Organic solution of fluorinated copolymer having carboxylic acid groups
AssigneeAsahi Glass Company, Limited
InventorsHaruhisa Miyake, Yoshio Sugaya, Tatsuro Asawa
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Abstract
An organic solution of a fluorinated copolymer having carboxylic acid groups comprises the copolymer of fluorinated ethylenically unsaturated monomer and a functional monomer having carboxylic acid group (--COOH group) dissolved in a hydrophilic organic solvent with a small amount of water.
Claims5
A process for preparing a solution comprising mixing the polymer of fluorinated ethylenically unsaturated monomer selected from the group consisting of tetrafluoroethylene, trifluorochloroethylene, hexafluoropropylene, trifluoroethylene, vinylidene fluoride and vinyl fluoride and a functional monomer having a carboxylic acid group (--COOH group) with a hydrophilic organic solvent selected from the group consisting of alcohols, ketones, organic acids, aldehydes and amines, containing 0.001 to 30 weight percent of water to form a solution.
Dependencies are inferred from the claim text.