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专利名称：SILICA PARTICLES, MANUFACTURING
METHOD FOR SAME, AND SILICA SOL
发明人：YOSHITAKE, Keiko,UMEDA, Ai,KIKUNAGA,
Ichitaro
申请号：EP14870123.8申请日：20141211公开号：EP3081531A1公开日：20161019
专利附图：
摘要：Silica particles for which an alkoxy silane serves as the raw material, and whichfulfill 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 atmost 0.25mg/m, 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 areameasured by nitrogen adsorption is 10-100nm.
申请人：Nissan Chemical Industries, Ltd.
地址：7-1 Kandanishiki-cho 3-chome Chiyoda-ku Tokyo 101-0054 JP
国籍：JP
代理机构：dompatent von Kreisler Selting Werner - Partnerschaft von Patent- undRechtsanwälten mbB
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