Article comprising polyurethane and polystyrene, useful e.g. as sealed coverings and housings, free of chemical adhesive, bonded by plasma treatment of the polystyrene surface

摘要

Article (A), free of any chemical adhesion mediator, comprises adherently bonded thermoplastic polyurethane (PU) and polystyrene (PS). An independent claim is included for preparation of (A) by plasma treatment of the surface of a PS article then contacting this surface with PU.