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Title:
A novel approach for the preparation of nanocrystalline cellulose by using phosphotungstic acid
Author: Liu, Yefei1,2; Wang, Haisong1; Yu, Guang1; Yu, Qingxue1; Li, Bin1; Mu XinDong(牟新东)1
Source: CARBOHYDRATE POLYMERS
Issued Date: 2014-09-22
Volume: 110, Issue:1, Pages:415-422
Keyword: Nanocrystalline cellulose (NCC) ; Cellulose hydrolysis ; Phosphotungstic acid (H3PW12O40) ; Characterization ; Thermal stability
DOI: 10.1016/j.carbpol.2014.04.040
DOC Type: Article
English Abstract:

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.

WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Chemistry, Applied ; Chemistry, Organic ; Polymer Science
WOS Subject Extended: Chemistry ; Polymer Science
WOS Keyword Plus: DIFFERENT SUPPORTS ; HYDROLYSIS ; H3PW12O40 ; BEHAVIOR ; NANOCOMPOSITES ; COMPOSITES ; CATALYSTS
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000338005000054
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6110
Appears in Collections:绿色化学催化团队_期刊论文

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description.institution: 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

Recommended Citation:
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.
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