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中文摘要：
以正硅酸乙酯、六甲基二硅氧烷和四甲基二乙烯基二硅氧烷为原料,通过在酸性条件的水解缩合反应合成了一种新型的MQ硅树脂（1）,其结构经1H NMR,FT-IR和XRD表征。用静态接触角和热重分析分别研究了1的润湿性和热稳定性。结果表明：1的接触角为139°,具有良好的疏水性能;1失重5wt%的温度为456℃,具有高的热稳定性。
英文摘要：
A novel MQ silicon resin（1） was synthesized by hydrolysis condensation reaction under acidic conditions from tetraethoxysilane,hexamethyl-disiloxane and divinyltetramethyldisiloxane.The structure was characterized by 1H NMR,FT-IR,and XRD.The wettibility and thermal stability of 1 were investigated by static contact angle and thermogravimetric analysis,respectively.The results showed that the water contact angle of 1was 139° and 5% weight loss temperature was 456 ℃.1 exhibited hydrophobic property and high thermal stability.
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