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A novel approach for the preparation of nanocrystalline cellulose by using phosphotungstic acid
Liu, Yefei1,2; Wang, Haisong1; Yu, Guang1; Yu, Qingxue1; Li, Bin1; Mu, Xindong1
2014-09-22
发表期刊CARBOHYDRATE POLYMERS
卷号110期号:1页码:415-422
摘要

In this work, a sustainable and green process to prepare nanocrystalline cellulose (NCC) from bleached hardwood pulp was demonstrated. Rod-like nanocrystalline cellulose with the size of 15-40 nm in width and hundreds of nanometers in length was obtained through H3PW12O40 (HPW)-catalyzed hydrolysis of bleached pulp fibers under the mild reaction conditions. Thermogravimetric analysis revealed that the resulting NCC exhibited much higher thermal stability than the partially sulfated NCC (prepared by sulfuric acid). In addition, the concentrated HPW could be easily recovered and recycled through the extraction with diethyl ether, and the recovered HPW could be reused for several rounds of cellulose hydrolysis without activity lost. These fundamental studies are of crucial importance for the development and application of NCC products/NCC-based biomaterials with good thermal stability. (C) 2014 Elsevier Ltd. All rights reserved.

文章类型Article
关键词Nanocrystalline Cellulose (Ncc) Cellulose Hydrolysis Phosphotungstic Acid (H3pw12o40) Characterization Thermal Stability
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.carbpol.2014.04.040
关键词[WOS]DIFFERENT SUPPORTS ; HYDROLYSIS ; H3PW12O40 ; BEHAVIOR ; NANOCOMPOSITES ; COMPOSITES ; CATALYSTS
收录类别SCI
语种英语
WOS研究方向Chemistry ; Polymer Science
WOS类目Chemistry, Applied ; Chemistry, Organic ; Polymer Science
WOS记录号WOS:000338005000054
引用统计
被引频次:56[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6110
专题绿色化学催化团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Yefei,Wang, Haisong,Yu, Guang,et al. A novel approach for the preparation of nanocrystalline cellulose by using phosphotungstic acid[J]. CARBOHYDRATE POLYMERS,2014,110(1):415-422.
APA Liu, Yefei,Wang, Haisong,Yu, Guang,Yu, Qingxue,Li, Bin,&Mu, Xindong.(2014).A novel approach for the preparation of nanocrystalline cellulose by using phosphotungstic acid.CARBOHYDRATE POLYMERS,110(1),415-422.
MLA Liu, Yefei,et al."A novel approach for the preparation of nanocrystalline cellulose by using phosphotungstic acid".CARBOHYDRATE POLYMERS 110.1(2014):415-422.
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