Patent ID: 6309708
Filing Date: 2001-10-30
Classification: C08K,C09D,Y02A

Abstract:
A method of stain-proofing a surface comprising applying to the surface a composition for paints which comprises (A) a stain-proofing agent comprising an oligomer of an organometallic compound represented by the formula (1) or a cooligomer comprising two or more of said organometallic compounds represented by the formula (1):M(OR.sup.1).sub.a (1)whereina is 3 or 4, M is Si when a is 4, and M is Al or B when a is 3,R.sup.1 are the same or different, and each is hydrogen atom, a siloxane residue or a monovalent organic group which has 1 to 1,000 carbon atoms and may contain oxvgen atom, nitrogen atom, fluorine atom and/or chlorine atom; provided that said organometallic compound excludes an organometallic compound represented by the formula (2): ##STR24##wherein n is an integer of 1 to 20, all of R.sup.15 are different or at least two of R.sup.15 are the same, each is a monovalent organic group which has 1 to 1,000 carbon atoms and may contain oxygen atom, nitrogen atom and/or silicon atom and a part or the whole of hvdrogen atoms of said organic group may be substituted by fluorine atom or fluorine atom and chlorine atom; (B) a resin for paints and (C) a curing agent and/or a curing catalyst.