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公开(公告)号：US20160068664A1
公开(公告)日：2016-03-10
申请号：US14785739
申请日：2014-05-14
IPC分类号： C08K9/06
CPC分类号： C08K9/06 , C01B33/128 , C01B33/142 , C01B33/146 , C01B33/148 , C01B33/152 , C08K3/36 , C08L63/00
摘要： The silica sol of the invention contains silica particles having a mean primary particle size of 20 to 100 nm and which has a silica particle size/mean primary particle size ratio, determined through dynamic light scattering, of 3.0 or less, wherein the silica particles are surface-treated with an organic silane compound and have an α-ray emission rate of 0.005 counts/cm2·hr or less and a moisture absorption coefficient, determined after allowing the silica particles to stand for 48 hours at 23° C. and a relative humidity of 50 RH %, of 0.5 mass % or lower.
摘要翻译： 本发明的硅溶胶含有平均一次粒径为20〜100nm的二氧化硅粒子，其二氧化硅粒子尺寸/动态光散射测定的平均一次粒径比为3.0以下，二氧化硅粒子为 用有机硅烷化合物进行表面处理，并且在23℃下使二氧化硅粒子静置48小时后测定的α射线排出率为0.005个/ cm 2·小时以下，吸湿系数为 湿度为50％RH，为0.5质量％以下。
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2.发明申请COLLOIDAL SILICA PARTICLES, PROCESS FOR PRODUCING THE SAME, AND ORGANIC SOLVENT-DISPERSED SILICA SOL, POLYMERIZABLE COMPOUND-DISPERSED SILICA SOL, AND DICARBOXYLIC ANHYDRIDE-DISPERSED SILICA SOL EACH OBTAINED FROM THE SAME 审中-公开胶体二氧化硅颗粒，其制造方法和有机溶剂分散二氧化硅溶胶，可聚合化合物分散的二氧化硅溶胶和从其获得的二甲基硅油分散的二氧化硅溶胶公开(公告)号：US20150376018A1
公开(公告)日：2015-12-31
申请号：US14851863
申请日：2015-09-11
IPC分类号： C01B33/146
CPC分类号： C01B33/14 , B82Y30/00 , C01B33/145 , C01B33/146 , C01P2004/64 , C08K3/36
摘要： There is provided colloidal silica particles comprising at least one polyvalent metal element M selected from a group consisting of iron, aluminum, zinc, zirconium, titanium, tin, and lead in an average content of 0.001 to 0.02 in terms of an M/Si molar ratio, and having an average primary particle diameter of 5 to 40 nm, wherein the content of the polyvalent metal element M present in an outermost layer of the colloidal particles is 0 to 0.003 atom per square nanometer (nm2) of a surface area of the colloidal particles; and a silica sol that the colloidal silica particles are dispersed in an organic solvent, a silica sol that the colloidal silica particles are dispersed in a polymerizable compound, and a silica sol that the colloidal silica particles are dispersed in a dicarboxylic anhydride.
摘要翻译： 提供的胶体二氧化硅颗粒包含选自铁，铝，锌，锆，钛，锡和铅中的至少一种多价金属元素M，平均含量换算成M / Si摩尔数为0.001至0.02 比率，平均一次粒径为5〜40nm，其中存在于胶体粒子的最外层的多价金属元素M的含量为0〜0.003原子/平方纳米（nm 2）的表面积 胶体颗粒; 和胶体二氧化硅粒子分散在有机溶剂中的二氧化硅溶胶，胶态二氧化硅粒子分散在聚合性化合物中的二氧化硅溶胶和胶体二氧化硅粒子分散在二羧酸酐中的二氧化硅溶胶。
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公开(公告)号：US20160145110A1
公开(公告)日：2016-05-26
申请号：US15011001
申请日：2016-01-29
CPC分类号： C01B33/14 , B82Y30/00 , C01B33/145 , C01B33/146 , C01P2004/64 , C08K3/36
摘要： There is provided colloidal silica particles comprising at least one polyvalent metal element M selected from a group consisting of iron, aluminum, zinc, zirconium, titanium, tin, and lead in an average content of 0.001 to 0.02 in terms of an M/Si molar ratio, and having an average primary particle diameter of 5 to 40 nm, wherein the content of the polyvalent metal element M present in an outermost layer of the colloidal particles is 0 to 0.003 atom per square nanometer (nm2) of a surface area of the colloidal particles; and a silica sol that the colloidal silica particles are dispersed in an organic solvent, a silica sol that the colloidal silica particles are dispersed in a polymerizable compound, and a silica sol that the colloidal silica particles are dispersed in a dicarboxylic anhydride.
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公开(公告)号：US20160130152A1
公开(公告)日：2016-05-12
申请号：US14896219
申请日：2014-06-05
IPC分类号： C01B33/145 , C01B33/141
CPC分类号： C01B33/145 , C01B33/141
摘要： A silica sol which has excellent moisture absorption resistance and stability as well as high purity and which does not cause coloring of a solvent or a resin to which the silica sol has been applied. The silica sol contains high-purity silica particles, water and/or a liquid organic medium serving as a dispersion medium, and an organic base compound, the silica particles being dispersed in the dispersion medium, wherein the silica particles satisfy the following requirements (a) to (c): (a) the silica particles have a specific surface area, as determined through a nitrogen absorption method, of 20 to 500 m2/g; (b) the silica particles have a moisture absorption amount per specific surface area thereof of 0.5 mg/m2 or less; and (c) the organic base compound is not substantially contained in the inside thereof.
摘要翻译： 具有优异的耐吸湿性和稳定性以及高纯度并且不引起已经施加了二氧化硅溶胶的溶剂或树脂着色的硅溶胶。 二氧化硅溶胶含有高纯度二氧化硅颗粒，水和/或作为分散介质的液体有机介质和有机碱性化合物，二氧化硅颗粒分散在分散介质中，其中二氧化硅颗粒满足以下要求（a ）至（c）：（a）二氧化硅颗粒具有通过氮吸收法测定的比表面积为20〜500m 2 / g; （b）二氧化硅粒子的比表面积的吸湿量为0.5mg / m 2以下， 和（c）有机碱化合物基本上不含在其内部。
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