| abstract |
(57) [Problem] To provide a polyester conjugate fiber which gives a woven or knitted fabric which is excellent in dryness, stiffness, and repellency, and is excellent in lightness and coloring. SOLUTION: 5-sodium sulfoisophthalic acid is added to 0. 6-3.5 mol% copolymerized polyester, Barium sulfate having an average particle size of 0.03 to 2 μm 10% by weight containing copolyester as a sheath component, Titanium oxide fine particles having an average particle size of 0.03 to 2 μm A hollow conjugate fiber having a core component of 15% by weight of polyethylene terephthalate and having a hollow portion having a hollow ratio of 1 to 25% in a core portion of the fiber. |