| 甲基丙烯酸甲酯/蒙脱土纳米复合材料的研究 |
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| 引用本文： | 王国成,尚晓艳,蒋涛.甲基丙烯酸甲酯/蒙脱土纳米复合材料的研究[J].湖北大学学报(自然科学版),2006,28(3):277-281. |
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| 作者姓名： | 王国成 尚晓艳 蒋涛 |
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| 作者单位： | 湖北大学化学与材料科学学院 湖北武汉430062 |
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| 基金项目： | 高分子材料湖北省重点实验室开放基金 |
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| 摘 要： | 用烷基铵盐和甲基丙烯酰氧乙基三甲基氯化铵(DMC)对钠基蒙脱土进行有机化处理,采用二次插层法制备有机蒙脱土.X射线衍射(XRD)表明有机阳离子同钠离子发生离子交换作用,导致层间距扩大.采用本体聚合法制备了聚甲基丙烯酸甲酯(PMMA)/蒙脱土(MMT)纳米复合材料,测试了光学性能、力学性能、热稳定性.通过721分光光度计I、R、AFM、XRD、DMTA等手段研究了结构与性能,并与纯PMMA进行了对比.实验结果表明:PMMA可以插层于蒙脱土片层之中,得到共混物的透光率与纯PMMA相当,玻璃化温度比纯PMMA提高了约十几度.
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| 关 键 词： | 甲基丙烯酸甲酯 蒙脱土 插层 纳米复合材料 |
| 文章编号： | 1000-2375(2006)03-0277-05 |
| 收稿时间： | 12 27 2005 12:00AM |
| 修稿时间： | 2005年12月27 |
Study on thermal stability PMMA/montmorillonite nanocomposite |
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| WANG Guo-cheng,SHANG Xiao-yan,JIANG Tao.Study on thermal stability PMMA/montmorillonite nanocomposite[J].Journal of Hubei University(Natural Science Edition),2006,28(3):277-281. |
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| Authors: | WANG Guo-cheng SHANG Xiao-yan JIANG Tao |
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| Institution: | School of Chemistry and Material Science , Hubei University , Wuhan 430062, China |
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| Abstract: | The twice intercalation method to prepare organic-intercalated montmorillonites with dimethylacetamide(DMC) and cetyltrimethylammonium bromide(CTAB) as intercalating agent was introduced and compared with the once intercalation method.PMMA/MMT nanocomposites were prepared by bulk polymerization process.The structure and the properties of nanocomposite are studied by means of dynamic mechanical thermal analysis(DMTA),X-ray diffraction,AFM and so on.Result shows that molecular chains of PMMA had intercalated into the gallery of montmorillonite,glass transition temperature(T_g) of nanoeomposites is higher than that of PMMA. |
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| Keywords: | polymethyl methacrylate montmorillonite intercalation nanocomposite material |
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