通过界面聚合的方法制备了以聚甲基丙烯酸二甲氨基乙酯(PDMAEMA)为交联预聚体,以微孔聚砜膜为基膜的复合纳滤膜;研究了凝胶表层的聚电解质特性.实验表明:荷电纳滤膜的表面具有一定的疏水性.交联凝胶层的溶胀度表现出pH、外加盐浓度、温度的响应性.
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