| 有机硅改性环氧树脂制备及热稳定性 |
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| 引用本文： | 贵大勇,郝景峰,赖玉丽,李海红,陈燕婷,周佳松,谭紫文.有机硅改性环氧树脂制备及热稳定性[J].深圳大学学报(理工版),2011,28(6). |
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| 作者姓名： | 贵大勇 郝景峰 赖玉丽 李海红 陈燕婷 周佳松 谭紫文 |
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| 作者单位： | 深圳大学化学与化工学院,深圳市功能高分子重点实验室,深圳518060 |
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| 基金项目： | 国家重点基础研究发展计划基金资助项目 |
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| 摘 要： | 采用二苯基硅二醇与双酚A型环氧树脂(E-44)反应,制备有机硅环氧树脂及其固化物.通过正交和单因素实验研究原料物质的量比、反应温度和时间对树脂热稳定性的影响,用热机械分析仪、热失重分析仪、傅立叶变换红外光谱仪和化学滴定分析等对改性树脂进行表征.结果表明,用二苯基硅二醇改性E-44,在催化剂为二丁基二月桂酸锡,二苯基硅二醇与E-44物质的量比1∶4,反应温度110℃,反应时间2h时,得综合热稳定性能优异的有机硅改性环氧树脂,较未改性环氧树脂,其热膨胀系数下降33.2％,内应力参数下降36.3％,初始热分解温度提高15℃,而玻璃化转变温度无明显降低,有良好的热稳定性.
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| 关 键 词： | 有机高分子材料 环氧树脂 有机硅树脂 复合材料 热失重 热膨胀系数 改性 |
Modification of epoxy resin with diphenyl silanediol and its thermal stability |
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| GUI Da-yong,HAO Jing-feng,LAI Yu-li,LI Hai-hong,CHEN Yan-ting,ZHOU Jia-song,TAN Zi-wen.Modification of epoxy resin with diphenyl silanediol and its thermal stability[J].Journal of Shenzhen University(Science &engineering),2011,28(6). |
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| Authors: | GUI Da-yong HAO Jing-feng LAI Yu-li LI Hai-hong CHEN Yan-ting ZHOU Jia-song TAN Zi-wen |
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| Affiliation: | GUI Da-yong,HAO Jing-feng,LAI Yu-li,LI Hai-hong,CHEN Yan-ting,ZHOU Jia-song,and TAN Zi-wen College of Chemistry and Chemical Engineering Shenzhen Key Laboratory of Functional Polymer Shenzhen University Shenzhen 518060 P.R.China |
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| Abstract: | Modification of epoxy resin with organic silicone is an effective method to prepare the new thermosetting epoxy resin with high thermal stability,low shrinkage,and good mechanical properties.Diphenyl silanediol and bisphenol A epoxy resins(E-44) were used to prepare the silicone-epoxy resins and the cured materials.The chemical structure and thermal mechanical properties of the modified resins were characterized by thermal mechanical analyzer(TMA),thermogravimetric analysis(TGA),infrared spectroscopy(IR),et... |
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| Keywords: | organic polymer materials epoxy resins silicone resins composite materials thermogravimetry cofficient of thermal expansion modification |
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