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    • 8. 发明申请
    • PARTICULATE TITANIUM DIOXIDE COATED PRODUCT AND METHOD OF FORMING TITANIUM DIOXIDE COATED PARTICLES
    • 二氧化钛二氧化钛涂层产品及形成二氧化钛涂层颗粒的方法
    • WO01066652A1
    • 2001-09-13
    • PCT/AU2001/000272
    • 2001-03-13
    • C09C1/02C09C1/40C09C3/06C09C1/00C09C1/36
    • C09C3/063C01P2004/61C01P2004/84C01P2004/86C09C1/024C09C1/407Y10T428/2991
    • A composition of matter comprises particles each having a substrate being an oxide or other suitable compound of a metal other than titanium or of certain non-metal elements, and a coating on said substrate being a layer of titanium dioxide. A method of forming particles of titania-coated substrate, includes contacting a bed of hydrated particles of an oxide or other suitable compound of a metal other than titanium or of certain non-metal elements with a fluid medium containing flowing titanium tetrachloride, under conditions in which a layer comprising one or more involatile oxychloride or oxide compounds is formed at and below the surface of each of a multiplicity of the particles of the oxide or other suitable compound which thereby provides a substrate for the layer. The oxychloride or oxide compound or compounds are treated to convert the layer to a titania coating on the particles.
    • 物质组合物包含各自具有底物为氧化物或其它合适的钛以外的金属或某些非金属元素的化合物的颗粒,所述基材上的涂层为二氧化钛层。 一种形成二氧化钛涂覆的基材的颗粒的方法包括使除了钛或某些非金属元素之外的金属或其它合适的金属化合物的水合颗粒床与含有流动的四氯化钛的流体介质接触, 在氧化物或其它合适化合物的多个颗粒的每一个的表面上和下面形成包含一种或多种非挥发性氯氧化物或氧化物化合物的层,由此提供该层的基材。 处理三氯氧化物或氧化物化合物或将化合物转化为颗粒上的二氧化钛涂层。