Patent ID: 6090873
Filing Date: 2000-07-18
Classification: C03C,C04B,C08L,C09D

Abstract:
A coating resin composition comprising:(A) a silica-dispersed oligomer solution of organosilane prepared by partially hydrolyzing a hydrolyzable organosilane represented by a formulaR.sup.1.sub.n SiX.sub.4-n (I)with 0.001 to 0.5 mole of water per mole of the hydrolyzable functional group (X) in colloidal silica dispersed in an organic solvent, water or a mixture thereof,wherein R.sup.1 is a homo- or hetero-substituted or non-substituted univalent hydrocarbon group or phenyl group having a carbon number of 1 to 9, n is an integer of 0 to 3, and X is a hydrolyzable functional group;(B) an acrylic resin which is a copolymer comprising:at least one acrylate or methacrylate comonomer represented by a formulaCH.sub.2 .dbd.CR.sup.2 (COOR.sup.3) (II)wherein R.sup.2 is a hydrogen atom or a methyl group, and R.sup.3 is a substituted or non-substituted univalent hydrocarbon having a carbon number of 1 to 9;at least one acrylate or methacrylate comonomer represented by the formula (II) wherein R.sup.2 is a hydrogen atom or a methyl group, and R.sup.3 is an epoxy group, a glycidyl group or a hydrocarbon group containing an epoxy group, a glycidyl group or both; andat least one acrylate or methacrylate comonomer represented by the formula (II) wherein R.sup.2 is a hydrogen atom or a methyl group, and R.sup.3 is a hydrocarbon group containing an alkoxysilyl group and a halogenated silyl group; and(C) a curing catalyst.