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Effect of pre-acid-hydrolysis treatment on morphology and properties of cellulose nanowhiskers from coconut husk

机译：预酸水解处理对椰壳纤维素纳米晶须形态和性能的影响

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Three different pre-acid-hydrolysis treatments were used to treat coconut husk fibers for preparing cellulose nanowhiskers by sulfuric acid hydrolysis. The effects of those treatments on the morphology and properties of the nanowhiskers were investigated. FTIR was employed to evaluate the change of chemical composition due to different pre-acid-hydrolysis treatments. AFM images showed that there was no significant difference of size of nanowhiskers obtained by different pre-acid-hydrolysis treatment, 2-3 nm of average thickness. The thermal decomposition of nanowhiskers shifted to higher temperatures with removal of hemicellulose and lignin.
机译：三种不同的预酸水解处理用于处理椰子壳纤维，通过硫酸水解制备纤维素纳米晶须。研究了这些处理对纳米晶须的形态和性能的影响。 FTIR被用来评估由于不同的预酸水解处理而引起的化学成分的变化。原子力显微镜图像显示，通过不同的预酸水解处理获得的纳米晶须的尺寸没有明显差异，平均厚度为2-3 nm。随着半纤维素和木质素的去除，纳米晶须的热分解转移到更高的温度。

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