Abstract: The invention relates to novel polymeric hydridosilazanes, their preparation, their conversion into silicon nitride-containing ceramic material, and this material itself. To prepare the polymeric hydridosilazanes, polymeric hydridothiosilazanes are reacted with NH.sub.3. To prepare the silicon nitride-containing ceramic material, the polymeric hydridosilazanes are then pyrolyzed.
Type:
Grant
Filed:
April 20, 1990
Date of Patent:
January 14, 1992
Assignee:
Hoechst Aktiengesellschaft
Inventors:
Tilo Vaahs, Thomas Gerdau, Marcellus Peuckert, Martin Bruck
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