| 摘要 |
A stretchable nonwoven fabric is provided, in which a uniform web comprising 70 to 100 % by weight of polypropylene base heat-bondable composite fibers and 0 to 30 % by weight of other organic fibers and having a web heat shrinking percentage "A" of 50 % or lower at 100 DEG C and a web heat shrinking percentage "B" of 50 % or higher at 120 DEG C provided that a difference "B" - "A" between the latter and the former is 20 % or higher, the fibers being uniformly entangled together, has been shrinked as a result of sufficient crimping and more increased entanglement of the above composite fibers imparted through further heat-treatment, and which has an elastic recovery-at-30 %-elongation of 80 % or higher in both the warp and weft directions. This nonwoven fabric has no density variation, no crease, and excellent stretchability. |
