C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
18/13, 402/321,
C08F 228/02 (2006.01) C07C 309/82 (2006.01) C07C 309/84 (2006.01) C07C 317/18 (2006.01) C07C 323/12 (2006.01) C07D 327/04 (2006.01) C08F 8/04 (2006.01) C08F 8/12 (2006.01) C08F 214/08 (2006.01) C08F 214/18 (2006.01) C08F 214/26 (2006.01) C08F 216/14 (2006.01) C08J 5/22 (2006.01) C25B 13/08 (2006.01)
Patent
CA 1148566
Abstract A novel fluorinated copolymer is prepared by copolymerization of a fluorinated olefin with a novel sulfur containing fluorinated vinylether of the formula: Image wherein k is 0 or 1 and l is an integer of 3 to 5, which is prepared from starting materials which are also novel. Said copolymer is useful for preparation of a fluorinated cation exchange membrane having carboxylic acid groups and/or sulfonic acid groups which can be used advantageously in electrolysis of an aqueous alkali metal halide solution with improved electrolysis performance.
352704
Ebisawa Mikio
Hane Toshioki
Kimoto Kyoji
Miyauchi Hirotsugu
Ohmura Jukichi
Asahi Kasei Kogyo Kabushiki Kaisha
Ridout & Maybee Llp
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