Effect of maleic anhydride (MA) and glycerol triacetate (GTA) compatibilisers on the properties of compression moulded pineapple leaf fibre reinforced polylactic acid green composite

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES Plastics, Rubber and Composites Pub Date : 2021-04-15 DOI:10.1080/14658011.2021.1913810

R. S. Darsan, B. S. J. Retnam

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引用次数: 2

Abstract

ABSTRACT Green composites are area of interest among researchers due to its eco-friendliness. This paper investigates the fabrication and characteristics of pineapple leaf fibre (PALF) reinforced polylactic acid (PLA) green composites with and without the addition of maleic anhydride (MA) and glycerol triacetate (GTA). Green composites can be applied in single-use short-term applications, like packaging and biomedicals. In this study, the green composites undergo investigation for thermal, mechanical, dynamic and morphological characteristics to find the effect of PALF loading in PLA, with and without compatibilisers. The compatibilising effects were established in FTIR spectroscopy, dynamic mechanical analysis and differential scanning calorimetry. The impact strength increases by 3.3% and 6.5%, respectively, for MA and GTA compatibilisers while an increase of 3.85% and a decline of 1.4% in case of tensile strength was noticed. The morphological studies show a poor interfacial bonding and dispersion attributed to the failure of the on GTA compatibilised composites.

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马来酸酐(MA)和三乙酸甘油(GTA)增容剂对菠萝叶纤维增强聚乳酸绿色复合材料性能的影响

绿色复合材料因其生态友好性而成为研究人员感兴趣的领域。研究了菠萝叶纤维(PALF)增强聚乳酸(PLA)绿色复合材料的制备及其性能，并对添加和不添加马来酸酐(MA)和三乙酸甘油(GTA)进行了研究。绿色复合材料可用于一次性短期应用，如包装和生物医药。在本研究中，研究了绿色复合材料的热、力学、动力和形态特征，以发现在PLA中添加和不添加增容剂时PALF的影响。通过FTIR光谱、动态力学分析和差示扫描量热法确定了增容作用。MA和GTA相容剂的冲击强度分别提高了3.3%和6.5%，而拉伸强度提高了3.85%，下降了1.4%。形态学研究表明，GTA增容复合材料的失效导致界面键合和分散性差。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.