Ronald Joe Weeks

US Patent:

8617686, Dec 31, 2013

Filed:

Dec 19, 2008

Appl. No.:

12/809660

Inventors:

Randy E. Pepper - Katy TX, US
David J. Magley - Midland MI, US
Ronald Wevers - Terneuzen, NL
Harold C. Fowler - Midland MI, US
Selim Yalvac - Pearland TX, US
Colin Lipishan - Pearland TX, US
Ronald J. Weeks - Lake Jackson TX, US
Yi Jin - Missouri City TX, US

Assignee:

Dow Global Technologies LLC - Midland MI

International Classification:

D05C 17/02
B32B 33/00

US Classification:

428 97, 428 95

Abstract:

A carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing, (c) an adhesive backing, (d) an optional secondary backing adjacent to the adhesive backing, and (e) at least one olefin block copolymer, especially ethylene based block copolymers An olefin block copolymer is extrusion coated onto the back surface of a primary backing to provide an adhesive backing Additional steps and procedures can include washing or scouring the primary backing and fibers prior to the extrusion step, and utilizing implosion agents The preferred olefin block copolymer is an ethylene based block interpolymers The constructions and methods are suited for making tufted, broad-loom carpet having improved abrasion resistance.