化学烧伤专利名称:PRE-CERAMIC POLYMER
安眠补脑口服液发明人:DEIITOMAA SEIFUAASU,HERUBERUTO PIRENIO
色子玩法
卧室门对门申请号:JP27760290
申请日:19901016
补水保湿产品排行榜
公开号:JPH03221531A
公开日:
19910930
毛密密b
专利内容由知识产权出版社提供
摘要:Preceramic polymers are prepared by mixing an organosilicon oligomer or polymer containing a multiplicity of Si-H and/or Si-N functional groups with a borane in an organic solvent for a sufficient time for the reactants to react, wherein the molar ratio of the organosilicon polymer repeat unit to borane is 15 or less.
申请人:MASSACHUSETTS INST OF TECHNOL
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