Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1978-04-21
1980-04-29
Hamrock, William F.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
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
Itoh Jun-ichi
Nakahara Akihiko
Onoue Yasuharu
Sata Toshikatsu
Hamrock William F.
Tokuyama Soda Kabushiki Kaisha
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