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Patent Searching and Data


Title:
FIBER FOR ARTIFICIAL HAIR
Document Type and Number:
WIPO Patent Application WO/2017/187843
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a fiber for artificial hair which is prevented from separation of a sheath part from a core part, has a good texture similar to human hair and shows excellent curl retention properties. Provided is a fiber for artificial hair which has a core-sheath structure consisting of a core part and a sheath part covering the core part, characterized in that: the core part is formed of a polyester-containing resin composition for core part; the sheath part is formed of a polyamide-containing resin composition for sheath part; the ratio by mass of the core part to the sheath part (core/sheath) is from 40/60 to 90/10; and the viscosity ratio (a/b) [wherein: a represents the melt viscosity of the polyester in the resin composition for core part; and b represents the melt viscosity of the polyamide in the resin composition for sheath part] is from 0.5 to 2.5.

Inventors:
MIYATA, Koji (Ofuna Plant 13-1, dai 2-chom, Kamakura-city Kanagawa 10, 〒2478510, JP)
HORIHATA, Atsushi (Ofuna Plant 13-1, dai 2-chom, Kamakura-city Kanagawa 10, 〒2478510, JP)
SONODA, Kazuhito (Ofuna Plant 13-1, dai 2-chom, Kamakura-city Kanagawa 10, 〒2478510, JP)
TAKEI, Atsushi (Ofuna Plant 13-1, dai 2-chom, Kamakura-city Kanagawa 10, 〒2478510, JP)
Application Number:
JP2017/011202
Publication Date:
November 02, 2017
Filing Date:
March 21, 2017
Export Citation:
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Assignee:
DENKA COMPANY LIMITED (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 38, 〒1038338, JP)
International Classes:
A41G3/00; D01F8/14
Attorney, Agent or Firm:
SK INTELLECTUAL PROPERTY LAW FIRM et al. (Hiroo-Building 4th Floor, 3-12-40 Hiroo, Shibuya-k, Tokyo 12, 〒1500012, JP)
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