New improved ion exchange membranes, their methods of...

Details New improved ion exchange membranes, their methods of... New improved ion exchange membranes, their methods of...

C - Chemistry, Metallurgy

07

C

C07C 311/48 (2006.01) B01J 39/18 (2006.01) C07C 317/18 (2006.01) C07C 317/22 (2006.01) C07D 317/42 (2006.01) C08F 16/32 (2006.01) C08J 5/22 (2006.01) C25B 1/24 (2006.01) C25B 13/04 (2006.01) C25B 13/08 (2006.01) H01M 2/16 (2006.01) H01M 2/26 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2228466

Di-functional monomers of general formula [T~SO2~Y~SO2T']-M+ where: - T or T' are identical or different and each represent an organic radical having at least one polymerization-active function; - M+ represents a cation, inorganic or organic, preferably chosen among: H+, Li+, Na+, K+, 1/2Mg2+, 1/2Ca2+, 1/2Ba2+, 1/2Zn2+ and other transition metals, 1/3La3+ and other rare earths, ammonium, amidinium, pyridinium, imidazolium, guanidinium, sulfonium, phosphonium, iodonium, organometallic cations, all possibly including coordination ligands.... - Y represents N (nitrogen), CH, or CQ. - Q represents an alkyl or alkylene with 1 to 20 carbons, halogenated or not, possibly having aza or oxa substituents, or T or an alkyl- or an alkylene- sulfonyl group, with 1 to 20 carbons, halogenated or not, possibly having aza or oxa substituents.

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