Scratch- and abrasion-resistant coatings on polymeric surfaces

Details Scratch- and abrasion-resistant coatings on polymeric surfaces Scratch- and abrasion-resistant coatings on polymeric surfaces

C - Chemistry, Metallurgy

09

D

C09D 183/08 (2006.01)

Patent

CA 2653393

The present invention relates to a composition comprising a) at least one reaction product a1) of a silane of the general formula (I), where Y(1) = 3-glycidyloxypropyl- and R1, R2, R3 = identical or different alkyl groups having from 1 to 6 carbon atoms, and a2) a silane of the general formula (II), where Y(2) = N-2-aminoethyl-3-aminopropyl- or NH2(CH2)2NH(CH2)2NH(CH)3- and R'1, R'2, R'3 = identical or different alkyl groups having from 1 to 6 carbon atoms, and b) at least one inorganic filler and c) a solvent having a boiling point at a temperature <=85°C and d) water and e) a catalyst selected from among inorganic and organic acids, a process for producing a surface coating on a polymeric surface by applying the composition according to the invention and also articles which have at least one polymeric surface and have the surface coating according to the invention and their use.

La présente invention concerne une composition contenant a) au moins un produit de réaction de a1) un silane de formule générale (I), dans laquelle Y(1) représente le 3-glycidyloxypropyle et R1, R2 et R3 représentent des groupements alkyle identiques ou différents ayant de 1 à 6 atomes de carbone et de a2) un silane de formule générale (II), dans laquelle Y(2) représente le N-2-aminoéthyl-3-aminopropyle ou NH2(CH2)2NH(CH2)2NH(CH)3 et R'1, R'2 et R'3 représentent des groupements alkyle identiques ou différents ayant de 1 à 6 atomes de carbone, b) au moins une matière de remplissage inorganique, c) un solvant ayant un point d'ébullition d'une température inférieure ou égale à 85 °C, d) de l'eau et e) un catalyseur choisi parmi les acides organiques ou inorganiques, un procédé de fabrication d'un revêtement de surface sur une surface polymère par application de la composition selon l'invention, ainsi qu'un article comprenant au moins une surface polymère munie du revêtement de surface selon l'invention et son utilisation.

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