Additive-containing synthetic filaments, and yarns and carpets i

Details Additive-containing synthetic filaments, and yarns and carpets i Additive-containing synthetic filaments, and yarns and carpets i

1997-03-03

1998-11-10

Morris, Terrel

Stock material or miscellaneous articles

Pile or nap type surface or component

Composition of pile or adhesive

428357, 428372, 2641761, 524538, 528339, B32B 302, C08G 6926, D01D 512

Patent

active

058340890

ABSTRACT:
Synthetic filaments include a nonaqueous additive system having dispersant-coated pigments physically dispersed in a liquid nonaqueous polymeric carrier. The additive system is most preferably in the form of a particulate paste which can be added in metered amounts (dosed) to a melt flow of the polymeric host material prior to being spun into filaments. By providing a number of additive systems having a number of different additive attributes, and controllably dosing one or more into the melt flow of polymeric material, melt-spun filaments having different additive attributes may be produced on a continuous basis (i.e., without shutting down the spinning operation). The filaments may be included in yarns which are formed into carpet structures.

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