Abstract: A process for preparing organosilazane and ammonium chloride, by reaction of an organochlorosilane with ammonia in the presence of organosilazane as solvent, wherein ammonium chloride is removed from the resulting organosilazane and ammonium chloride-containing mixture, the improvement comprising adding an antiblocking agent to the mixture before removal, or to the ammonium chloride after its removal, such that a non-blocking, reusable ammonium chloride product is obtained.
Type:
Grant
Filed:
October 23, 1998
Date of Patent:
April 18, 2000
Assignee:
Wacker-Chemie GmbH
Inventors:
Richard Weidner, Walter Benischke, Gunther Uhlendorf