Treated inorganic particle
    19.
    发明授权
    Treated inorganic particle 有权
    处理无机颗粒

    公开(公告)号:US09115286B2

    公开(公告)日:2015-08-25

    申请号:US14125668

    申请日:2012-06-20

    Abstract: The disclosure provides a treated inorganic particle, in particular a titanium dioxide particle, having reduced photoactivity, lower acid solubility and improved anti-microbial properties comprising: an inorganic core particle, in particular a titanium dioxide particle; a first treatment of silica, wherein the silica is added in a single step; and a second treatment comprising co-precipitated zinc oxide and alumina. These particles have reduced photoactivity, lower acid solubility and improved anti-microbial properties.

    Abstract translation: 本公开提供具有降低的光活性,较低的酸溶解性和改善的抗微生物性能的经处理的无机颗粒,特别是二氧化钛颗粒,其包括:无机芯颗粒,特别是二氧化钛颗粒; 二氧化硅的第一处理,其中二氧化硅在一个步骤中加入; 以及包括共沉淀的氧化锌和氧化铝的第二处理。 这些颗粒具有降低的光活性,较低的酸溶解度和改善的抗微生物性能。

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