Process for the production of a cation exchange diaphragm...

Details Process for the production of a cation exchange diaphragm... Process for the production of a cation exchange diaphragm...

C - Chemistry, Metallurgy

08

J

18/13, 204/202

C08J 5/22 (2006.01)

Patent

CA 1180520

ABSTRACT OF THE DISCLOSURE Cation exchanger diaphragm which can in particular be used as a solid electrolyte. This diaphragm comprises a grafted copolymer film, particularly polyethylene grafted by styrene and has an exchange capacity exceeding 0.5 meq/g, a resistivity below 100 .OMEGA. .cm, a swelling in water exceeding 30% compared with the dry mass and a permeability relative to oxygen and hydrogen such that in the electrolysis of water these two gases are obtained with a purity level exceeding 98%.

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