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首页> 外文期刊>Journal of Polymers and the Environment >Green Synthesis of Aluminium Oxide Nanoparticles and its Applications in Mechanical and Thermal Stability of Hybrid Natural Composites
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Green Synthesis of Aluminium Oxide Nanoparticles and its Applications in Mechanical and Thermal Stability of Hybrid Natural Composites

机译：氧化铝纳米粒子的绿色合成及其在杂化天然复合材料力学和热稳定性中的应用

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摘要

In the current scenario, biosynthesis has a major trend in the world due to its eco-friendly approach, effectiveness and low cost. In this experiment Aluminium Oxide nano powder was extracted from Muntingia Calabura' leaf with aluminium nitrate as precursor. An attempt has been made to develop the properties of sisal/coir, sisal/banana and banana/coir based hybrid composite with addition of aluminium oxide (Al2O3) nano powder. Compression moulding technique was adapted to fabricate the epoxy based natural fiber composites. Nano Al2O3 powder was added in 0, 1, 2 and 3 wt%. The results demonstrate that addition of nano powder up to 3 weight (wt) percentage improvise the tensile, flexural and impact properties for all incorporated hybrid fibers. Residual wt% for sisal/coir, sisal/banana and banana/coir hybrid composites enhanced from 27.15 to 29.14, 26.07 to 31.33% and 23.76 to 27.50% by 3% nano substitution. Degradation temperature improved in different stages of hybrid combinations. Scanning electron microscope (SEM) images clearly showed the reduction of fiber breakage, matrix breakage and void gaps due to alumina nano powder addition.
机译：在当前情况下，生物合成由于其生态友好的方法，有效性和低成本而在世界上具有主要趋势。在该实验中，以硝酸铝为前体从Muntingia Calabura'的叶中提取了氧化铝纳米粉。已经尝试通过添加氧化铝（Al 2 O 3）纳米粉末来开发基于剑麻/椰壳，剑麻/香蕉和香蕉/椰壳的混杂复合材料的性能。压缩成型技术适于制造基于环氧的天然纤维复合材料。以0、1、2和3重量％添加纳米Al 2 O 3粉末。结果表明，添加高达3％（重量）百分比的纳米粉改善了所有掺入杂化纤维的拉伸，挠曲和冲击性能。通过3％的纳米取代，剑麻/椰壳纤维，剑麻/香蕉和香蕉/椰壳纤维杂化复合材料的残留wt％从27.15增至29.14、26.07增至31.33％和23.76增至27.50％。在混合组合的不同阶段降解温度提高。扫描电子显微镜（SEM）图像清楚地表明由于添加了氧化铝纳米粉末，减少了纤维断裂，基体断裂和空隙。

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