公开(公告)号：US09562158B2

公开(公告)日：2017-02-07

申请号：US14879685

申请日：2015-10-09

Applicant: SUMITOMO BAKELITE COMPANY LIMITED

Inventor： Jun Okada ,  Kazunobu Senoo

IPC: C08L83/04 ,  A61L29/06 ,  A61L29/04 ,  C08K9/06 ,  A61L29/12 ,  C08K3/36 ,  C08G77/20 ,  C08G77/12

CPC classification number: C08L83/04 ,  A61L29/049 ,  A61L29/06 ,  A61L29/126 ,  C08G77/12 ,  C08G77/20 ,  C08K3/36 ,  C08K5/56 ,  C08K9/06 ,  C08K2201/003 ,  C08K2201/006 ,  C08L83/00 ,  C08L2203/02 ,  C09C1/3081

Abstract: A silicone rubber-based hardening composition includes a linear organopolysiloxane having a vinyl group (A), an organohydrogen polysiloxane (B), and a silica filler (C) of which surface is treated with a silane coupling agent having a trimethylsilyl group. The linear organopolysiloxane having a vinyl group (A) includes a first linear organopolysiloxane having a vinyl group (A1), and a second linear organopolysiloxane having a vinyl group (A2).

Abstract translation: 硅橡胶系硬化组合物包括具有乙烯基（A）的线性有机聚硅氧烷，有机氢聚硅氧烷（B）和表面用具有三甲基甲硅烷基的硅烷偶联剂处理的二氧化硅填料（C）。 具有乙烯基（A）的直链有机聚硅氧烷包括具有乙烯基（A1）的第一直链有机聚硅氧烷和具有乙烯基（A2）的第二直链有机聚硅氧烷。

公开(公告)号：US20140242312A1

公开(公告)日：2014-08-28

申请号：US14346116

申请日：2012-09-20

Applicant: SUMITOMO BAKELITE COMPANY LIMITED

Inventor： Taketoshi Murai ,  Kazunobu Senoo ,  Jun Okada ,  Motoyoshi Tsujimoto

IPC: C08L43/04

CPC classification number: C08L43/04 ,  C08G77/12 ,  C08G77/20 ,  C08J3/246 ,  C08J2383/05 ,  C08J2383/07 ,  C08K3/36 ,  C08K5/5415 ,  C08L83/04 ,  Y10T428/1355 ,  Y10T428/1372

Abstract: A silicone rubber-based curable composition of the present invention contains: a vinyl group-containing organopolysiloxane (A); an organohydrogen polysiloxane (B); silica particles (C); a silane coupling agent (D); and a platinum or platinum compound (E), wherein satisfied is the following requirement X, or both the following requirements X and Y: Requirement X: the vinyl group-containing organopolysiloxane (A) contains both a vinyl group-containing linear organopolysiloxane (A1) and a vinyl group-containing branch organopolysiloxane (A2), Requirement Y: the organohydrogen polysiloxane (B) contains a mixture (B3) of a linear organohydrogen polysiloxane (B1) and a branch organohydrogen polysiloxane (B2), or the branch organohydrogen polysiloxane (B2). This makes it possible to provide a silicon rubber-based curable composition which can produce a silicone rubber having excellent tensile strength and tearing strength.

Abstract translation: 本发明的硅橡胶系固化性组合物含有：含乙烯基的有机聚硅氧烷（A）; 有机氢聚硅氧烷（B）; 二氧化硅颗粒（C）; 硅烷偶联剂（D）; 和铂或铂化合物（E），其中满足以下要求X，或满足以下要求X和Y：要求X：含乙烯基的有机聚硅氧烷（A）含有含乙烯基的线性有机聚硅氧烷（A1 ）和含乙烯基的分支有机聚硅氧烷（A2），要求Y：有机氢聚硅氧烷（B）含有直链有机氢聚硅氧烷（B1）和支链有机氢聚硅氧烷（B2）的混合物（B3），或支链有机氢聚硅氧烷 （B2）。 由此，能够提供能够制造拉伸强度和撕裂强度优异的硅橡胶的硅橡胶系固化性组合物。