Patent ID: 6387997
Filing Date: 2002-05-14
Classification: C08F,C08G,C09D

Abstract:
An aqueous dispersion comprising polymeric microparticles comprising the following components:(A) at least one functional group-containing reaction product of polymerizable, ethylenically unsaturated monomers; (B) at least one reactive functional group-containing organopolysiloxane having the following structure (II) or (III): wherein m has a value of at least 1; each of (n+m) and (n+mâ€²) ranges from 2 to 3; R is selected from the group consisting of H, OH and monovalent hydrocarbon groups bonded to the silicon atoms; and Ra comprises the following structure (IV): R1â€”Xâ€ƒâ€ƒ(IV) wherein R1 is alkylene, oxyalkylene or alkylene aryl; and X comprises a functional group-containing moiety; and (C) at least one hydrophobic crosslinking agent comprising functional groups reactive with the functional groups of (A) and/or (B), said hydrophobic crosslinking agent comprising at least one compound selected from blocked isocyanates, aminoplast resins, and mixtures thereof.