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    • 2. 发明授权
    • Methods for controlling silica scale in aqueous systems
    • 在水体系中控制二氧化硅垢的方法
    • US07316787B2
    • 2008-01-08
    • US10943745
    • 2004-09-17
    • Robert A. HendelLaibin YanLongchun Cheng
    • Robert A. HendelLaibin YanLongchun Cheng
    • C02F5/10
    • C02F5/10
    • A method of controlling the deposition of silica containing scales and their adhesion to surfaces in contact with an aqueous system is disclosed which comprises adding to the aqueous system about 1-500 ppm of a water-soluble or dispersible hydrophobically modified polyether polymer. Exemplary hydrophobically modified polyether polymers include alkylene oxide hydrophilic backbone repeat units and hydrophobic groups that may be attached to the backbone at a variety of locations such as 1) at the ends of the backbones, 2) either regularly or randomly spaced along the backbone length, or 3) as linking groups to link two or more portions of the backbone together.
    • 公开了一种控制二氧化硅沉积的方法及其与水性体系接触的表面的粘附性,该方法包括向水性体系中加入约1-500ppm的水溶性或可分散的疏水改性的聚醚聚合物。 示例性疏水改性的聚醚聚合物包括烯化氧亲水性主链重复单元和疏水基团,其可以在各种位置连接到主链,例如1)在骨架的末端,2)沿骨架长度规则地或随机间隔开, 或3)作为连接基团以将骨架的两个或多个部分连接在一起。