OALib Journal期刊
ISSN: 2333-9721
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高硅含量水性木器涂料的制备与性能
Keywords: 硅溶胶,硅烷偶联剂,sio2/pa复合乳液
Abstract:
?将改性硅溶胶添加到聚丙烯酸酯乳液中制备高硅含量sio2/聚丙烯酸酯复合乳液(sio2/pa)。研究了硅溶胶用量对sio2/pa乳液及涂膜性能的影响,结果发现sio2/pa复合乳液的sio2含量高达48%,贮存稳定性好,平均粒径为170~180nm。随着硅溶胶与聚丙烯酸酯乳液配比的增大,涂膜的耐水性、耐醇性、摆杆硬度和拉伸强度都有所提高。扫描电子显微镜(sem)测试发现高硅含量涂膜表面平整致密,tga分析表明sio2/pa杂合涂膜热稳定性良好。
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