使用纳米SiO2粉体与丙烯酸酯单体通过细乳液聚合制备出丙烯酸酯/纳米SiO2复合乳液.采用红外光谱法(FT-IR),透射电子显微镜(TEM),拉力试验机以及热分析仪等对复合乳液及其胶膜的结构、形貌、耐热性及力学性能进行了表征.研究了纳米SiO2的用量对复合乳液及其胶膜性能的影响.结果表明:丙烯酸酯/纳米SiO2复合乳液粒子具有核壳结构；纳米SiO2粒子的加入,提高了乳胶膜的热稳定性和力学性能；当SiO2用量为5％(质量分数)时,胶膜的透光性能较好.
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