Effect of particle size on the properties of avocado pear wood fiber/low-density polyethylene composite enhanced by pretreatment

IF 2.4 4区 材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING
R. M. Government, Edozie Thompson Okeke
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引用次数: 0

Abstract

Abstract The work entailed the influence of particle size on the characteristics and water absorption resistance of avocado pear wood fiber/low-density polyethylene (APWF/LDPE) composite enhanced by pretreatment. The fiber particle of 100, 80, 60, 40, and 20 mesh (150, 180, 250, 425, and 850 µm) for the avocado wood fiber (APWF) was infused in the resin. Each particle of the fiber with fiber content of 5–25 wt% for the untreated, pretreated with NaOH, NaOH + CH3COOH, and NaOH + CH3COOH + MAPE was intermixed in the resin to produce the APWF/LDPE composites, respectively. The APWF/LDPE composites were analyzed on the properties, water absorption resistance, Fourier transform infra-red, and scanning electron microscopy. The study exhibited that mechanical properties and water absorption resistance of the APWF/LDPE composite were improved at lower particle of the fiber triggered by treatment. The best properties were confirmed at 150 µm of APWF pretreated with NaOH + CH3COOH + MAPE when compounded with the resin. These were proportional to 15.92 MPa, 0.867 GPa, 41.39 MPa, 0.662 GPa, 683 Pa, 84.04 kJ m−2, and 2.44 % for tensile strength, elastic modulus, flexural strength, bending modulus, Brinell hardness, impact strength, and water absorption resistance, respectively. The APWF/LDPE composite for NaOH + CH3COOH + MAPE pretreated is recommended for interior cabinet of an automobile.
粒度对预处理增强的鳄梨木纤维/低密度聚乙烯复合材料性能的影响
摘要 该研究涉及粒度对通过预处理增强的鳄梨木纤维/低密度聚乙烯(APWF/LDPE)复合材料的特性和吸水性的影响。将 100、80、60、40 和 20 目(150、180、250、425 和 850 微米)的鳄梨木纤维(APWF)颗粒注入树脂中。将未经处理、用 NaOH 预处理、NaOH + CH3COOH 和 NaOH + CH3COOH + MAPE 的纤维含量为 5-25 wt%的每种纤维颗粒混合在树脂中,分别制成 APWF/LDPE 复合材料。对 APWF/LDPE 复合材料的性能、耐吸水性、傅立叶变换红外光谱和扫描电子显微镜进行了分析。研究结果表明,当处理引发的纤维颗粒越小,APWF/LDPE 复合材料的机械性能和吸水性能越好。经 NaOH + CH3COOH + MAPE 预处理的 150 µm APWF 与树脂复合时,性能最佳。拉伸强度、弹性模量、弯曲强度、弯曲模量、布氏硬度、冲击强度和耐吸水性分别为 15.92 MPa、0.867 GPa、41.39 MPa、0.662 GPa、683 Pa、84.04 kJ m-2 和 2.44%。建议将经过 NaOH + CH3COOH + MAPE 预处理的 APWF/LDPE 复合材料用于汽车内饰柜。
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来源期刊
Materials Testing
Materials Testing 工程技术-材料科学:表征与测试
CiteScore
4.20
自引率
36.00%
发文量
165
审稿时长
4-8 weeks
期刊介绍: Materials Testing is a SCI-listed English language journal dealing with all aspects of material and component testing with a special focus on transfer between laboratory research into industrial application. The journal provides first-hand information on non-destructive, destructive, optical, physical and chemical test procedures. It contains exclusive articles which are peer-reviewed applying respectively high international quality criterions.
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