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题名: Selective oxidation of cellulose catalyzed by NHPI/Co(OAc)(2) using air as oxidant
作者: Zhou, Lipeng1;  Wu, Haihong1;  Yang, Xiaomei1;  Su, Yunlai1;  Chen, Chen2;  Xu, Jie2
关键词: Cellulose ;  Oxidation ;  N-hydroxyphthalimide ;  Cobalt(II) acetate
刊名: CELLULOSE
发表日期: 2014-12-01
DOI: 10.1007/s10570-014-0413-1
卷: 21, 期:6, 页:4059-4065
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Paper & Wood ;  Materials Science, Textiles ;  Polymer Science
研究领域[WOS]: Materials Science ;  Polymer Science
英文摘要: With NHPI/Co(OAc)(2) as catalyst and air as oxidant, carboxylic group functionalized cellulose was prepared by oxidation of cellulose in acetic acid. Fourier transform infrared spectroscopy was utilized to detect the generation of carboxylic group and the acid amount was determined by acid-base titration method. The present results revealed that C6 primary hydroxyl groups on glucose units were partly converted to carboxylic groups during the catalytic oxidation process. The degree of polymerization of oxidized cellulose, which was determined by viscosity measurement, decreased slightly as compared with its parent. The structure of cellulose was characterized by X-ray diffraction and scanning electron microscopy, and it was almost unchanged.
关键词[WOS]: TEMPO-MEDIATED OXIDATION ;  NAOH/UREA AQUEOUS-SOLUTION ;  N-HYDROXYPHTHALIMIDE ;  SURFACE OXIDATION ;  SYSTEM ;  FIBERS ;  ACID ;  MECHANISM ;  ALCOHOLS
语种: 英语
WOS记录号: WOS:000344802700018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145639
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Zhou, Lipeng,Wu, Haihong,Yang, Xiaomei,et al. Selective oxidation of cellulose catalyzed by NHPI/Co(OAc)(2) using air as oxidant[J]. CELLULOSE,2014,21(6):4059-4065.
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