Patent ID: 6403163
Filing Date: 2002-06-11
Classification: C04B,C09D

Abstract:
A method of treating the surface of a mineral substrate used in the construction industry selected from the group consisting of brick, cured concrete, sewer pipe, hollow block, cured mortar, stucco, decorative stone, roofing tile, highway surfaces, bridges, concrete, stone brick building exteriors, brick building exteriors, footings, and retaining walls, by applying to the surface of the mineral substrate a composition comprising a mixture formed by combining (i) water or a solvent; (ii) a methylhydrogensiloxane polymer or copolymer; (iii) an alkoxysilane having the formula RaSi(OR1)4âˆ’a in which R represents an alkyl-group containing 1-10 carbon atoms, an alkenyl group containing 2-8 carbon atoms, an aryl group, or an haloalkyl group, a has a value of 1 or 2, and R1 represents an alkyl group containing 1-6 carbon atoms; (iv) a silicone resin; and (v) a volatile methyl siloxane or a cationic oil-in-water emulsion of an aminofunctional polydimethylsiloxane.