Hollow fibers and manufacturing method of hollow fibers

D - Textiles – Paper – 01 – F

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D01F 6/62 (2006.01) C08J 5/00 (2006.01) C08K 3/00 (2006.01) C08L 23/02 (2006.01) C08L 67/02 (2006.01) D01D 5/24 (2006.01) D01F 1/10 (2006.01) D01F 6/04 (2006.01)

Patent

CA 2340832

A hollow fiber composed of a polymer not showing water absorbing property and excellent in lightness, dry feel and bulky feel, as well as a fiber structure containing the hollow fiber, the fiber being prepared by treating, with water, a fiber structure containing sea-island type conjugate fiber composed of a thermoplastic polymer with an equilibrium water content of 2% or less as a sea component and a water soluble thermoplastic polyvinyl alcohol polymer as an island component, and dissolving to remove the water soluble thermoplastic polyvinyl alcohol polymer from the conjugate fiber.

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