发明授权
US5258169A Silicon diimide, a process for its preparation and silicon nitride
obtained therefrom
失效
硅二酰亚胺，其制备方法和由其获得的氮化硅
- 专利标题： Silicon diimide, a process for its preparation and silicon nitride obtained therefrom
- 专利标题（中）： 硅二酰亚胺，其制备方法和由其获得的氮化硅
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申请号： US763314申请日： 1991-09-20
-
公开(公告)号： US5258169A公开(公告)日： 1993-11-02
- 发明人: Ulrich Wannagat , Adrian Schervan , Martin Jansen , Hans-Peter Baldus , Aloys Eiling
- 申请人： Ulrich Wannagat , Adrian Schervan , Martin Jansen , Hans-Peter Baldus , Aloys Eiling
- 申请人地址： DEX Leverkusen
- 专利权人： Bayer Aktiengesellschaft
- 当前专利权人： Bayer Aktiengesellschaft
- 当前专利权人地址： DEX Leverkusen
- 优先权： DEX4031070 19901002
- 主分类号： C01B21/068
- IPC分类号： C01B21/068 ; C01B21/087 ; C04B35/589
摘要：
Silicon diimide having a carbon content of at most 0.5% by weight and a chlorine content of at most 20 ppm is prepared by reacting ammonia with organyl amino silane at 50.degree.-300.degree. C. at elevated pressure and is useful as an intermediate for high grade silicon nitride.
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