Patent ID: 7202301
Filing Date: 2007-04-10
Classification: B01F,C08J

Abstract:
1. A method for preparation of an aqueous emulsion from a curable silicone composition comprising (A) an organopolysiloxane having at least two silicon-bonded hydroxyl groups in one molecule, (B) an organohydrogensiloxane having at least two silicon-bonded hydrogen atoms in one molecule, and (C) a curing catalyst, said method being characterized by (i) continuously supplying component (A), component (B) and component (C), or a mixture of components (A) and (B) and component (C) through individual inlet ports into a continuous mixer, and mixing the components at a temperature not exceeding 10° C., and then (ii) continuously supplying the obtained mixture and (D) an aqueous solution of a surface-active agent to an emulsifier, and emulsifying said obtained mixture at a temperature not exceeding 20° C.