期刊
FIBRE CHEMISTRY
卷 37, 期 1, 页码 22-25出版社
CONSULTANTS BUREAU/SPRINGER
DOI: 10.1007/s10692-005-0044-2
关键词
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Conditions for dry-wet spinning of spherical chitosan granules 0.5-2.0 mm in diameter into a two-layer spinning bath consisting of immiscible liquids are proposed, where an organic liquid, decane in particular is the upper layer of the bath while a solution of ammonium hydroxide is the lower layer. The possibility Of obtaining chitosan microgranules from 2 to 30 mu m in diameter by emulsification of a solution of chitosan in decane ora solution ofan anion-active surfactant-sodium dodecyl sulfate- is demonstrated. The effect of the molecular weight and concentration of the solutions on the granule-forming power of chitosan is established. A 6% solution of chitosan with a molecular weight of 200 W is recommended for further studies.
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