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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >A review on the properties of natural fibres and its bio-composites: Effect of alkali treatment
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A review on the properties of natural fibres and its bio-composites: Effect of alkali treatment

机译：天然纤维及其生物复合材料的特性综述：碱处理的效果

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摘要

Due to the dominating advantages of natural fibres such as biodegradability, eco-friendliness, nominal cost, low density and high specific strength, they are being used opposite to synthetic fibres in many industrial applications. Despite many advantages, these fibres face some limitations such as higher moisture uptake, quality variations, low thermal stability, and poor compatibility with polymeric matrix. To overcome these limitations, chemical treatments of these fibres were found to be the most suitable method to improve adhesion with polymers, increase their strength and water absorption resistance, and improve their composite properties also. Among chemical treatments, alkali treatment is the most widely used and versatile surface modification method of the natural fibres. A good number of research works have been carried out on effect of alkali treatment on the properties of natural fibres and its composites, which motivated for this review. In this paper, the effect of alkali treatment on the properties of natural fibres has been reviewed. In addition, the physical and mechanical properties, thermal analysis and tribological behaviour of its biocomposites are also reviewed. It was concluded that alkali treatment of natural fibres could provide enhanced properties of various bio-composites up to a great extent.
机译：由于天然纤维的主要优势，例如可生物降解性，生态友好性，标称成本，低密度和高比强度，它们在许多工业应用中都与合成纤维相反地使用。尽管具有许多优点，但这些纤维仍面临一些局限性，例如更高的吸湿率，质量变化，低热稳定性以及与聚合物基体的相容性差。为了克服这些限制，发现对这些纤维进行化学处理是最合适的方法，以改善与聚合物的粘合性，增加其强度和耐吸水性并改善其复合性能。在化学处理中，碱处理是天然纤维中使用最广泛，用途最广泛的表面改性方法。关于碱处理对天然纤维及其复合材料性能的影响，已经进行了大量的研究工作，这是本综述的动机。本文综述了碱处理对天然纤维性能的影响。此外，还审查了其生物复合材料的物理和机械性能，热分析和摩擦学行为。结论是，天然纤维的碱处理可以在很大程度上提高各种生物复合材料的性能。

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