Effects of Nanocellulose Extracted from Pineapple Leaf Fiber Incorporation on the Physico-Chemical and Thermal Properties of Reinforced Epoxy Nanocomposites

IF 0.4 Q4 NANOSCIENCE & NANOTECHNOLOGY

Nano Hybrids and Composites Pub Date : 2023-10-13 DOI:10.4028/p-omr6hu

Jessalyn C. Grumo, Lady Jaharah Jabber Bulayog, Arnold A. Lubguban, Rey Capangpangan, Akihiro Yabuki, Arnold C. Alguno

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Abstract

The effects of nanocellulose extracted from pineapple leaf fiber on the physico-chemical and thermal properties of epoxy nanocomposite are reported. Nanocellulose was added to the epoxy in different amounts of loadings (0.5, 1.0, 1.5, and 2.0 wt.%) to prepare nanocomposites. The physico-chemical and thermal properties of the nanocellulose reinforced epoxy nanocomposites were investigated. Surface characterization of the nanocomposite was done using scanning electron microscopy (SEM). Functional groups of the nanocomposites were evaluated using fourier transform infrared (FTIR) spectroscopy. Thermal properties of the nanocomposites were investigated using thermogravimetric analyzer (TGA) and differential thermal analyzer (DTA). Experimental results revealed that the 0.5, 1.0, and 1.5 wt.% nanocellulose loadings were homogeneously distributed and well-dispersed in the composite matrix as indicated in the SEM images. However, aggregation was observed in the matrix with 2.0 wt.% nanocellulose loading. Moreover, FTIR spectra revealed that the absorbance of the vibrational mode corresponding to the interaction of nanocellulose and epoxy matrices significantly increases as the nanocellulose loading ratio increased. Furthermore, thermal analysis (TGA/DTA) showed that the incorporation of nanocellulose improved significantly the thermal properties of epoxy nanocomposites.

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菠萝叶纤维提取纳米纤维素对增强环氧纳米复合材料理化和热性能的影响

研究了菠萝叶纤维中提取的纳米纤维素对环氧纳米复合材料理化性能和热性能的影响。将纳米纤维素以不同的负载量(0.5、1.0、1.5和2.0 wt.%)添加到环氧树脂中制备纳米复合材料。研究了纳米纤维素增强环氧纳米复合材料的理化性能和热性能。利用扫描电镜(SEM)对纳米复合材料进行了表面表征。利用傅里叶红外光谱对纳米复合材料的官能团进行了表征。采用热重分析仪(TGA)和差热分析仪(DTA)研究了纳米复合材料的热性能。实验结果表明，0.5、1.0和1.5 wt.%的纳米纤维素负载在复合基质中分布均匀，分散良好。然而，在2.0 wt.%的纳米纤维素负载下，在基体中观察到聚集。此外，FTIR光谱显示，随着纳米纤维素负载比的增加，纳米纤维素与环氧基相互作用对应的振动模式的吸光度显著增加。热分析(TGA/DTA)表明，纳米纤维素的加入显著改善了环氧纳米复合材料的热性能。

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Nano Hybrids and Composites NANOSCIENCE & NANOTECHNOLOGY-

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