Title:
ACRYLIC FIBER FOR ARTIFICIAL HAIR, ACRYLIC CRIMPED FIBER FOR ARTIFICIAL HAIR, HEADDRESS PRODUCT CONTAINING SAME, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2023/074211
Kind Code:
A1
Abstract:
The present invention relates to acrylic fiber for artificial hair, the acrylic fiber being configured from an acrylic copolymer, while having a torsional rigidity of 0.3 to 2.0 mg∙cm2 and a dry heat shrinkage of 30% to 70% if subjected to a dry heat treatment at 90°C to 180°C for 30 minutes. In addition, one or more embodiments of the present invention relate to acrylic crimped fiber for artificial hair, the acrylic crimped fiber being configured from an acrylic copolymer, while having a number of crimps of 10 or more per 10 cm and a crimp height of 1.5 mm or more, wherein at least two crimps among 10 consecutive crimps are different from each other in the crimp width, crimp height and crimp direction.
Inventors:
SONOYAMA YUJIRO
TANAKA TAKESHI
TANAKA TAKESHI
Application Number:
PCT/JP2022/035472
Publication Date:
May 04, 2023
Filing Date:
September 22, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
D01F6/38; A41G3/00; D01F6/40; D02G1/00
Domestic Patent References:
| WO2020039704A1 | 2020-02-27 |
Foreign References:
| US20200397079A1 | 2020-12-24 | |||
| JPH06287801A | 1994-10-11 | |||
| JPH09302513A | 1997-11-25 | |||
| JPH08296115A | 1996-11-12 | |||
| US20060237869A1 | 2006-10-26 | |||
| CN112064135A | 2020-12-11 |
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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