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首页> 外文期刊>Journal of Applied Polymer Science >Effect of electric field on polymer/clay nanocomposites depending on the affinities between the polymer and clay
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Effect of electric field on polymer/clay nanocomposites depending on the affinities between the polymer and clay

机译：电场对聚合物/粘土纳米复合材料的影响取决于聚合物与粘土之间的亲和力

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Applying an electric field is an efficient way to fabricate polymer/clay nanocomposites. It helps to achieve a good dispersion of nanoclays which improves the performance of the polymeric system. In this study, the effect of an alternating current (A.C.) electric field was investigated on clay exfoliation with various combinations of polymer/clay nanocomposites. Three different types of organoclays (Cloisite 10A, 20A, 30B) were introduced in polypropylene (PP) and poly(lactic acid) (PLA) matrices. Their rheological properties showed that the A.C. electric field was effective in enhancing the dispersion of organoclays in both the PP/clay and PLA/clay composites. The efficiency of the A.C. field varied depending on the combination of polymer and clay nanoparticles. In the case of PP, the best combination was PP/C20A followed by PP/C10A and PP/C30B. In contrast, PLA/clay showed an opposite trend. This difference arises from the different affinities between the polymers and the functional groups of the clays. The Hansen solubility parameter was introduced to quantify the affinities between the polymer and clay. The electric field was more effective for polymer/clay combinations that had less difference in the Hansen solubility parameter. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43582.
机译：施加电场是制造聚合物/粘土纳米复合材料的有效方法。它有助于实现纳米粘土的良好分散，从而改善聚合物体系的性能。在这项研究中，研究了交流电（A.C.）电场对聚合物/粘土纳米复合材料各种组合对粘土剥落的影响。将三种不同类型的有机粘土（Cloisite 10A，20A，30B）引入聚丙烯（PP）和聚乳酸（PLA）基质中。它们的流变性表明，交流电场有效地增强了有机粘土在PP /粘土和PLA /粘土复合材料中的分散性。交流电场的效率根据聚合物和粘土纳米颗粒的组合而变化。对于PP，最佳组合是PP / C20A，其次是PP / C10A和PP / C30B。相反，PLA /粘土显示出相反的趋势。这种差异是由于聚合物与粘土的官能团之间的亲和力不同而引起的。引入Hansen溶解度参数以量化聚合物与粘土之间的亲和力。对于Hansen溶解度参数差异较小的聚合物/粘土组合，电场更有效。 （c）2016 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，43582。

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