PROCESS FOR PREPARING BRANCHED Si-H FUNCTIONAL POLYSILOXANES AND USE THEREOF FOR PREPARING LIQUID SiC- OR SiOC-LINKED, BRANCHED MODIFIED ORGANOMODIFIED POLYSILOXANES
    25.
    发明申请
    PROCESS FOR PREPARING BRANCHED Si-H FUNCTIONAL POLYSILOXANES AND USE THEREOF FOR PREPARING LIQUID SiC- OR SiOC-LINKED, BRANCHED MODIFIED ORGANOMODIFIED POLYSILOXANES 失效
    用于制备分支的Si-H官能聚硅氧烷的方法及其用于制备液相SiC或SiOC连接的分支改性的有机多元醇多晶硅

    公开(公告)号:US20100056649A1

    公开(公告)日:2010-03-04

    申请号:US12547109

    申请日:2009-08-25

    IPC分类号: B01J47/00 C07F7/08

    CPC分类号: C08G77/08 C08G77/12

    摘要: The invention provides a process for preparing liquid, branched SiH-functional siloxanes by reacting a mixture of one or more low molecular weight SiH-functional siloxanes, one or more low molecular weight SiH-free siloxanes, one or more tetraalkoxysilanes, and optionally one or more trialkoxysilanes with addition of water and in the presence of a Brønsted-acidic ion exchanger, which is characterized in that the reaction is performed in one process step.

    摘要翻译: 本发明提供了一种通过使一种或多种低分子量SiH官能的硅氧烷,一种或多种低分子量的不含SiH的硅氧烷,一种或多种四烷氧基硅烷和任选的一种或多种低分子量SiH官能的硅氧烷, 更多的三烷氧基硅烷加入水并在布朗斯台德酸性离子交换剂存在下,其特征在于反应在一个工艺步骤中进行。