Patent ID: 6545070
Filing Date: 2003-04-08
Classification: B29B,B29K,C08C,C08F,Y02W

Abstract:
A polymer electrolyte, comprising:a water-soluble polystyrene polymer and a stabilizer; and wherein the polymer electrolyte further comprises an ionic group comprising at least one of a sulfonic acid, sulfonate, carboxylic acid, carboxylate, â€”PO(OH)2 salt, â€”CH2PO(OH)2, and CH2PO(OH)2 salt, and wherein the polymer electrolyte comprises 0.002 to 10 parts stabilizer per 100 parts polystyrene polymer wherein the stabilizer is selected from the group consisting of a phenol oxidation preventative agent, a sulphur oxidation preventative agent, a phosphor oxidation preventative agent, erysorbic acid, erysorbic acid soda, isopropyl citrate and mixtures thereof.