Finely divided silicon with superficially bonded halogen, process for its production and application

摘要

PCT No. PCT/EP92/00943 Sec. 371 Date Oct. 27, 1993 Sec. 102(e) Date Oct. 27, 1993 PCT Filed Apr. 30, 1992 PCT Pub. No. WO92/19626 PCT Pub. Date Nov. 12, 1992In the production of an organochlorosilane by reaction of silicon with at least one of an alkyl or aryl chloride in the presence of a copper catalyst, the improvement which comprises employing as the silicon fine-particle silicon containing surface-bound chlorine produced by contacting fine-particle silicon in reactive form with gaseous or liquid chlorine.