Multicomponent cross-section fiber

Details Multicomponent cross-section fiber Multicomponent cross-section fiber

1994-10-04

1995-10-17

Edwards, N.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428374, 428397, D02G 300

Patent

active

054589720

ABSTRACT:
A method of producing a multicomponent trilobal fiber includes providing a trilobal capillary defining three legs, three apexes and an axial center, directing a first molten polymer composition to the axial center and presenting a second molten polymer composition to at least one of the apexes. The fiber produced has a trilobal core defining an outer core surface and a sheath abutting at least about one-third of the outer core surface.

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International Publication Number: WO 89/02938 (PCT/US88/03330); 6 Apr. 1989 for U.S. Pat. No. 5,162,074 issued Nov. 10, 1992.
Patent Abstract of Japan, vol. 14, No. 202, Apr. 25, 1990.

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