SPUN-DYED BLACK POLYESTER FIBER STRUCTURAL BODY AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a fiber structural body having an excellent deep color property and a method for producing the same. SOLUTION: (1) This SPUN-dyed black polyester fiber structural body contains an organic pigment and is also dyed with a dispersion dye. (2) The spun-dyed black polyester fiber structural body has a polymer film consisting mainly of a fluorine compound and/or silicone compound on the surface of the above fiber structural body. (3) The method for producing the spun-dyed black polyester fiber structural body is provided by dyeing the polyester fiber structural body containing the organic pigment further with the dispersion dye.