| abstract |
PCT No. PCT/JP96/03431 Sec. 371 Date Aug. 14, 1997 Sec. 102(e) Date Aug. 14, 1997 PCT Filed Nov. 21, 1996 PCT Pub. No. WO97/21856 PCT Pub. Date Jun. 19, 1997There is disclosed a polypropylene fiber which is suitable for hot rolling and which is used for producing a non-woven fabric having high tenacity and good feel by heat rolling within a wide range of processing temperatures. A polypropylene fiber contains boiling n-heptane extract in the amount of 1.5 to 5 percent by weight after extraction with boiling n-hexane, and the extract has a melting point peak of 140 DEG C. or higher. |