Modified polymers

Details Modified polymers Modified polymers

C - Chemistry, Metallurgy

08

F

182/13, 260/216,

C08F 18/10 (2006.01) B01D 71/18 (2006.01) B01D 71/82 (2006.01) C08B 3/10 (2006.01) C08B 3/16 (2006.01) C08B 13/00 (2006.01) C08F 8/14 (2006.01)

Patent

CA 1157195

3-11604/CGM 196/+ Modified Polymers Abstract of the Disclosure Polymers from the group consisting of cellulose and its ester and ether derivatives, of polyvinyl alcohol and its ester derivatives, copolymers with vinyl esters and homopolymers and copolymers of acrylates and methacrylates are modified with monofunctional or di- functional cyclic .beta.-ketonic acids or their esters, in particular with succinylsuccinic acid or its ester derivatives. The modified polymers are particularly suitable for obtaining semi-permeable membranes for osmotic separation methods.

321735

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