Effect of Agave americana fibers used as reinforcement in the preparation of composites based on recycled PVC,Polymer Composites

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Effect of Agave americana fibers used as reinforcement in the preparation of composites based on recycled PVC
Polymer Composites ( IF 4.8 ) Pub Date : 2022-06-10 , DOI: 10.1002/pc.26785
Lynda Chelali ₁ , Ahmed Benaboura ₁

Affiliation

This work deals with the preparation and the study of a new composite obtained from a thermoplastic polymer and a vegetal fiber. The polymer used is a recycled polyvinylchloride (PVC) and the fiber used was extracted from Agave americana, a plant which grows easily under Mediterranean type climates. Prior chemical treatment of the extracted fiber was necessary to modify the surface of the fiber in order to optimize the adhesion between this fiber and the recycled PVC during the preparation of composites from these materials. For this purpose, our investigations led us to attempt various reactions modification of the surface fiber. The method that gave the best results consists of an alkaline treatment followed by a reaction with acetic anhydride. Once completed chemicals treatments of fiber, the material is mixed with the recycled PVC which serves as a matrix to prepare composites at varying rates from 5% to 30% by weight of agave modified fibers. The effects of the incorporation of raw and processed agave fibers on the mechanical, thermal and morphological properties of PVC/agave fiber composites were examined and discussed.

中文翻译：

美洲龙舌兰纤维作为增强材料在制备基于回收 PVC 的复合材料中的作用

这项工作涉及从热塑性聚合物和植物纤维获得的新型复合材料的制备和研究。使用的聚合物是可回收的聚氯乙烯 (PVC)，使用的纤维是从美洲龙舌兰中提取的，一种在地中海型气候下容易生长的植物。在从这些材料制备复合材料的过程中，必须对提取的纤维进行预先化学处理以改性纤维的表面，以优化该纤维与回收的 PVC 之间的粘附性。为此，我们的研究使我们尝试对表面纤维进行各种反应改性。产生最佳结果的方法包括碱处理，然后与乙酸酐反应。一旦完成纤维的化学处理，该材料将与用作基质的回收 PVC 混合，以制备复合材料，其比例从 5% 到 30%（按重量计）龙舌兰改性纤维。加入生的和加工的龙舌兰纤维对机械性能的影响，

更新日期：2022-06-10

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