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EP4352031A1 - Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane - Google Patents

Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane

Info

Publication number
EP4352031A1
EP4352031A1 EP22735011.3A EP22735011A EP4352031A1 EP 4352031 A1 EP4352031 A1 EP 4352031A1 EP 22735011 A EP22735011 A EP 22735011A EP 4352031 A1 EP4352031 A1 EP 4352031A1
Authority
EP
European Patent Office
Prior art keywords
trifluoroethane
weight
composition
chloro
azeotropic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22735011.3A
Other languages
German (de)
French (fr)
Inventor
Abdelatif BABA-AHMED
Alexandre CAMBRODON
Dominique Garrait
Thierry Lannuzel
Cédric LAVY
Laurent Wendlinger
Kevin HISLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arkema France SA
Original Assignee
Arkema France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arkema France SA filed Critical Arkema France SA
Publication of EP4352031A1 publication Critical patent/EP4352031A1/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C21/00—Acyclic unsaturated compounds containing halogen atoms
    • C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
    • C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine

Definitions

  • Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane
  • the present invention relates to azeotropic or quasi-azeotropic compositions comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane. These compositions can come from intermediate compositions during the production of the trifluoroethylene, and more particularly come from the recycling streams used during the production of the trifluoroethylene.
  • Fluorinated olefins such as VF 3
  • VF 3 Fluorinated olefins
  • a known way of preparing trifluoroethylene uses as starting materials chlorotrifluoroethylene (CTFE) and hydrogen in the presence of a catalyst and in the gas phase.
  • CTFE chlorotrifluoroethylene
  • WO 2013/128102 discloses a process for producing trifluoroethylene by hydrogenolysis of CTFE in the gas phase and in the presence of a catalyst based on a group VIII metal at atmospheric pressure and at low temperatures.
  • trifluoroethylene is accompanied by a multitude of by-products, some of which have a boiling point close to trifluoroethylene or close to chlorotrifluoroethylene. This involves the implementation of complex purification steps which can lead to the consequent loss in the product of interest. In addition, some of these by-products can form azeotropic compositions making separation difficult, if not impossible.
  • the present invention relates to surprisingly identified azeotropic or quasi-azeotropic compositions.
  • the present invention relates to an azeotropic or quasi-azeotropic composition
  • an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane or a mixture of the two; characterized in that it contains at least 50% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition has a boiling point of between ⁇ 40° C. and 40° C. at a pressure of between 0.5 bara and 8 bara.
  • said composition also comprises at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro -l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2 ,2-tetrafluoroethane.
  • the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro -l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoro
  • said composition contains at most 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition contains at most 50% by weight of 1,1-difluoroethane based on the total weight of said composition.
  • the present invention relates to an azeotropic or quasi-azeotropic composition
  • an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 1-chloro-1,1,2-trifluoroethane or a mixture of both.
  • said composition has a boiling point of between ⁇ 10° C. and 70° C. at a pressure of between 0.5 bara and 8 bara.
  • said composition contains between 35% and 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition contains at most 65% by weight of 2-chloro-1,1,1-trifluoroethane; or at most 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
  • FIG. 1 represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of CTFE for the binary CTFE/143 at a given pressure.
  • FIG. 2 represents the evolution of the bubble temperature and the dew point temperature as a function of the CTFE mass content for the CTFE/152a binary at a given pressure.
  • FIG. 3 represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 143 for the binary 143/133b at a given pressure.
  • FIG. 4 represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 143 for the binary 143/133a at a given pressure.
  • the present invention relates to azeotropic or quasi-azeotropic compositions.
  • the term "quasi-azeotropic" has a broad meaning and is intended to include compositions which are strictly azeotropic and those which behave as an azeotropic mixture.
  • a composition is azeotropic when the relative volatility between two compounds is equal to 1 or is between 0.99 and 1.01. In the present invention, it is considered that a composition is quasi-azeotropic when the relative volatility between two compounds is between 0.9 and 1.1.
  • composition comprising chlorotrifluoroethylene (CTFE)
  • the present invention provides an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene.
  • said azeotropic or quasi-azeotropic composition comprises at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane (143), 1,1-difluoroethane (152a) or a mixture of both.
  • the azeotropic or quasi-azeotropic composition may also comprise at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro- l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2, 2-tetrafluoroethane.
  • said composition may comprise: a) chlorotrifluoroethylene; b) at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane, or a mixture of the two; and c) optionally at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2- trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotopic composition may comprise chlorotrifluoroethylene, 1,1,2-trifluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane , 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1 ,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotropic composition may comprise chlorotrifluoroethylene, 1,1-difluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l, l,2- trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1, 1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotropic composition may comprise chlorotrifluoroethylene, 1,1,2-trifluoroethane, 1,1-difluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l- trifluoroethane, 2- chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said composition has a boiling point of between -40°C and 40°C, more preferably between -35°C and 25°C.
  • said composition has a boiling point of between -40°C and 40°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 25°C at a pressure of 1 bara to 6 bara.
  • said composition comprises at least 50% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition comprises at least 52% by weight, or at least 54% by weight, or at least 56% by weight, or at least 58% by weight, or at least 60% by weight, or at least 62% by weight, or at least 64% by weight, or at least 66% by weight, or at least 68% by weight, or at least 70% by weight, or at least 72% by weight, or at least 74% by weight , or at least 76% by weight, or at least 78% by weight, or at least 80% by weight, or at least 82% by weight, or at least 84% by weight, or at least 86% by weight, or at least 88% by weight, or at least 90% by weight, or at least 92% by weight, or at least 94% by weight, or at least 96% by weight, or at least 98% by weight, or at least 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition comprises at most 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises at most 18% by weight, or at most 16% by weight, or at most 14% by weight, or at most 12% by weight, or at most 10% by weight, or at most 8% by weight, or at most 6% by weight, or at most 4% by weight, or at most 2% by weight, or at most 0.01% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises at most 50% by weight of
  • said composition comprises at most 48% by weight, or at most 46% by weight, or at most 44% by weight, or at most 42% by weight, or at most 40% by weight, or at most 38% by weight or at most 36% by weight, or at most 34% by weight, or at most 32% by weight, or at most 30% by weight, or at most 28% by weight, or at most 26% by weight of 1,1-difluoroethane based on the total weight of said composition.
  • composition according to the present invention may comprise at least one of the additional compounds selected from the group consisting of 2-chloro-
  • composition may comprise at least two, or at least three, or at least four, or at least five, or at least six, or at least seven, or at least eight, or at least nine, or at least ten , or all of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1, 2, 2-tetrafluoroethane.
  • said composition contains less than 10% by weight of said additional compounds based on the total weight of said composition.
  • said composition contains less than 8% by weight, or less than 6% by weight, or less than 4% by weight, or less than 2% by weight, or less than 1% by weight, or less than 0, 5% by weight, or less than 0.1% by weight, or less than 0.05% by weight, or less than 0.01% by weight of said additional compounds based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises chlorotrifluoroethylene and 1,1,2-trifluoroethane.
  • said composition comprises from 80% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition comprises from 85% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition comprises from 90% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said composition comprises from 0.01% to 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 15% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 10% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition has a boiling point of between -40°C and 40°C, more preferably between -35°C and 25°C.
  • said composition has a boiling point of between -40°C and 40°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 25°C at a pressure of 1 bara to 6 bara.
  • said azeotropic or quasi-azeotropic composition may comprise from 80% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition ; and has a boiling point between -40°C and 40°C at a pressure between 0.5 bara and 8 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 85% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 15% by weight of 1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 40°C at a pressure between 0.5 bara and 8 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 90% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 10% by weight of 1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point between -30°C and 25°C at a pressure between 1 bara and 6 bara.
  • said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 90% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 10% by weight of 1,1,2-trifluoroethane on based on the total weight of said composition, and has a boiling point of between 20°C and 25°C at a pressure of 6 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 8% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between 12°C and 17°C at a pressure of 5 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 8% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between 5°C and 10°C at a pressure of 4 bara; from 94% to 99.99% by weight of chlorotrifluoroethylene and from 0.01
  • said composition may also comprise 1,1-difluoroethane or additional compounds as defined above in the present application.
  • said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said selected additional compounds from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1 ,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane.
  • said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 90% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 10% by weight of 1,1,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2- trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1, 1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between 20°C and 25°C at a pressure of 6 bara; from 92% to 99.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 92% to 93% by weight of chlorotrifluoroethylene and from 7% to 8% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 21°C to 22°C at a pressure of 6 bara.
  • said azeotropic composition comprises, more preferably consists of, from 92% to 93% by weight of chlorotrifluoroethylene and from 7% to 8% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1 ,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 21°C to 22°C at a pressure of 6 bara
  • said azeotropic composition consists of 92.5% by weight of chlorotrifluoroethylene and 7.5% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 21.3°C at a pressure of 6 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 93% to 94% by weight of chlorotrifluoroethylene and from 6% to 7% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 15°C to 16°C at a pressure of 5 bara.
  • said azeotropic composition comprises, more preferably consists of, from 93% to 94% by weight of chlorotrifluoroethylene and from 6% to 7% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 15°C to 16°C at a pressure of 5 bara.
  • said azeotropic composition consists of 93.4% by weight of chlorotrifluoroethylene and 6.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 15.2°C at a pressure of 5 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 94% to 95% by weight of chlorotrifluoroethylene and from 5% to 6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 8°C to 9°C at a pressure of 4 bara.
  • said azeotropic composition comprises, more preferably consists of, from 94% to 95% by weight of chlorotrifluoroethylene and from 5% to 6% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 8°C to 9°C at a pressure of 4 bara.
  • said azeotropic composition consists of 94.4% by weight of chlorotrifluoroethylene and 5.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 8.1°C at a pressure of 4 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 95% to 96% by weight of chlorotrifluoroethylene and from 4% to 5% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -1°C to 0°C at a pressure of 3 bara.
  • said azeotropic composition comprises, more preferably consists of, from 95% to 96% by weight of chlorotrifluoroethylene and from 4% to 5% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane,
  • said azeotropic composition consists of 95.7% by weight of chlorotrifluoroethylene and 4.3% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -0.5°C at a pressure of 3 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 97% to 98% by weight of chlorotrifluoroethylene and from 2% to 3% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -12°C to -11°C at a pressure of 2 bara.
  • said azeotropic composition comprises, more preferably consists of, from 97% to 98% by weight of chlorotrifluoroethylene and from 3% to 4% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane,
  • said azeotropic composition consists of 97.4% by weight of chlorotrifluoroethylene and 2.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -11.7°C at a pressure of 2 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 99.5% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 0.5% by weight of 1.1 ,2-trifluoroethane; said composition having a boiling point of -28°C to -29°C at a pressure of 1.013 bara.
  • said azeotropic composition comprises, more preferably consists of, from 99.5% to 99.9% by weight of chlorotrifluoroethylene and from 0.01% to 0.5% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane , trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1, 1,2,2-tetrafluoroethane and 1,1 -difluoroethane based on the total weight of said composition; said composition having a boiling point of -28°C to -29°C at a pressure of 1.013 bara.
  • said azeotropic composition consists of 99.98% by weight of chlorotrifluoroethylene and 0.02% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -28.4°C at a pressure of 1.013 bara.
  • the [Fig. 1] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of chlorotrifluoroethylene for the binary chlorotrifluoroethylene/l,l,2-trifluoroethane at a pressure of 1 to 6 bara.
  • said azeotropic or quasi-azeotropic composition comprises chlorotrifluoroethylene and 1,1-difluoroethane.
  • said azeotropic or quasi-azeotropic composition comprises from 60% to 80% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 63% to 77% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 66% to 74% by weight of chlorotrifluoroethylene based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 20% to 40% by weight of 1,1-difluoroethane based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 23% to 37% by weight of 1,1-difluoroethane based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 26% to 34% by weight of 1,1-difluoroethane based on the total weight of said composition.
  • said composition has a boiling point of between -40°C and 30°C, more preferably between -35°C and 16°C.
  • said composition has a boiling point of between -40°C and 30°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 16°C at a pressure of 1 bara to 6 bara.
  • said azeotropic or quasi-azeotropic composition may comprise from 60% to 80% by weight of chlorotrifluoroethylene and from 20 to 40% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 30°C at a pressure between 0.5 bara and 8 bara.
  • said azeotropic or quasi-azeotropic composition may comprise from 63% to 77% by weight of chlorotrifluoroethylene and from 23 to 37% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 30°C at a pressure between 0.5 bara and 8 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -35°C and 16°C at a pressure between 1 bara and 6 bara.
  • said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane based on the total weight of said composition, and has a boiling point between 14°C and 17°C at a pressure of 6 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between 7°C and 11°C at a pressure of 5 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between 0°C and 4°C at a pressure of 4 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has has a boiling
  • composition may also comprise
  • composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of 2-chloro-1, l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, 1-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and
  • said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on total weight of said composition; said composition having a boiling point of between 14°C and 17°C at a pressure of 6 bara; from 66% to 74% by weight of
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 69% to 70% by weight of chlorotrifluoroethylene and from 30% to 31% by weight of 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of -35°C to 16°C at a pressure of 1 to 6 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 69% to 70% by weight of chlorotrifluoroethylene, from 30% to 31% by weight of 1,1-difluoroethane and optionally the balance of at least least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF , HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of -35°C to 16°C at a pressure of 1 to 6
  • said azeotropic composition consists of 69.1% by weight of chlorotrifluoroethylene and 30.9% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 15.3°C. at 6 bar.
  • said azeotropic composition consists of 69.2% by weight of chlorotrifluoroethylene and 30.8% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 9.2°C. at 5 bar.
  • said azeotropic composition consists of 69.3% by weight of chlorotrifluoroethylene and 30.7% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 2.2°C. at 4 bar.
  • said azeotropic composition consists of 69.4% by weight of chlorotrifluoroethylene and 30.6% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -6.2° C at 3 bar.
  • said azeotropic composition consists of 69.5% by weight of chlorotrifluoroethylene and 30.5% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -17.2° C at 2 bar.
  • said azeotropic composition consists of 69.7% by weight of chlorotrifluoroethylene and 30.3% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -33.7° C at 1 bar.
  • the [Fig. 2] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of chlorotrifluoroethylene for the binary chlorotrifluoroethylene/l,l-difluoroethane at a pressure of 1 to 6 bara.
  • the present invention relates to an azeotropic or quasi-azeotropic composition
  • an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane.
  • said composition comprises at least one of the compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane (133a) and 1-chloro-1,1,2-trifluoroethane (133b) or a mixture of the two.
  • said composition may also comprise at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotropic composition may comprise: a) 1,1,2-trifluoroethane; b) at least one of compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane (133a) and 1-chloro-1,1,2-trifluoroethane (133b) or a mixture of both; and c) optionally at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotropic composition may comprise 1,1,2-trifluoroethane, 2-chloro-l,l,l-trifluoroethane and optionally at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1 ,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • said azeotropic or quasi-azeotropic composition may comprise
  • said azeotropic or quasi-azeotropic composition may comprise
  • said azeotropic or quasi-azeotropic composition has a boiling point of between -10°C and 70°C.
  • said azeotropic or quasi-azeotropic composition has a boiling point of between ⁇ 10° C. and 70° C. at a pressure of between 0.5 bara and 8 bara.
  • said azeotropic or quasi-azeotropic composition has a boiling point of between 0° C. and 65° C. at a pressure of 1 to 6 bara.
  • said composition comprises at least 30% by weight, advantageously at least 32% by weight, preferably at least 34% by weight, in particular at least 36% by weight, more particularly at least 38% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises at most 46% by weight, advantageously at most 44% by weight, preferably at most 42% by weight, in particular at most 40% by weight, more particularly at most 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises at most 66% by weight, advantageously at most 65% by weight, preferably at most 64% by weight, in particular at most 63% by weight, more particularly at most 62% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
  • composition according to the present invention may comprise at least one of the additional compounds selected from the group consisting of 2-chloro-
  • 1.1.2-trifluoroethane chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1.1.2.2-tetrafluoroethane.
  • said composition may comprise at least two, or at least three, or at least four, or at least five, or at least six, or at least seven, or at least eight, or at least nine, or at least ten, or at least eleven, or all of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1- difluoroethane,
  • said composition contains less than 10% by weight of said additional compounds based on the total weight of the composition.
  • said composition less than 8% by weight, or less than 6% by weight, or less than 4% by weight, or less than 2% by weight, or less than 1% by weight, or less than 0.5 % by weight, or less than 0.1% by weight, or less than 0.05% by weight, or less than 0.01% by weight of said additional compounds based on the total weight of the composition.
  • said azeotropic or quasi-azeotropic composition comprises 1,1,2-trifluoroethane and 1-chloro-1,1,2-trifluoroethane.
  • said composition comprises from 55% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 60% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 62% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 45% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 40% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition has a boiling point of between 0°C and 40°C, more preferably between 0°C and 35°C.
  • said composition has a boiling point of between 0° C. and 40° C. at a pressure of 1 bara to 3 bara. More particularly, said composition has a boiling point of between 0° C. and 35° C. at a pressure of 1 bara to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 60 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 40% by weight of l-chloro-1,1,2- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 40°C at a pressure of 1 to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 62 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 38% by weight of l-chloro-l,l,2- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 35°C at a pressure of 1 to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises, preferably consisting of: from 62% to 84% by weight of 1,1,2-trifluoroethane and from 16% to 38% by weight of 1-chloro-1 ,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 2°C to 6°C at a pressure of 1 bara; from 62% to 84% by weight of 1,1,2-trifluoroethane and from 16% to 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 2°C to 6°C at a pressure of 1.013 bara; from 74% to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 26% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 20°C to 24°C at
  • said composition may also comprise 2-chloro-1,1,1-trifluoroethane or additional compounds as defined above according to the second aspect of the present invention.
  • said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of 2-chloro-1, l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
  • Said azeotropic or quasi-azeotropic composition may also comprise, preferably consist of: from 62% to 84% by weight of 1,1,2-trifluoroethane, from 16% to 38% by weight of 1-chloro-1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl,
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 71% to 72% by weight of 1,1,2-trifluoroethane and from 28% to 29% by weight of l-chloro-1 ,1,2-trifluoroethane based on the total weight of said composition; and having a boiling point of 3°C to 4°C at a pressure of 1 bara or a boiling point of 4°C to 5°C at a pressure of 1.013 bara.
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 71% to 72% by weight of 1,1,2-trifluoroethane, from 28% to 29% by weight of l-chloro-1 ,l,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2- tetrafluoroethane based on the total weight of said composition; and having a boiling point of 3°C to 4°C at a pressure
  • said azeotropic composition consists of 71.6% of 1,1,2-trifluoroethane and 28.4% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition ; and has a boiling point of 3.9°C at a pressure of 1 bara. More particularly preferred, said azeotropic composition consists of 71.8% of 1,1,2-trifluoroethane and 28.2% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition ; and has a boiling point of 4.2°C at a pressure of 1.013 bara.
  • the present invention also provides azeotropic compositions comprising, preferably consisting of, from 88.5% to 89.5% by weight of 1,1,2-trifluoroethane and from 10.5% to 11.5 % by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 23°C at a pressure of 2 bara.
  • the present invention also provides azeotropic compositions comprising, preferably consisting of, from 88.5% to 89.5% by weight of 1,1,2-trifluoroethane, from 10.5% to 11.5 % by weight of 1-chloro-1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1, l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 23°C at a pressure of
  • said azeotropic composition consists of 88.8% by weight of 1,1,2-trifluoroethane and 10.2% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 21.8°C at a pressure of 2 bara.
  • the [Fig. 3] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 1,1,2-trifluoroethane for the binary 1,1,2-trifluoroethane/l-chloro-l,l, 2-trifluoroethane at a pressure of 1 to 6 bara.
  • said azeotropic or quasi-azeotropic composition comprises 1,1,2-trifluoroethane and 2-chloro-l,l,l-trifluoroethane.
  • said composition comprises from 30% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 35% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 38% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 70% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 65% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
  • said composition comprises from 0.01% to 62% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
  • said composition has a boiling point of between 0°C and 40°C, more preferably between 0°C and 35°C.
  • said composition has a boiling point of between 0° C. and 40° C. at a pressure of 1 bara to 3 bara. More particularly, said composition has a boiling point of between 0° C. and 35° C. at a pressure of 1 bara to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 35 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 65% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 35 to 99.99% by weight of 1,1,2- trifluoroethane and from 0.01% to 65% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 40°C at a pressure of 1 to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises from 38 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 62% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition.
  • said azeotropic or quasi-azeotropic composition comprises from 38 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 62% by weight of 2-chloro-l,l,l- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 35°C at a pressure of 1 to 3 bara.
  • said azeotropic or quasi-azeotropic composition comprises, preferably consisting of: from 38 to 66% by weight of 1,1,2-trifluoroethane and from 34% to 62% by weight of 2-chloro-
  • 1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 0°C to 5°C at a pressure of 1 bara; from 38 to 66% by weight of 1,1,2-trifluoroethane and from 34% to 62% by weight of 2-chloro-
  • 1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 0°C to 5°C at a pressure of 1.013 bara; from 50% to 94% by weight of 1,1,2-trifluoroethane and from 6% to 50% by weight of 2-chloro-
  • 1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 18°C to 23°C at a pressure of 2 bara; from 72% to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 28% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 31°C to 35°C at a pressure of 3 bara.
  • said composition may also comprise 1-chloro-1,1,2-trifluoroethane or additional compounds as defined above according to the second aspect of the present invention.
  • said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of l-chloro-1, 1,2- trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane,
  • Said azeotropic or quasi-azeotropic composition may also comprise, preferably consist of: from 38 to 66% by weight of 1,1,2-trifluoroethane, from 34% to 62% by weight of 2-chloro-l,l, l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCI,
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 50.5% to 51.5% by weight of 1,1,2-trifluoroethane and 48.5% to 49.5% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1 bara.
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 50.5% to 51.5% by weight of 1,1,2-trifluoroethane, from 48.5% to 49.5% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l ,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane,
  • said azeotropic composition consists of 50.9% by weight of 1,1,2-trifluoroethane and 49.1% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 2.7°C at a pressure of 1 bara.
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 51% to 52% by weight of 1,1,2-trifluoroethane and 48% to 49% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1.013 bara.
  • the present invention provides azeotropic compositions comprising, preferably consisting of, from 51% to 52% by weight of 1,1,2-trifluoroethane, from 48% to 49% by weight of 2-chloro-1 ,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene , HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane,
  • said azeotropic composition consists of 51.2% by weight of 1,1,2-trifluoroethane and 48.8% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 3.1°C at a pressure of 1.013 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 72.5% to 73.5% by weight of 1,1,2-trifluoroethane and from 26.5% to 27.5% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 22°C at a pressure of 2 bara.
  • the present invention provides an azeotropic composition
  • an azeotropic composition comprising, preferably consisting of, from 72.5% to 73.5% by weight of 1,1,2-trifluoroethane, from 26.5% to 27.5% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l ,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1 , 1,2,2-tetrafluoroethane based on the total weight of said composition; and having a boiling point of 21°
  • said azeotropic composition consists of 73% by weight of 1,1,2-trifluoroethane and 27% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 21.5°C at a pressure of 2 bara.
  • the [Fig. 4] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 1,1,2-trifluoroethane for the binary l,l,2-trifluoroethane/2-chloro-l,l, l-trifluoroethane at a pressure of 1 to 6 bara.
  • said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane and from 99.94% to 99.99% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
  • said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane and from 99.94% to 99.99% by weight of 2 -chloro-
  • said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane, from 99.94% to 99.99% by weight of 2 -chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 1-chloro-
  • said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane, from 99.94% to 99.99% by weight of 2 - chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane , chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2 ,2-tetrafluoroethane based on the total weight of said composition; and has a boiling point of 63.5°C to 64°C at a pressure

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Abstract

The present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane or a mixture of the two. The present invention also relates to an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 1-chloro-1,1,2-trifluoroethane or a mixture of the two.

Description

Composition azéotropique ou quasi-azéotropique comprenant chlorotrifluoroéthylène et/ou 1,1,2-trifluoroéthane Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane
Domaine technique de l'invention La présente invention concerne des compositions azéotropiques ou quasi-azéotropiques comprenant chlorotrifluoroéthylène et/ou 1,1,2-trifluoroéthane. Ces compositions peuvent provenir des compositions intermédiaires au cours de la production du trifluoroéthylène, et plus particulièrement provenir des flux de recyclage mis en oeuvre au cours de la production du trifluoroéthylène. Technical field of the invention The present invention relates to azeotropic or quasi-azeotropic compositions comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane. These compositions can come from intermediate compositions during the production of the trifluoroethylene, and more particularly come from the recycling streams used during the production of the trifluoroethylene.
Arrière-plan technologique de l'invention Technological background of the invention
Les oléfines fluorées, comme le VF3, sont connues et sont utilisées comme monomères ou co monomères pour la fabrication de polymères fluorocarbonés présentant des caractéristiques remarquables, en particulier une excellente tenue chimique et une bonne résistance thermique. Une voie connue de préparation du trifluoroéthylène utilise comme produits de départ le chlorotrifluoroéthylène (CTFE) et l'hydrogène en présence d'un catalyseur et en phase gazeuse. On connaît notamment par WO 2013/128102 un procédé de production du trifluoroéthylène par hydrogénolyse du CTFE en phase gazeuse et en présence d'un catalyseur à base d'un métal du groupe VIII à pression atmosphérique et à des températures peu élevées. La production du trifluoroéthylène s'accompagne d'une multitude de sous-produits ayant, pour certains, un point d'ébullition proche du trifluoroéthylène ou proche du chlorotrifluoroéthylène. Ceci implique la mise en oeuvre d'étapes de purification complexes qui peuvent entraîner la perte conséquence dans le produit d'intérêt. De plus, certains de ces sous-produits peuvent former des compositions azéotropiques rendant la séparation difficile, voire impossible. Fluorinated olefins, such as VF 3 , are known and are used as monomers or co-monomers for the manufacture of fluorocarbon polymers having remarkable characteristics, in particular excellent chemical resistance and good heat resistance. A known way of preparing trifluoroethylene uses as starting materials chlorotrifluoroethylene (CTFE) and hydrogen in the presence of a catalyst and in the gas phase. In particular, WO 2013/128102 discloses a process for producing trifluoroethylene by hydrogenolysis of CTFE in the gas phase and in the presence of a catalyst based on a group VIII metal at atmospheric pressure and at low temperatures. The production of trifluoroethylene is accompanied by a multitude of by-products, some of which have a boiling point close to trifluoroethylene or close to chlorotrifluoroethylene. This involves the implementation of complex purification steps which can lead to the consequent loss in the product of interest. In addition, some of these by-products can form azeotropic compositions making separation difficult, if not impossible.
Résumé de l'invention Summary of the invention
La présente invention concerne des compositions azéotropiques ou quasi-azéotropiques identifiées de manière surprenante. The present invention relates to surprisingly identified azeotropic or quasi-azeotropic compositions.
En particulier, selon un premier aspect, la présente invention concerne une composition azéotropique ou quasi-azéotropique comprenant du chlorotrifluoroéthylène et au moins l'un des composés sélectionnés parmi le groupe consistant en 1,1,2-trifluoroéthane, 1,1- difluoroéthane ou un mélange des deux ; caractérisé en ce qu'elle contient au moins 50% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. Selon un mode de réalisation préféré, ladite composition a un point d'ébullition compris entre - 40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. In particular, according to a first aspect, the present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane or a mixture of the two; characterized in that it contains at least 50% by weight of chlorotrifluoroethylene based on the total weight of said composition. According to a preferred embodiment, said composition has a boiling point of between −40° C. and 40° C. at a pressure of between 0.5 bara and 8 bara.
Selon un mode de réalisation préféré, ladite composition comprend également au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane. According to a preferred embodiment, said composition also comprises at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro -l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2 ,2-tetrafluoroethane.
Selon un mode de réalisation préféré, ladite composition contient au plus 20% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. According to a preferred embodiment, said composition contains at most 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Selon un mode de réalisation préféré, ladite composition contient au plus 50% en poids de 1,1- difluoroéthane sur base du poids total de ladite composition. According to a preferred embodiment, said composition contains at most 50% by weight of 1,1-difluoroethane based on the total weight of said composition.
Selon un second aspect, la présente invention concerne une composition azéotropique ou quasi- azéotropique comprenant 1,1,2-trifluoroéthane et au moins l'un des composés sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane ou un mélange des deux. According to a second aspect, the present invention relates to an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 1-chloro-1,1,2-trifluoroethane or a mixture of both.
Selon un mode de réalisation préféré, ladite composition a un point d'ébullition compris entre - 10°C et 70°C à une pression comprise entre 0,5 bara et 8 bara. According to a preferred embodiment, said composition has a boiling point of between −10° C. and 70° C. at a pressure of between 0.5 bara and 8 bara.
Selon un mode de réalisation préféré, ladite composition contient entre 35% et 99,99% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. According to a preferred embodiment, said composition contains between 35% and 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Selon un mode de réalisation préféré, ladite composition contient au plus 65% en poids de 2- chloro-l,l,l-trifluoroéthane ; ou au plus 38% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition. According to a preferred embodiment, said composition contains at most 65% by weight of 2-chloro-1,1,1-trifluoroethane; or at most 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
Brève description des figures Brief description of figures
[Fig. 1] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en CTFE pour le binaire CTFE/143 à une pression donnée.[Fig. 1] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of CTFE for the binary CTFE/143 at a given pressure.
[Fig. 2] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en CTFE pour le binaire CTFE/152a à une pression donnée.[Fig. 2] represents the evolution of the bubble temperature and the dew point temperature as a function of the CTFE mass content for the CTFE/152a binary at a given pressure.
[Fig. 3] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en 143 pour le binaire 143/133b à une pression donnée. [Fig. 3] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 143 for the binary 143/133b at a given pressure.
[Fig. 4] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en 143 pour le binaire 143/133a à une pression donnée. Description détaillée de l'invention [Fig. 4] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 143 for the binary 143/133a at a given pressure. Detailed description of the invention
La présente invention concerne des compositions azéotropiques ou quasi-azéotropiques. L'expression « quasi-azéotropique » a un sens large et est destinée à inclure les compositions qui sont strictement azéotropiques et celles qui se comportent comme un mélange azéotropique. The present invention relates to azeotropic or quasi-azeotropic compositions. The term "quasi-azeotropic" has a broad meaning and is intended to include compositions which are strictly azeotropic and those which behave as an azeotropic mixture.
La volatilité d'un composé A est représentée par le rapport de la fraction molaire en phase gazeuse (yA) sur la fraction molaire en phase liquide (xA) dans des conditions d'équilibre (à l'équilibre pression et température) : a = yA / xA. La volatilité d'un composé B est représentée par le rapport de la fraction molaire en phase gazeuse (yB) sur la fraction molaire en phase liquide (xB) dans des conditions d'équilibre (à l'équilibre pression et température) : a = yB / xB. La volatilité relative permet de mesurer la facilité de séparation de deux composés A et B. Elle est le rapport des volatilités des 2 composés : OCA,B = yA xB/ xAyB. Plus la volatilité est élevée et plus le mélange est facilement séparable. The volatility of a compound A is represented by the ratio of the molar fraction in the gas phase (y A ) to the molar fraction in the liquid phase (x A ) under equilibrium conditions (at equilibrium pressure and temperature): a = yA / xA . The volatility of a compound B is represented by the ratio of the molar fraction in the gas phase (y B ) to the molar fraction in the liquid phase (x B ) under equilibrium conditions (at equilibrium pressure and temperature): a = yB / xB . The relative volatility makes it possible to measure the ease of separation of two compounds A and B. It is the ratio of the volatilities of the 2 compounds: OCA,B = y A x B / x A y B . The higher the volatility, the easier the mixture is to separate.
Dans la présente invention, on considère qu'une composition est azéotropique lorsque la volatilité relative entre deux composés est égale à 1 ou est comprise entre 0,99 et 1,01. Dans la présente invention, on considère qu'une composition est quasi-azéotropique lorsque la volatilité relative entre deux composés est comprise entre 0,9 et 1,1. In the present invention, it is considered that a composition is azeotropic when the relative volatility between two compounds is equal to 1 or is between 0.99 and 1.01. In the present invention, it is considered that a composition is quasi-azeotropic when the relative volatility between two compounds is between 0.9 and 1.1.
Il a été découvert de manière surprenante la formation de compositions azéotropiques ou quasi- azéotropiques au cours du procédé de production du trifluoroéthylène. La présence de ces compositions a un impact sur le procédé global, notamment lors des étapes de purification et de recyclage. It was surprisingly discovered the formation of azeotropic or quasi-azeotropic compositions during the production process of trifluoroethylene. The presence of these compositions has an impact on the overall process, in particular during the purification and recycling stages.
A) Composition comprenant du chlorotrifluoroéthylène (CTFE) A) Composition comprising chlorotrifluoroethylene (CTFE)
Selon un premier aspect, la présente invention fournit une composition azéotropique ou quasi- azéotropique comprenant du chlorotrifluoroéthylène. De préférence, ladite composition azéotropique ou quasi-azéotropique comprend au moins l'un des composés sélectionnés parmi le groupe consistant en 1,1,2-trifluoroéthane (143), 1,1-difluoroéthane (152a) ou un mélange des deux. According to a first aspect, the present invention provides an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene. Preferably, said azeotropic or quasi-azeotropic composition comprises at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane (143), 1,1-difluoroethane (152a) or a mixture of both.
La composition azéotropique ou quasi-azéotropique peut également comprendre au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane. Ainsi, ladite composition peut comprendre : a) chlorotrifluoroéthylène ; b) au moins l'un des composés sélectionnés parmi le groupe consistant en 1,1,2- trifluoroéthane, 1,1-difluoroéthane, ou un mélange des deux ; et c) optionnellement au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, 1-chloro- 1,1,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1, 1,2,2- tétrafluoroéthane. Selon un mode de réalisation préféré, ladite composition azéotropique ou quasi-azéotopique peut comprendre du chlorotrifluoroéthylène, 1,1,2-trifluoroéthane et au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane. The azeotropic or quasi-azeotropic composition may also comprise at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro- l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2, 2-tetrafluoroethane. Thus, said composition may comprise: a) chlorotrifluoroethylene; b) at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane, or a mixture of the two; and c) optionally at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2- trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane. According to a preferred embodiment, said azeotropic or quasi-azeotopic composition may comprise chlorotrifluoroethylene, 1,1,2-trifluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane , 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1 ,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Alternativement, ladite composition azéotropique ou quasi-azéotropique peut comprendre du chlorotrifluoroéthylène, 1,1-difluoroéthane et au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2- trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2- tétrafluoroéthane. Alternatively, said azeotropic or quasi-azeotropic composition may comprise chlorotrifluoroethylene, 1,1-difluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l, l,2- trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1, 1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Alternativement, ladite composition azéotropique ou quasi-azéotropique peut comprendre du chlorotrifluoroéthylène, 1,1,2-trifluoroéthane, 1,1-difluoroéthane et au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2- chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2- tétrafluoroéthane. Alternatively, said azeotropic or quasi-azeotropic composition may comprise chlorotrifluoroethylene, 1,1,2-trifluoroethane, 1,1-difluoroethane and at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l- trifluoroethane, 2- chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
De préférence, ladite composition a un point d'ébullition compris entre -40°C et 40°C, plus préférentiellement entre -35°C et 25°C. En particulier, ladite composition a un point d'ébullition compris entre -40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. Plus particulièrement, ladite composition a un point d'ébullition compris entre -35°C et 25°C à une pression comprise de 1 bara à 6 bara. Selon un mode de réalisation préféré, ladite composition comprend au moins 50% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. De préférence, ladite composition comprend au moins 52% en poids, ou au moins 54% en poids, ou au moins 56% en poids, ou au moins 58% en poids, ou au moins 60 % en poids, ou au moins 62% en poids, ou au moins 64% en poids, ou au moins 66% en poids, ou au moins 68% en poids, ou au moins 70% en poids, ou au moins 72% en poids, ou au moins 74% en poids, ou au moins 76% en poids, ou au moins 78% en poids, ou au moins 80% en poids, ou au moins 82% en poids, ou au moins 84% en poids, ou au moins 86% en poids, ou au moins 88% en poids, ou au moins 90% en poids, ou au moins 92% en poids, ou au moins 94% en poids, ou au moins 96% en poids, ou au moins 98% en poids, ou au moins 99,99% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. Preferably, said composition has a boiling point of between -40°C and 40°C, more preferably between -35°C and 25°C. In particular, said composition has a boiling point of between -40°C and 40°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 25°C at a pressure of 1 bara to 6 bara. According to a preferred embodiment, said composition comprises at least 50% by weight of chlorotrifluoroethylene based on the total weight of said composition. Preferably, said composition comprises at least 52% by weight, or at least 54% by weight, or at least 56% by weight, or at least 58% by weight, or at least 60% by weight, or at least 62% by weight, or at least 64% by weight, or at least 66% by weight, or at least 68% by weight, or at least 70% by weight, or at least 72% by weight, or at least 74% by weight , or at least 76% by weight, or at least 78% by weight, or at least 80% by weight, or at least 82% by weight, or at least 84% by weight, or at least 86% by weight, or at least 88% by weight, or at least 90% by weight, or at least 92% by weight, or at least 94% by weight, or at least 96% by weight, or at least 98% by weight, or at least 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition.
Selon un mode de réalisation préféré, ladite composition comprend au plus 20% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend au plus 18% en poids, ou au plus 16% en poids, ou au plus 14% en poids, ou au plus 12% en poids, ou au plus 10% en poids, ou au plus 8% en poids, ou au plus 6% en poids, ou au plus 4% en poids, ou au plus 2% en poids, ou au plus 0,01% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. According to a preferred embodiment, said composition comprises at most 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises at most 18% by weight, or at most 16% by weight, or at most 14% by weight, or at most 12% by weight, or at most 10% by weight, or at most 8% by weight, or at most 6% by weight, or at most 4% by weight, or at most 2% by weight, or at most 0.01% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Selon un mode de réalisation préféré, ladite composition comprend au plus 50% en poids deAccording to a preferred embodiment, said composition comprises at most 50% by weight of
1.1-difluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend au plus 48% en poids, ou au plus 46% en poids, ou au plus 44% en poids, ou au plus 42% en poids, ou au plus 40% en poids, ou au plus 38% en poids ou au plus 36% en poids, ou au plus 34% en poids, ou au plus 32% en poids, ou au plus 30% en poids, ou au plus 28% en poids, ou au plus 26% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition. 1.1-difluoroethane based on the total weight of said composition. Preferably, said composition comprises at most 48% by weight, or at most 46% by weight, or at most 44% by weight, or at most 42% by weight, or at most 40% by weight, or at most 38% by weight or at most 36% by weight, or at most 34% by weight, or at most 32% by weight, or at most 30% by weight, or at most 28% by weight, or at most 26% by weight of 1,1-difluoroethane based on the total weight of said composition.
Comme mentionné ci-dessus, ladite composition selon la présente invention peut comprendre au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-As mentioned above, said composition according to the present invention may comprise at least one of the additional compounds selected from the group consisting of 2-chloro-
1.1.1-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane,1.1.1-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane,
1.1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane. Ainsi, ladite composition peut comprendre, au moins deux, ou au moins trois, ou au moins quatre, ou au moins cinq, ou au moins six, ou au moins sept, ou au moins huit, ou au moins neuf, ou au moins dix, ou l'ensemble des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2- chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1, 2, 2- tétrafluoroéthane. 1.1-difluoroethylene, 1,1,2,2-tetrafluoroethane. Thus, said composition may comprise at least two, or at least three, or at least four, or at least five, or at least six, or at least seven, or at least eight, or at least nine, or at least ten , or all of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1, 2, 2-tetrafluoroethane.
Selon un mode de réalisation préféré, ladite composition contient moins de 10% en poids desdits composés additionnels sur base du poids total de ladite composition. De préférence, ladite composition contient moins de 8% en poids, ou moins de 6% en poids, ou moins de 4% en poids, ou moins de 2% en poids, ou moins de 1% en poids, ou moins de 0,5% en poids, ou moins de 0,1% en poids, ou moins de 0,05% en poids, ou moins de 0,01% en poids desdits composés additionnels sur base du poids total de ladite composition. According to a preferred embodiment, said composition contains less than 10% by weight of said additional compounds based on the total weight of said composition. Preferably, said composition contains less than 8% by weight, or less than 6% by weight, or less than 4% by weight, or less than 2% by weight, or less than 1% by weight, or less than 0, 5% by weight, or less than 0.1% by weight, or less than 0.05% by weight, or less than 0.01% by weight of said additional compounds based on the total weight of said composition.
A-i) Composition à base de CTFE et 143 A-i) Composition based on CTFE and 143
Selon un mode de réalisation particulier du premier aspect de la présente invention, ladite composition azéotropique ou quasi-azéotropique comprend du chlorotrifluoroéthylène et du 1,1,2-trifluoroéthane. According to a particular embodiment of the first aspect of the present invention, said azeotropic or quasi-azeotropic composition comprises chlorotrifluoroethylene and 1,1,2-trifluoroethane.
Avantageusement, ladite composition comprend de 80% à 99,99% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. De préférence, ladite composition comprend de 85% à 99,99% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. En particulier, ladite composition comprend de 90% à 99,99% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. Avantageusement, ladite composition comprend de 0,01% à 20% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend de 0,01% à 15% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition comprend de 0,01% à 10% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. Advantageously, said composition comprises from 80% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition. Preferably, said composition comprises from 85% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition. In particular, said composition comprises from 90% to 99.99% by weight of chlorotrifluoroethylene based on the total weight of said composition. Advantageously, said composition comprises from 0.01% to 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises from 0.01% to 15% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. In particular, said composition comprises from 0.01% to 10% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
De préférence, ladite composition a un point d'ébullition compris entre -40°C et 40°C, plus préférentiellement entre -35°C et 25°C. En particulier, ladite composition a un point d'ébullition compris entre -40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. Plus particulièrement, ladite composition a un point d'ébullition compris entre -35°C et 25°C à une pression comprise de 1 bara à 6 bara. Preferably, said composition has a boiling point of between -40°C and 40°C, more preferably between -35°C and 25°C. In particular, said composition has a boiling point of between -40°C and 40°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 25°C at a pressure of 1 bara to 6 bara.
Ainsi, ladite composition azéotropique ou quasi-azéotropique peut comprendre de 80% à 99,99% en poids de chlorotrifluoroéthylène et de de 0,01% à 20% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. Avantageusement, ladite composition azéotropique ou quasi-azéotropique comprend de 85% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01% à 15% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. Plus particulièrement, ladite composition azéotropique ou quasi-azéotropique comprend de 90% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 10% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -30°C et 25°C à une pression comprise de 1 bara à 6 bara.Thus, said azeotropic or quasi-azeotropic composition may comprise from 80% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition ; and has a boiling point between -40°C and 40°C at a pressure between 0.5 bara and 8 bara. Advantageously, said azeotropic or quasi-azeotropic composition comprises from 85% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 15% by weight of 1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 40°C at a pressure between 0.5 bara and 8 bara. More particularly, said azeotropic or quasi-azeotropic composition comprises from 90% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 10% by weight of 1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point between -30°C and 25°C at a pressure between 1 bara and 6 bara.
De manière privilégiée, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consiste en, : de 90% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 10% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition, et a un point d'ébullition compris entre 20°C et 25°C à une pression de 6 bara ; de 92% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 8% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre 12°C et 17°C à une pression de 5 bara ; de 92% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 8% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre 5°C et 10°C à une pression de 4 bara ; de 94% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 6% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre -3°C et 2°C à une pression de 3 bara ; de 96% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 4% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre -15°C et -10°C à une pression de 2 bara ; de 98% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 2% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre -30°C et -25°C à une pression de 1,013 bara ; de 98% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01 à 2% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition et a un point d'ébullition compris entre -30°C et -25°C à une pression de 1 bara. Preferably, said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 90% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 10% by weight of 1,1,2-trifluoroethane on based on the total weight of said composition, and has a boiling point of between 20°C and 25°C at a pressure of 6 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 8% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between 12°C and 17°C at a pressure of 5 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 8% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between 5°C and 10°C at a pressure of 4 bara; from 94% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 6% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between -3° C and 2°C at a pressure of 3 bara; from 96% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 4% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between -15° C and -10°C at a pressure of 2 bara; from 98% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 2% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between -30° C and -25°C at a pressure of 1.013 bara; from 98% to 99.99% by weight of chlorotrifluoroethylene and from 0.01 to 2% by weight of 1,1,2-trifluoroethane based on the total weight of said composition and has a boiling point between -30° C and -25°C at a pressure of 1 bara.
De manière avantageusement privilégiée, ladite composition peut également comprendre du 1,1-difluoroéthane ou des composés additionnels tels que définis ci-dessus dans la présente demande. Lorsqu'elle en contient, ladite composition peut comprendre un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix, onze ou l'ensemble desdits composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, 1- chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane. Ainsi, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consiste en, : de 90% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 10% en poids de 1,1,2- trifluoroéthane, et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 20°C et 25°C à une pression de 6 bara ; de 92% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 8% en poids de 1,1,2- trifluoroéthane, et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 12°C et 17°C à une pression de 5 bara ; de 92% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 8% en poids de 1,1,2- trifluoroéthane, et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 5°C et 10°C à une pression de 4 bara ; de 94% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 6% en poids de 1,1,2- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -3°C et 2°C à une pression de 3 bara ; de 96% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 4% en poids de 1,1,2- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition; ladite composition ayant un point d'ébullition compris entre -15°C et -10°C à une pression de 2 bara ; de 98% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 2% en poids de 1,1,2- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -30°C et -25°C à une pression de 1,013 bara ; de 98% à 99,99% en poids de chlorotrifluoroéthylène, de 0,01% à 2% en poids de 1,1,2- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -30°C et -25°C à une pression de 1 bara. Advantageously, said composition may also comprise 1,1-difluoroethane or additional compounds as defined above in the present application. When it contains them, said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said selected additional compounds from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1 ,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane. Thus, said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 90% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 10% by weight of 1,1,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2- trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1, 1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between 20°C and 25°C at a pressure of 6 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 8% by weight of 1,1,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1 ,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between 12°C and 17°C at a pressure of 5 bara; from 92% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 8% by weight of 1,1,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1 ,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between 5°C and 10°C at a pressure of 4 bara; from 94% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 6% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2- chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1, 2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between -3°C and 2°C at a pressure of 3 bara; from 96% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 4% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2- chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between -15°C and -10°C at a pressure of 2 bara; from 98% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 2% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2- chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between -30°C and -25°C at a pressure of 1.013 bara; from 98% to 99.99% by weight of chlorotrifluoroethylene, from 0.01% to 2% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2- chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of between -30°C and -25°C at a pressure of 1 bara.
De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 92% à 93% en poids de chlorotrifluoroéthylène et de 7% à 8% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 21°C à 22°C à une pression 6 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 92% à 93% en poids de chlorotrifluoroéthylène et de 7% à 8% en poids de 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de 21°C à 22°C à une pression 6 bara. En particulier, ladite composition azéotropique consiste en 92,5% en poids de chlorotrifluoroéthylène et 7,5% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 21,3°C à une pression 6 bara. More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 92% to 93% by weight of chlorotrifluoroethylene and from 7% to 8% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 21°C to 22°C at a pressure of 6 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 92% to 93% by weight of chlorotrifluoroethylene and from 7% to 8% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1 ,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 21°C to 22°C at a pressure of 6 bara. In particular, said azeotropic composition consists of 92.5% by weight of chlorotrifluoroethylene and 7.5% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 21.3°C at a pressure of 6 bara.
De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 93% à 94% en poids de chlorotrifluoroéthylène et de 6% à 7% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 15°C à 16°C à une pression 5 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 93% à 94% en poids de chlorotrifluoroéthylène et de 6% à 7% en poids de 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de 15°C à 16°C à une pression 5 bara. En particulier, ladite composition azéotropique consiste en 93,4% en poids de chlorotrifluoroéthylène et 6,6% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 15,2°C à une pression 5 bara. More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 93% to 94% by weight of chlorotrifluoroethylene and from 6% to 7% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 15°C to 16°C at a pressure of 5 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 93% to 94% by weight of chlorotrifluoroethylene and from 6% to 7% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 15°C to 16°C at a pressure of 5 bara. In particular, said azeotropic composition consists of 93.4% by weight of chlorotrifluoroethylene and 6.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 15.2°C at a pressure of 5 bara.
De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 94% à 95% en poids de chlorotrifluoroéthylène et de 5% à 6% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 8°C à 9°C à une pression 4 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 94% à 95% en poids de chlorotrifluoroéthylène et de 5% à 6% en poids de 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de 8°C à 9°C à une pression 4 bara. En particulier, ladite composition azéotropique consiste en 94,4% en poids de chlorotrifluoroéthylène et 5,6% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de 8,1°C à une pression 4 bara. More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 94% to 95% by weight of chlorotrifluoroethylene and from 5% to 6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 8°C to 9°C at a pressure of 4 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 94% to 95% by weight of chlorotrifluoroethylene and from 5% to 6% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of 8°C to 9°C at a pressure of 4 bara. In particular, said azeotropic composition consists of 94.4% by weight of chlorotrifluoroethylene and 5.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of 8.1°C at a pressure of 4 bara.
De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 95% à 96% en poids de chlorotrifluoroéthylène et de 4% à 5% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -1°C à 0°C à une pression 3 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 95% à 96% en poids de chlorotrifluoroéthylène et de 4% à 5% en poids de 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane,More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 95% to 96% by weight of chlorotrifluoroethylene and from 4% to 5% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -1°C to 0°C at a pressure of 3 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 95% to 96% by weight of chlorotrifluoroethylene and from 4% to 5% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane,
1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de -1°C à 0°C à une pression 3 bara. En particulier, ladite composition azéotropique consiste en 95,7% en poids de chlorotrifluoroéthylène et 4,3% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -0,5°C à une pression 3 bara. 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of -1°C to 0°C at a pressure of 3 bara. In particular, said azeotropic composition consists of 95.7% by weight of chlorotrifluoroethylene and 4.3% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -0.5°C at a pressure of 3 bara.
De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 97% à 98% en poids de chlorotrifluoroéthylène et de 2% à 3% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -12°C à -11°C à une pression 2 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 97% à 98% en poids de chlorotrifluoroéthylène et de 3% à 4% en poids de 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane,More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 97% to 98% by weight of chlorotrifluoroethylene and from 2% to 3% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -12°C to -11°C at a pressure of 2 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 97% to 98% by weight of chlorotrifluoroethylene and from 3% to 4% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the compounds additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1 ,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane,
1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de -12°C à -11°C à une pression 2 bara. En particulier, ladite composition azéotropique consiste en 97,4% en poids de chlorotrifluoroéthylène et 2,6% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -11,7°C à une pression 2 bara. De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 99,5% à 99,99% en poids de chlorotrifluoroéthylène et de 0,01% à 0,5% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -28°C à -29°C à une pression 1,013 bara. De préférence, ladite composition azéotropique comprend, plus préférentiellement consiste en, de 99,5% à 99,9% en poids de chlorotrifluoroéthylène et de 0,01% à 0,5% en poids de 1,1,2- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2- trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1, 1,2,2- tétrafluoroéthane et 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de -28°C à -29°C à une pression 1,013 bara. En particulier, ladite composition azéotropique consiste en 99,98% en poids de chlorotrifluoroéthylène et 0,02% en poids de 1,1,2-trifluoroéthane ; ladite composition ayant un point d'ébullition de -28,4°C à une pression 1,013 bara. 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of -12°C to -11°C at a pressure of 2 bara. In particular, said azeotropic composition consists of 97.4% by weight of chlorotrifluoroethylene and 2.6% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -11.7°C at a pressure of 2 bara. More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 99.5% to 99.99% by weight of chlorotrifluoroethylene and from 0.01% to 0.5% by weight of 1.1 ,2-trifluoroethane; said composition having a boiling point of -28°C to -29°C at a pressure of 1.013 bara. Preferably, said azeotropic composition comprises, more preferably consists of, from 99.5% to 99.9% by weight of chlorotrifluoroethylene and from 0.01% to 0.5% by weight of 1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane , trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1, 1,2,2-tetrafluoroethane and 1,1 -difluoroethane based on the total weight of said composition; said composition having a boiling point of -28°C to -29°C at a pressure of 1.013 bara. In particular, said azeotropic composition consists of 99.98% by weight of chlorotrifluoroethylene and 0.02% by weight of 1,1,2-trifluoroethane; said composition having a boiling point of -28.4°C at a pressure of 1.013 bara.
La [Fig. 1] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en chlorotrifluoroéthylène pour le binaire chlorotrifluoroéthylène/l,l,2-trifluoroéthane à une pression de 1 à 6 bara. The [Fig. 1] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of chlorotrifluoroethylene for the binary chlorotrifluoroethylene/l,l,2-trifluoroethane at a pressure of 1 to 6 bara.
A-ii¾ Composition à base de CTFE et 152a A-ii¾ Composition based on CTFE and 152a
Selon un autre mode de réalisation particulier du premier aspect de la présente invention, ladite composition azéotropique ou quasi-azéotropique comprend du chlorotrifluoroéthylène et du 1,1-difluoroéthane. According to another particular embodiment of the first aspect of the present invention, said azeotropic or quasi-azeotropic composition comprises chlorotrifluoroethylene and 1,1-difluoroethane.
Avantageusement, ladite composition azéotropique ou quasi-azéotropique comprend de 60% à 80% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. De préférence, ladite composition azéotropique ou quasi-azéotropique comprend de 63% à 77% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. En particulier, ladite composition azéotropique ou quasi-azéotropique comprend de 66% à 74% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. Advantageously, said azeotropic or quasi-azeotropic composition comprises from 60% to 80% by weight of chlorotrifluoroethylene based on the total weight of said composition. Preferably, said azeotropic or quasi-azeotropic composition comprises from 63% to 77% by weight of chlorotrifluoroethylene based on the total weight of said composition. In particular, said azeotropic or quasi-azeotropic composition comprises from 66% to 74% by weight of chlorotrifluoroethylene based on the total weight of said composition.
Avantageusement, ladite composition azéotropique ou quasi-azéotropique comprend de 20% à 40% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition azéotropique ou quasi-azéotropique comprend de 23% à 37% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition azéotropique ou quasi-azéotropique comprend de 26% à 34% en poids de 1,1- difluoroéthane sur base du poids total de ladite composition. Advantageously, said azeotropic or quasi-azeotropic composition comprises from 20% to 40% by weight of 1,1-difluoroethane based on the total weight of said composition. Preferably, said azeotropic or quasi-azeotropic composition comprises from 23% to 37% by weight of 1,1-difluoroethane based on the total weight of said composition. In particular, said azeotropic or quasi-azeotropic composition comprises from 26% to 34% by weight of 1,1-difluoroethane based on the total weight of said composition.
De préférence, ladite composition a un point d'ébullition compris entre -40°C et 30°C, plus préférentiellement entre -35°C et 16°C. En particulier, ladite composition a un point d'ébullition compris entre -40°C et 30°C à une pression comprise entre 0,5 bara et 8 bara. Plus particulièrement, ladite composition a un point d'ébullition compris entre -35°C et 16°C à une pression comprise de 1 bara à 6 bara. Preferably, said composition has a boiling point of between -40°C and 30°C, more preferably between -35°C and 16°C. In particular, said composition has a boiling point of between -40°C and 30°C at a pressure of between 0.5 bara and 8 bara. More particularly, said composition has a boiling point of between -35°C and 16°C at a pressure of 1 bara to 6 bara.
Ainsi, ladite composition azéotropique ou quasi-azéotropique peut comprendre de 60% à 80% en poids de chlorotrifluoroéthylène et de 20 à 40% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -40°C et 30°C à une pression comprise de 0,5 bara à 8 bara. Avantageusement, ladite composition azéotropique ou quasi-azéotropique peut comprendre de 63% à 77% en poids de chlorotrifluoroéthylène et de 23 à 37% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -40°C et 30°C à une pression comprise de 0,5 bara à 8 bara. Plus particulièrement, ladite composition azéotropique ou quasi-azéotropique comprend de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre -35°C et 16°C à une pression comprise de 1 bara à 6 bara. Thus, said azeotropic or quasi-azeotropic composition may comprise from 60% to 80% by weight of chlorotrifluoroethylene and from 20 to 40% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 30°C at a pressure between 0.5 bara and 8 bara. Advantageously, said azeotropic or quasi-azeotropic composition may comprise from 63% to 77% by weight of chlorotrifluoroethylene and from 23 to 37% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -40°C and 30°C at a pressure between 0.5 bara and 8 bara. More particularly, said azeotropic or quasi-azeotropic composition comprises from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane based on the total weight of said composition; and has a boiling point between -35°C and 16°C at a pressure between 1 bara and 6 bara.
De manière privilégiée, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consiste en, : de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1- difluoroéthane sur base du poids total de ladite composition, et a un point d'ébullition compris entre 14°C et 17°C à une pression de 6 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1- difluoroéthane et a un point d'ébullition compris entre 7°C et 11°C à une pression de 5 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1- difluoroéthane et a un point d'ébullition compris entre 0°C et 4°C à une pression de 4 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1- difluoroéthane et a un point d'ébullition compris entre -8°C et -4°C à une pression de 3 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène et de 26 à 34% en poids de 1,1- difluoroéthane et a un point d'ébullition compris entre -15°C et -19°C à une pression de 2 bara ; de 68% à 74% en poids de chlorotrifluoroéthylène et de 26 à 32% en poids de 1,1- difluoroéthane et a un point d'ébullition compris entre -32°C et -36°C à une pression de 1 bara. Preferably, said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane based on the total weight of said composition, and has a boiling point between 14°C and 17°C at a pressure of 6 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between 7°C and 11°C at a pressure of 5 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between 0°C and 4°C at a pressure of 4 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between -8°C and -4°C at a pressure of 3 bara; from 66% to 74% by weight of chlorotrifluoroethylene and from 26 to 34% by weight of 1,1-difluoroethane and has a boiling point of between -15°C and -19°C at a pressure of 2 bara; from 68% to 74% by weight of chlorotrifluoroethylene and from 26 to 32% by weight of 1,1-difluoroethane and has a boiling point of between -32°C and -36°C at a pressure of 1 bara.
De manière avantageusement privilégiée, ladite composition peut également comprendreAdvantageously, said composition may also comprise
1.1.2-trifluoroéthane ou des composés additionnels tels que définis ci-dessus dans la présente demande. Lorsqu'elle en contient, ladite composition peut comprendre un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix, onze ou l'ensemble desdits composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, 1- chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et1.1.2-trifluoroethane or additional compounds as defined above in the present application. When it contains, said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of 2-chloro-1, l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, 1-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and
1.1.2-trifluoroéthane. 1.1.2-trifluoroethane.
Ainsi, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consiste en, : de 66% à 74% en poids de chlorotrifluoroéthylène, de 26 à 34% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 14°C et 17°C à une pression de 6 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène, de 26 à 34% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 7°C et 11°C à une pression de 5 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène, de 26 à 34% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre 0°C et 4°C à une pression de 4 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène, de 26 à 34% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -8°C et -4°C à une pression de 3 bara ; de 66% à 74% en poids de chlorotrifluoroéthylène, de 26 à 34% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -15°C et -19°C à une pression de 2 bara ; de 68% à 74% en poids de chlorotrifluoroéthylène, de 26 à 32% en poids de 1,1- difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition compris entre -32°C et -36°C à une pression de 1 bara. De manière plus privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 69% à 70% en poids de chlorotrifluoroéthylène et de 30% à 31% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de -35°C à 16°C à une pression de 1 à 6 bara. De manière préférentiellement privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 69% à 70% en poids de chlorotrifluoroéthylène, de 30% à 31% en poids de 1,1-difluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, l-chloro-1,1,2- trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,2-difluoroéthane, 1, 1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane et 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; ladite composition ayant un point d'ébullition de - 35°C à 16°C à une pression de 1 à 6 bara. Thus, said azeotropic or quasi-azeotropic composition comprises, preferably consists of: from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on total weight of said composition; said composition having a boiling point of between 14°C and 17°C at a pressure of 6 bara; from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1 -trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1 ,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of between 7°C and 11°C at a pressure of 5 bara; from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1 -trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1 ,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of between 0°C and 4°C at a pressure of 4 bara; from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1 -trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1 ,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of between -8°C and -4°C at a pressure of 3 bara; from 66% to 74% by weight of chlorotrifluoroethylene, from 26 to 34% by weight of 1,1-difluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1 -trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1 ,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of between -15°C and -19°C at a pressure of 2 bara; from 68% to 74% by weight of chlorotrifluoroethylene, from 26 to 32% by weight of 1,1-difluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1 -trifluoroethane, 2-chloro-l,l,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1 ,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point between -32°C and -36°C at a pressure of 1 bara. More preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 69% to 70% by weight of chlorotrifluoroethylene and from 30% to 31% by weight of 1,1-difluoroethane based on the total weight of said composition; said composition having a boiling point of -35°C to 16°C at a pressure of 1 to 6 bara. Preferably, the present invention provides an azeotropic composition comprising, preferably consisting of, from 69% to 70% by weight of chlorotrifluoroethylene, from 30% to 31% by weight of 1,1-difluoroethane and optionally the balance of at least least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, 1-chloro-1,1,2-trifluoroethane, trifluoroethylene, HF , HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane and 1,1,2-trifluoroethane based on the total weight of said composition; said composition having a boiling point of -35°C to 16°C at a pressure of 1 to 6 bara.
En particulier, ladite composition azéotropique consiste en 69,1% en poids de chlorotrifluoroéthylène et 30,9% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de 15,3°C à 6 bara. In particular, said azeotropic composition consists of 69.1% by weight of chlorotrifluoroethylene and 30.9% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 15.3°C. at 6 bar.
En particulier, ladite composition azéotropique consiste en 69,2% en poids de chlorotrifluoroéthylène et 30,8% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de 9,2°C à 5 bara. In particular, said azeotropic composition consists of 69.2% by weight of chlorotrifluoroethylene and 30.8% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 9.2°C. at 5 bar.
En particulier, ladite composition azéotropique consiste en 69,3% en poids de chlorotrifluoroéthylène et 30,7% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de 2,2°C à 4 bara. In particular, said azeotropic composition consists of 69.3% by weight of chlorotrifluoroethylene and 30.7% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of 2.2°C. at 4 bar.
En particulier, ladite composition azéotropique consiste en 69,4% en poids de chlorotrifluoroéthylène et 30,6% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de -6,2°C à 3 bara. In particular, said azeotropic composition consists of 69.4% by weight of chlorotrifluoroethylene and 30.6% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -6.2° C at 3 bar.
En particulier, ladite composition azéotropique consiste en 69,5% en poids de chlorotrifluoroéthylène et 30,5% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de -17,2°C à 2 bara. In particular, said azeotropic composition consists of 69.5% by weight of chlorotrifluoroethylene and 30.5% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -17.2° C at 2 bar.
En particulier, ladite composition azéotropique consiste en 69,7% en poids de chlorotrifluoroéthylène et 30,3% en poids de 1,1-difluoroéthane sur base du poids total de la composition et a un point d'ébullition de -33,7°C à 1 bara. La [Fig. 2] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en chlorotrifluoroéthylène pour le binaire chlorotrifluoroéthylène/l,l-difluoroéthane à une pression de 1 à 6 bara. In particular, said azeotropic composition consists of 69.7% by weight of chlorotrifluoroethylene and 30.3% by weight of 1,1-difluoroethane based on the total weight of the composition and has a boiling point of -33.7° C at 1 bar. The [Fig. 2] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of chlorotrifluoroethylene for the binary chlorotrifluoroethylene/l,l-difluoroethane at a pressure of 1 to 6 bara.
La présence de compositions azéotropiques ou quasi-azéotropiques telles que définies dans la présente invention sont confirmées par les données issues des [Fig. 1] et [Fig. 2] Les volatilités relatives de chacune des compositions présentées dans les figures 1 et 2 ont été calculées à l'équilibre liquide-vapeur. The presence of azeotropic or quasi-azeotropic compositions as defined in the present invention are confirmed by the data from [Fig. 1] and [Fig. 2] The relative volatilities of each of the compositions shown in Figures 1 and 2 were calculated at liquid-vapor equilibrium.
B) Composition comprenant 1.1.2-trifluoroéthane (143) B) Composition comprising 1.1.2-trifluoroethane (143)
Selon un second aspect, la présente invention concerne une composition azéotropique ou quasi- azéotropique comprenant du 1,1,2-trifluoroéthane. De préférence, ladite composition comprend au moins l'un des composés sélectionnés parmi le groupe consistant en 2-chloro- 1,1,1-trifluoroéthane (133a) et l-chloro-l,l,2-trifluoroéthane (133b) ou un mélange des deux. Selon un mode de réalisation particulier, ladite composition peut également comprendre au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2- trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1- difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1, 1,2,2- tétrafluoroéthane. According to a second aspect, the present invention relates to an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane. Preferably, said composition comprises at least one of the compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane (133a) and 1-chloro-1,1,2-trifluoroethane (133b) or a mixture of the two. According to a particular embodiment, said composition may also comprise at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1- trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Ainsi, ladite composition azéotropique ou quasi-azéotropique peut comprendre : a) 1,1,2-trifluoroéthane ; b) au moins l'un des composés sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane (133a) et l-chloro-l,l,2-trifluoroéthane (133b) ou un mélange des deux ; et c) optionnellement au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane. Thus, said azeotropic or quasi-azeotropic composition may comprise: a) 1,1,2-trifluoroethane; b) at least one of compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane (133a) and 1-chloro-1,1,2-trifluoroethane (133b) or a mixture of both; and c) optionally at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Selon un mode de réalisation préféré, ladite composition azéotropique ou quasi-azéotropique peut comprendre 1,1,2-trifluoroéthane, 2-chloro-l,l,l-trifluoroéthane et optionnellement au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2- trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1- difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2- tétrafluoroéthane. Alternativement, ladite composition azéotropique ou quasi-azéotropique peut comprendreAccording to a preferred embodiment, said azeotropic or quasi-azeotropic composition may comprise 1,1,2-trifluoroethane, 2-chloro-l,l,l-trifluoroethane and optionally at least one of the additional compounds selected from the group consisting of 2 -chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1 ,1-difluoroethylene and 1,1,2,2-tetrafluoroethane. Alternatively, said azeotropic or quasi-azeotropic composition may comprise
1,1,2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane et optionnellement au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2- trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1- difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1, 1,2,2- tétrafluoroéthane. 1,1,2-trifluoroethane, l-chloro-l,l,2-trifluoroethane and optionally at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF , HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Alternativement, ladite composition azéotropique ou quasi-azéotropique peut comprendreAlternatively, said azeotropic or quasi-azeotropic composition may comprise
1,1,2-trifluoroéthane, 2-chloro-l,l,l-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane et optionnellement au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl,1,1,2-trifluoroethane, 2-chloro-l,l,l-trifluoroethane, l-chloro-l,l,2-trifluoroethane and optionally at least one of the additional compounds selected from the group consisting of 2-chloro-l ,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl,
1.1.1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène et 1,1,2,2-tétrafluoroéthane. 1.1.1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
De préférence, ladite composition azéotropique ou quasi-azéotropique a un point d'ébullition compris entre -10°C et 70°C. En particulier, ladite composition azéotropique ou quasi- azéotropique a un point d'ébullition compris entre -10°C et 70°C à une pression comprise entre 0,5 bara et 8 bara. Plus particulièrement, ladite composition azéotropique ou quasi- azéotropique a un point d'ébullition compris entre 0°C et 65°C à une pression de 1 à 6 bara. Selon un mode de réalisation particulier, ladite composition comprend au moins 30% en poids, avantageusement au moins 32% en poids, de préférence au moins 34% en poids, en particulier au moins 36% en poids, plus particulièrement au moins 38% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. Preferably, said azeotropic or quasi-azeotropic composition has a boiling point of between -10°C and 70°C. In particular, said azeotropic or quasi-azeotropic composition has a boiling point of between −10° C. and 70° C. at a pressure of between 0.5 bara and 8 bara. More particularly, said azeotropic or quasi-azeotropic composition has a boiling point of between 0° C. and 65° C. at a pressure of 1 to 6 bara. According to a particular embodiment, said composition comprises at least 30% by weight, advantageously at least 32% by weight, preferably at least 34% by weight, in particular at least 36% by weight, more particularly at least 38% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Selon un mode de réalisation particulier, ladite composition comprend au plus 46 % en poids, avantageusement au plus 44% en poids, de préférence au plus 42% en poids, en particulier au plus 40% en poids, plus particulièrement au plus 38% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition. According to a particular embodiment, said composition comprises at most 46% by weight, advantageously at most 44% by weight, preferably at most 42% by weight, in particular at most 40% by weight, more particularly at most 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
Selon un mode de réalisation particulier, ladite composition comprend au plus 66% en poids, avantageusement au plus 65% en poids, de préférence au plus 64% en poids, en particulier au plus 63% en poids, plus particulièrement au plus 62% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. According to a particular embodiment, said composition comprises at most 66% by weight, advantageously at most 65% by weight, preferably at most 64% by weight, in particular at most 63% by weight, more particularly at most 62% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
Comme mentionné ci-dessus, ladite composition selon la présente invention peut comprendre au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-As mentioned above, said composition according to the present invention may comprise at least one of the additional compounds selected from the group consisting of 2-chloro-
1.1.2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1.1.2.2-tétrafluoroéthane. Ainsi, ladite composition peut comprendre, au moins deux, ou au moins trois, ou au moins quatre, ou au moins cinq, ou au moins six, ou au moins sept, ou au moins huit, ou au moins neuf, ou moins dix, ou au moins onze, ou l'ensemble des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane,1.1.2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1.1.2.2-tetrafluoroethane. Thus, said composition may comprise at least two, or at least three, or at least four, or at least five, or at least six, or at least seven, or at least eight, or at least nine, or at least ten, or at least eleven, or all of the additional compounds selected from the group consisting of 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1- difluoroethane,
1.2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2- tétrafluoroéthane. 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Selon un mode de réalisation préféré, ladite composition contient moins de 10% en poids desdits composés additionnels sur base du poids total de la composition. De préférence, ladite composition moins de 8% en poids, ou moins de 6% en poids, ou moins de 4% en poids, ou moins de 2% en poids, ou moins de 1% en poids, ou moins de 0,5% en poids, ou moins de 0,1% en poids, ou moins de 0,05% en poids, ou moins de 0,01% en poids desdits composés additionnels sur base du poids total de la composition. According to a preferred embodiment, said composition contains less than 10% by weight of said additional compounds based on the total weight of the composition. Preferably, said composition less than 8% by weight, or less than 6% by weight, or less than 4% by weight, or less than 2% by weight, or less than 1% by weight, or less than 0.5 % by weight, or less than 0.1% by weight, or less than 0.05% by weight, or less than 0.01% by weight of said additional compounds based on the total weight of the composition.
B-i¾ Compositions à base de 143 et 133b B-i¾ Compositions based on 143 and 133b
Selon un mode de réalisation particulier du second aspect de la présente invention, ladite composition azéotropique ou quasi-azéotropique comprend du 1,1,2-trifluoroéthane et du 1- chloro-l,l,2-trifluoroéthane. According to a particular embodiment of the second aspect of the present invention, said azeotropic or quasi-azeotropic composition comprises 1,1,2-trifluoroethane and 1-chloro-1,1,2-trifluoroethane.
Avantageusement, ladite composition comprend de 55% à 99,99% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend de 60% à 99,99% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition comprend de 62% à 99,99% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. Advantageously, said composition comprises from 55% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises from 60% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. In particular, said composition comprises from 62% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Avantageusement, ladite composition comprend de 0,01% à 45% en poids de l-chloro-1,1,2- trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend de 0,01% à 40% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition comprend de 0,01% à 38% en poids de 1- chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition. Advantageously, said composition comprises from 0.01% to 45% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises from 0.01% to 40% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition. In particular, said composition comprises from 0.01% to 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition.
De préférence, ladite composition a un point d'ébullition compris entre 0°C et 40°C, plus préférentiellement entre 0°C et 35°C. En particulier, ladite composition a un point d'ébullition compris entre 0°C et 40°C à une pression de 1 bara à 3 bara. Plus particulièrement, ladite composition a un point d'ébullition compris entre 0°C et 35°C à une pression comprise de 1 bara à 3 bara. Plus préférentiellement, ladite composition azéotropique ou quasi-azéotropique comprend de 60 à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 40% en poids de l-chloro-1,1,2- trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre 0°C et 40°C à une pression de 1 à 3 bara. Preferably, said composition has a boiling point of between 0°C and 40°C, more preferably between 0°C and 35°C. In particular, said composition has a boiling point of between 0° C. and 40° C. at a pressure of 1 bara to 3 bara. More particularly, said composition has a boiling point of between 0° C. and 35° C. at a pressure of 1 bara to 3 bara. More preferably, said azeotropic or quasi-azeotropic composition comprises from 60 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 40% by weight of l-chloro-1,1,2- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 40°C at a pressure of 1 to 3 bara.
En particulier, ladite composition azéotropique ou quasi-azéotropique comprend de 62 à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 38% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre 0°C et 35°C à une pression de 1 à 3 bara. In particular, said azeotropic or quasi-azeotropic composition comprises from 62 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 38% by weight of l-chloro-l,l,2- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 35°C at a pressure of 1 to 3 bara.
De manière privilégiée, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consistant en, : de 62% à 84% en poids de 1,1,2-trifluoroéthane et de 16% à 38% en poids de 1-chloro- 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 2°C à 6°C à une pression de 1 bara ; de 62% à 84% en poids de 1,1,2-trifluoroéthane et de 16% à 38% en poids de 1-chloro- 1,1,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 2°C à 6°C à une pression de 1,013 bara ; de 74% à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 26% en poids de 1- chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 20°C à 24°C à une pression de 2 bara ; de 88% à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 12% en poids de 1- chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 31°C à 35°C à une pression de 3 bara. Preferably, said azeotropic or quasi-azeotropic composition comprises, preferably consisting of: from 62% to 84% by weight of 1,1,2-trifluoroethane and from 16% to 38% by weight of 1-chloro-1 ,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 2°C to 6°C at a pressure of 1 bara; from 62% to 84% by weight of 1,1,2-trifluoroethane and from 16% to 38% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 2°C to 6°C at a pressure of 1.013 bara; from 74% to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 26% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 20°C to 24°C at a pressure of 2 bara; from 88% to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 12% by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 31°C to 35°C at a pressure of 3 bara.
De manière avantageusement privilégiée, ladite composition peut également comprendre du 2- chloro-l,l,l-trifluoroéthane ou des composés additionnels tels que définis ci-dessus selon le second aspect de la présente invention. Lorsqu'elle en contient, ladite composition peut comprendre un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix, onze ou l'ensemble desdits composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane. Advantageously, said composition may also comprise 2-chloro-1,1,1-trifluoroethane or additional compounds as defined above according to the second aspect of the present invention. When it contains, said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of 2-chloro-1, l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane.
Ladite composition azéotropique ou quasi-azéotropique peut également comprendre, de préférence consister en, : de 62% à 84% en poids de 1,1,2-trifluoroéthane, de 16% à 38% en poids de 1-chloro- 1,1,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl,Said azeotropic or quasi-azeotropic composition may also comprise, preferably consist of: from 62% to 84% by weight of 1,1,2-trifluoroethane, from 16% to 38% by weight of 1-chloro-1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl,
1.1.1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1, 1,2- tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 2°C à 6°C à une pression de 1 bara ; de 62% à 84% en poids de 1,1,2-trifluoroéthane, de 16% à 38% en poids de 1-chloro-1.1.1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane based on the total weight of said composition ; the latter having a boiling point of 2°C to 6°C at a pressure of 1 bara; from 62% to 84% by weight of 1,1,2-trifluoroethane, from 16% to 38% by weight of 1-chloro-
1.1.2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1, 1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 2°C à 6°C à une pression de 1,013 bara ; de 74% à 99,99% en poids de 1,1,2-trifluoroéthane, de 0,01% à 26% en poids de 1- chloro-l,l,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2- tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 20°C à 24°C à une pression de 2 bara ; de 88% à 99,99% en poids de 1,1,2-trifluoroéthane, de 0,01% à 12% en poids de 1- chloro-l,l,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2- tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 31°C à 35°C à une pression de 3 bara. De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 71% à 72% en poids de 1,1,2- trifluoroéthane et de 28% à 29% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 3°C à 4°C à une pression de 1 bara ou un point d'ébullition de 4°C à 5°C à une pression de 1,013 bara. 1.1.2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane on based on the total weight of said composition; the latter having a boiling point of 2°C to 6°C at a pressure of 1.013 bara; from 74% to 99.99% by weight of 1,1,2-trifluoroethane, from 0.01% to 26% by weight of 1-chloro-l,l,2-trifluoroethane and optionally the balance of at least one of additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane based on the total weight of said composition; the latter having a boiling point of 20° C. to 24° C. at a pressure of 2 bara; from 88% to 99.99% by weight of 1,1,2-trifluoroethane, from 0.01% to 12% by weight of 1-chloro-l,l,2-trifluoroethane and optionally the balance of at least one of additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane based on the total weight of said composition; the latter having a boiling point of 31°C to 35°C at a pressure of 3 bara. In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 71% to 72% by weight of 1,1,2-trifluoroethane and from 28% to 29% by weight of l-chloro-1 ,1,2-trifluoroethane based on the total weight of said composition; and having a boiling point of 3°C to 4°C at a pressure of 1 bara or a boiling point of 4°C to 5°C at a pressure of 1.013 bara.
De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 71% à 72% en poids de 1,1,2- trifluoroéthane, de 28% à 29% en poids de l-chloro-l,l,2-trifluoroéthane, et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 3°C à 4°C à une pression de 1 bara ou un point d'ébullition de 4°C à 5°C à une pression de 1,013 bara. In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 71% to 72% by weight of 1,1,2-trifluoroethane, from 28% to 29% by weight of l-chloro-1 ,l,2-trifluoroethane, and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2- tetrafluoroethane based on the total weight of said composition; and having a boiling point of 3°C to 4°C at a pressure of 1 bara or a boiling point of 4°C to 5°C at a pressure of 1.013 bara.
De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 71,6% de 1,1,2-trifluoroéthane et 28,4% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 3,9°C à une pression de 1 bara. De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 71,8% de 1,1,2-trifluoroéthane et 28,2% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 4,2°C à une pression de 1,013 bara. More particularly preferred, said azeotropic composition consists of 71.6% of 1,1,2-trifluoroethane and 28.4% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition ; and has a boiling point of 3.9°C at a pressure of 1 bara. More particularly preferred, said azeotropic composition consists of 71.8% of 1,1,2-trifluoroethane and 28.2% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition ; and has a boiling point of 4.2°C at a pressure of 1.013 bara.
De manière particulièrement privilégiée, la présente invention fournit également des compositions azéotropiques comprenant, de préférence consistant en, de 88,5% à 89,5% en poids de 1,1,2-trifluoroéthane et de 10,5% à 11,5% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 21°C à 23°C à une pression de 2 bara. In a particularly preferred manner, the present invention also provides azeotropic compositions comprising, preferably consisting of, from 88.5% to 89.5% by weight of 1,1,2-trifluoroethane and from 10.5% to 11.5 % by weight of 1-chloro-1,1,2-trifluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 23°C at a pressure of 2 bara.
De manière particulièrement privilégiée, la présente invention fournit également des compositions azéotropiques comprenant, de préférence consistant en, de 88,5% à 89,5% en poids de 1,1,2-trifluoroéthane, de 10,5% à 11,5% en poids de l-chloro-l,l,2-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène, 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 21°C à 23°C à une pression de 2 bara. In a particularly preferred manner, the present invention also provides azeotropic compositions comprising, preferably consisting of, from 88.5% to 89.5% by weight of 1,1,2-trifluoroethane, from 10.5% to 11.5 % by weight of 1-chloro-1,1,2-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 2-chloro-1, l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene, 1,1,2,2-tetrafluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 23°C at a pressure of 2 bara.
De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 88,8% en poids de 1,1,2-trifluoroéthane et 10,2% en poids de l-chloro-l,l,2-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 21,8°C à une pression de 2 bara. More particularly preferred, said azeotropic composition consists of 88.8% by weight of 1,1,2-trifluoroethane and 10.2% by weight of l-chloro-l,l,2-trifluoroethane based on the total weight of said composition; and has a boiling point of 21.8°C at a pressure of 2 bara.
La [Fig. 3] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en 1,1,2-trifluoroéthane pour le binaire 1,1,2-trifluoroéthane/l- chloro-l,l,2-trifluoroéthane à une pression de 1 à 6 bara. The [Fig. 3] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 1,1,2-trifluoroethane for the binary 1,1,2-trifluoroethane/l-chloro-l,l, 2-trifluoroethane at a pressure of 1 to 6 bara.
B-ii) Composition à base de 143 et 133a B-ii) Composition based on 143 and 133a
Selon un autre mode de réalisation particulier du second aspect de la présente invention, ladite composition azéotropique ou quasi-azéotropique comprend du 1,1,2-trifluoroéthane et du 2- chloro-l,l,l-trifluoroéthane. According to another particular embodiment of the second aspect of the present invention, said azeotropic or quasi-azeotropic composition comprises 1,1,2-trifluoroethane and 2-chloro-l,l,l-trifluoroethane.
Avantageusement, ladite composition comprend de 30% à 99,99% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend de 35% à 99,99% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition comprend de 38% à 99,99% en poids de 1,1,2- trifluoroéthane sur base du poids total de ladite composition. Advantageously, said composition comprises from 30% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises from 35% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition. In particular, said composition comprises from 38% to 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
Avantageusement, ladite composition comprend de 0,01% à 70% en poids de 2-chloro-l,l,l- trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition comprend de 0,01% à 65% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. En particulier, ladite composition comprend de 0,01% à 62% en poids de 2- chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. Advantageously, said composition comprises from 0.01% to 70% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition. Preferably, said composition comprises from 0.01% to 65% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition. In particular, said composition comprises from 0.01% to 62% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition.
De préférence, ladite composition a un point d'ébullition compris entre 0°C et 40°C, plus préférentiellement entre 0°C et 35°C. En particulier, ladite composition a un point d'ébullition compris entre 0°C et 40°C à une pression de 1 bara à 3 bara. Plus particulièrement, ladite composition a un point d'ébullition compris entre 0°C et 35°C à une pression comprise de 1 bara à 3 bara. Preferably, said composition has a boiling point of between 0°C and 40°C, more preferably between 0°C and 35°C. In particular, said composition has a boiling point of between 0° C. and 40° C. at a pressure of 1 bara to 3 bara. More particularly, said composition has a boiling point of between 0° C. and 35° C. at a pressure of 1 bara to 3 bara.
Selon un mode de réalisation préféré, ladite composition azéotropique ou quasi-azéotropique comprend de 35 à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 65% en poids de 2- chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition azéotropique ou quasi-azéotropique comprend de 35 à 99,99% en poids de 1,1,2- trifluoroéthane et de 0,01% à 65% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre 0°C et 40°C à une pression de 1 à 3 bara. According to a preferred embodiment, said azeotropic or quasi-azeotropic composition comprises from 35 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 65% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition. Preferably, said azeotropic or quasi-azeotropic composition comprises from 35 to 99.99% by weight of 1,1,2- trifluoroethane and from 0.01% to 65% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 40°C at a pressure of 1 to 3 bara.
Selon un mode de réalisation particulier, ladite composition azéotropique ou quasi- azéotropique comprend de 38 à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 62% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition azéotropique ou quasi-azéotropique comprend de 38 à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 62% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition compris entre 0°C et 35°C à une pression de 1 à 3 bara. According to a particular embodiment, said azeotropic or quasi-azeotropic composition comprises from 38 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 62% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition. Preferably, said azeotropic or quasi-azeotropic composition comprises from 38 to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 62% by weight of 2-chloro-l,l,l- trifluoroethane based on the total weight of said composition; and has a boiling point between 0°C and 35°C at a pressure of 1 to 3 bara.
De manière privilégiée, ladite composition azéotropique ou quasi-azéotropique comprend, de préférence consistant en, : de 38 à 66% en poids de 1,1,2-trifluoroéthane et de 34% à 62% en poids de 2-chloro-Preferably, said azeotropic or quasi-azeotropic composition comprises, preferably consisting of: from 38 to 66% by weight of 1,1,2-trifluoroethane and from 34% to 62% by weight of 2-chloro-
1,1,1-trifluoroéthane sur base du poids total de ladite composition ayant un point d'ébullition de 0°C à 5°C à une pression de 1 bara ; de 38 à 66% en poids de 1,1,2-trifluoroéthane et de 34% à 62% en poids de 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 0°C to 5°C at a pressure of 1 bara; from 38 to 66% by weight of 1,1,2-trifluoroethane and from 34% to 62% by weight of 2-chloro-
1,1,1-trifluoroéthane sur base du poids total de ladite composition ayant un point d'ébullition de 0°C à 5°C à une pression de 1,013 bara ; de 50% à 94% en poids de 1,1,2-trifluoroéthane et de 6% à 50% en poids de 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 0°C to 5°C at a pressure of 1.013 bara; from 50% to 94% by weight of 1,1,2-trifluoroethane and from 6% to 50% by weight of 2-chloro-
1,1,1-trifluoroéthane sur base du poids total de ladite composition ayant un point d'ébullition de 18°C à 23°C à une pression de 2 bara ; de 72% à 99,99% en poids de 1,1,2-trifluoroéthane et de 0,01% à 28% en poids de 2- chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ayant un point d'ébullition de 31°C à 35°C à une pression de 3 bara. 1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 18°C to 23°C at a pressure of 2 bara; from 72% to 99.99% by weight of 1,1,2-trifluoroethane and from 0.01% to 28% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition having a boiling point of 31°C to 35°C at a pressure of 3 bara.
De manière avantageusement privilégiée, ladite composition peut également comprendre du 1- chloro-l,l,2-trifluoroéthane ou des composés additionnels tels que définis ci-dessus selon le second aspect de la présente invention. Lorsqu'elle en contient, ladite composition peut comprendre un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix, onze ou l'ensemble desdits composés additionnels sélectionnés parmi le groupe consistant en l-chloro-1,1,2- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane,Advantageously, said composition may also comprise 1-chloro-1,1,2-trifluoroethane or additional compounds as defined above according to the second aspect of the present invention. When it contains them, said composition may comprise one, two, three, four, five, six, seven, eight, nine, ten, eleven or all of said additional compounds selected from the group consisting of l-chloro-1, 1,2- trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1, 1,2-tetrafluoroethane,
1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane. Ladite composition azéotropique ou quasi-azéotropique peut également comprendre, de préférence consister en, : de 38 à 66% en poids de 1,1,2-trifluoroéthane, de 34% à 62% en poids de 2-chloro-l,l,l- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl,1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane. Said azeotropic or quasi-azeotropic composition may also comprise, preferably consist of: from 38 to 66% by weight of 1,1,2-trifluoroethane, from 34% to 62% by weight of 2-chloro-l,l, l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCI,
1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1, 1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 0°C à 5°C à une pression de 1 bara ; de 38 à 66% en poids de 1,1,2-trifluoroéthane, de 34% à 62% en poids de 2-chloro-l,l,l- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl,1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane based on total weight of said composition; the latter having a boiling point of 0°C to 5°C at a pressure of 1 bara; from 38 to 66% by weight of 1,1,2-trifluoroethane, from 34% to 62% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl,
1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1, 1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 0°C à 5°C à une pression de 1,013 bara ; de 50% à 94% en poids de 1,1,2-trifluoroéthane, de 6% à 50% en poids de 2-chloro-l,l,l- trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl,1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane based on total weight of said composition; the latter having a boiling point of 0°C to 5°C at a pressure of 1.013 bara; from 50% to 94% by weight of 1,1,2-trifluoroethane, from 6% to 50% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 1-chloro-1,1,2-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl,
1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1, 1,1,2- tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 18°C à 23°C à une pression de 2 bara ; de 72% à 99,99% en poids de 1,1,2-trifluoroéthane, de 0,01% à 28% en poids de 2- chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-1,1,2- trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2- difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1, 2, 2- tétrafluoroéthane sur base du poids total de ladite composition ; celle-ci ayant un point d'ébullition de 31°C à 35°C à une pression de 3 bara. 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1, 1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane based on total weight of said composition; the latter having a boiling point of 18° C. to 23° C. at a pressure of 2 bara; from 72% to 99.99% by weight of 1,1,2-trifluoroethane, from 0.01% to 28% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of additional compounds selected from the group consisting of 1-chloro-1,1,2-trifluoroethane, 2-chloro-1,1,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1, 1-difluoroethane, 1,2- difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1, 2, 2- tetrafluoroethane based on the total weight of said composition; the latter having a boiling point of 31°C to 35°C at a pressure of 3 bara.
De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 50,5% à 51,5% en poids de 1,1,2- trifluoroéthane et 48,5% à 49,5% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 2,5°C à 3,5°C à une pression de 1 bara. In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 50.5% to 51.5% by weight of 1,1,2-trifluoroethane and 48.5% to 49.5% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1 bara.
De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 50,5% à 51,5% en poids de 1,1,2- trifluoroéthane, de 48,5% à 49,5% en poids de 2-chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane,In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 50.5% to 51.5% by weight of 1,1,2-trifluoroethane, from 48.5% to 49.5% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l ,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane,
1.2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1, 1,2,2- tétrafluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 2,5°C à 3,5°C à une pression de 1 bara. 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane based on the total weight of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1 bara.
De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 50,9% en poids de 1,1,2-trifluoroéthane et 49,1% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 2,7°C à une pression de 1 bara. More particularly preferred, said azeotropic composition consists of 50.9% by weight of 1,1,2-trifluoroethane and 49.1% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 2.7°C at a pressure of 1 bara.
De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 51% à 52% en poids de 1,1,2- trifluoroéthane et 48% à 49% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 2,5°C à 3,5°C à une pression de 1,013 bara. In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 51% to 52% by weight of 1,1,2-trifluoroethane and 48% to 49% by weight of 2-chloro-1, l,l-trifluoroethane based on the total weight of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1.013 bara.
De manière particulièrement privilégiée, la présente invention fournit des compositions azéotropiques comprenant, de préférence consistant en, de 51% à 52% en poids de 1,1,2- trifluoroéthane, de 48% à 49% en poids de 2-chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane,In a particularly preferred manner, the present invention provides azeotropic compositions comprising, preferably consisting of, from 51% to 52% by weight of 1,1,2-trifluoroethane, from 48% to 49% by weight of 2-chloro-1 ,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene , HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane,
1.1.1.2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 2,5°C à 3,5°C à une pression de 1,013 bara. 1.1.1.2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane on a weight basis total of said composition; and having a boiling point of 2.5°C to 3.5°C at a pressure of 1.013 bara.
De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 51,2% en poids de 1,1,2-trifluoroéthane et 48,8% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 3,1°C à une pression de 1,013 bara. More particularly preferred, said azeotropic composition consists of 51.2% by weight of 1,1,2-trifluoroethane and 48.8% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 3.1°C at a pressure of 1.013 bara.
De manière particulièrement privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 72,5% à 73,5% en poids de 1,1,2- trifluoroéthane et de 26,5% à 27,5% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 21°C à 22°C à une pression de 2 bara. In a particularly preferred manner, the present invention provides an azeotropic composition comprising, preferably consisting of, from 72.5% to 73.5% by weight of 1,1,2-trifluoroethane and from 26.5% to 27.5% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 22°C at a pressure of 2 bara.
De manière particulièrement privilégiée, la présente invention fournit une composition azéotropique comprenant, de préférence consistant en, de 72,5% à 73,5% en poids de 1,1,2- trifluoroéthane, de 26,5% à 27,5% en poids de 2-chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène et 1, 1,2,2- tétrafluoroéthane sur base du poids total de ladite composition ; et ayant un point d'ébullition de 21°C à 22°C à une pression de 2 bara. In a particularly preferred manner, the present invention provides an azeotropic composition comprising, preferably consisting of, from 72.5% to 73.5% by weight of 1,1,2-trifluoroethane, from 26.5% to 27.5% by weight of 2-chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l ,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1 , 1,2,2-tetrafluoroethane based on the total weight of said composition; and having a boiling point of 21°C to 22°C at a pressure of 2 bara.
De manière plus particulièrement privilégiée, ladite composition azéotropique consiste en 73% en poids de 1,1,2-trifluoroéthane et 27% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 21,5°C à une pression de 2 bara. La [Fig. 4] représente l'évolution de la température de bulle et de la température de rosée en fonction de la teneur massique en 1,1,2-trifluoroéthane pour le binaire l,l,2-trifluoroéthane/2- chloro-l,l,l-trifluoroéthane à une pression de 1 à 6 bara. More particularly preferably, said azeotropic composition consists of 73% by weight of 1,1,2-trifluoroethane and 27% by weight of 2-chloro-l,l,l-trifluoroethane based on the total weight of said composition; and has a boiling point of 21.5°C at a pressure of 2 bara. The [Fig. 4] represents the evolution of the bubble temperature and the dew temperature as a function of the mass content of 1,1,2-trifluoroethane for the binary l,l,2-trifluoroethane/2-chloro-l,l, l-trifluoroethane at a pressure of 1 to 6 bara.
La présence de compositions azéotropiques ou quasi-azéotropiques telles que définies dans la présente invention sont confirmées par les données issues des [Fig. 3] et [Fig. 4] Les volatilités relatives de chacune des compositions présentées dans les figures 3 et 4 ont été calculées à l'équilibre liquide-vapeur. The presence of azeotropic or quasi-azeotropic compositions as defined in the present invention are confirmed by the data from [Fig. 3] and [Fig. 4] The relative volatilities of each of the compositions shown in Figures 3 and 4 were calculated at liquid-vapor equilibrium.
Selon un autre mode de réalisation préféré, ladite composition quasi-azéotropique comprend, de préférence consiste en, de 0,01% à 0,06% en poids de 1,1,2-trifluoroéthane et de 99,94% à 99,99% en poids de 2-chloro-l,l,l-trifluoroéthane sur base du poids total de ladite composition. De préférence, ladite composition quasi-azéotropique comprend, de préférence consiste en, de 0,01% à 0,06% en poids de 1,1,2-trifluoroéthane et de 99,94% à 99,99% en poids de 2-chloro-According to another preferred embodiment, said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane and from 99.94% to 99.99% by weight of 2-chloro-1,1,1-trifluoroethane based on the total weight of said composition. Preferably, said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane and from 99.94% to 99.99% by weight of 2 -chloro-
1.1.1-trifluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 62°C à 66°C à une pression de 6 bara. En particulier, ladite composition quasi-azéotropique comprend, de préférence consiste en, de 0,01% à 0,06% en poids de 1,1,2-trifluoroéthane, de 99,94% à 99,99% en poids de 2-chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en 1-chloro-1.1.1-trifluoroethane based on the total weight of said composition; and has a boiling point of 62°C to 66°C at a pressure of 6 bara. In particular, said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane, from 99.94% to 99.99% by weight of 2 -chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of 1-chloro-
1.1.2-trifluoroéthane, 2-chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1-trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane,1.1.2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane, chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane,
1.1.1.2-tétrafluoroéthane, 1,1-difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 62°C à 66°C à une pression de 6 bara. Plus particulièrement, ladite composition quasi-azéotropique comprend, de préférence consiste en, de 0,01% à 0,06% en poids de 1,1,2-trifluoroéthane, de 99,94% à 99,99% en poids de 2- chloro-l,l,l-trifluoroéthane et optionnellement le complément en au moins un des composés additionnels sélectionnés parmi le groupe consistant en l-chloro-l,l,2-trifluoroéthane, 2- chloro-l,l,2-trifluoroéthane, chlorotrifluoroéthylène, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,1-difluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1- difluoroéthylène et 1,1,2,2-tétrafluoroéthane sur base du poids total de ladite composition ; et a un point d'ébullition de 63,5°C à 64°C à une pression de 6 bara. 1.1.1.2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2,2-tetrafluoroethane based on the total weight of said composition; and has a boiling point of 62°C to 66°C at a pressure of 6 bara. More particularly, said quasi-azeotropic composition comprises, preferably consists of, from 0.01% to 0.06% by weight of 1,1,2-trifluoroethane, from 99.94% to 99.99% by weight of 2 - chloro-l,l,l-trifluoroethane and optionally the balance of at least one of the additional compounds selected from the group consisting of l-chloro-l,l,2-trifluoroethane, 2-chloro-l,l,2-trifluoroethane , chlorotrifluoroethylene, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethylene and 1,1,2 ,2-tetrafluoroethane based on the total weight of said composition; and has a boiling point of 63.5°C to 64°C at a pressure of 6 bara.

Claims

Revendications Claims
1. Composition azéotropique ou quasi-azéotropique comprenant du chlorotrifluoroéthylène et au moins l'un des composés sélectionnés parmi le groupe consistant en 1,1,1. Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,
2-trifluoroéthane, 1,1-difluoroéthane ou un mélange des deux ; caractérisé en ce qu'elle contient au moins 50% en poids de chlorotrifluoroéthylène sur base du poids total de ladite composition. 2-trifluoroethane, 1,1-difluoroethane or a mixture of both; characterized in that it contains at least 50% by weight of chlorotrifluoroethylene based on the total weight of said composition.
Composition selon la revendication précédente caractérisé en ce que ladite composition a un point d'ébullition compris entre -40°C et 40°C à une pression comprise entre 0,5 bara et 8 bara. Composition according to the preceding claim, characterized in that the said composition has a boiling point of between -40°C and 40°C at a pressure of between 0.5 bara and 8 bara.
3. Composition selon l'une quelconque des revendications précédentes caractérisé en ce que ladite composition comprend également au moins un des composés additionnels sélectionnés parmi le groupe consistant en 2-chloro-l,l,l-trifluoroéthane, 2-chloro-3. Composition according to any one of the preceding claims, characterized in that the said composition also comprises at least one of the additional compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, 2-chloro-
1.1.2-trifluoroéthane, l-chloro-l,l,2-trifluoroéthane, trifluoroéthylène, HF, HCl, 1,1,1- trifluoroéthane, 1,2-difluoroéthane, 1,1,1,2-tétrafluoroéthane, 1,1-difluoroéthylène,1.1.2-trifluoroethane, l-chloro-l,l,2-trifluoroethane, trifluoroethylene, HF, HCl, 1,1,1-trifluoroethane, 1,2-difluoroethane, 1,1,1,2-tetrafluoroethane, 1, 1-difluoroethylene,
1.1.2.2-tétrafluoroéthane. 1.1.2.2-tetrafluoroethane.
4. Composition selon l'une quelconque des revendications précédentes caractérisé en ce qu'elle contient au plus 20% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. 4. Composition according to any one of the preceding claims, characterized in that it contains at most 20% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
5. Composition selon l'une quelconque des revendications précédentes caractérisé en ce qu'elle contient au plus 50% en poids de 1,1-difluoroéthane sur base du poids total de ladite composition. 5. Composition according to any one of the preceding claims, characterized in that it contains at most 50% by weight of 1,1-difluoroethane based on the total weight of said composition.
6. Composition azéotropique ou quasi-azéotropique comprenant 1,1,2-trifluoroéthane et au moins l'un des composés sélectionnés parmi le groupe consistant en 2-chloro-l,l,l- trifluoroéthane, l-chloro-l,l,2-trifluoroéthane ou un mélange des deux. 6. Azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-l,l,l-trifluoroethane, l-chloro-l,l, 2-trifluoroethane or a mixture of the two.
7. Composition selon la revendication précédente caractérisé en ce que ladite composition a un point d'ébullition compris entre -10°C et 70°C à une pression comprise entre 0,5 bara et 8 bara. 7. Composition according to the preceding claim, characterized in that the said composition has a boiling point of between -10°C and 70°C at a pressure of between 0.5 bara and 8 bara.
8. Composition selon l'une quelconque des revendications précédentes 6 ou 7 caractérisé en ce qu'elle contient entre 35% et 99,99% en poids de 1,1,2-trifluoroéthane sur base du poids total de ladite composition. 8. Composition according to any one of the preceding claims 6 or 7, characterized in that it contains between 35% and 99.99% by weight of 1,1,2-trifluoroethane based on the total weight of said composition.
9. Composition selon l'une quelconque des revendications précédentes 6 à 8 caractérisé en ce qu'elle contient au plus 65% en poids de 2-chloro-l,l,l-trifluoroéthane ; ou au plus 38% en poids de l-chloro-l,l,2-trifluoroéthane. 9. Composition according to any one of the preceding claims 6 to 8, characterized in that it contains at most 65% by weight of 2-chloro-l,l,l-trifluoroethane; or at most 38% by weight of 1-chloro-1,1,2-trifluoroethane.
EP22735011.3A 2021-06-07 2022-06-03 Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane Pending EP4352031A1 (en)

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PCT/FR2022/051053 WO2022258915A1 (en) 2021-06-07 2022-06-03 Azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and/or 1,1,2-trifluoroethane

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