Title: Process for the preparation of arylene fluorinated sulfonimide polymers and membranes

Abstract

Aromatic sulfonimide ionene polymers useful as membranes in electrochemical cells are prepared.

Inventors:

Teasley, Mark F ^[1]

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+ Show Inventor Affiliations

1. Landenberg, PA

Issue Date:

2011-03-22

Research Org.:

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

Sponsoring Org.:

USDOE

OSTI Identifier:

1016160

Patent Number(s):

7910653

Application Number:

US Patent Application 11/865,084

Assignee:

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

Patent Classifications (CPCs):

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07D - HETEROCYCLIC COMPOUNDS

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

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C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07D - HETEROCYCLIC COMPOUNDS

C07D333/76 - Dibenzothiophenes

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

C08G2650/48 - containing fluorine, e.g. perfluropolyethers
C08G65/30 - Post-polymerisation treatment, e.g. recovery, purification, drying

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DOE Contract Number:  

FC04-02AL67606

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

59 BASIC BIOLOGICAL SCIENCES