Patent ID: 6013822
Filing Date: 2000-01-11
Classification: C07F

Abstract:
A method for preparing high-purity methacryloxypropyldimethylchlorosilane, said method comprising mixing(A) a methacryloxypropyldimethylchlorosilane which contains at least one Si-bonded methacryloxy-functional organosilicon compound as an impurity with(B) an inorganic chloride selected from the group consisting of thionyl chloride, phosphoryl chloride, phosphorus pentachloride, phosphorus trichloride, boron trichloride and mixtures of two or more of the preceding,reacting said inorganic chloride with said Si-bonded methacryloxy- functional organosilicon compound and thereafter isolating the methacryloxypropyldimethylchlorosilane.