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首页> 外文期刊>Nanotechnology >Multifunctional role of an ionic liquid in melt-blended poly(methylmethacrylate)/ multi-walled carbon nanotube nanocomposites
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Multifunctional role of an ionic liquid in melt-blended poly(methylmethacrylate)/ multi-walled carbon nanotube nanocomposites

机译：离子液体在熔融共混聚甲基丙烯酸甲酯/多壁碳纳米管纳米复合材料中的多功能作用

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摘要

Poly(methyl methacrylate) (PMMA)/multi-walled carbon nanotube (MWNT) nanocomposites with a homogeneous dispersion of MWNTs have been fabricated by a simple melt-mixing method in the presence of a room-temperature ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate [BMIM][PF6]. It has been found that the ionic liquid provided multiple functions in the preparation of the nanocomposites: (1)the ionic liquid acts as an effective compatibilizer to significantly improve the dispersion of MWNTs in the PMMA matrix; (2)the ionic liquid is an efficient plasticizer for the prepared nanocomposites, inducing a drastically reduced glass transition temperature in the PMMA matrix; (3)the ionic liquid acts as a processing aid for the melt processing of PMMA/MWNT nanocomposites; (4)the ionic liquid increases the electrical conductivity as a dopant. This strategy is free of solvents and compatible with industrial applications, which opens new avenues for the larger-scale fabrication of polymer/carbon nanotube nanocomposites.
机译：MWNTs均匀分散的聚甲基丙烯酸甲酯（PMMA）/多壁碳纳米管（MWNT）纳米复合材料是通过简单的熔融混合方法在室温离子液体1-丁基-3存在下制备的-甲基咪唑六氟磷酸盐[BMIM] [PF6]。已经发现离子液体在纳米复合材料的制备中提供了多种功能：（1）离子液体作为有效的增容剂以显着改善MWNT在PMMA基质中的分散; （2）离子液体是制备的纳米复合材料的有效增塑剂，可大大降低PMMA基体的玻璃化转变温度; （3）离子液体作为PMMA / MWNT纳米复合材料熔融加工的加工助剂; （4）离子液体作为掺杂剂增加导电性。该策略不含溶剂，并且与工业应用兼容，这为大规模生产聚合物/碳纳米管纳米复合材料开辟了新途径。

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