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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of epoxy/kaolinite nanocomposites
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Preparation and characterization of epoxy/kaolinite nanocomposites

机译：环氧/高岭土纳米复合材料的制备与表征

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摘要

Epoxy/kaolinite nanocomposites were prepared by adding the organically modified layered kaolinite to an epoxy resin [biphenyl phenol novolac epoxy resin (BPNE)] with 4,4′-diamino biphenyl sulfone (DDS) as a curing agent. The dispersion state of the kaolinite within crosslinked epoxy-resin matrix was examined by X-ray diffraction (XRD) and transmission electron micrograph (TEM). The effects of kaolinite on thermal properties were investigated and discussed by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Experimental results show that BPNE/kaolinite nanocomposites exhibit improved thermal than pure BPNE. When the kaolinite content is 5 wt %, the BPNE/kaolinite nanocomposites show the best thermal properties. These results indicate that nanocomposition is an efficient and convenient method to improve the thermal properties of BPNE.
机译：通过将有机改性的层状高岭土添加到以4,4'-二氨基联苯砜（DDS）作为固化剂的环氧树脂[联苯酚酚醛清漆环氧树脂（BPNE）]中，制备环氧树脂/高岭土纳米复合材料。通过X射线衍射（XRD）和透射电子显微照片（TEM）检查了高岭石在交联的环氧树脂基质中的分散状态。通过差示扫描量热法（DSC）和热重分析（TGA）研究和讨论了高岭石对热性能的影响。实验结果表明，BPNE /高岭土纳米复合材料比纯BPNE具有更好的热学性能。当高岭石含量为5wt％时，BPNE /高岭石纳米复合材料显示出最佳的热性能。这些结果表明，纳米组合物是改善BPNE热性能的一种有效且方便的方法。

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