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    • 1. 发明授权
    • 난반사 효과가 우수한 이중 실리카 티타니아 복합 분체의제조 방법
    • 난반사효과가우수한이중실리카티타니아복합체체의제조방난반
    • KR100411204B1
    • 2003-12-18
    • KR1020010010385
    • 2001-02-28
    • 주식회사 아모레퍼시픽그룹한국화학연구원선진뷰티사이언스(주)
    • 김은정육심욱신홍주이성호이영철이지영서태수
    • A61K8/29A61K8/25
    • PURPOSE: A process of preparing double silica-titania composite powders by allowing silica to support titanium dioxide and then coating the surface of the silica with titanium oxide is provided. Whereby, the composite powders are excellent in irregular reflection and low in hiding power and can be used in a make-up product, ultraviolet screening products, etc.. CONSTITUTION: Silica is allowed to support a large amount of titanium dioxide by the reaction of silica, titanium alkoxide and an aqueous alcohol solution to produce a silica-titania composite carried with titanium dioxide, which is reacted with titanium chloride and the aqueous alcohol solution to produce silica-titania composite powder, which are surface-modified with silicon oil or a fatty acid soap to produce the double silica-titania composite powder.
    • 目的:提供一种通过使二氧化硅负载二氧化钛,然后用二氧化钛涂覆二氧化硅表面来制备二氧化硅 - 二氧化钛复合粉末的方法。 由此,该复合粉末具有优异的不规则反射和低遮盖力,并且可以用于化妆品,紫外线屏蔽产品等等。构成:二氧化硅可以通过反应支撑大量的二氧化钛 二氧化硅,钛醇盐和醇水溶液反应以生产二氧化钛 - 二氧化钛复合物,所述二氧化钛 - 二氧化钛复合物与二氧化钛反应,其与氯化钛和醇水溶液反应以生产二氧化硅 - 二氧化钛复合物粉末,其用硅油或 脂肪酸皂以生产双重二氧化硅 - 二氧化钛复合粉末。