Blood-compatible and bacteria-repellent nco-reactively...

Details Blood-compatible and bacteria-repellent nco-reactively... Blood-compatible and bacteria-repellent nco-reactively...

C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) A61L 29/08 (2006.01) A61L 31/00 (2006.01) A61L 31/10 (2006.01) A61L 33/00 (2006.01) A61L 33/06 (2006.01) C08F 8/30 (2006.01) C08F 8/32 (2006.01) C08F 220/04 (2006.01) C08F 222/02 (2006.01) C08F 228/02 (2006.01) C08G 18/62 (2006.01) C08J 7/04 (2006.01) C08J 7/12 (2006.01)

Patent

CA 2241380

The present invention relates to an NCO-reactively modified copolymer which comprises (a) at least one monomer containing sulfonate groups, (b) at least one monomer containing carboxyl groups and (c) at least one type of NCO-reactive group introduced after the copolymerization. The invention further provides a process for preparing the copolymer, a process for modifying a hydrophilic surface with the copolymer by reaction with a polyisocyanate and a product for medical use having a surface modified by the above process.

La présente invention concerne un copolymère modifié par réaction avec des groupements NCO-, comprenant a) au moins un monomère possédant des groupements sulfonates, b) au moins un monomère possédant des groupements carboxyles et c) au moins un type de groupements réactifs NCO-, introduits après la copolymérisation. On divulgue aussi un procédé de préparation de ce copolymère, un procédé pour modifier une surface hydrophile à l'aide de ce copolymère en le faisant réagir avec un polyisocyanate, et un produit à usage médical ayant une surface modifiée grâce à ce dernier procédé.

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