VERFAHREN ZUR HERSTELLUNG VON HYDROXYALKYLPOLYSILOXANEN

    公开(公告)号:EP1370601A1

    公开(公告)日:2003-12-17

    申请号:EP02704693.7

    申请日:2002-02-07

    IPC分类号: C08G77/16 C08G77/44 C08G77/50

    CPC分类号: C08G77/44 C08G77/16 C08G77/50

    摘要: The invention relates to a method for the production of hydroxyalkyl polysiloxanes of general formula (V) (SiO4/2)k(R1SiO3/2)m(R12SiO2/2)p(R13SiO1/2)q [O1/2SiR32-(CR42)b-OH]s[O1/2H]t (V), wherein organosiloxanes of general formula (VI) (SiO4/2)k(R1SiO3/2)m(R12Sio2/2)p(R13SiO1/2)q[O1/2H]r (VI) containing silanol are made to react with compounds having at least one unit of general formula (IV) [O-(CR42)b-SiR32]n- (IV), wherein R?1, R3, R4¿, b, s, r, n, t, k, m, p and q have the meaning cited in claim 1.

    摘要翻译: 本发明涉及制备通式(V)(SiO 4/2)k(R 1 SiO 3/2)m(R 12 SiO 2/2)p(R 13 SiO 1/2)q [O 1/2 SiR 32 - (CR 42) (VI)(SiO 4/2)k(R 1 SiO 3/2)m(R 12 SiO 2/2)p(R 13 SiO 1/2)q [O 1/2] (IV)[O-(CR42)b-SiR32] n-(IV)的化合物与含有硅烷醇的[2H] r(VI)反应,其中R 1,R 3,R 4' ,b,s,r,n,t,k,m,p和q具有权利要求1中引用的含义。