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KMID : 0525720100150040190
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Journal of Chitin and Chitosan
2010 Volume.15 No. 4 p.190 ~ p.194
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Synthesis and Physical Properties of Chitosan Long Chain Alkylester Derivatives
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Kim Bo-Mi
Lok Ranjan Bhatt
An Chai-Young
Kwak Geu-Beum
Lee Young-Hang
Gwon Tae-Oh
Chai Kyu-Yun
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Abstract
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Present study describes preparation of a series of acylated chitosan derivatives: chitosan hexanoate, chitosan heptanoate,
chitosan octanoate and chitosan decanoate by reacting chitosan with TFAA and corresponding carboxylic acids. The resulting products were characterized by FT-IR, 1 H NMR, DSC and SEM. The results showed that acylation of chitosan with fatty acids provide new copolymers with improved physical properties including solubility.
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KEYWORD
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chitosan, esterification, trifluoroacetic anhydride, carboxylic acids
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