采用核壳乳液聚合法制得了纳米二氧化硅/聚丙烯酸酯复合双重固化乳液.系统研究了纳米二氧化硅的加入对紫外光-热双重固化乳液的固化速率、乳液性能及乳液涂层性能的影响,并对复合乳液的核壳结构进行了表征.实验结果表明,合成的复合双重固化乳液具有核壳结构,复合粒子的平均粒径在200nm左右.当乳液中硅溶胶的含量为5％时,乳液及其涂膜的性能最佳,此时乳液的涂膜硬度达到4H,附着力0级,耐乙醇擦拭234次不破膜,且硅溶胶的引入有助于提高乳液涂膜的耐热性能.
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