荒漠植物黄豆碱处理改性纤维的研究

Deepshikha yadav, G.P. Singh
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摘要

天然纤维增强复合材料因其生态友好、可生物降解的特点,发展迅速。nfc天然纤维增强复合材料具有成本低、密度低、可回收、可再生、物理机械强度好等多种性能。nfc在汽车、体育、航空航天、船舶、家电、建筑等领域有着广泛的应用。以黄豆荒漠植物纤维为填料制备可生物降解复合材料,并对纤维进行碱处理改性,制备高强度复合材料。通过扫描电子显微镜(SEM)、吸水率测试和傅里叶变换红外光谱(FTIR)等方法,研究了表面改性对纤维的影响。通过SEM分析发现,对纤维进行化学处理可以提高复合材料的附着力。吸水试验结果表明,处理后的纤维由于孔隙率高,表面能好,吸水率高于未处理的纤维。FTIR结果表明,由于处理后纤维的晶体结构更丰富,结构更有序,结晶度指数较未处理纤维有所提高。FTIR结果证明,与未处理的PJ纤维相比,处理后的PJ纤维的TCI总结晶度指数和LOI横向有序指数较高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigations on Alkali Treated Modified Fibers of Desert Plant Prosopis juliflora
The development of natural fiber reinforced composite material is increasing at very fast rate due to their eco-friendly and biodegradable nature. NFCs natural fiber reinforced composites have various properties such as low cost, low density, recyclability, renewability and good physical and mechanical strength. NFCs have wide range of applications such as in automobile, sports, aerospace, marine, home appliances and in building construction. In this paper we used prosopis juliflora desert plant fibers as a filler to make biodegradable composites and alkali treatment was done to modification of fiber in order to make high strength composites materials. By using scanning electron microscopy (SEM), water absorption tests, and Fourier transform infrared spectroscopy (FTIR), this paper examines the effects of surface modification on the fibers. By conducting SEM analysis it has been observed that the chemical treatment of fibers can improve adhesion of the composites. Water absorption test concluded that due to the higher porosity and better surface energy of the treated fiber it had a higher rate of water absorption than the untreated fibers. FTIR results concluded that due to more crystalline structure and more ordered structure crystallinity index of the treated fibers increases compared to untreated fibers. FTIR results proves that TCI total crystallinity index and the LOI lateral order index is high for PJ treated fibers as compared to untreated PJ fibers.
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