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《Chinese Journal of Applied Chemistry》 1989-03
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Chen Tian;Yan Jun;Xu Rongnan;Xia Yan Department of Chemistry,East China Normal University, Shanghai  
A series of partly N-acylated chitosans was prepared and their solubility and watersorption were studied. It was found that N-acetyl, N-propionylchitosan (degree of acylation55%), N-butyrylchitosan (degree of acylation 50%) dissolve fairly in water. The X-raydiffraction intensity curve of the water-soluble N-acetylchitosan showed that it was almostamorphous.
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