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    • 4. 发明申请
    • SILICONE RESIN EMULSIONS
    • 硅树脂乳液
    • WO2013119561A1
    • 2013-08-15
    • PCT/US2013/024761
    • 2013-02-05
    • DOW CORNING CORPORATION
    • LILES, Donald, TaylorMITCHELL, Timothy, Paul
    • C08L83/06C09D183/06C09J183/06
    • C09J183/04B05D3/007C08G77/20C08L71/02C08L83/06C09D183/04C09D183/06C09J183/06
    • A process for preparing silicone emulsions is disclosed based on using an ethylene oxide/propylene oxide block copolymer as the emulsifier. The silicone emulsions comprise: A) 0.5 wt % to 95 wt % of a silicone resin or pressure sensitive adhesive (PSA), B) 0.1 to 90 wt % of a ethylene oxide/propylene oxide block copolymer, and sufficient amount of water to sum to 100 weight percent. The present disclosure further relates to a process for making a silicone resin emulsion comprising: I) forming a dispersion of; A) 100 parts of a silicone resin or PSA, B) 5 to 100 parts of a ethylene oxide/propylene oxide block copolymer, II) admixing a sufficient amount of water to the dispersion from step I) to form an emulsion, III) optionally, further shear mixing the emulsion.
    • 基于使用环氧乙烷/环氧丙烷嵌段共聚物作为乳化剂,公开了制备硅氧烷乳液的方法。 硅氧烷乳液包括:A)0.5重量%至95重量%的有机硅树脂或压敏粘合剂(PSA),B)0.1至90重量%的环氧乙烷/环氧丙烷嵌段共聚物和足量的水 至100重量%。 本公开还涉及制备有机硅树脂乳液的方法,其包括:I)形成分散体; A)100份有机硅树脂或PSA,B)5-100份环氧乙烷/环氧丙烷嵌段共聚物,II)将足够量的水与步骤I)的分散体混合以形成乳液,III)任选地 ,进一步剪切混合乳液。
    • 9. 发明申请
    • METHOD OF PREPARING CONDENSATION CROSS-LINKED PARTICLES
    • 制备交联交联颗粒的方法
    • WO2016100840A1
    • 2016-06-23
    • PCT/US2015/066721
    • 2015-12-18
    • DOW CORNING CORPORATION
    • LILES, Donald, Taylor
    • C08G77/04C08J3/02C08J5/18C08L83/04
    • C08G77/38C08G77/08C08G77/12C08G77/20C08J5/18C08J2383/06C08K5/56C08L83/00C08L83/04C08L83/06C08L2201/52
    • 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.
    • 在乳液中制备缩合交联颗粒的方法包括组合具有两个不饱和碳 - 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性基团的第三反应物,并且具有 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。 在氢化硅烷化催化剂和极性液体的存在下将第一,第二和第三反应物组合以形成乳液,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主链的颗粒,其中可冷凝 反应性基团设置在其上。 该方法还包括通过缩合反应交联线性主链以形成缩合交联的颗粒。