Novel crosslinked polymeric substrates methods of...

C - Chemistry – Metallurgy – 08 – K

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C08K 5/541 (2006.01) C08J 5/00 (2006.01) C08K 5/54 (2006.01) C08K 5/5415 (2006.01) C08K 5/5419 (2006.01) C08L 33/06 (2006.01) C08L 79/00 (2006.01) C08L 79/08 (2006.01) C08L 101/12 (2006.01) C08L 101/14 (2006.01)

Patent

CA 2723187

A composition of matter wherein the composition comprises a siliceous substrate having silanols on the surface and a polymer selected from the group consisting essentially of a water soluble polymer, a water soluble copolymer, an alcohol soluble polymer, an alcohol soluble copolymer, and combinations of such polymers, wherein the polymer is chemically bonded to the siliceous substrate by a silane linking material having the general formula O3/2SiQY that is derived from an alkoxy-functional silane having the general formula (RO)3SiQX and processes for preparing the crosslinked polymer that is chemically bonded to the surface of the siliceous substrate.

L'invention porte sur une composition de matière dans laquelle la composition comprend un substrat siliceux ayant des silanols sur la surface et un polymère choisi dans le groupe constitué essentiellement par un polymère soluble dans l'eau, un copolymère soluble dans l'eau, un polymère soluble dans un alcool, un copolymère soluble dans un alcool et des combinaisons de tels polymères, le polymère étant chimiquement lié au substrat siliceux par une matière de liaison de type silane ayant la formule générale O3/2SiQY qui est issue d'un silane à fonctionnalité alcoxy ayant la formule générale (RO)3SiQX et sur des procédés de préparation du polymère réticulé qui est chimiquement lié à la surface du substrat siliceux.

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