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PARTICULE COMPOSITE DE SILICONE ET SON PROCÉDÉ DE PRÉPARATION
专利权人:
SHIN-ETSU CHEMICAL CO.; LTD.
发明人:
申请号:
EP14165826.0
公开号:
EP2796509B8
申请日:
2014.04.24
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
The purpose of the present invention is to provide a silicone rubber particle having a higher light scattering property which can be expected to provide makeup cosmetics such as a foundation with a higher soft focus effect, and a method for preparing the same. The present invention provides a silicone composite particle composed of a silicone rubber particle and a polyorganosilsesquioxane, wherein the silicone rubber particle has plural dents on its surface and said polyorganosilsesquioxane adheres to the surface of the silicone rubber particle. Further, the present invention provides a method for preparing the silicone composite particle, wherein the method comprises steps of subjecting organotrialkoxysilane to a hydrolysis and subsequent condensation in the presence of water, an alkaline substance and a silicone rubber particle containing therein a liquid to thereby have a resultant polyorganosilsesquioxane adhered to the surface of the silicone rubber particle, and subsequently removing the liquid.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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