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Title:
CHITOSAN-IMMOBILIZED FIBER AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3228398
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To stably obtain the subject fiber free from discoloration and having sustainably excellent antimicrobial deodorant function.
SOLUTION: A chitosan-immobilized fiber is obtained by such a procedure that the surface of a fiber is immobilized with 0.1-5wt.%, based on the fiber, of chirosan by forming a polyion complex with polyanion. The objective fiber is obtained, for example, by impregnating the above original fiber with a treating solution A followed by a treating solution B, or vice versa, successively. The treating solutions are as follows: the solution A: an aqueous polyanion solution containing 0.1-10wt.% of the polyanion; and the solution B: a chitosan solution prepared by dissolving 0.1-10wt.% of chitosan in an aqueous acid solution containing 0.1-20wt.% of an acid.


Inventors:
Eizo Sakurai
Ken Ogasawara
Mitsuaki Shiotsuki
Takanori Yamanan
Shinya Tsuchida
Application Number:
JP21299495A
Publication Date:
November 12, 2001
Filing Date:
July 31, 1995
Export Citation:
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Assignee:
Mitsubishi Rayon Co., Ltd.
Dainichi Seika Kogyo Co., Ltd.
International Classes:
D06M15/03; D06M101/00; D06M101/16; D06M101/18; D06M101/30; D06M101/32; (IPC1-7): D06M15/03
Domestic Patent References:
JP3215533A
JP8284066A
Attorney, Agent or Firm:
Taketoshi Tamura