| abstract |
(57) [Summary] [PROBLEMS] To be effective against all kinds of bacteria required for antibacterial and deodorant fiber products, and to be subjected to post-processing such as post-processing such as dyeing, bleaching and softening of textiles, and washing, etc., in the environment in which the fiber products are used The present invention provides a method for producing an antibacterial deodorant fiber and an antibacterial deodorant acrylic fiber which do not deactivate the antibacterial deodorant performance and do not generate harmful substances in all processes from production to disposal. SOLUTION: The fiber contains 0.02 to 2.0% by weight of chitosan, and the chitosan is dispersed in the form of fine particles in the fiber. A chitosan-containing fiber having a circle-equivalent average diameter of 1 to 100 nm and a standard deviation of 100 nm or less, and a yarn having a swelling degree of 30 to 200% before wet-spun dry densification of an acrylonitrile polymer solution, Chitosan concentration is 0.03-2.5% by weight and temperature is 25-90. After immersion in an aqueous solution of chitosan at ℃ and subsequent neutralization, A method for producing chitosan-containing acrylic fiber which is dried and densified. |