Preparation and characterization of cellulose nanocrystals from wheat straw and corn stalk

被引：0
|
作者：
Liu Z. [1 ]
He M. [1 ,2 ]
Ma G. [1 ]
Yang G. [2 ]
Chen J. [1 ]
机构：
[1] State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan
[2] State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong
来源：
Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry | 2019年 / 51卷 / 02期
关键词：
Cellulose nanocrystal; Characterization; Cornstalk; Hydrolysis; Wheat straw;
D O I：
10.7584/JKTAPPI.2019.04.51.2.40
中图分类号：
学科分类号：
摘要：
Wheat straw and corn stalk are agricultural residues which are abundant, inexpensive, and readily available source of renewable lignocellulosic biomass. The aim of this study was to prepare cellulose nanocrystals (CNCs) from wheat straw and corn stalk, and to compare their characteristics. To achieve these goals, the CNCs obtained from hydrolysis were characterized in terms of physical, structural and morphological properties. Particle size distribution and atomic force microscopy (AFM) images showed that the CNC from corn stalk (CNC-CS) was more uniform than that from wheat straw (CNC-WS); FTIR spectra implied that acid hydrolysis treatment had no effect on the chemical structure of CNCs. Moreover, the crystallinity of CNC-CS was higher than that of CNC-WS and thermal stability of CNC-WS was observed to be similar to CNC-CS. © 2019 Korean Technical Assoc. of the Pulp and Paper Industry. All rights reserved.
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页码：40 / 48
页数：8
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