Method for manufacturing chitosan fiber
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United States of America Patent
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Apr 27, 1999
Grant Date -
N/A
app pub date -
Aug 26, 1997
filing date -
Sep 5, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention offers a safe and economic method for manufacturing chitosan fiber wherein an aqueous solution of sodium thiocyanate is used. In the present invention, chitosan having a degree of deacetylation of not less than 60% is dissolved in an aqueous solution of not less than 44% by weight of sodium thiocyanate and the resulting spinning solution is subjected to a wet spinning to manufacture a chitosan fiber.
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