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Patent Searching and Data


Title:
CORE-SHEATH COMPOSITE FIBER FOR ARTIFICIAL HAIR, HEADWEAR PRODUCT INCLUDING SAME, AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2021/176831
Kind Code:
A1
Abstract:
One or more embodiments of the present invention relates to a core-sheath composite fiber for artificial hair which includes a core part and a sheath part, said core-sheath composite fiber for artificial hair being characterized in that the core part is composed of a polyester resin composition that includes a polyester resin, the sheath part is composed of a polyamide resin composition that includes a polyamide resin, and the core-sheath composite fiber for artificial hair has a single fiber linear density of 20-80 dtex, and a coefficient of variation for the fiber thickness of a single fiber of 10-40%. Thus provided are: a core-sheath composite fiber for artificial hair that exhibits good luster and has a texture similar to that of human hair; a headwear product including the same; and a production method for the same.

Inventors:
OGINO TAKASHI
Application Number:
PCT/JP2021/000050
Publication Date:
September 10, 2021
Filing Date:
January 05, 2021
Export Citation:
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Assignee:
KANEKA CORP (JP)
International Classes:
A41G3/00; A41G5/00; D01F8/14
Domestic Patent References:
WO2018179803A12018-10-04
WO2004012542A12004-02-12
WO2017187843A12017-11-02
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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