Reinforced polymer electrolyte membrane

Details Reinforced polymer electrolyte membrane Reinforced polymer electrolyte membrane

2007-08-21

2007-08-21

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S212000, C525S231000, C525S328500, C525S540000

Reexamination Certificate

active

10712360

ABSTRACT:
A method is provided for making a reinforced polymer electrolyte membrane, such as may be used in electrolytic cells such as fuel cells, by mixing a sulfonate- or sulfonyl halide-functional polymer with a bisamidine compound and subsequently trimerizing the amidine groups of the bisamidine compound to form triazine linkages. The sulfonyl halide or sulfonate groups may then be converted to sulfonic acid groups, yielding a polymer electrolyte reinforced with a polytriazine.

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