目前,鲜见在纯丙类光固化聚氨酯中引入SiO2和ZrO2纳米粒子的报道.采用溶液聚合法制备了纯丙类聚氨酯丙烯酸酯,采用溶胶凝胶法制备SiO2及ZrO2无机溶胶,将无机前驱体与有机相进行杂化,制备了一系列可光固化的有机无机杂化涂料.采用红外光谱(FTIR)和核磁共振氢谱(1H-NMR)对杂化涂料及其涂层进行了结构表征,采用场发射扫描电镜(SEM)研究了杂化涂料涂层的表面形貌,并对涂层进行了物理性能、透明性以及耐磨性能测试.结果表明:杂化涂料涂层中,无机粒子均匀分散在有机相中,且无机粒子半径为20～30 nm;无机粒子的引入显著提升了涂层的物理性能及耐磨性能,涂层的硬度从1H提升到6H,磨耗量减少了80％.
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