采用无皂乳液聚合技术和溶胶-凝胶技术,合成了纳米SiO2/有机硅改性聚丙烯酸酯无皂乳液,采用TEM和SEM观察了乳液和膜的微观结构.纳米复合无皂乳液具有优良的耐化学稳定性,随着纳米SiO2含量增加,乳液的离心稳定性降低;纳米SiO2/有机硅改性聚丙烯酸酯杂化膜的耐溶剂性显著好于有机硅改性聚丙烯酸酯膜,且随着纳米SiO2含量增加,杂化膜的耐溶剂性增加;杂化膜的透光性能好,且具有紫外光吸收特性;杂化膜含有的SiO2粒子的尺寸<100nm,且均匀分散于聚丙烯酸酯组分中.
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