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题名: Study on N-acetylated chitosans by FTIR and XRD
作者: Ren Dong-wen;  Bao De-cai;  Wang Wei;  Ma Xiao-jun
关键词: chitosan ;  N-acetylation ;  degree of deacetylation ;  crystallinity
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
发表日期: 2006-07-01
卷: 26, 期:7, 页:1217-1220
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: The degree of N-deacetylation (DD) is an important property of chitosan. In the present article the reaction of N-acetylation was applied to prepare six chitosan samples with various DDs. The samples were studied by FTIR and XRD to investigate their IR absorbance characteristics and crystallinity, from which the DDs and crystallinity index (CrI) of chitosans were also determined respectively. The influence of N-acetylation on DD and CrI was also discussed, and it could be found from FTIR that the N-acetylation reaction became difficult for the remaining amino group in chitosan molecule as the reaction proceeded. XRD also indicated that the crystalline zone was broken by N-acetylation gradually, and another kind of crystal form appeared instead.
关键词[WOS]: CHITIN ;  FILMS
语种: 英语
WOS记录号: WOS:000239717100009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140172
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.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Biomed Mat Engn, Grad Sch, Dalian 116023, Peoples R China
2.Bohai Univ, Coll Chem & Chem Engn, Jinzhou 121000, Peoples R China

Recommended Citation:
Ren Dong-wen,Bao De-cai,Wang Wei,et al. Study on N-acetylated chitosans by FTIR and XRD[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2006,26(7):1217-1220.
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