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    • 52. 发明申请
    • AQUEOUS SILSESQUIOXANE DISPERSIONS HAVING LOW CONCENTRATIONS OF REACTION BYPRODUCTS
    • 具有低反应性浓度的水性硅油分散体
    • US20130260084A1
    • 2013-10-03
    • US13798363
    • 2013-03-13
    • INVISTA NORTH AMERICA S.A R.L.
    • Martin August RUDAT
    • D06M13/513
    • D06M13/513B82Y30/00C01P2004/64C01P2004/84C07F7/21C09C1/3081D06M15/643D06M23/08Y10T428/23986
    • Methods of making a composition are disclosed, which comprises: i) forming a dispersion of particles comprising: a) silica, b) a non-volatile cation, and c) water, wherein the non-volatile cation is not ammonium; ii) adding at least one organosilyl coupling agent of formula R1-(R2-O)3-Si where R1 is selected from the group consisting of a substituted alkyl and unsubstituted alkyl, and R2 is selected from the group consisting of methyl, ethyl, propyl and butyl, wherein the substituted alkyl of R1 is not aminoalkyl; iii) reacting the organosilyl coupling agent with the dispersion of particles to form a mixture comprising a silsesquioxane and an alcohol; and iv) removing the alcohol from the mixture by vacuum distillation, wherein final concentration of the alcohol is about 1% by weight or less of the total mixture. Further disclosed are compositions comprising an aqueous dispersion comprising silsesquioxane, a non-volatile cation and an alcohol, and methods of using the composition.
    • 公开了制备组合物的方法,其包括:i)形成颗粒分散体,其包括:a)二氧化硅,b)不挥发性阳离子,和c)水,其中所述非挥发性阳离子不是铵; ii)加入至少一种式R1-(R2-O)3-Si的有机甲硅烷基偶联剂,其中R1选自取代的烷基和未取代的烷基,R2选自甲基,乙基, 丙基和丁基,其中R 1的取代的烷基不是氨基烷基; iii)使有机甲硅烷基偶联剂与颗粒分散体反应形成包含硅倍半氧烷和醇的混合物; 和iv)通过真空蒸馏从混合物中除去醇,其中醇的最终浓度为总混合物的约1重量%或更少。 进一步公开的是包含含有倍半硅氧烷,不挥发性阳离子和醇的水分散体的组合物,以及使用该组合物的方法。
    • 60. 发明授权
    • Aqueous silsesquioxane dispersions having low concentrations of reaction byproducts
    • 具有低浓度反应副产物的水倍半硅氧烷分散体
    • US08420734B2
    • 2013-04-16
    • US12722264
    • 2010-03-11
    • Martin August Rudat
    • Martin August Rudat
    • C08L83/04
    • D06M13/513B82Y30/00C01P2004/64C01P2004/84C07F7/21C09C1/3081D06M15/643D06M23/08Y10T428/23986
    • Methods of making a composition are disclosed, which comprises: i) forming a dispersion of particles comprising: a) silica, b) a non-volatile cation, and c) water, wherein the non-volatile cation is not ammonium; ii) adding at least one organosilyl coupling agent of formula R1—(R2—O)3—Si where R1 is selected from the group consisting of a substituted alkyl and unsubstituted alkyl, and R2 is selected from the group consisting of methyl, ethyl, propyl and butyl, wherein the substituted alkyl of R1 is not aminoalkyl; iii) reacting the organosilyl coupling agent with the dispersion of particles to form a mixture comprising a silsesquioxane and an alcohol; and iv) removing the alcohol from the mixture by vacuum distillation, wherein final concentration of the alcohol is about 1% by weight or less of the total mixture. Further disclosed are compositions comprising an aqueous dispersion comprising silsesquioxane, a non-volatile cation and an alcohol, and methods of using the composition.
    • 公开了制备组合物的方法,其包括:i)形成颗粒分散体,其包括:a)二氧化硅,b)不挥发性阳离子,和c)水,其中所述非挥发性阳离子不是铵; ii)加入至少一种式R1-(R2-O)3-Si的有机甲硅烷基偶联剂,其中R1选自取代的烷基和未取代的烷基,R2选自甲基,乙基, 丙基和丁基,其中R 1的取代的烷基不是氨基烷基; iii)使有机甲硅烷基偶联剂与颗粒分散体反应形成包含硅倍半氧烷和醇的混合物; 和iv)通过真空蒸馏从混合物中除去醇,其中醇的最终浓度为总混合物的约1重量%或更少。 进一步公开的是包含含有倍半硅氧烷,不挥发性阳离子和醇的水分散体的组合物,以及使用该组合物的方法。