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Effects of Hyperbranched Polyamide on the Properties of Sisal Fiber Reinforced Polypropylene Composites
Journal of Natural Fibers ( IF 2.8 ) Pub Date : 2020-06-30 , DOI: 10.1080/15440478.2020.1787923
Xin Zhao 1, 2 , Zhanying Sun 1, 2 , Anxin Tang 1, 2
Affiliation  

ABSTRACT

In this paper, the effects of hyperbranched polyamide on the properties of sisal fiber reinforced polypropylene composites were studied. And the microstructure, fluidity, mechanical properties, and thermal stability of the composites were characterized. The results show that hyperbranched polyamide can significantly improve the interfacial bonding between fiber and matrix. When the fiber content is 20%, the melt flow rate can increase by 54%. Meanwhile, the tensile property of the composite increases by 50%, the impact strength of silane-treated fiber composite increases by 24%. However, the thermal stability of the composite decreases slightly after the addition of hyperbranched polyamide.



中文翻译:

超支化聚酰胺对剑麻纤维增强聚丙烯复合材料性能的影响

摘要

本文研究了超支化聚酰胺对剑麻纤维增强聚丙烯复合材料性能的影响。并对复合材料的微观结构、流动性、力学性能和热稳定性进行了表征。结果表明,超支化聚酰胺可以显着提高纤维与基体的界面结合力。当纤维含量为20%时,熔体流动速率可提高54%。同时,复合材料的拉伸性能提高了50%,硅烷处理的纤维复合材料的冲击强度提高了24%。然而,加入超支化聚酰胺后,复合材料的热稳定性略有下降。

更新日期:2020-06-30
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