C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/32, 402/5
C08J 5/22 (2006.01)
Patent
CA 1112820
MELT PROCESSING OF FLUORINATED POLYMERS Abstract of the disclosure: In performing melt processing of a fluorinated polymer which contains such pendant functional groups as sulfonic acid, carboxylic acid, sulfonamide and salts thereof, an aqueous medium is allowed to be present in the polymer to improve its melt-flow characteristic. Excellent heat sealing can be effected without degradation of the polymer. This method is particularly suitable for repairing the damaged ion-exchange membrane of fluorinated polymer used in electrolysis of sodium chloride to enable elongation of its life to a great economical advantage.
327694
Miyauchi Hirotsugu
Sagami Hiroshi
Tsushima Sakae
Asahi Kasei Kogyo Kabushiki Kaisha
Ridout & Maybee Llp
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