以正硅酸乙酯(TEOS)、二乙氧基二甲基硅烷(DDS)和γ-甲基丙烯酰氧丙基三甲氧基硅烷(MPTMS)为原料,采用溶胶-凝胶法制备了可紫外光(UV)固化的有机硅杂化涂料.探讨了有机硅的组成和用量以及盐酸、乙醇和水的用量对UV固化有机硅杂化涂膜性能的影响.结果表明:在高度交联的SiO2网络结构中引入线性Si—O—Si链段,且杂化涂料中的有机与无机网络间以共价键的方式结合,使得涂膜既有高硬度又有良好的柔韧性;当TEOS、MPTMS和DDS的物质的量比为3∶1∶2时,涂膜的性能最佳,透光率为94.8%,摆杆硬度为0.72,附着力为0级,柔韧性为4 mm,耐冲击性为35 cm.
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