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首页> 外文期刊>RSC Advances >Effect of ionic liquid-containing poly(epsilon-caprolactone) on the dispersion and dielectric properties of polymer/carbon nanotube composites
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Effect of ionic liquid-containing poly(epsilon-caprolactone) on the dispersion and dielectric properties of polymer/carbon nanotube composites

机译：含离子液体聚（ε-己内酯）对聚合物/碳纳米管复合材料的分散和介电性能的影响

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摘要

Supramolecular chemistry is a reliable and effective field that encompasses the functionalization of carbon nanotubes (CNTs) through non-covalent interactions, such as pi-pi stacking and cation-pi interactions. In this work, poly(epsilon-caprolactone) (PCL) containing an ionic liquid group was synthesized through ring-opening polymerization of epsilon-caprolactone by using a hydroxylated ionic liquid derived from imidazole and 2-bromoethanol. Ionic liquid-containing PCL exhibited affinity for the pi-conjugated structure in CNTs. The fabricated PCL/CNTs composite showed improved CNTs dispersion because of the addition of ionic liquid-containing PCL as a compatibilizer. The composites also demonstrated enhanced electronic and dielectric properties as a result of the excellent interfacial control by the compatibilizer, which could be due to the anchoring of PCL chains onto the CNTs surface via non-covalent (supramolecular) functionalization. This simple approach provides novel supramolecular tools for using renewable resources to prepare CNTs-based composites with high performance.
机译：超分子化学是通过非共价相互作用，例如π-π堆叠以及阳离子π相互作用包括碳纳米管（CNT）的官能化的可靠和有效的字段。在这项工作中，含有离子液体基团的聚（ε-己内酯）（PCL），通过使用由咪唑和2-溴乙醇衍生的羟基化的离子性液体，通过ε-己内酯的开环聚合来合成。离子含液体PCL表现出亲合性的CNT中的π共轭结构。所制造的PCL /碳纳米管复合体表明提高，因为加入离子含液体PCL的作为增容剂的碳纳米管分散体。该复合材料也表现出增强的电子和介电性质如由增容剂的优异的界面控制，这可能是由于通过非共价（超分子）官能PCL链的锚固到碳纳米管表面的结果。这个简单的方法提供了使用可再生资源制备出高性能的基于碳纳米管复合材料新型超分子工具。

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  • 来源
    《RSC Advances》 |2016年第37期|共8页
  • 作者

    Ren Ye; Zhou Zheng; Yin Guangzhong; Chen Guang-Xin; Li Qifang;

  • 作者单位

    Beijing Univ Chem Technol Minist Educ Key Lab Carbon Fiber &

    Funct Polymers Beijing 100029 Peoples R China;

    Beijing Univ Chem Technol Minist Educ Key Lab Carbon Fiber &

    Funct Polymers Beijing 100029 Peoples R China;

    Beijing Univ Chem Technol Coll Mat Sci &

    Engn Beijing 100029 Peoples R China;

    Beijing Univ Chem Technol Minist Educ Key Lab Carbon Fiber &

    Funct Polymers Beijing 100029 Peoples R China;

    Beijing Univ Chem Technol Coll Mat Sci &

    Engn Beijing 100029 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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