| abstract |
(57) [Summary] [Structure] 0.5% owf or more and 10% owf of a halogenated cycloalkane compound uniformly inside the polyester fiber. Less than 0.0 and a quaternary ammonium salt content of 0.0 A polyester fiber structure containing 2% owf or more and less than 0.5% owf. 0.6-20% ow in a dyebath containing a halogenated cycloalkane compound of f, After treating with a bath ratio of 1: 5 to 1:50 at 80 ° C. or higher and washing, 0.03 to 0.7% ow of a quaternary ammonium salt aqueous solution is applied to the fiber surface, dried, and further 150 A method for producing a polyester fiber structure, which comprises performing a dry heat treatment at 210 ° C. [Effect] Maintains flame-retardant performance that passes the disaster prevention standard, and has excellent antibacterial, deodorant and antifungal properties with excellent washing durability. |