Eccentric core-sheath composite fiber and combined filament yarn
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United States of America
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Aug 27, 2024
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app pub date -
Dec 12, 2017
filing date -
Dec 12, 2017
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Abstract
A fiber material combines both stretchability and wear resistance, has a uniform and bump- and streak-free outer appearance, and has a smooth, delicate texture. The eccentric core-sheath composite fiber is characterized in that in the cross-section of a composite fiber composed of two different polymers, an A-component is completely covered by a B-component, a ratio S/D, or the minimum thickness S of the thickness of the B-component covering the A-component to a fiber diameter D, is 0.01 to 0.1, and a perimeter of a portion of fiber, where the thickness is 1.05 times or less the minimum thickness S, is at least one third of the perimeter of the fiber overall.
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