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AssigneeDow Global Technologies LLC
InventorsRandy E. Pepper, David J. Magley, Ronald Wevers, Harold C. Fowler, Selim Yalvac, Colin Lipishan, Ronald J. Weeks, Yi Jin
Estimating the term…
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.
A carpet tile comprising a primary backing material having a face and a back side, a plurality of fibers attached to the primary backing material and extending from the face of the primary backing material and exposed at the back side of the primary backing material, a precoat, an adhesive backing material, an optional dimensional stability layer, an optional cap coat material, and an optional secondary backing material adjacent to the dimensional stability layer or adhesive backing material, wherein, the adhesive backing material is an extruded layer on the precoat, and the extruded adhesive backing layer has a coating weight from 30 ounces per square yard to 80 ounces per square yard and comprises
Dependencies are inferred from the claim text.