Multicomponent trilobal fiber and process for preparation

Details Multicomponent trilobal fiber and process for preparation Multicomponent trilobal fiber and process for preparation

D - Textiles, Paper

01

D

D01D 5/253 (2006.01) D01D 5/30 (2006.01) D01D 5/32 (2006.01)

Patent

CA 2074910

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.

Méthode pour fabriquer une fibre trilobée à constituants multiples comprenant la formation d'un capillaire trilobé définissant trois tiges, trois apex et un centre axial orientant une première composition polymérique fondue vers le centre axial et présentant une seconde composition polymérique fondue dans au moins un des apex. La fibre produite possède une âme trilobée définissant une surface d'âme externe et une gaine jouxtant la surface d'âme externe sur au moins le tiers de cette surface.

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