利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

14 条记录 (耗时 0.021 秒)

    STORAGE-STABLE WATER-REPELLENT COMPOSITION FOR MASONRY MATERIALS
    7.
    发明公开
    STORAGE-STABLE WATER-REPELLENT COMPOSITION FOR MASONRY MATERIALS 有权
    贮存稳定的防水剂建材

    公开(公告)号：EP1068270A1

    公开(公告)日：2001-01-17

    申请号：EP99914983.4

    申请日：1999-03-25

    申请人： DOW CORNING CORPORATION

    发明人： BE, Anh ,  LILES, Donald, Taylor ,  WILHELMI, Francisco, Gerardo, Palencia ,  ROMENESKO, David, J.

    IPC分类号： C08L83/05 ,  C08L83/04 ,  C04B41/49 ,  C09D183/04 ,  C09D183/05

    CPC分类号： C04B41/4961 ,  C09D183/04 ,  Y10T428/31663 ,  C08L2666/44

    摘要： A storage-stable composition is disclosed which is adapted for imparting water-repellent properties to masonry materials. Said composition comprises an aqueous emulsion which has a continuous aqueous phase and a discontinuous organosilicon phase. The emulsion is formulated from components comprising: (A) a water-insoluble alkoxysilane of the average general formula Rn-Si-R'(4-n) wherein n is a number from 1 to 2, R is a C5 - C20 monovalent hydrocarbon radical and R' is a C1 - C4 alkoxy group; (B) a hydrogen-functional polysiloxane having at least two silicon-bonded hydrogen atoms per molecule, at least five siloxy units per molecule and a kinematic viscosity between 0.5 x 10-6 and 1,000 x 10-6m2/sec. at 25 °C; (C) an emulsifier; and (D) water. The discontinuous organosilicon phase comprises components (A and B) and the continuous aqueous phase is water. Components (A and B) are present in the organosilicon phase in a weight ratio of (A):(B) such that said emulsion is physically and chemically stable after storage for six months at room temperature, or for six weeks at 50 °C.

    METHOD OF PREPARING CONDENSATION CROSS-LINKED PARTICLES
    10.
    发明公开
    METHOD OF PREPARING CONDENSATION CROSS-LINKED PARTICLES 审中-公开
    制备冷凝交联颗粒的方法

    公开(公告)号：EP3233973A1

    公开(公告)日：2017-10-25

    申请号：EP15871179.6

    申请日：2015-12-18

    申请人： Dow Corning Corporation

    发明人： LILES, Donald, Taylor

    IPC分类号： C08G77/04 ,  C08J3/02 ,  C08J5/18 ,  C08L83/04

    CPC分类号： C08G77/38 ,  C08G77/08 ,  C08G77/12 ,  C08G77/20 ,  C08J5/18 ,  C08J2383/06 ,  C08K5/56 ,  C08L83/00 ,  C08L83/04 ,  C08L83/06 ,  C08L2201/52

    摘要： A method of preparing condensation cross-linked particles in an emulsion includes combining a first linear reactant having two unsaturated carbon-carbon moieties, a second linear reactant having two Si—H moieties, and a third reactant having at least one condensable reactive group and having up to two unsaturated carbon-carbon moieties or Si—H moieties with the proviso that the third reactant has at least one unsaturated carbon-carbon moiety or Si—H moiety. The first, second, and third reactants are combined in the presence of a hydrosilylation catalyst and a polar liquid to form an emulsion wherein the first, second, and third reactants react via a hydrosilylation reaction to form particles that have a linear backbone wherein the condensable reactive group is disposed thereon. The method also includes cross-linking the linear backbone via a condensation reaction to form the condensation cross-linked particles.

    摘要翻译： 在乳液中制备缩合交联颗粒的方法包括将具有两个不饱和碳 - 碳部分的第一线性反应物，具有两个Si-H部分的第二线性反应物和具有至少一个可缩合反应基团的第三反应物合并， 至多两个不饱和碳 - 碳部分或Si-H部分，条件是第三反应物具有至少一个不饱和碳 - 碳部分或Si-H部分。 第一，第二和第三反应物在氢化硅烷化催化剂和极性液体存在下结合形成乳液，其中第一，第二和第三反应物通过氢化硅烷化反应反应形成具有线性骨架的颗粒，其中可冷凝 反应性基团置于其上。 该方法还包括通过缩合反应使线性主链交联以形成缩合交联颗粒。