以2,4,6,8-四甲基环四硅氧烷和乙烯基三甲氧基硅烷为原料,通过硅氢与乙烯基的加成反应一步合成了新型环状结构前驱体.前驱体与正硅酸乙酯(TEOS)在酸性条件下发生水解-缩合反应,制得了一种具有环状体型结构的新型有机-无机杂化涂料.采用FT-IR对合成的前驱体及杂化涂料进行了结构表征.热失质量(TG)分析表明,杂化涂料的热稳定性良好.随TEOS用量的增加,杂化涂料的热稳定性提高.杂化涂料对金属的附着力1级,光泽＞130,铅笔硬度5 H～6 H,耐冲击性＞50 cm.250g/200r耐磨性试验磨损值为0.003 g,显示出优异的耐磨性能.
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