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AssigneeToray Advanced Materials Korea Inc.
InventorsDong Won Kim, Jin Suk Ma, Hyoun Soo Lee, Mi Nam Choi, Ho Keun Kim, Jae Wook Hong
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Provided are a C-shaped composite fiber, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric, and more particularly, to a C-shaped composite fiber which has excellent strength and elongation together with improved hollowness, so that there is little deformation of the composite fiber and/or the hollow fiber in the manufacturing process thereof, quality degradation of the hollow fiber is minimized in the elution process thereof, a weight reduction process in a fabric state is not required when manufacturing the fabric, and the manufactured fabric has excellent warmth and lightness, a C-shaped hollow fiber using the same, a fabric including the C-shaped composite fiber and/or the C-shaped hollow fiber, and a manufacturing method of the C-shaped composite fiber, the C-shaped hollow fiber, and/or the fabric.
A C-shaped hollow fiber consists of one C-shaped cross section comprising a sheath part and one hollow part, and the sheath part including an open slit, wherein the C-shaped hollow fiber satisfies all of the conditions (1) to (4) below.
Dependencies are inferred from the claim text.