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首页> 外文期刊>Journal of Applied Polymer Science >Effect of different compatibilisers on nanoclay dispersion, thermal stability, and burning behavior of polypropylene-nanoclay blends
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Effect of different compatibilisers on nanoclay dispersion, thermal stability, and burning behavior of polypropylene-nanoclay blends

机译：不同增容剂对聚丙烯-纳米粘土共混物纳米粘土分散性，热稳定性和燃烧行为的影响

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摘要

The dispersion of nanoclays in nonpolar polypropylene (PP) is difficult without the use of a small fraction (1-3%) of modified grafted PP as a compatibiliser. This work reports the effect of different graft-modified polypropylenes on the dispersion of nanoclays in PP, and thermal stability and flammability of the blends. PP has been compounded in a Brabender compounder with a selection of modified PP polymers as compatibilisers. The grafts include maleic anhydride, N-ethytmaleimide, diethylmaleate, diethyl-p-vinylbenzyl phosphor ate, and acrylic acid-2-[(diethoxyphosphoryl)methylamino] ethyl ester. Films were cast from the blends by compression molding and the nanocomposite structures assessed using X-ray diffraction. Thermal characterization was performed using DSC and TGA, the burning behavior was observed using limiting oxygen index measurements, and cone calorimetry where samples were exposed to 35 kW/m(2) external heat flux. (c) 2008 Wiley Periodicals, Inc.
机译：如果不使用一小部分（1-3％）的改性接枝聚丙烯作为增容剂，纳米粘土很难在非极性聚丙烯（PP）中分散。这项工作报道了不同的​​接枝改性聚丙烯对纳米粘土在PP中的分散以及共混物的热稳定性和可燃性的影响。 PP已在Brabender混料机中与精选的改性PP聚合物作为相容剂进行混料。接枝物包括马来酸酐，N-乙基马来酰亚胺，马来酸二乙酯，对乙烯基苄基二磷酸二乙酯和丙烯酸-2-[（二乙氧基磷酰基）甲基氨基]乙酯。通过压缩模塑从共混物中浇铸薄膜，并使用X射线衍射评估纳米复合材料的结构。使用DSC和TGA进行热表征，使用极限氧指数测量和锥量热法观察燃烧行为，其中样品暴露于35 kW / m（2）外部热通量。 （c）2008年Wiley Periodicals，Inc.

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