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《CHEMICAL RESEARCH IN CHINESE UNIVERSITIES》 1998-06
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Solid State Structure and Properties of Chitin/Chitosan

MO Xiu Mei *, WANG Peng, ZHOU Gui En , XU Zhong De (Department of Polymer Science and Engineering, East China University of Science and Technology, Shanghai, 200237; Structure Research Laboratory, The University of Science and Technology of  
During the preparation of different deacetylated degrees of chitin from 4.5% to 95%, it has been found that the deacetylation rate varied with the pieces size of chitin and the reaction time. The chitosan membranes prepared by coating its solution on a glass plate and drying it at different temperatures show different crystal structures and mechanical properties under the measurement of PLM, XRD and DSC. XRD measurement also gives the difference between chitin and chitosan as well as the similarity of chitin films separately coated from crab chitin, silkworm chitin and squid chitin. The crystal cell of chitosan fiber is determined as a =0.987 nm, b =0.924 nm, c =1.031 nm and β =83.29 °.
【Fund】: 国家自然科学基金
【CateGory Index】: O629
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【References】
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【Co-references】
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1 Chen Jinjin(Department of Environmental Science,College of Environmental Science and Engineering,Zhong Shan University,Guangzhou,510275);Development of the Research of Chitin/Chitosan and Its Derivatives in Environmental Fields[J];Anhui Chemical Industry;2003-03
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7 CHEN Yu, DUO Ying-quan, LUO Yun-jun, TAN Hui-min (School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, China);UV Absorptoin Perfomance Study of 3,4,5-Trimethoxy Benzoylated Chitosan[J];Journal of Functional Polymers;2004-04
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