ACRYLIC FIBER FOR ARTIFICIAL HAIR, HAIR ORNAMENT PRODUCT INCLUDING THE SAME, AND PRODUCTION METHOD THEREFOR
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Aug 25, 2022
filing date -
Aug 25, 2022
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Abstract
The present invention relates to an acrylic fiber for artificial hair containing an acrylic copolymer. The fiber cross-section of the acrylic fiber has one or more shapes selected from the group consisting of a C-shape, a figure-6-shape, and a broad bean-shape with a hollow portion. Two ends of the C-shape, the figure-6-shape, or the broad bean-shape are apart from each other or are in contact with each other. A circumcircle of the fiber cross section has a diameter of 70 μm or more and 100 μm or less, an inscribed circle of the fiber cross section has a diameter of 15 μm or more and 50 μm or less, the thickness of the fiber cross section is 13 μm or more and 40 μm or less, and the canal width between the ends of the fiber cross section is 0 μm or more and 15 μm or less.
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