Patent ID: 6703453
Filing Date: 2004-03-09
Classification: C07F,C08G,C08K,C09D,C09K

Abstract:
A polyurethane composition which cross-links via silane polycondensation and comprisesA) at least one alkoxysilane-functional polyurethane having end groups corresponding to formula (I) â€ƒwherein R1 represents an organic group having 1 to 12 carbon atoms, n is an integer from 2 to 4 and X, Y, Z represent identical or different organic groups, provided that at least one of the groups is an alkoxy group having 1 to 4 carbon atoms, B) at least one filler, C) at least one reaction product of i) at least one aminosilane corresponding to formula (II) â€ƒwherein R2 represents an aminoethyl group n is an integer from 2 to 4 X, Y, Z have the meanings set forth for formula (I), with ii) at least one maleic or fumaric ester corresponding to formula (III) R3OOCâ€”CH&boxH;CHâ€”COOR3â€ƒâ€ƒ(III), â€ƒwherein R3 represents an alkyl group having 1 to 12 carbon atoms, and D) at least one organometallic compound.