METHOD FOR TREATING MINERAL SURFACES
    20.
    发明申请
    METHOD FOR TREATING MINERAL SURFACES 审中-公开
    用于处理矿物表面的方法

    公开(公告)号:US20090081368A1

    公开(公告)日:2009-03-26

    申请号:US12282891

    申请日:2007-03-02

    IPC分类号: B05D3/12

    摘要: The invention provides a method of treating mineral surfaces, comprising the steps ofa) treating the mineral surfaces to remove soiling and b) coating the surfaces with a plastic, which comprises using as the plastic in step b) a transparent, compact-hydrophobic polyurethane preparable by reacting i) polyisocyanates with ii) compounds having at least two hydrogen atoms that are reactive with isocyanate groups.

    摘要翻译: 本发明提供了一种处理矿物表面的方法,其包括以下步骤:a)处理矿物表面以除去污​​物,和b)用塑料涂覆表面,其包括在步骤b)中使用塑料作为塑料,使透明的紧密疏水聚氨酯 可通过使i)多异氰酸酯与ii)具有至少两个与异氰酸酯基团反应的氢原子的化合物来制备。