用溶液聚合法合成了甲基丙烯酰乙基三甲基氯化铵(DMC)-甲基丙烯酸缩水甘油醚(GMA)-丙烯酸乙酯含季铵盐聚合物(QASP)的丙烯酸酯共聚物,并将合成的含季铵盐的丙烯酸酯共聚物和气相二氧化硅触变剂、氧化亚铜防污剂碾磨混合均匀得到共混物防污涂料.测试结果表明:随着共混物涂料中DMC用量的增加,涂层的抗拉强度先增加后降低,剪切强度降低,亲水性增强,有利于阻抗蛋白质的吸附;涂层吸水率的温敏性较强;防污涂料中铜离子渗出率在达到峰值后还能保持在比较高的水平,对于防污有效.
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