Production of porous diaphragm for electrolytic cell

Details Production of porous diaphragm for electrolytic cell Production of porous diaphragm for electrolytic cell

C - Chemistry, Metallurgy

08

J

204/91.35

C08J 9/36 (2006.01) C25B 1/46 (2006.01) C25B 13/08 (2006.01)

Patent

CA 1163955

MD 31348 ABSTRACT A process for the production of a porous diaphragm suitable for use in an electrolytic cell, particularly a chlor-alkali cell, characterised in that the process comprises irradiating a porous shaped article of an organic polymeric material, for example, a sheet of a fluoropolymer, with high energy radiation, the irradiation being effected in the presence of, or the irradiated shaped article being subsequently contacted with, a reactant selected from ammonia, carbon monoxide and phosgene, and the sheet preferably being subsequently contacted with an aqueous alkaline solution.

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