Title:
ACRYLIC FIBER FOR ARTIFICIAL HAIR, HEADDRESS PRODUCT CONTAINING SAME, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/047882
Kind Code:
A1
Abstract:
This acrylic fiber for artificial hair is constituted by an acrylic copolymer, said fiber having a fiber cross-section of one or more forms selected from the group consisting of C-shaped, figure-6-shaped, and hollowed fava-bean-shaped. In the C-shaped, figure-6-shaped, and hollowed fava-bean-shaped forms, the two ends are either separated from each other or in contact with each other. In the fiber cross-section, the circumradius is between 70 μm and 100 μm; the inradius is between 15 μm and 50 μm; the thickness is between 13 μm and 40 μm; and the inter-end canal width is between 0 μm and 15 μm.
Inventors:
YOSHIKAWA MEGUMI
HONDA ATSUSHI
TANAKA AYANO
TANAKA TAKESHI
HONDA ATSUSHI
TANAKA AYANO
TANAKA TAKESHI
Application Number:
PCT/JP2022/032106
Publication Date:
March 30, 2023
Filing Date:
August 25, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
D01F6/40; A41G3/00; D01F6/18; D06M13/17; D06M13/224; D06M15/53
Domestic Patent References:
| WO2006135060A1 | 2006-12-21 |
Foreign References:
| JPS481220A | ||||
| JPS6017109A | 1985-01-29 |
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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