Silica base defoamer compositions with improved stability
    1.
    发明授权
    Silica base defoamer compositions with improved stability 失效
    具有改善稳定性的二氧化硅基础消泡剂组合物

    公开(公告)号:US4021365A

    公开(公告)日:1977-05-03

    申请号:US597149

    申请日:1975-07-18

    IPC分类号: B01D19/04 C09D7/12

    摘要: Defoamer compositions having improved stability are prepared from hydrophobic silica, quick-chilled amides, and hydrocarbon oil, with oil soluble organic polymers and surface-active additives as optional ingredients. These compositions are useful in defoaming aqueous systems including paper pulp black liquors, water-base paints, and adhesives.

    摘要翻译: 具有改善的稳定性的消泡剂组合物由疏水性二氧化硅,快速冷却的酰胺和烃油,油溶性有机聚合物和表面活性添加剂作为任选成分制备。 这些组合物可用于消泡水系统,包括纸浆黑液,水基涂料和粘合剂。