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Oil palm empty fruit bunch reinforced laminated composites: effect of different recycled plastic and matrix composition

IF 3.1 3区化学 Q2 POLYMER SCIENCE

Polymer Bulletin Pub Date : 2025-03-03 DOI:10.1007/s00289-025-05692-9

Nur Ain Adila Abd Wahab, Norhawanis Shukri, Mariatti Jaafar, Nor Hasima Che Hassan, Raúl García Sanz

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引用次数: 0

Abstract

Natural fiber-reinforced polymer composites (NFRPCs) have been widely used in many applications due to their sustainable nature and potential to replace traditional synthetic polymer composites. This study aims to produce NFRPCs using recycled polypropylene (rPP) and recycled high-density polyethylene (rHDPE) and natural oil palm empty fruit bunch (OPEFB). Different matrix compositions were used to produce NFRPCs (rPP, rHDPE, and the blend of rPP/rHDPE (25:75, 50:50, 75:25)) with OPEFB as reinforcement using the compression method. Thermal stability and melt flow index analysis were used to observe the performance of the recycled plastic and the blends. Three-point bending and horizontal burning tests were employed to evaluate the composite samplesʼ flexural properties and fire-resistant behavior, respectively. The results indicated that recycled rPP/rHDPE blends show higher MFI if compared to pure rPP and rHDPE. The thermal stability and degradation temperature of the rHDPE matrix are higher compared to those of rPP and rPP/rHDPE blends due to rHDPE having long-linear branching with stronger intermolecular forces. NFRPCs composite with rPP matrix shows the highest flexural strength with 48.43 MPa; however, the rPP composites exhibit the highest burning rate of 19.81 mm/min. The composite fracture surface revealed predominant delamination between fiber layers and matrix.

查看原文本刊更多论文

油棕空果束增强层压复合材料：不同再生塑料和基体成分的效果

天然纤维增强聚合物复合材料（NFRPCs）因其具有可持续性和替代传统合成聚合物复合材料的潜力而得到广泛应用。本研究旨在利用再生聚丙烯（rPP）、再生高密度聚乙烯（rHDPE）和天然油棕空果束（OPEFB）生产nfrpc。采用不同的基体组成（rPP、rHDPE、rPP/rHDPE共混物（25:75、50:50、75:25）），以OPEFB为增强剂，采用压缩法制备了nfrpc。采用热稳定性和熔体流动指数分析对再生塑料及其共混物的性能进行了观察。采用三点弯曲和水平燃烧试验分别对复合材料的抗弯性能和耐火性能进行了评价。结果表明，与纯rPP和纯rHDPE相比，再生rPP/rHDPE共混物的MFI更高。由于rHDPE具有较强的分子间力，具有较长的线性分支，因此rHDPE基体的热稳定性和降解温度高于rPP和rPP/rHDPE共混物。以rPP为基体的NFRPCs复合材料抗弯强度最高，为48.43 MPa；而rPP复合材料的燃烧速率最高，为19.81 mm/min。复合材料断口表面主要表现为纤维层与基体间的分层。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polymer Bulletin

Polymer Bulletin 化学-高分子科学

CiteScore

6.00

自引率

6.20%

发文量

0

审稿时长

5.5 months

期刊介绍： "Polymer Bulletin" is a comprehensive academic journal on polymer science founded in 1988. It was founded under the initiative of the late Mr. Wang Baoren, a famous Chinese chemist and educator. This journal is co-sponsored by the Chinese Chemical Society, the Institute of Chemistry, and the Chinese Academy of Sciences and is supervised by the China Association for Science and Technology. It is a core journal and is publicly distributed at home and abroad. "Polymer Bulletin" is a monthly magazine with multiple columns, including a project application guide, outlook, review, research papers, highlight reviews, polymer education and teaching, information sharing, interviews, polymer science popularization, etc. The journal is included in the CSCD Chinese Science Citation Database. It serves as the source journal for Chinese scientific and technological paper statistics and the source journal of Peking University's "Overview of Chinese Core Journals."

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