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Hybridization of graphene sheets with polyethylene terephthalate through the process of in situ polymerization aided by ultrasound

机译:通过超声波辅助的原位聚合方法将石墨烯片与聚对苯二甲酸乙酯杂交

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摘要

A new methodology to prepare hybrid graphene-polyethylenterephthalate nanocomposites by ultrasonication is reported. The hybrids were synthesized by in situ polymerization of a mixture of bis(2-hydroxyethyl) terephthalate (BHET) monomer and graphite oxide (GO) at 200 degrees C, in bulk. The hybrids were analyzed by Thermogravimetric Analysis (TGA), Fourier Transform Infrared Spectroscopy (FTIR), Raman spectroscopy, Transmission Electron Microscopy (TEM) and X-ray diffraction (XRD). The analyses show the grafting of PET oligomers to exfoliated graphene sheets. The results suggest that during the polymerization process exfoliation of the GO and reaction of BHET with its oxygen containing functional groups takes place. The procedure offers a new alternative to manufacture hybrid graphene-PET nanocomposites that can be used in diverse applications.
机译:报道了一种通过超声波制备杂种石墨烯 - 聚乙二醇酯纳米复合物的新方法。 通过以200摄氏度为200℃的双(2-羟乙基)对苯二甲酸苯二甲酸苯二甲酸苯二甲酸苯二甲酸酯和石墨氧化物(GO)的混合物,通过原位聚合来合成杂交化合物。 通过热重分析(TGA),傅里叶变换红外光谱(FTIR),拉曼光谱,透射电子显微镜(TEM)和X射线衍射(XRD)分析杂种。 分析显示PET低聚物的接枝到剥离的石墨烯片。 结果表明,在聚合过程中,BHET与其含氧官能团的去角质进行再裂解和反应。 该方法提供了一种制造杂种石墨烯-宠物纳米复合材料的新替代方案,可用于各种应用。

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