Patent ID: 8221866

Claim:
A carpet cushion comprising a film or sheet wherein the film or sheet is attached to, or in contact with, the carpet cushion; the film of sheet comprises a composition; the composition comprises or is produced from a fatty acid-modified ionomer and optionally an ethylene-containing polymer; the fatty acid-modified ionomer comprises or is produced from an acid copolymer and a fatty acid; the acid copolymer comprises repeat unites derived from ethylene, an unsaturated carboxylic acid, and optionally a softening monomer; the carboxylic acid includes (meth)acrylic acid, maleic acid, fumaric acid, itaconic acid, maleic anhydride, fumaric anhydride, maleic acid, maleic half ester, or combinations of two or more thereof; the acid moiety of the acid copolymer, the fatty acid, or both is partially or fully neutralized with a metal ion; and the ethylene-containing polymer includes one or more polymers comprising repeat units derived from ethylene and optionally vinyl acetate, alkyl (meth)acrylate, carbon monoxide, maleic anhydride, maleic acid derivative, or combinations of two or more thereof.