Electrolysis cell diaphragms and process for producing the same

Details Electrolysis cell diaphragms and process for producing the same Electrolysis cell diaphragms and process for producing the same

C - Chemistry, Metallurgy

25

B

18/18, 204/201

C25B 13/06 (2006.01) C25B 13/04 (2006.01)

Patent

CA 1037671

Abstract of the Disclosure A uniform, porous, homogeneous diaphragm for use in electrolysis cells is provided by bringing together a homo- geneous, stable suspension of asbestos fibers in water and a fluorinated polymeric resin latex with a pore-forming agent in the presence of a sulfonated anionic surfactant, the resulting suspension being shaped to the desired form of the diaphragm by filtration, the desired shape of the diaphragm then being dried and sintered at a temperature above the crystalline melting point of the fluorinated polymeric resin, the pore-forming agent finally being removed from the resulting diaphragm by decomposition or extraction.

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