| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester fiber which has a small fineness and an excellent hand, gives a fabric having a strength sufficient to be used for sport uses and the like, little has fuzzes, and has a good hue and an excellent quality. SOLUTION: This polyester fiber comprises a polyester obtained by the polycondensation of an aromatic dicarboxylate ester in the presence of a catalyst comprising a specific titanium compound component and a specific phosphorus compound, and having a single fiber fineness of 0.3 to 2.0 dtex, a total fineness of≤90 dtex and a silk factor (S.F.) of≥22. COPYRIGHT: (C)2005,JPO&NCIPI
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