Crosslinked hydrophilic copolymers, their preparation and...

Details Crosslinked hydrophilic copolymers, their preparation and... Crosslinked hydrophilic copolymers, their preparation and...

C - Chemistry, Metallurgy

08

F

402/320, 402/353

C08F 230/02 (2006.01) A61L 15/00 (2006.01) A61L 15/60 (2006.01) C04B 24/00 (2006.01) C04B 24/28 (2006.01) C08F 246/00 (2006.01) D06P 1/52 (2006.01)

Patent

CA 1225794

23233-197 ABSTRACT OF THE DISCLOSURE The invention provides crosslinked copolymers in which crosslinking is effected via bridge members of the formula I Image (I) wherein R1 and R2 independently of one another denote hydrogen or alkyl with 1 to 4 C atoms and m represents a number from 0 to 6. The copolymers are prepared by copolymerisation of known monomers with vinylphosphonic acid (ester)-anhydrides. The new copolymers are suitable for the preparation of acid-soluble coatings and encapsulation materials, as dyeing auxiliaries, cement auxiliaries and absorption agents for aqueous liquids.

452440

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