| 摘要 |
PROBLEM TO BE SOLVED: To provide a polypropylene fiber having excellent yarn-making stability without causing delamination in yarn-making, having good creep property without causing the thermal deformation and melt breakage even after the dry-heat treatment in a dry-hot atmosphere at 170°C and exhibiting high heat-resistance, and to provide a textile product produced by using the fiber. SOLUTION: The polypropylene fiber has a sheath-core conjugate structure containing a core component composed of a mixture of a polyamide resin and a maleic anhydride-modified polypropylene resin and a sheath component composed of a mixture of a polypropylene resin and a maleic anhydride-modified polypropylene resin, and the extension ratio of the polypropylene fiber under the load of (fineness(dtex)×1/11 g) is≤10% after the dry-heat treatment in a dry-hot atmosphere at 170°C. A textile product is produced by using the fiber. COPYRIGHT: (C)2009,JPO&INPIT
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