. "rs, ethylene-alkyl acrylate copolymers, ethylene-alkyl methacrylate copolymers,ethylene-vinyl acetate copolymers or ethylene-acrylic acid copolymers and their salts (ionomers), and terpolymers of ethylene with propylene and a diene, such as butadiene, isoprene, dicyclopentadiene or ethylidenenorbornene; or mixtures of suchcopolymers with one another and with polymers stated under 1), for example p" . . .