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Mechanical and thermal characterization of bagasse fiber/coconut shell particle hybrid biocomposites reinforced with cardanol resin
Results in Chemistry ( IF 2.5 ) Pub Date : 2020-06-09 , DOI: 10.1016/j.rechem.2020.100056
A. Balaji , R. Udhayasankar , B. Karthikeyan , J. Swaminathan , R. Purushothaman

The primary aim of this study is to develop a biocomposite by using biopolymer and natural fibers/particles from renewable resources. With the aid of poly-condensation process, the cardanol thermoset biopolymer resin from cashew nut shell liquid (CNSL) was synthesized. The abundantly available, bagasse fiber (20 mm of length) and coconut shell particle (50 μm) were applied as reinforcement material to produce a new ecological hybrid biocomposite. The prepared fiber and particles are treated chemically. Hybrid composites of Cardanol (C) reinforced with bagasse fiber (BF), Coconut shell powder (CP) and Bagasse fiber/Coconut shell powder (BC) were manufactured using a compression moulding process. This four different kinds of composites, though the sequences are done to have C, C/BF, C/CP, and C/BC. The mechanical properties of the prepared biocomposites were evaluated through tensile, flexural and impact test. These evaluation predicts that C/BF possess comparatively more strength with other hybrid composites. The presence of fiber and particle are attributed in all the biocomposites using FT-IR spectroscopy analysis. Similarly during thermal analysis, C/BF corroborate with higher thermal stability than other biocomposites by thermal gravimetric analysis.



中文翻译:

腰果酚树脂增强的甘蔗渣纤维/椰子壳颗粒杂化生物复合材料的力学和热特性

这项研究的主要目的是通过使用生物聚合物和可再生资源中的天然纤维/颗粒来开发生物复合材料。借助缩聚工艺,由腰果壳液(CNSL)合成腰果酚热固性生物聚合物树脂。将丰富可用的蔗渣纤维(长度为20毫米)和椰子壳颗粒(50微米)用作增强材料,以生产新的生态杂化生物复合材料。制备的纤维和颗粒经过化学处理。使用压缩成型工艺制造了用蔗渣纤维(BF),椰子壳粉(CP)和蔗渣纤维/椰子壳粉(BC)增强的腰果酚(C)杂化复合材料。尽管完成了序列处理以具有C,C / BF,C / CP和C / BC,但是这四种不同的复合材料。通过拉伸,弯曲和冲击试验评估了制备的生物复合材料的机械性能。这些评估预测,C / BF与其他杂化复合材料相比具有相对更高的强度。使用FT-IR光谱分析,纤维和颗粒的存在归因于所有生物复合物中。类似地,在热分析过程中,通过热重量分析,证实了C / BF具有比其他生物复合物更高的热稳定性。

更新日期:2020-06-09
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