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FR2710550B1 - High selectivity asymmetric membranes for gas separation and a process for manufacturing. - Google Patents

High selectivity asymmetric membranes for gas separation and a process for manufacturing.

Info

Publication number
FR2710550B1
FR2710550B1 FR9411425A FR9411425A FR2710550B1 FR 2710550 B1 FR2710550 B1 FR 2710550B1 FR 9411425 A FR9411425 A FR 9411425A FR 9411425 A FR9411425 A FR 9411425A FR 2710550 B1 FR2710550 B1 FR 2710550B1
Authority
FR
France
Prior art keywords
manufacturing
gas separation
high selectivity
asymmetric membranes
selectivity asymmetric
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.)
Expired - Fee Related
Application number
FR9411425A
Other languages
French (fr)
Other versions
FR2710550A1 (en
Inventor
Rene Avrillon
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 FR9311549A external-priority patent/FR2710549B1/en
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR9411425A priority Critical patent/FR2710550B1/en
Publication of FR2710550A1 publication Critical patent/FR2710550A1/en
Application granted granted Critical
Publication of FR2710550B1 publication Critical patent/FR2710550B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1039Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1042Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR9411425A 1993-09-27 1994-09-22 High selectivity asymmetric membranes for gas separation and a process for manufacturing. Expired - Fee Related FR2710550B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9411425A FR2710550B1 (en) 1993-09-27 1994-09-22 High selectivity asymmetric membranes for gas separation and a process for manufacturing.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9311549A FR2710549B1 (en) 1993-09-27 1993-09-27 High selectivity asymmetric membranes for the separation of gases and a process for their production.
FR9411425A FR2710550B1 (en) 1993-09-27 1994-09-22 High selectivity asymmetric membranes for gas separation and a process for manufacturing.

Publications (2)

Publication Number Publication Date
FR2710550A1 FR2710550A1 (en) 1995-04-07
FR2710550B1 true FR2710550B1 (en) 1998-02-27

Family

ID=26230632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9411425A Expired - Fee Related FR2710550B1 (en) 1993-09-27 1994-09-22 High selectivity asymmetric membranes for gas separation and a process for manufacturing.

Country Status (1)

Country Link
FR (1) FR2710550B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193634A1 (en) * 1972-07-20 1974-02-22 Du Pont Polyimide semi-permeable membranes
US4307135A (en) * 1980-04-08 1981-12-22 The United States Of America As Represented By The Secretary Of The Interior Process for preparing an asymmetric permselective membrane
US4705540A (en) * 1986-04-17 1987-11-10 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4717394A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US5042993A (en) * 1990-07-24 1991-08-27 Air Products And Chemicals, Inc. Gas separating membranes from polyimide polymers
JPH057749A (en) * 1991-04-15 1993-01-19 Nitto Denko Corp Fluorine-containing polyimide type composite membrane and asymmetric membrane, preparation of them and gas separating/concentrating method using said membranes

Also Published As

Publication number Publication date
FR2710550A1 (en) 1995-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20060531