采用半连续乳液聚合法制备了三种不同核结构的复合乳液:P(BA-co-AA)、PMMA/P(BA-co-AA)和MPS-SiO2/P(BA-co-AA)复合胶乳,乳液聚合反应转化率高,乳胶粒最终粒径控制得基本相同.将此三种乳液涂布在PET薄膜上,测定了核结构对压敏胶粘接性能(如初粘、180°剥离和耐剪切等)的影响.热失重分析、动态机械热分析表征了热性能和动态力学性能.结果表明,丙烯酸酯聚合物中加入纳米二氧化硅有助于改善其耐热性能,而压敏胶的耐剪切性能显著提高.
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