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有机硅树脂合成及其共混改性研究
引用本文:郭旭,黄玉东.有机硅树脂合成及其共混改性研究[J].合成树脂及塑料,2003,20(6):25-27,46.
作者姓名:郭旭  黄玉东
作者单位:哈尔滨工业大学应用化学系,哈尔滨,150001
摘    要:通过实验筛选出合成有机硅树脂的配方,讨论了原料配比、水解温度,介质酸度和溶剂组成对有机硅树脂的影响。采用傅里叶变换红外光谱表征了聚甲基丙烯酸丁酯(PBMA)共混改性有机硅树脂前后的结构特征;采用扫描电子显微镜分析了有机硅树脂、PBMA和PBMA共混改性有机硅树脂的微观结构,进而探讨,改性有机硅树脂室温同化机理,即有机硅树脂分子和PBMA分子之间的互相介入、互相贯穿使之形成网络,具有了自由基协同效应。

关 键 词:有机硅树脂  合成  共混改性  聚甲基丙烯酸丁酯  室温同化

Study on synthesis and blending modification of silicone resin
Guo Xu,Huang Yudong.Study on synthesis and blending modification of silicone resin[J].China Synthetic Resin and Plastics,2003,20(6):25-27,46.
Authors:Guo Xu  Huang Yudong
Abstract:The recipe for synthesizing silicone resin was determined through screening experiment and the effects of raw material ratio, hydrolysis temperature, medium acidity, and solvent composition on properties of the silicone resin were discussed. The molecular structure of the silicone resin pre-and post-blending modification by poly (butyl methacrylate)(PBMA) was characterized by Fourier transform infra-red spectrometry. The variations in microstructure of the silicone resin, PBMA and the silicone resin modified by blending PBMA were examined by means of scanning electron microscope. And furthermore, the curing mechanism of the modified silicone resin at ambient temperature was explored, involving the molecular interposition between silicone resin and PBMA, formation of interpenetrating networks and the free radical synergistic effect.
Keywords:silicone resin  poly(butyl methacrylate)  blending modification  ambient cure
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