发明名称 Method for forming hafnium carbide and hafnium nitride ceramics and preceramic polymers
摘要 Hafnium containing preceramic polymer is made through the reaction of hafnium halide compound with any of the following compounds: ethylene diamine, dimethyl ethylene diamine, piperazine, allylamine and or polyethylene-imine.
申请公布号 US7572881(B2) 申请公布日期 2009.08.11
申请号 US20070698222 申请日期 2007.01.25
申请人 POPE EDWARD J A;HEPP JOZSEF;KRATSCH KENNETH M 发明人 POPE EDWARD J. A.;HEPP JOZSEF;KRATSCH KENNETH M.
分类号 C08G79/00;C07F7/00;C07F7/28;C08G77/60 主分类号 C08G79/00
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