US 9,809,907 B2
Carpet fiber polymeric blend
John A. Rodgers, Hixson, TN (US); James L. Williams, Marietta, GA (US); and Dhanraj Jain, Kennesaw, GA (US)
Assigned to Mohawk Carpet, LLC, Calhoun, GA (US)
Filed by John A. Rodgers, Hixson, TN (US); James L. Williams, Marietta, GA (US); and Dhanraj Jain, Kennesaw, GA (US)
Filed on Jan. 2, 2007, as Appl. No. 11/619,075.
Prior Publication US 2008/0157425 A1, Jul. 3, 2008
Int. Cl. B28B 3/20 (2006.01); C08L 29/00 (2006.01); D01F 1/07 (2006.01); D01F 6/92 (2006.01)
CPC D01F 1/07 (2013.01) [D01F 6/92 (2013.01)] 26 Claims
 
20. A carpet yarn comprised of bulk continuous filaments consisting of a polymeric blend of polytrimethylene terephthalate polymer and about 1% by weight to about 15% by weight of a polyethylene terephthalate copolymer, based on the overall weight of said carpet yarn, wherein said yarn exhibits improved ignition characteristics according to ASTM D-2859 in relation to a like carpet yarn consisting of a polytrimethylene terephthalate polymer without a polyethylene terephthalate copolymer.