AU1831397A - Method for gas phase sulfonation of polymer membranes - Google Patents

Method for gas phase sulfonation of polymer membranes

Info

Publication number
AU1831397A
AU1831397A AU18313/97A AU1831397A AU1831397A AU 1831397 A AU1831397 A AU 1831397A AU 18313/97 A AU18313/97 A AU 18313/97A AU 1831397 A AU1831397 A AU 1831397A AU 1831397 A AU1831397 A AU 1831397A
Authority
AU
Australia
Prior art keywords
gas phase
polymer membranes
phase sulfonation
sulfonation
membranes
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.)
Abandoned
Application number
AU18313/97A
Inventor
Jerome F. Ditter
Charles S. Hoffman Jr.
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.)
Pall Filtration and Separations Group Inc
Original Assignee
Memtec America Corp
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 Memtec America Corp filed Critical Memtec America Corp
Publication of AU1831397A publication Critical patent/AU1831397A/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20—Polysulfones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/14—Chemical modification with acids, their salts or anhydrides
AU18313/97A 1996-01-16 1997-01-16 Method for gas phase sulfonation of polymer membranes Abandoned AU1831397A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US009976 1987-02-02
US997696P 1996-01-16 1996-01-16
PCT/US1997/000773 WO1997026284A1 (en) 1996-01-16 1997-01-16 Method for gas phase sulfonation of polymer membranes

Publications (1)

Publication Number Publication Date
AU1831397A true AU1831397A (en) 1997-08-11

Family

ID=21740801

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18313/97A Abandoned AU1831397A (en) 1996-01-16 1997-01-16 Method for gas phase sulfonation of polymer membranes

Country Status (2)

Country Link
AU (1) AU1831397A (en)
WO (1) WO1997026284A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804536C2 (en) * 1998-02-05 2003-04-10 Inst Polymerforschung Dresden Method for oxygenating blood
FI107932B (en) * 1999-02-16 2001-10-31 Mikael Paronen Polymer membranes and process for their preparation
US6559237B1 (en) * 2000-06-05 2003-05-06 3M Innovative Properties Company Sulfonated perfluorocyclobutane ion-conducting membranes
US20020148774A1 (en) * 2001-02-06 2002-10-17 I-Fan Wang Asymmetric hydrophilic membrane by grafting
JP4106983B2 (en) 2002-03-25 2008-06-25 住友化学株式会社 Aromatic polymer, production method thereof and use thereof
GB2445854A (en) * 2007-01-16 2008-07-23 Sulfo Technologies Llc Hydrophilic polymer substrates
EP2144695A4 (en) * 2007-01-24 2011-06-08 Whatman Inc Modified porous membranes, methods of membrane pore modification, and methods of use thereof
US9254466B2 (en) * 2014-06-30 2016-02-09 Pall Corporation Crosslinked cellulosic membranes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE731492A (en) * 1968-05-25 1969-09-15
US4634530A (en) * 1980-09-29 1987-01-06 Celanese Corporation Chemical modification of preformed polybenzimidazole semipermeable membrane
GB8513114D0 (en) * 1985-05-23 1985-06-26 Ici Plc Membranes

Also Published As

Publication number Publication date
WO1997026284A1 (en) 1997-07-24

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