Process for making poly(trimethyleneterephthalate) bulked continuous filaments, the filaments thereof and carpets made therefrom
AssigneeE. I. Du Pont de Nemours and Company
InventorsJames Howell, Wae-Hai Tung, Frank Werny, Richard Meelheim
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Abstract
Polyester carpets of poly(trimethylene terephthalate) are disclosed which have excellent stain-resistance, texture retention and resistance to crushing. The bulked continuous filament yarn used to make the carpets and the process for making the yarns are also disclosed.
Claims6
A poly(trimethylene terephthalate) bulked and entangled continuous filaments yarn, wherein the filaments have random 3-dimensional curvilinear crimps.
A ply-twisted poly(trimethylene terephthalate) yarn comprising hot-fluid jet bulked and entangled continuous filaments, wherein the filaments have random 3-dimensional curvilinear crimps.
Dependencies are inferred from the claim text.