Poly(trimethylene arylate) fibers, process for preparing, and fabric prepared therefrom
AssigneeE. I. Du Pont de Nemours and Company
InventorW. Douglas Bates
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Abstract
A fine denier poly(trimethylene arylate) spun drawn fiber is characterized by high denier uniformity. A process for preparing uniform fine denier yarns at spinning speeds of 4000 to 6000 m/min is further disclosed. The poly(trimethylene arylate) fiber hereof comprises 0.1 to 3% by weight of polystyrene dispersed therewithin. Fabrics prepared therefrom are also disclosed.
Claims6
A filament comprising a composition comprising 0.1 to 3% by weight of polystyrene, based on the total weight of the polymer in the composition, dispersed in poly(trimethylene arylate) wherein the filament is characterized by a denier per filament of ≦3, a denier coefficient of variation of ≦2.5% and a birefringence of at least 0.055.
Dependencies are inferred from the claim text.