Title:
ARTIFICIAL HAIR FIBERS
Document Type and Number:
WIPO Patent Application WO/2021/014765
Kind Code:
A1
Abstract:
Provided are artificial hair fibers in which formation of a node is suppressed. According to the present invention, provided are artificial hair fibers formed of fibers obtained by stretching a resin composition, wherein, when F0 represents an initial tensile stress at 100°C of unstretched yarn obtained by spinning from the resin composition and F1 represents a tensile stress during 2.5-fold stretching of the unstretched yarn, F1/F0 of the unstretched yarn is not less than 1.2.
Inventors:
MURAOKA TAKASHI (JP)
TAKEI ATSUSHI (JP)
TAKEI ATSUSHI (JP)
Application Number:
PCT/JP2020/021666
Publication Date:
January 28, 2021
Filing Date:
June 01, 2020
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
D01F6/60; A41G3/00; D01F6/90
Domestic Patent References:
| WO2017179340A1 | 2017-10-19 |
Foreign References:
| JP2015066234A | 2015-04-13 | |||
| KR20150078893A | 2015-07-08 | |||
| JP2003221733A | 2003-08-08 | |||
| KR20100045626A | 2010-05-04 |
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (JP)
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