Extraction and Characterization of Cellulose Nanocrystals Produced by Acid Hydrolysis from Corn Husk

被引：45
作者：
Kampeerapappun, Piyaporn [1 ]
机构：
[1] Rajamangala Univ Technol Krungthep, Fac Text Ind, Div Text Chem Engn, Bangkok 10210, Thailand
来源：
JOURNAL OF METALS MATERIALS AND MINERALS | 2015年 / 25卷 / 01期
关键词：
Corn husk; Cellulose nanocrystals; Acid-hydrolysis; Extraction;
D O I：
10.14456/jmmm.2015.3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Corn husk is one of the agricultural residues which are abundant, inexpensive, and readily available source of renewable lignocellulosic biomass. Cellulose nanocrystals (CNCs) were extracted from corn husk by alkali and bleaching treatments followed by sulfuric acid hydrolysis treatment. The material obtained after each stage of the treatments was characterized. Morphological investigation was carried out using scanning electron microscope (SEM) and transmission electron microscopy (TEM). Fourier transform infrared (FTIR) spectroscopy showed the progressive removal of non-cellulosic materials. The crystallinity of corn husk and CNCs was also investigated using X-ray diffraction analysis (XRD). The highest crystallinity index value of this study is 68.33% for cellulose nanocrystals.
引用
收藏
页码：19 / 26
页数：8
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