An experimental study on jute/banana fiber reinforced poly(vinyl alcohol) composites with nanofiller

IF 3.8 4区工程技术 Q2 CHEMISTRY, APPLIED Journal of Vinyl & Additive Technology Pub Date : 2024-07-14 DOI:10.1002/vnl.22127

Tasfia Tasnim, M. S. Rabbi, Md. Mahmudul Adil, Md. Abdul Hasib

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Abstract

The incorporation of nanoparticles into natural fiber composites has the potential to alter the characteristics of natural fiber composites. In this study, various properties of jute and banana fiber reinforced poly(vinyl alcohol) (PVA) composites with different nanofillers incorporation were investigated. Samples were prepared using the vacuum bagging technique. Inorganic nanoparticles (Al₂O₃, ZnO, MgO, CuO, and TiO₂) were synthesized using a ball milling machine and in each sample, 3 wt.% of nanofillers were incorporated. The maximum ultimate tensile strength and elongation percentage is found for TiO₂, which is 90.433% higher than pure PVA whereas MgO incorporated samples provides maximum flexural strength, which is 162.59% higher than PVA. The sample with Al₂O₃ provides strongest impact resistance, 17.3 J/cm². It was found that the decomposition temperatures were slightly higher for MgO and CuO doping than the undoped PVA composite. The FT-IR spectra exhibited notable hydroxyl groups and minor shifts indicating a reduction in hydrophilicity upon the introduction of nanoparticles. The water absorption exhibited a reduction of up to 36% in conjunction with an increase in density across all samples. The highest crystallinity is found for CuO nanofiller composite, validated by x-ray diffraction analysis. Additionally, morphological changes in the composites were seen through scanning electron microscopy and EDX shows a strong peak at 2.1 keV indicate some impurities present in the samples.

Highlights

Jute/banana/PVA composites were prepared with 3 wt% nanoparticles incorporation.
Metal oxides such as Al₂O₃, ZnO, MgO, CuO, and TiO₂ were used as nanoparticle.
The use of nanoparticle improved the tensile, flexural, and impact properties.
Decomposition temperatures were found higher for MgO and CuO incorporated composites.
Upon nanoparticle incorporation, water absorption exhibited a reduction of upto 36%.

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含纳米填料的黄麻/香蕉纤维增强聚乙烯醇复合材料的实验研究

在天然纤维复合材料中加入纳米颗粒有可能改变天然纤维复合材料的特性。在这项研究中，研究了加入不同纳米填料的黄麻和香蕉纤维增强聚乙烯醇（PVA）复合材料的各种特性。样品采用真空装袋技术制备。使用球磨机合成了无机纳米粒子（Al2O3、ZnO、MgO、CuO 和 TiO2），并在每个样品中加入了 3 wt.%的纳米填料。结果发现，TiO2 的极限拉伸强度和伸长率最大，比纯 PVA 高出 90.433%，而加入氧化镁的样品的弯曲强度最大，比 PVA 高出 162.59%。含有 Al2O3 的样品抗冲击性最强，为 17.3 J/cm2。研究发现，掺杂氧化镁和氧化铜的样品的分解温度略高于未掺杂的 PVA 复合材料。傅立叶变换红外光谱显示出明显的羟基和轻微的偏移，表明引入纳米粒子后亲水性降低。所有样品的吸水性降低了 36%，同时密度增加。经 X 射线衍射分析验证，CuO 纳米填料复合材料的结晶度最高。此外，通过扫描电子显微镜观察到了复合材料的形态变化，EDX 在 2.1 keV 处显示了一个强峰值，表明样品中存在一些杂质。纳米粒子的使用改善了黄麻/香蕉/PVA 复合材料的拉伸、弯曲和冲击性能，并发现加入氧化镁和氧化铜的复合材料的分解温度更高。

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来源期刊

Journal of Vinyl & Additive Technology 工程技术-材料科学：纺织

CiteScore

5.40

自引率

14.80%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Vinyl and Additive Technology is a peer-reviewed technical publication for new work in the fields of polymer modifiers and additives, vinyl polymers and selected review papers. Over half of all papers in JVAT are based on technology of additives and modifiers for all classes of polymers: thermoset polymers and both condensation and addition thermoplastics. Papers on vinyl technology include PVC additives.