Title:
弾性性能が改善された二成分繊維およびその不織物
Document Type and Number:
Japanese Patent JP7208984
Kind Code:
B2
Abstract:
A bicomponent fiber having a sheath and a core, wherein: the core comprises at least 50 wt. % of an ethylene/alpha-olefin block copolymer having a density of 0.860 g/cc-0.885 g/cc and a melt index, 12, of 10 g/10 min to 60 g/10 min; and the sheath comprises at least 50 wt. % of a propylene-based elastomer having a melt flow ratio, MFR, of 30 g/10 min to 250 g/10 min; wherein the core/sheath viscosity ratio is from 1:1 to 5:1 at a shear rate of 1,000/s to 5,000/s.
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Inventors:
Chen, Leafa
Maehara Yutaka
Maehara Yutaka
Application Number:
JP2020518070A
Publication Date:
January 19, 2023
Filing Date:
September 29, 2017
Export Citation:
Assignee:
Dow Global Technologies LLC
International Classes:
D01F8/06; D04H3/007; D04H3/147
Domestic Patent References:
| JP2011514938A | ||||
| JP2004238775A | ||||
| JP61030045B2 | ||||
| JP2012112055A | ||||
| JP2015117460A | ||||
| JP2015140504A | ||||
| JP5230751A | ||||
| JP6330442A | ||||
| JP2000158593A | ||||
| JP2014502315A | ||||
| JP2004524876A | ||||
| JP2009521581A |
Foreign References:
| WO2003000969A1 | ||||
| US5585008 | ||||
| WO2012153802A1 |
Attorney, Agent or Firm:
Hiroshi Kobayashi
Eiji Katayama
Norio Omori
Eiji Katayama
Norio Omori
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