C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
204/202
C08J 5/22 (2006.01) B32B 27/30 (2006.01) C08F 16/14 (2006.01) C25B 13/08 (2006.01)
Patent
CA 1133425
ABSTRACT OF THE DISCLOSURE Fluorinated ion exchange polymers which have pendant side chains which contain Image groups wherein W is F or CF3, and R is an inonizable group, or which have such pendant side chains and also pendant side chains which contain sulfonyl groups, when used in the form of membranes to separate the anode and cathode compartments of an electrolysis cell, permit opera- tion at high current efficiency. They can be made by copoly- merization of a mixture of monomers, one of which is a vinyl monomer which contains the indicated carboxylic funtional group.
301559
England David C.
Resnick Paul R.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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