MULTILAYER ORIENTATED FILM CONTAINING POLYBUTADIENE/ STYRENE CORE LAYER AND ETHYLENE AND/OR PROPYLENE POLYMER OUTER LAYERS

摘要

A coextruded multiple layer film is oriented in primarily the longitudinal direction, and comprises a core layer comprising butadiene styrene copolymer or copolyester, outer layers comprising ethylene propylene copolymer, polypropylene, or blends thereof, and intermediate layers which bond the outer layers to the core layer and comprise an ethylene copolymer.