PHOTOCATALYST POWDER FOR ENVIRONMENTAL PURIFICATION, POLYMER COMPOSITION CONTAINING THE POWDER AND MOLDED ARTICLE THEREOF, AND PROCESSES FOR PRODUCING THESE
    3.
    发明申请
    PHOTOCATALYST POWDER FOR ENVIRONMENTAL PURIFICATION, POLYMER COMPOSITION CONTAINING THE POWDER AND MOLDED ARTICLE THEREOF, AND PROCESSES FOR PRODUCING THESE 审中-公开
    用于环境净化的光催化粉末,含有粉末和成型品的聚合物组合物及其生产方法

    公开(公告)号:WO99033566A1

    公开(公告)日:1999-07-08

    申请号:PCT/JP1998/005959

    申请日:1998-12-25

    摘要: A photocatalyst powder for environmental purification which comprises fine titanium dioxide particles and a porous coating layer of calcium phosphate formed on at least a part of the surface of the particles, and in which an anionic surfactant is present at least at the interface between the surface of the fine titanium dioxide particles and the porous coating layer of calcium phosphate. The photocatalyst powder is produced by dispersing fine titanium dioxide particles in an aqueous slurry containing an anionic surfactant and then forming a porous coating layer of calcium phosphate on the surface of the fine particles. This photocatalyst powder is used, for example, after having been supported on a molded organic polymer.

    摘要翻译: 一种用于环境净化的光催化剂粉末,其包含在所述颗粒的至少一部分表面上形成的细二氧化钛颗粒和形成在所述颗粒的至少一部分上的磷酸钙的多孔涂层,并且其中至少在所述表面的界面处存在阴离子表面活性剂 细二氧化钛颗粒和磷酸钙的多孔涂层。 通过将二氧化钛微粒分散在含有阴离子表面活性剂的含水浆料中,然后在微粒表面上形成磷酸钙的多孔涂层,来制备光催化剂粉末。 该光催化剂粉末例如在被负载在成型有机聚合物上之后使用。