Patent ID: 7772322

Claim:
A flexible thermoplastic composition consisting essentially of a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a block that is a controlled distribution copolymer having terminal regions that are rich in alkylene units and a center region that is rich in aryl alkylene units and the first block copolymer is selected from the group consisting of polyphenylethylene-poly(ethylene/propylene), polyphenylethylene-poly(ethylene/propylene)-polyphenylethylene, and polyphenylethylene-poly(ethylene/butylene)-polyphenylethylene, and wherein the poly(arylene ether) is present in an amount of 30 to 60 weight percent and the combination of the first block copolymer and second block copolymer are present in an amount of 20 to 60 weight percent, based on the combined weight of the poly(arylene ether), block copolymers, and flame retardant wherein the composition has an ultimate elongation greater than or equal to 100% and less than or equal to 500% according to UL 1581.