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RU93041772A - METHOD OF OBTAINING 1,1,1-TRIFTOR-2-CHLORETHANE - Google Patents

METHOD OF OBTAINING 1,1,1-TRIFTOR-2-CHLORETHANE

Info

Publication number
RU93041772A
RU93041772A RU93041772/04A RU93041772A RU93041772A RU 93041772 A RU93041772 A RU 93041772A RU 93041772/04 A RU93041772/04 A RU 93041772/04A RU 93041772 A RU93041772 A RU 93041772A RU 93041772 A RU93041772 A RU 93041772A
Authority
RU
Russia
Prior art keywords
triftor
chlorethane
obtaining
trichloroethylene
hydrofluorination
Prior art date
Application number
RU93041772/04A
Other languages
Russian (ru)
Other versions
RU2109720C1 (en
Inventor
Кудзато Паоло
Original Assignee
Аусимонт С.п.А.
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
Priority claimed from ITMI921991A external-priority patent/IT1255781B/en
Application filed by Аусимонт С.п.А. filed Critical Аусимонт С.п.А.
Publication of RU93041772A publication Critical patent/RU93041772A/en
Application granted granted Critical
Publication of RU2109720C1 publication Critical patent/RU2109720C1/en

Links

Claims (1)

При получении 1,1,1-трифторо-2-хлороэтана (HCFC 133а) посредством гидрофторирования в газовой фазе трихлороэтилена (ТХЭ) в присутствии носимого катализатора на основе Cr2O3 возможно продлить срок службы катализатора подачей в реактор для гидрофторирования параллельно с трихлороэтиленом небольших количеств (7 - 25 моль % по отношению к смеси с трихлороэтиленом) 133а.Upon receipt of 1,1,1-trifluoro-2-chloroethane (HCFC 133a) by hydrofluorination in the gas phase of trichloroethylene (TCE) in the presence of a wearable catalyst based on Cr 2 O 3 it is possible to extend the service life of the catalyst by feeding into the reactor for hydrofluorination in parallel with small trichloroethylene quantities (7-25 mol% relative to the mixture with trichloroethylene) 133a.
RU93041772A 1992-08-14 1993-08-12 Method of synthesis of 1,1,1-trifluoro-2-chloroethane RU2109720C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI92A001991 1992-08-14
ITM192A001991 1992-08-14
ITMI921991A IT1255781B (en) 1992-08-14 1992-08-14 PROCEDURE FOR PREPARING 1,1,1-TRIFLUORO-2-CHLOROETHANE

Publications (2)

Publication Number Publication Date
RU93041772A true RU93041772A (en) 1996-04-27
RU2109720C1 RU2109720C1 (en) 1998-04-27

Family

ID=11363873

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93041772A RU2109720C1 (en) 1992-08-14 1993-08-12 Method of synthesis of 1,1,1-trifluoro-2-chloroethane

Country Status (12)

Country Link
US (1) US6307114B1 (en)
EP (1) EP0583703B1 (en)
JP (1) JP3300120B2 (en)
KR (1) KR100268076B1 (en)
AT (1) ATE166639T1 (en)
CA (1) CA2104030A1 (en)
DE (1) DE69318772T2 (en)
HR (1) HRP931117B1 (en)
IT (1) IT1255781B (en)
RU (1) RU2109720C1 (en)
SI (1) SI9300428B (en)
TW (1) TW229200B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754816B1 (en) * 1996-10-18 1998-12-04 Atochem Elf Sa PROCESS FOR THE PURIFICATION OF HYDROGENOCHLOROFLUOROETHANES
FR2805534B1 (en) * 2000-02-29 2002-05-17 Atofina PROCESS FOR THE PREPARATION OF 1,1,1-TRIFLUORO-2,2-DICHLOROETHANE
JP4590130B2 (en) * 2001-06-14 2010-12-01 東ソー株式会社 Catalyst for producing 1,1,1-trifluoro-2-chloroethane, method for producing the same, and method for producing 1,1,1-trifluoro-2-chloroethane using the same
FR2828193B1 (en) * 2001-08-03 2004-04-02 Atofina NEW PROCESS FOR THE PREPARATION OF 1,1,1, -TRIFLUORO-2,2-DICHLOROETHANE
CN101402547B (en) * 2008-11-13 2011-09-28 山东华安新材料有限公司 Method for preparing chloro-trifluoro-ethane

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637747A (en) 1948-01-23 1953-05-05 Purdue Research Foundation Fluorination
US2885427A (en) * 1956-11-15 1959-05-05 Dow Chemical Co Fluorination of trichloroethylene
GB881003A (en) 1958-05-07 1961-11-01 Ici Ltd Improvements in the manufacture of organic halogen compounds
NL274475A (en) * 1962-02-07
GB1000485A (en) 1962-02-07 1965-08-04 Sicedison Spa Improvements in or relating to the fluorination of halo-olefines
DE1224732B (en) 1962-11-08 1966-09-15 Du Pont Process for the production of vinyl fluoride and 1,1-difluoroethane
GB1307224A (en) 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
US3752850A (en) 1970-12-24 1973-08-14 Hoechst Ag Fluorination of aliphatic compounds
IT1202652B (en) * 1987-03-09 1989-02-09 Ausimont Spa PROCESS FOR THE PREPARATION OF 1,1,1-TRIFLUORO-2,2-DICHLOROETHANE BY HYDROFLUORATION IN THE PRESENCE OF CATALYSTS
AU622295B2 (en) * 1989-02-03 1992-04-02 E.I. Du Pont De Nemours And Company Manufacture of 1,1,1,2-tetrafluoroethane
US5185482A (en) * 1989-02-03 1993-02-09 E. I. Du Pont De Nemours And Company Manufacture of 1,1,1,2-tetrafluoroethane
IT1230779B (en) * 1989-07-12 1991-10-29 Ausimont Srl PROCEDURE FOR PREPARING 1,1,1,2 TETRAFLUOROETHANE.
US5334786A (en) * 1990-03-13 1994-08-02 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
AU645063B2 (en) * 1990-03-13 1994-01-06 Daikin Industries, Ltd. Process for preparing 1,1,1,2-tetrafluoroethane
GB9007029D0 (en) * 1990-03-29 1990-05-30 Ici Plc Chemical process

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