| 摘要 |
Nonwoven fabrics formed, in spun-bonding process, of crimped bi-component composite filaments composed of (A) a first component composed of (a) 3 to 40 % by weight of a propylene/ethylene random copolymer having a melting point, determined from DSC main peaks of 110 to 150 .degree.C and a melt flow rate ¢ASTM D-1238 (L)! of not more than 15 g/10 minutes and (b) 97 to 60 % by weight of polyethylene having a melt flow rate ¢ASTM D-1238 (E)! of at least 15 g/10 minutes, and (B) a second component comprising crystalline polypropylene having a melt flow rate ¢ASTM D-1238 (L)! of at least 10 g/10 min. as a main component, have a soft feel and are suitable for use as, e.g., disposable bed sheets and liners for diapers. |
