POLYESTER FIBROUS STRUCTURAL MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a polyester fibrous structural material excellent in color-developing property, and the depth and vividness of the color . SOLUTION: This polyester fibrous structural material has a recessed part on at least a part of the single fiber surface of the polyester fiber. The polyester is produced by using a titanium compound (excluding titanium dioxide particles) as a main catalyst and does not contain antimony compound or contains≤30 ppm antimony based on antimony atoms relative to the polyester. COPYRIGHT: (C)2004,JPO&NCIPI