| 摘要 |
<p>The invention has an object of providing a continuous fiber nonwoven fabric including a hollow fiber having excellent strength, in particular mono-filament strength, and having high hollowness even when formed to a fine filament. A continuous fiber nonwoven fabric includes a hollow fiber including a propylene polymer having a ratio of the Z average molecular weight (Mz) and the weight average molecular weight (Mw), (Mz/Mw), in the range of 1.5 to 1.9, and in a preferred embodiment having a ratio of the weight average molecular weight (Mw) and the number average molecular weight (Mn), (Mw/Mn), in the range of 2.0 to 2.9.</p> |
