SURFACE-MODIFIED PRECIPITATED SILICAS
    11.
    发明申请
    SURFACE-MODIFIED PRECIPITATED SILICAS 有权
    表面修饰的预浸硅

    公开(公告)号:US20080139756A1

    公开(公告)日:2008-06-12

    申请号:US11939335

    申请日:2007-11-13

    IPC分类号: C08F283/12

    摘要: A surface-modified precipitated silica, useful as a matting agent, contains the silica having a polymer on a surface thereof. The surface-modified precipitated silica improves the transmission of a clear coating material, having a refractive index of nD20=1.4492 and containing 5% by weight of said silica, by at least 20%, in comparison to the same clear coating material containing 5% by weight of a reference precipitated silica surface treated with a polyethylene wax.

    摘要翻译: 可用作消光剂的表面改性沉淀二氧化硅含有在其表面上具有聚合物的二氧化硅。 相比之下,表面改性的沉淀二氧化硅改善透明涂层材料的透射率,其透明涂层材料的折射率为n≥20%= 1.4492且含有5%(重量)的所述二氧化硅,至少为20% 与含有5重量%用聚乙烯蜡处理的参考沉淀二氧化硅表面相同的透明涂料。