Functional 1,3-dihydrogeno disilazanes
    31.
    发明授权
    Functional 1,3-dihydrogeno disilazanes 失效
    功能性1,3-二氢二硅氮烷

    公开(公告)号:US4806666A

    公开(公告)日:1989-02-21

    申请号:US54300

    申请日:1987-05-26

    IPC分类号: C07F7/10 C07F7/12

    CPC分类号: C07F7/12

    摘要: The present invention relates to functional 1,3-dihydrogeno disilazanes of formula: ##STR1## in which: R and R.sub.1, identical or different, represent an atom of hydrogen or a hydrocarbon such as an alkyl, alkenyl or alkynyl, cycloalkyl or cycloalkenyl, aryl, alkylaryl, alkenylaryl, alkynylaryl, arylalkyl, arylalkenyl or arylalkynyl radical, possibly functional, R also being able to represent a radical ##STR2## and R.sub.2 represents an atom of halogen, an OR group or an --NRR.sub.1 group, when R and R.sub.1 are both hydrocarbon radicals.

    摘要翻译: 本发明涉及下式的功能性1,3-二氢二硅氮烷:其中:R和R 1相同或不同,表示氢原子或烃如烷基,烯基或炔基,环烷基 或环烯基,芳基,烷基芳基,烯基芳基,炔基芳基,芳基烷基,芳基烯基或芳基炔基,可能是官能的,R也能够表示基团,并且R 2表示卤素原子,OR基团或-NRR1基团, R和R1都是烃基。

    Copolymers containing si-n and si-si bonds, polycarbosilazanes obtained
by pyrolysis of the said copolymers, and use of the said
polycarbosilazanes for the preparation of silicon carbonitride
    36.
    发明授权
    Copolymers containing si-n and si-si bonds, polycarbosilazanes obtained by pyrolysis of the said copolymers, and use of the said polycarbosilazanes for the preparation of silicon carbonitride 失效
    含有si-n和si-si键的共聚物,通过所述共聚物的热解获得的聚碳硅氮烷,以及所述聚碳硅氮烷用于制备碳氮化硅

    公开(公告)号:US4992523A

    公开(公告)日:1991-02-12

    申请号:US204677

    申请日:1988-06-09

    摘要: The present invention relates to copolymers containing --Si--N-- and --Si--Si-- bonds, which are obtained by the polycondensation ofat least one silane of the formula RR.sub.1 SiCl.sub.2and at least one disilazane of the formula ##STR1## in which formulae: R.sub.2 is a halogen atom, preferably Br and Cl, andR, R.sub.1 and R.sub.3, which are identical or different, represent a hydrogen atom or an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl, alkylaryl or alkenylaryl hydrocarbon radical which may be functional,to a process for the preparation of the said copolymers,to the polycarbosilazanes obtained by thermolysis of the said copolymers and to the silicon carbonitrides obtained by heating the said polycarbosilazanes.

    摘要翻译: 本发明涉及含有-Si-N-和-Si-Si-键的共聚物,其通过至少一种式RR 1 SiCl 2的硅烷和至少一种式“IMAGE”的二硅烷的缩聚获得,其中式 R2是卤素原子,优选Br和Cl,R,R1和R3相同或不同,表示氢原子或烷基,烯基,炔基,环烷基,环烯基,芳基,烷基芳基或烯基芳基烃基,其可以是 功能性,用于制备所述共聚物的方法涉及通过所述共聚物的热解获得的聚碳硅氮烷和通过加热所述聚碳硅氮烷而获得的硅碳氮化物。