Preparation and characterization of high-density polyethylene-reinforced flax straw fibers for use as biocomposite panels

IF 2 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Ali A. M. Yassene, Hussein E. Ali, Ahmed Awadallah-F
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Abstract

The increasing demand for sustainable and eco-friendly materials has driven research into developing biocomposites as alternatives to conventional plastics. This study addresses the challenge of optimizing the properties of biocomposite panels made from high-density polyethylene (HDPE) and short flax straw fibers (FSF) at low content ratios. The aim of the study was to fabricate and characterize biocomposite panels to evaluate their potential for large-scale production. A comprehensive methodology was employed, including the use of Fourier transform infrared (FTIR), thermogravimetric and derivative thermal gravimetric (TGA-DTG), mechanical property testing, differential scanning calorimetry (DSC), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), X-ray diffraction (XRD), water contact angle measurements, ultrasonic testing, water absorption (WA) analysis, and chemical resistance evaluation. Remarkable results revealed that graft copolymerization occurred between HDPE and FSF, as confirmed by FTIR, while SEM indicated the successful incorporation of FSF into the HDPE matrix. The mechanical properties, including tensile strength, elastic modulus, and elongation, were significantly influenced by the presence of FSF. Thermal stability decreased slightly with the addition of FSF, and DSC analysis showed a minor shift in the melting point. Water contact angle values increased with higher FSF content, while XRD results indicated a reduction in HDPE intensity. Water absorption increased with higher FSF content, suggesting a trade-off between fiber content and hydrophobicity. The significance of this study lies in demonstrating that these biocomposite panels exhibit promising properties for large-scale production, offering a sustainable alternative to traditional composites in various industrial applications.

生物复合材料板用高密度聚乙烯增强亚麻秸秆纤维的制备和性能研究
对可持续和环保材料的需求不断增长,推动了生物复合材料作为传统塑料替代品的研究。本研究解决了在低含量比下由高密度聚乙烯(HDPE)和短亚麻秸秆纤维(FSF)制成的生物复合材料板性能优化的挑战。该研究的目的是制造和表征生物复合材料板,以评估其大规模生产的潜力。采用傅立叶变换红外(FTIR)、热重法和导数热重法(TGA-DTG)、力学性能测试、差示扫描量热法(DSC)、扫描电镜(SEM)、能量色散x射线(EDX)、x射线衍射(XRD)、水接触角测量、超声波测试、吸水率(WA)分析和耐化学性评估等综合方法。结果表明,HDPE和FSF之间发生了接枝共聚,FTIR证实了这一点,而SEM表明FSF成功地结合到HDPE基体中。力学性能,包括抗拉强度、弹性模量和伸长率,受FSF的存在显著影响。随着FSF的加入,热稳定性略有下降,DSC分析显示熔点有轻微的变化。水接触角值随着FSF含量的增加而增加,而XRD结果表明HDPE强度降低。吸水率随着FSF含量的增加而增加,这表明纤维含量和疏水性之间存在权衡。这项研究的意义在于证明这些生物复合材料板具有大规模生产的前景,在各种工业应用中提供了传统复合材料的可持续替代品。
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
CiteScore
8.60
自引率
0.00%
发文量
1
审稿时长
13 weeks
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