| 可UV固化的稳定硅溶胶的制备及其应用 |
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| 引用本文： | 赵磊,鲁文杰.可UV固化的稳定硅溶胶的制备及其应用[J].涂料工业,2012,42(4):56-58,66. |
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| 作者姓名： | 赵磊 鲁文杰 |
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| 作者单位： | 五邑大学化学与环境工程学院,广东江门,529020 |
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| 摘 要： | 在自制的"凝胶抑制剂"存在下,用正硅酸乙酯和γ-(甲基丙烯酰氧)丙基三甲氧基硅烷为前驱体,丙烯酸羟乙酯为表面修饰剂,在酸性条件下发生共水解-缩合反应,制得可UV固化的有机/无机杂化聚合物(稳定硅溶胶),在60℃干燥箱中贮存28 d未发生凝胶现象。TEM测试结果表明:该杂化聚合物包含微米尺寸的团聚颗粒和纳米颗粒。光固化涂膜性能测试表明:含纳米颗粒的稳定硅溶胶能明显改善涂膜的柔韧性、附着力和硬度。
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| 关 键 词： | 光固化 稳定硅溶胶 凝胶抑制剂 |
Preparation and Application of UV- Curable Stable Silica Sols |
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| Zhao Lei
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Lu Wenjie.Preparation and Application of UV- Curable Stable Silica Sols[J].Paint & Coatings Industry,2012,42(4):56-58,66. |
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| Authors: | Zhao Lei Lu Wenjie |
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| Affiliation: | (School of Chemical and Environmental Engineering,Wuyi University,Jiangmen,Guangdong 529020,China) |
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| Abstract: | A UV-curable organic/inorganic hybrid polymer(stable silica sol) was prepared with tetraetyl orthosilicate and 3-trimethoxysilyl-propy-methacrylate and acidic catalyst and hydrolyzed and condensed with 2-hydoxyethyl acrylate,in the presence of self-made"gel inhibitor" as the precursors,which did not show any gel when stored for 28 days in 60 ℃ drying cabinet.The TEM examination showed that the hybrid polymers consisted of micro-sized agglomeration particles and nano-sized particles.The properties test of cured film showed that modified silica sols which consisted of nano particles could significantly improve the flexibility,adhesion and hardness of the film. |
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| Keywords: | UV curing stable silica sol gel inhibitor |
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