Patent ID: 6413446
Filing Date: 2002-07-02
Classification: C09D,Y10S,Y10T

Abstract:
An antifouling agent comprising:(A) from 10 to 70% by weight of at least one multifunctional carbosilane and/or carbosiloxane of formula (I): Q[(CH2)mSiR1nX(3âˆ’n)]pâ€ƒâ€ƒ(I) â€ƒand/or a partial condensation product thereof, wherein R1 is a C1-C16 alkyl and/or C8-C20 aryl, wherein R1 may represent radicals which are identical or different within the molecule, X is OH, C1-C4 alkoxy, C8-C20aryloxy, or C1-C6 acyloxy, n is 0 to 2, m is 2to 6, p is an integer &gE;2, and Q is either (i) a linear or cyclic silane or siloxane or (ii) an unsubstituted hydrocarbon or a hydrocarbon in which at least one carbon atom is substituted with at least one member of the group consisting of O, N, S, and P, (B) from 10 to 40% by weight of one or more alkoxysilanes, (C) from 20 to 60% by weight of an organic solvent and/or water, (D) a catalyst, (E) from 3 to 15% by weight of inorganic nanoparticles, (F) from 0 to 30% by weight of other additives.