新型耐热、疏水MQ硅树脂的合成与性能研究  

Synthesis and Performance Study of a Novel MQ Silicon Resin with High Heat Resist and Hydrophobic Property

作　　者：刘方猛[1] 许苗军[1] 李斌[1] 

机构地区：[1]东北林业大学理学院黑龙江省阻燃材料分子设计与制备重点实验室,黑龙江哈尔滨150040

出　　处：《合成化学》2012年第2期165-168,共4页Chinese Journal of Synthetic Chemistry

基　　金：国家自然科学基金资助项目(21174025)

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。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.

关 键 词：MQ硅树脂 水解缩合 热稳定性 疏水性 合成 

分 类 号：O634.4[理学—高分子化学]