CORE-SHEATH COMPOSITE FIBER FOR ARTIFICIAL HAIR, HEADWEAR PRODUCT INCLUDING SAME, AND PRODUCTION METHOD FOR SAME
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United States of America Patent
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Issued Date -
Dec 22, 2022
app pub date -
Aug 8, 2022
filing date -
Aug 8, 2022
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Abstract
A core-sheath conjugate fiber for artificial hair includes a core part and a sheath part. The core-sheath conjugate fiber for artificial hair is a colored fiber. The core part has a lightness L* of 10 or less in the CIE1976 color space and the sheath part has a lightness L* of 15 or more in the CIE1976 color space. With this configuration, the core-sheath conjugate fiber for artificial hair that has deep and natural colors similar to those of human hair and a good appearance, a hair ornament product including the same, and a method for producing the same are provided.
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