Title: Partially fluorinated cyclic ionic polymers and membranes

Abstract

Ionic polymers are made from selected partially fluorinated dienes, in which the repeat units are cycloaliphatic. The polymers are formed into membranes.

Inventors:

Yang, Zhen-Yu

Issue Date:

Tue Apr 09 00:00:00 EDT 2013

Research Org.:

E I du Pont de Nemours and Company (Wilmington, DE)

Sponsoring Org.:

USDOE

OSTI Identifier:

1083795

Patent Number(s):

8415070

Application Number:

11/955,498

Assignee:

E I du Pont de Nemours and Company (Wilmington, DE)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J39/20 - obtained by reactions only involving unsaturated carbon-to-carbon bonds

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

C08F214/18 - Monomers containing fluorine

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08J - WORKING-UP

C08J2327/12 - containing fluorine atoms
C08J2327/18 - Homopolymers or copolymers of tetrafluoroethylene
C08J5/22 - Films, membranes, or diaphragms {
C08J5/2237 - {containing fluorine}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

H01M2008/1095 - {Fuel cells with polymeric electrolytes}
H01M2300/0082 - Organic polymers
H01M8/1023 - having only carbon, e.g. polyarylenes, polystyrenes or polybutadiene-styrenes
H01M8/1025 - having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
H01M8/1039 - halogenated, e.g. sulfonated polyvinylidene fluorides
H01M8/1072 - by chemical reactions, e.g. in situ polymerisation or in situ crosslinking

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DOE Contract Number:  

FC04-02AL67606

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE