Sea-island composite fiber
AssigneeKuraray Co., Ltd.
InventorsKaori Imagawa, Satoshi Koizumi
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Abstract
Provided is a sea-island composite fiber having excellent spinnability and thermoplastic deformability. The sea-island composite fiber comprises an island component and a sea component having a lower melting point than that of the island component, wherein the fiber has an aspect ratio of from 2.0 to 5.0 in a fiber cross section; and the sea component has a sea component thickness of from 0.2 to 2.0 μm, the sea component thickness being defined as a distance between an outer periphery of the fiber and an island component closest to the outer periphery on a minor axis of the fiber cross section.
Claims11
A sea-island composite fiber comprising an island component and a sea component having a lower melting point than that of the island component, wherein
- the sea-island composite fiber has an aspect ratio of from 2.0 to 5.0 in a fiber cross section;
- and
- the sea component has a sea component thickness of from 0.2 to 2.0 μm, the sea component thickness being defined as a distance between an outer periphery of the sea-island composite fiber and an island component closest to the outer periphery on a minor axis of the fiber cross section.
Dependencies are inferred from the claim text.