. . . . "Polymers suitable for use in forming the respective skin and/or core layers of the invention elastomeric laminate are generally suitable for annealing treatment as above described, including polyolefins such as polypropylene or polybutylene, nylon, semicrystalline polyesters such as polyethyleneterephthalate, polybutyleneterephthalate or polyethylenenaphthalate or polyvinyl idene fluoride." .