Patent ID: 6013682
Filing Date: 2000-01-11
Classification: C08J

Abstract:
A method of making a silicone in water emulsion comprising:mixing materials comprising (I) a composition containing at least one polysiloxane, at least one organosilicon material that reacts with said polysiloxane by a chain extension reaction and a metal containing catalyst for said chain extension reaction, (II) at least one surfactant selected from the group consisting of anionic, cationic, alkylpolysaccharide and amphoteric, and (III) water to form a mixture; and emulsifying the mixture;the composition (I) being selected from the group consisting of (i) a polysiloxane having at least one Si--OH group, an alkoxysilane having at least two alkoxy groups, and a metal containing catalyst, and (ii) a polysiloxane having at least one Si--OH group, a polysiloxane having at least one alkoxy group, and a metal containing catalyst.