Polyethersiloxanes carrying alkoxysilyl groups and method for production thereof
    9.
    发明授权
    Polyethersiloxanes carrying alkoxysilyl groups and method for production thereof 有权
    载有烷氧基甲硅烷基的聚醚硅氧烷及其制备方法

    公开(公告)号:US08283422B2

    公开(公告)日:2012-10-09

    申请号:US13132734

    申请日:2009-11-05

    IPC分类号: C08G77/46

    CPC分类号: C08G77/18 C08G77/46 C08L83/12

    摘要: Alkoxysilyl-functional polyether-siloxanes and processes for preparing them by noble metal-catalysed SiC coupling of hydrogensiloxanes having SiH groups with unsaturated polyethers bearing alkoxysilyl groups or by alkoxylation of polyethersiloxanes or polysiloxanes by means of epoxy-functional alkoxysilanes in the presence of double metal cyanide catalysts.

    摘要翻译: 烷氧基甲硅烷基官能的聚醚 - 硅氧烷及其制备方法,它们是通过在双金属氰化物存在下,通过环氧官能的烷氧基硅烷,通过具有SiH基的氢硅氧烷与带有烷氧基甲硅烷基的不饱和聚醚或通过聚醚硅氧烷或聚硅氧烷的烷氧基化的贵金属催化的SiC偶联 催化剂。

    Silicone polyether copolymers and process for preparation thereof
    10.
    发明授权
    Silicone polyether copolymers and process for preparation thereof 有权
    硅氧烷聚醚共聚物及其制备方法

    公开(公告)号:US08779079B2

    公开(公告)日:2014-07-15

    申请号:US12837677

    申请日:2010-07-16

    IPC分类号: C08G77/46

    摘要: Novel silicone polyether copolymers of inverse structure of the formula 1, characterized in that no unsaturated functional groups caused by side reactions or conversion products thereof are present in the copolymer, and a process for preparation thereof, in which a polyether modified terminally and/or laterally with alkoxysilyl groups is reacted with silanes and/or siloxanes which bear one or more hydrolysis-labile groups, in a hydrolysis and condensation reaction.

    摘要翻译: 具有式1的相反结构的新型硅氧烷聚醚共聚物,其特征在于,在共聚物中不存在由副反应或其转化产物引起的不饱和官能团及其制备方法,其中将聚醚改性为末端和/或侧面 在水解和缩合反应中,烷氧基甲硅烷基与具有一个或多个水解不稳定基团的硅烷和/或硅氧烷反应。