Patent ID: 6147157
Filing Date: 2000-11-14
Classification: C08G,C08K,C08L,C09D

Abstract:
A water-base silicone composition which comprises, as uniformly dissolved or dispersed in an aqueous medium:(A) 100 parts by weight of a diorganopolysiloxane of a linear molecular structure having a complex viscosity in the range from 1.times.10.sup.4 to 1.times.10.sup.8 centipoise at 25.degree. C. and represented by the general structural formulaR.sup.2 O--SiR.sup.1.sub.2 --O--(--SiR.sup.1.sub.2 --O--).sub.p --SiR.sup.1.sub.2 -OR.sup.2,in which R.sup.1 is an unsubstituted or substituted monovalent hydrocarbon group having 1 to 20 carbon atoms, R.sup.2 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms and the subscript p is a positive integer in the range from 800 to 20000;(B) from 0.01 to 10 parts by weight of an organotrialkoxy silane compound represented by the general formulaR.sup.3 Si(OR.sup.4).sub.3,in which R.sup.3 is an unsubstituted or substituted monovalent hydrocarbon group having 1 to 20 carbon atoms and R.sup.4 is a monovalent hydrocarbon group having 1 to 6 carbon atoms or a partial hydrolysis-condensation product thereof;(C) from 1 to 10 parts by weight of an organoalkoxy silane compound containing an amido group and a carboxyl group in the molecule or a partial hydrolysis-condensation product thereof;(D) from 1 to 10 parts by weight of an organoalkoxy silane compound containing an epoxy group in the molecule or a partial hydrolysis-condensation product thereof; and(E) from 0.01 to 10 parts by weight of a curing catalyst.