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首页> 外文期刊>Journal of Applied Polymer Science >Morphology and thermal and mechanical properties of phosphonium vermiculite filled poly(ethylene terephthalate) composites
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Morphology and thermal and mechanical properties of phosphonium vermiculite filled poly(ethylene terephthalate) composites

机译：nium石填充的聚对苯二甲酸乙二酯复合材料的形貌及热力学性能

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摘要

A series of poly(ethylene terephthalate) (PET)/phosphonium vermiculite (P-VMT) composites were prepared by a melt-blending method, and we investigated the morphology and thermal and mechanical properties of the composites. We prepared P-VMT with quaternary phosphonium salts using the common method followed by a cation-exchange reaction. X-ray diffraction showed that the phosphonium surfactants were partially intercalated into the vermiculite layers, The d-spacing of the PET-clay sample was somewhat less than that of the P-VMT because some degradation of the surfactant took place during melt processing. Compared with PET, the PET-clay composites had a lower decomposition temperature and showed a 17.4% increase in the tensile strength with a P-VMT content of 3 wt %. Scanning electron microscopy and transmission electron microscopy demonstrated that P-VMT had a homogeneous dispersion and good compatibility in the polymer matrix with a low content of additive and indicated that the P-VMT content of 3 wt % was optimal.
机译：采用熔融共混法制备了一系列聚对苯二甲酸乙二醇酯（PET）//石（P-VMT）复合材料，研究了复合材料的形貌，热力学性能。我们使用常规方法，随后进行阳离子交换反应，用季phospho盐制备了P-VMT。 X射线衍射表明，the表面活性剂部分插入into石层中。PET-粘土样品的d-间距略小于P-VMT，因为在熔融加工过程中表面活性剂会发生一定程度的降解。与PET相比，PET-粘土复合材料的分解温度更低，P-VMT含量为3 wt％时，拉伸强度提高了17.4％。扫描电子显微镜和透射电子显微镜表明，P-VMT在聚合物基质中具有均匀的分散性和良好的相容性，且添加剂的含量低，并且表明3wt％的P-VMT含量是最佳的。

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