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中文摘要：
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。
英文摘要：
The full P（BA-co-AA）, PMMA/P（BA-co-AA） and MPS-SiO2/P（BA-co-AA） composite latexes were synthesized through a semi-continuous emulsion polymerization. The percent conversion and the particle size of composite latexes were measured by gravimetric analysis and the Dynamic Light Scattering online. The results show that the instantaneous conversions are higher than 90% and the overall conversions are over 98 %. The z-average particle sizes are the same for the three kinds of composite latexes with different core components. The emulsion was coated onto the PET film to measure the adhesive properties （tack force, peel strength and shear resistance） according to FINAT testing methods. The thermal properties of pressure-sensitive adhesives （PSAs） were determined by thermogravimetric analyses （TGA） and the mechanical properties of PSAs were characterized by Dynamic Mechanical Analysis. The results show that embedding nanosilica into acrylic matrix is favorable to improve the thermal property and increase the shear resistance while keeping the relative high values of tack force and peel strength.
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