发明申请
US20120322330A1 ELASTIC NONWOVEN CLOTH AND FIBER PRODUCT 审中-公开
弹性非织造布和纤维制品

ELASTIC NONWOVEN CLOTH AND FIBER PRODUCT
摘要:
To provide an elastic nonwoven cloth that is excellent in elastic recovery property and has pleasant texture without stickiness, and a fiber product using the elastic nonwoven cloth, by an elastic nonwoven cloth containing fibers that are spun at a spinning speed of from 500 to 2,500 m/min and contain a low crystalline polypropylene that satisfies (a) [mmmm]=20 to 60% by mol, (b) [rrrr]/(1−[mmmm])≦0.1, (c) [rmrm]>2.5% by mol, (d) [mm]×[rr]/[mr]2≦2.0, (e) weight average molecular weight (Mw)=10,000 to 200,000, and (f) molecular weight distribution (Mw/Mn)
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