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题名: Study on the Crystal Structure of Cellulose in Bamboo with Synchrotron Radiation Wide Angle X-Ray Scattering
作者: An, X; Yang, SM; Liu, R; Wei, PL; Yang, CM; Fei, BH
刊名: SPECTROSCOPY AND SPECTRAL ANALYSIS
出版日期: 2016
卷号: 36, 期号:11, 页码:3704-3708
关键词: Bamboo ; Crystal structures of cellulose ; Synchrotron Radiation Wide Angle X-ray Scattering
DOI: 10.3964/j.issn.1000-0593(2016)11-3704-05
通讯作者: Fei, BH (reprint author), Int Ctr Bamboo & Rattan, Key Lab Bamboo & Rattan Sci & Technol, Beijing 100102, Peoples R China. ; Yang, CM (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.
文章类型: 期刊论文
英文摘要: The crystal structure of cellulose will directly affect the properties of bamboo fiber-reinforced composite, but the unit cell of native cellulose in bamboo has never been investigated. The most accepted model for the structure of native cellulose is Meyer-Misch model which provides a reference to understand the unit cell of native cellulose in bamboo. The native cellulose consists of two different crystal structures (I (alpha) and I (beta)) which exist in different plants with different proportions. Because of this situation, the crystal structure of bamboo cellulose should have a unique model. The moso bamboo (Phyllostachys edulis (Carr.) H. de Lehaie)was selected. The crystal structure of cellulose of bamboo was investigated with two dimensional synchrotron radiation wide angle X-ray scattering (SR-WAXS). The values of the interplanar spacings of each peak Were obtained from SR-WAXS patterns, and then crystal structure parameters were calculated according to monoclinic crystal system. The results show that the fibre axis of a bamboo cellulose unit cell with a monoclinic unit cell of a=8. 35 angstrom, b (fiber axis)=10. 38 angstrom, c=8. 02 angstrom, beta=84. 99 degrees. This model has a two antiparallel arrangement for the chains in unit cell, with four glucose residues. Thus, the model may be used to provide a theoretical basis for high value-added bamboo fiber-reinforced composite.
收录类别: SCI
语种: 中文
WOS记录号: WOS:000388251100046
ISSN号: 1000-0593
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26637
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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