公开(公告)号：EP3000784A4

公开(公告)日：2017-01-04

申请号：EP14801890

申请日：2014-05-14

申请人： NISSAN CHEMICAL IND LTD

发明人： SUEMURA NAOHIKO ,  SHIMADA MEGUMI ,  KIKUNAGA ICHITARO

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 ±-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.

公开(公告)号：EP3009480A4

公开(公告)日：2017-01-25

申请号：EP14811370

申请日：2014-06-05

申请人： NISSAN CHEMICAL IND LTD

发明人： YOSHITAKE KEIKO ,  KIKUNAGA ICHITARO ,  MIYAMOTO AI ,  SHIMADA MEGUMI

IPC分类号： C08L101/00 ,  C01B33/141 ,  C01B33/145 ,  C01B33/148 ,  C01B33/18 ,  C08K3/36 ,  C08K9/06 ,  C09C1/30

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.

公开(公告)号：EP3081531A4

公开(公告)日：2017-06-14

申请号：EP14870123

申请日：2014-12-11

申请人： NISSAN CHEMICAL IND LTD

发明人： YOSHITAKE KEIKO ,  UMEDA AI ,  KIKUNAGA ICHITARO

IPC分类号： C01B33/18 ,  C01B33/141 ,  C01B33/145

CPC分类号： C01B33/1417 ,  C01B33/145 ,  C01B33/18 ,  C01P2004/04 ,  C01P2004/54 ,  C01P2004/64 ,  C01P2006/80

公开(公告)号：EP3009398A4

公开(公告)日：2017-02-15

申请号：EP14810400

申请日：2014-06-05

申请人： NISSAN CHEMICAL IND LTD

发明人： YOSHITAKE KEIKO ,  SUEMURA NAOHIKO ,  SHIMADA MEGUMI ,  KIKUNAGA ICHITARO

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.

摘要翻译： 本发明解决了提供具有优异的耐湿吸附性和稳定性，具有高纯度并且在溶剂或树脂中使用时不发生变色的二氧化硅溶胶的问题。 根据本发明的硅溶胶的特征在于包含满足下述要求（a）至（c）的高纯度二氧化硅颗粒和包含水和/或液体有机介质的介质，其中二氧化硅颗粒为 并且其特征还在于二氧化硅溶胶中含有有机碱性化合物：（a）通过氮吸附法测定的二氧化硅溶胶的比表面积为20〜500m 2 / g; （b）二氧化硅粒子的比表面积吸附的水分量为0.5mg / m 2以下; 和（c）二氧化硅粒子的内部基本上不含有机碱性化合物。