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Efficient hydrolysis of chitosan in ionic liquids
Zhang, Zehui1,2; Li, Changzhi1; Wang, Qian1; Zhao, Zongbao K.1,3; Zhao ZB(赵宗保)
关键词Chitosan Hydrolysis Ionic Liquids Glucosamine Chitin
刊名CARBOHYDRATE POLYMERS
2009-11-17
DOI10.1016/j.carbpol.2009.06.002
78期:4页:685-689
收录类别SCI
文章类型Article
部门归属18
项目归属1816
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Applied ; Chemistry, Organic ; Polymer Science
研究领域[WOS]Chemistry ; Polymer Science
关键词[WOS]BETA-CHITIN ; OLIGOSACCHARIDES ; PURIFICATION ; DISSOLUTION ; CELLULOSE ; KINETICS ; CHLORIDE ; SOLVENT ; SYSTEMS ; ACID
英文摘要Effective hydrolysis of chitosan, the N-deacetylated product of chitin, remains challenging. Here, we report acid-promoted hydrolysis of chitosan in imidazolium based ionic liquids with good total reducing sugars (TRS) yield under mild conditions. TRS yield reached over 60% in the presence of about 6.0 wt% concentrated hydrochloric acid at 100 degrees C within 7 h. Kinetic modeling of a typical experimental data set suggested that the hydrolysis most likely followed a consecutive first-order reaction sequence, where k(1) and k(2), the rate constants for TRS formation and degradation, were determined to be 0.01372 and 0.00015 min(-1), respectively. Our method may be useful to explore new applications of natural chitin resources. (C) 2009 Elsevier Ltd. All rights reserved.
语种英语
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WOS记录号WOS:000270624200006
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被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/102557
专题中国科学院大连化学物理研究所
通讯作者Zhao ZB(赵宗保)
作者单位1.CAS, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
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Zhang, Zehui,Li, Changzhi,Wang, Qian,et al. Efficient hydrolysis of chitosan in ionic liquids[J]. CARBOHYDRATE POLYMERS,2009,78(4):685-689.
APA Zhang, Zehui,Li, Changzhi,Wang, Qian,Zhao, Zongbao K.,&赵宗保.(2009).Efficient hydrolysis of chitosan in ionic liquids.CARBOHYDRATE POLYMERS,78(4),685-689.
MLA Zhang, Zehui,et al."Efficient hydrolysis of chitosan in ionic liquids".CARBOHYDRATE POLYMERS 78.4(2009):685-689.
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