考察了聚丙烯酰胺分散剂和2-氨基-2-甲基-1-丙醇(AMP-95)对纳米TiO2-水分散液的平均粒径和Zeta电位的影响,确定了各自的最佳加入量.并制备出纳米TiO2-苯乙烯-丙烯酸聚合物乳液,制得纳米TiO2复合有机抗菌涂膜.结果表明,聚丙烯酰胺的最佳加入量为2%,AMP-95的最佳加入量为%,且经透射电镜(TEM)观察,有机涂料的TiO2颗粒分散性良好,平均粒径为50 nm;该有机涂膜经自然光照24 h后,对大肠杆菌的杀菌率可达84%.
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