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公开(公告)号：EP3081531A1
公开(公告)日：2016-10-19
申请号：EP14870123.8
申请日：2014-12-11
发明人： YOSHITAKE, Keiko , UMEDA, Ai , KIKUNAGA, Ichitaro
IPC分类号： C01B33/18 , C01B33/145
CPC分类号： C01B33/1417 , C01B33/145 , C01B33/18 , C01P2004/04 , C01P2004/54 , C01P2004/64 , C01P2006/80
摘要： Silica particles for which an alkoxy silane serves as the raw material, and which fulfill the following conditions (a)-(c). (a) The content of alkali metal elements is at most 5ppm relative to silica solids. (b) The moisture absorption at 50% relative humidity is at most 0.25mg/m 2 , and the refractive index measured by liquid immersion is 1.450-1.460. (c) The mean primary particle diameter as calculated from the specific surface area measured by nitrogen adsorption is 10-100nm.
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2.发明公开SILICA-CONTAINING RESIN COMPOSITION AND METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE PRODUCED FROM SILICA-CONTAINING RESIN COMPOSITION 审中-公开含二氧化硅树脂组合物和方法及其生产和形式的制品硅质树脂组合物
公开(公告)号：EP3009480A1
公开(公告)日：2016-04-20
申请号：EP14811370.7
申请日：2014-06-05
IPC分类号： C08L101/00 , C01B33/145 , C01B33/18 , C08K3/36
CPC分类号： C08K9/06 , C01B33/141 , C01B33/145 , C01B33/148 , C01P2006/12 , C08K3/36 , C08K2201/006 , C08L101/00 , C09C1/3081
摘要： A silica-containing resin composition characterized by comprising 100 parts by mass of a resin and 5 to 300 parts by mass of silica particles that satisfy the following requirements (a) to (c): (a) the specific surface area of the silica particles is 20 to 500 m 2 /g as determined by a nitrogen adsorption method; (b) the moisture adsorption rate of the silica particles at a relative humidity of 50% is 5.0 mass% or less; and (c) the silica particles do not substantially contain a metal impurity or a halogen.
摘要翻译： 由含有100质量份的树脂和5质量份〜300的二氧化硅颗粒的质量为特征的含二氧化硅的树脂组合物，并满足以下条件（a）至（c）：二氧化硅颗粒（a）的比表面积 是20至500微米为测定通过氮气吸附法2 /克; （B）在50％的相对湿度的二氧化硅颗粒的水分吸附率是5.0质量％或更少; 和（c）二氧化硅颗粒基本上不包含金属杂质或卤素。
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公开(公告)号：EP3009398A1
公开(公告)日：2016-04-20
申请号：EP14810400.3
申请日：2014-06-05
IPC分类号： C01B33/14 , C01B33/141 , C01B33/145
CPC分类号： C01B33/145 , C01B33/141
摘要： The present invention addresses the problem of providing a silica sol which has excellent moisture adsorption resistance and stability, has high purity, and does not undergo discoloration when used in a solvent or a resin. The silica sol according to the present invention is characterized by comprising high-purity silica particles which satisfy the requirements (a) to (c) mentioned below and a medium which comprises water and/or a liquid organic medium and in which the silica particles are dispersed, and is also characterized in that an organic basic compound is contained in the silica sol: (a) the silica sol has a specific surface area of 20 to 500 m 2 /g as determined by a nitrogen adsorption method; (b) the amount of moisture adsorbed per a specific surface area of the silica particles is 0.5 mg/m 2 or less; and (c) each of the silica particles does not substantially contain an organic basic compound in the inside thereof.
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4.发明公开
公开(公告)号：EP3000784A1
公开(公告)日：2016-03-30
申请号：EP14801890.6
申请日：2014-05-14
IPC分类号： C01B33/14 , C01B33/193 , C08K9/06 , C08L63/00
CPC分类号： C08K9/06 , C01B33/128 , C01B33/142 , C01B33/146 , C01B33/148 , C01B33/152 , C08K3/36 , C08L63/00
摘要： A silica sol having a silica particle size/average primary particle size ratio measured by dynamic light scattering of 3.0 or lower, the silica sol containing silica particles having an average primary particle size of 20-100 nm surface modified by an organic silane compound having α-ray emission of 0.005 count/cm 2 ·hr or less and a coefficient of moisture absorption of 0.5 mass% or less when allowed to stand for 48 hours in a 23°C, 50% relative humidity (RH) environment.
摘要翻译： 通过动态光散射测定的二氧化硅粒径/平均一次粒径比为3.0以下的二氧化硅溶胶，含有平均一次粒径为20〜100nm的二氧化硅粒子的二氧化硅溶胶，通过具有± 在23℃，50％相对湿度（RH）环境下放置48小时时，发光量为0.005个/ cm 2·小时以下，吸湿系数为0.5质量％以下。
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