Controlled polymerization of silazane monomers
    12.
    发明授权
    Controlled polymerization of silazane monomers 失效
    硅氮烷单体的控制聚合

    公开(公告)号:US5017640A

    公开(公告)日:1991-05-21

    申请号:US421994

    申请日:1989-10-16

    摘要: Organopolysilazanes or organopoly(disilyl)silazanes having controlled physicochemical properties, well adapted for shaping and pyrolysis into useful ceramic articles, are prepared by catalytically polymerizing a silazane monomer to a desired degree of polymerization, and then, either during or upon completion of polymerization, contacting the polymerization reaction medium with at least one adsorbent material.

    摘要翻译: 具有受控物理化学性质的有机聚硅氮烷或有机(二甲硅烷基)硅氮烷通过将硅氮烷单体催化聚合成所需聚合度,然后在聚合反应完成期间或接触完成后制备,其适于成型和热解成有用的陶瓷制品 具有至少一种吸附材料的聚合反应介质。