发明申请
- 专利标题: ELASTIC NONWOVEN CLOTH AND FIBER PRODUCT
- 专利标题(中): 弹性非织造布和纤维制品
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申请号: US13581904申请日: 2011-02-28
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公开(公告)号: US20120322330A1公开(公告)日: 2012-12-20
- 发明人: Tomoaki Takebe , Yutaka Minami , Yohei Koori
- 申请人: Tomoaki Takebe , Yutaka Minami , Yohei Koori
- 申请人地址: JP Tokyo
- 专利权人: IDEMITSU KOSAN CO., LTD.
- 当前专利权人: IDEMITSU KOSAN CO., LTD.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-044492 20100301
- 国际申请: PCT/JP2011/054551 WO 20110228
- 主分类号: D04H13/00
- IPC分类号: D04H13/00
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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