Title:
ARTIFICIAL HAIR FIBER
Document Type and Number:
WIPO Patent Application WO/2018/221348
Kind Code:
A1
Abstract:
[Problem] To provide a polyvinyl chloride-type artificial hair fiber that exhibits an excellent low glossiness, is grippable during weaving, and can be stably spun. [Solution] The artificial hair fiber according to the present invention uses a polyvinyl chloride resin composition that contains, in a prescribed proportion, (A) a polyvinyl chloride resin having a viscosity-average degree of polymerization of 450 to 1700 and (B) a crosslinked vinyl chloride resin having a viscosity-average degree of polymerization for the tetrahydrofuran-soluble component of 1800 to 2300, wherein the difference between the viscosity-average degree of polymerization of the polyvinyl chloride resin (A) and the viscosity-average degree of polymerization of the THF-soluble fraction of the crosslinked vinyl chloride resin (B) is in a prescribed range. In addition, the shape of the cross section of the artificial hair fiber has a first projection, a second projection and a third projection, and their length and width satisfy a prescribed condition.
Inventors:
AKAHANE TAKUYA (JP)
KANAOKA MASAMICHI (JP)
KUME MASASHI (JP)
KANAOKA MASAMICHI (JP)
KUME MASASHI (JP)
Application Number:
PCT/JP2018/019835
Publication Date:
December 06, 2018
Filing Date:
May 23, 2018
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
D01F6/48; A41G3/00; A61L27/16; A61L27/50; C08L27/06
Domestic Patent References:
| WO2006135059A1 | 2006-12-21 | |||
| WO2017221773A1 | 2017-12-28 |
Foreign References:
| JPH08296115A | 1996-11-12 | |||
| JP2010024586A | 2010-02-04 | |||
| JP2011149134A | 2011-08-04 | |||
| JPH1161555A | 1999-03-05 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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