SEA-ISLAND TYPE POLYESTER FIBER HAVING EXCELLENT HYGROSCOPICITY, METHOD FOR PRODUCING THE SAME AND HYGROSCOPIC FABRIC

摘要

PROBLEM TO BE SOLVED: To obtain a hygroscopic polyester fiber having excellent hygroscopicity while making the best use of properties such as strength, etc., of polyester fiber.;SOLUTION: The sea-island type polyester fiber having excellent hygroscopicity is one comprising a fiber-forming polymer as a sea component and a fiber-forming polymer in which a hydrophilic component is dispersed as an island component. In the fiber cross section, at least two or more islands exist, the dispersion diameter of the hydrophilic component in the island component is ≤2.0 μm and a moisture absorption-desorption parameter (▵MR) is ≥1.0%.;COPYRIGHT: (C)2005,JPO&NCIPI