Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1998-02-24
1999-09-07
Edwards, Newton
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428370, D02G 300
Patent
active
059485299
ABSTRACT:
A bicomponent staple or filament is disclosed having a core of PET and a sheath of polyethylene wherein the core PET component contains from 0.5 wt % to 10 wt % of a functionalized polyethylene polymer specified herein. In particular, the sheath component is either not functionalized or functionalized with up to 10% by weight ethylene copolymer. The improved bicomponent fiber is processible on carding machines with reduced shedding of the outer portion of the fiber.
REFERENCES:
patent: 5167765 (1992-12-01), Nielsen et al.
patent: 5346963 (1994-09-01), Hughes et al.
patent: 5364694 (1994-11-01), Okada et al.
patent: 5372885 (1994-12-01), Tabor et al.
Clements Gregory N.
Edwards Newton
HNA Holdings, Inc.
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