PROCESS FOR PREPARING BRANCHED Si-H FUNCTIONAL POLYSILOXANES AND USE THEREOF FOR PREPARING LIQUID SiC- OR SiOC-LINKED, BRANCHED MODIFIED ORGANOMODIFIED POLYSILOXANES
    23.
    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。

    Branched polysiloxanes and use of these
    28.
    发明授权
    Branched polysiloxanes and use of these 有权
    支链聚硅氧烷及其用途

    公开(公告)号:US08946369B2

    公开(公告)日:2015-02-03

    申请号:US13771888

    申请日:2013-02-20

    摘要: Branched polysiloxanes of formula (I) Ma1MHa2MVia3Db1DHb2DVib3Tc1THc2TVic3Qd  (I) wherein M=[R2R12SiO1/2], MH=[R12HSiO1/2], MVi=[R3R12SiO1/2], D=[R12SiO2/2], DH=[R1HSiO2/2], DVi=[R1R3SiO2/2], T=[R4SiO3/2], TH=[HSiO3/2], TVi=[R3SiO3/2], Q=[SiO4/2], R1 is mutually independently identical or different, linear or branched, saturated or unsaturated hydrocarbon moieties, R2 is mutually independently the same as R1, an alkoxy moiety or a hydroxy group, R3 is mutually independently identical or different, linear or branched, olefinically unsaturated hydrocarbon moieties, R4 is mutually independently R1 or identical or different linear, branched and/or cyclic, saturated or unsaturated hydrocarbon moieties comprising heteroatoms, a1=from 0 to 50, a2=from 1 to 50, a3=from 1 to 50, b1=from 10 to 5000, b2=from 0 to 30, b3=from 0 to 30, c1=from 0 to 50, c2=from 0 to 50 c3=from 0 to 50, d=from 0 to 50, with the proviso that the sum c1+c2+c3+d is greater than or equal to 1, are provided.

    摘要翻译: 式(I)的分支聚硅氧烷Ma1MHa2MVia3Db1DHb2DVib3Tc1THc2TVic3Qd(I)其中M = [R2R12SiO1 / 2],MH = [R12HSiO1 / 2],MVi = [R3R12SiO1 / 2],D = [R12SiO2 / 2],DH = [R1HSiO2 / ],DVi = [R1R3SiO2 / 2],T = [R4SiO3 / 2],TH = [HSiO3 / 2],TVi = [R3SiO3 / 2],Q = [SiO4 / 2],R1相互独立地相同或不同, 直链或支链,饱和或不饱和的烃部分,R 2相互独立地相同,R 1,烷氧基部分或羟基,R 3相互独立地相同或不同,为直链或支链的烯属不饱和烃部分,R 4相互独立地为R 1或 相同或不同的包含杂原子的直链,支链和/或环状,饱和或不饱和烃部分,a1 = 0至50,a2 = 1至50,a3 = 1至50,b1 = 10至5000,b2 = 0〜30,b3 = 0〜30,c1 = 0〜50,c2 = 0〜50c3 = 0〜50,d = 0〜50,条件是和c1 + c2 + c3 + d大于或等于1。