Polyolefin foamed fibers and process producing the same

Details Polyolefin foamed fibers and process producing the same Polyolefin foamed fibers and process producing the same

D - Textiles, Paper

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D01D 5/247 (2006.01) D01D 5/30 (2006.01) D01D 5/34 (2006.01) D01F 1/08 (2006.01) D01F 8/06 (2006.01) D04H 1/42 (2006.01)

Patent

CA 1216720

ABSTRACT OF THE DISCLOSURE Polyolefin foamed fibers consisting of composite fibers having a good spinnability, a small fineness and a non-waxy feeling, and a process for producing the same are provided, which foamed fibers having a structure wherein only a composite component (B) dominantly forming the fiber surface of composite fibers along the direction of the fiber axis thereof is substantially foamed and a part of the resulting foamed cells are burst open on the fiber surface, and which process comprises adding a foaming agent only to the above component (B) and combining two composite components so that the composite ratio thereof is 30/70 or higher and the theoretical average thickness of the component (B) in the cross-section of the unstretched fibers is 2 to 15 microns.

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