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首页> 外文期刊>RSC Advances >Effect of ionic liquid-containing poly(ε-caprolactone) on the dispersion and dielectric properties of polymer/carbon nanotube composites
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Effect of ionic liquid-containing poly(ε-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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Supramolecular chemistry is a reliable and effective field that encompasses the functionalization of carbon nanotubes (CNTs) through non-covalent interactions, such as π–π stacking and cation–π interactions. In this work, poly(ε-caprolactone) (PCL) containing an ionic liquid group was synthesized through ring-opening polymerization of ε-caprolactone by using a hydroxylated ionic liquid derived from imidazole and 2-bromoethanol. Ionic liquid-containing PCL exhibited affinity for the π-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：超分子化学是一种可靠且有效的领域，其通过非共价相互作用，例如π-π堆叠和阳离子-π相互作用来包括碳纳米管（CNT）的官能化。在这项工作中，通过使用衍生自咪唑和2-溴乙醇的羟基化离子液体，通过ε-己内酯的开环聚合来合成含有离子液体的聚（ε-己内酯）（PCL）。含离子液体的PCL对CNT中的π缀合结构表现出亲和力。由于加入含离子液体的PCL作为增容剂，所以制造的PCL / CNTS复合材料显示出改善的CNT分散体。复合材料还表现出增强的电子和电介质特性，由于增容剂优异的界面控制，这可能是由于PCL链锚固到CNTS表面上通过非共价（超分子）官能化。这种简单的方法为使用可再生资源提供了新的超分子工具，以准备基于CNT的复合材料，具有高性能。

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