Process for preparing fluorine-containing polymers having carbox

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525388, 525343, 525344, C08F 806

Patent

active

042007119

ABSTRACT:
A process for preparing a fluorine-containing polymer having carboxyl groups, which comprises subjecting a fluorine-containing polymer having sulfonyl halide groups bonded to it to an oxidation reaction at a temperature of not more than 250.degree. C.; and a process for electrolysis, using as a diaphragm a member of the polymer obtained by the above process.

REFERENCES:
patent: 4075184 (1978-02-01), Rechlicz

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