Patent ID: 6281285
Filing Date: 2001-08-28
Classification: C08G

Abstract:
A process for the preparation of a silicone resin comprising adding at lease one chlorosilane described by the formula R.times.SiCl4-x to a two-phase mixture comprising(I) a nonpolar organic solvent,(II) an aqueous phase comprising(i) an amount of water to comprise at least a stoichiometric amount in relation to the chlorosilane,(ii) 0 to 43 weight percent hydrochloric acid based on the aqueous phase, and(iii) a surface active compound selected from the group consisting of alkylsulphonic acid hydrate, alkali metal salt of alkylsulphonic acid, arylsulphonic acid hydrate and alkali metal salt of arylsulphonic acid,where X=0 or 1 and each R is selected from the group consisting of hydrogen and monovalent hydrocarbon radicals.