Compositions: ceramic – Ceramic compositions – Refractory
Patent
1990-04-20
1992-01-14
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Refractory
501 96, 501 92, 528 10, 528 22, 528 31, C04B 3558, C04B 3552, C08G 7706, C08G 7712
Patent
active
050810804
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.
Bruck Martin
Gerdau Thomas
Peuckert Marcellus
Vaahs Tilo
Dixon Jr. William R.
Hoechst Aktiengesellschaft
Marchechi Michael
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