FILAMENT, MATERIAL, AND METHOD FOR PRODUCING THE MATERIAL
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
Sep 1, 2021
filing date -
Oct 8, 2020
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Abstract
Provided are a filament that does not impair the strength that is intrinsic to the filament and contains a disperse dye, and has excellent color fastness, a material using the filament, and a method for producing the material. The filament containing a polyamide resin having an aromatic ring and/or a hetero ring, and a disperse dye having an aromatic ring and/or a hetero ring.
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