A MULTI-LAYER, Bl-ORIENTED POLYPROPYLENE FILM, A PROCESS FOR PREPARING A MULTI-LAYER BI-ORIENTED POLYPROPYLENE FILM, AND AN ARTICLE COMPRISING SAID FILM

摘要

The present invention relates to a multi-layer bi-oriented poly-propylene (BOPP) film comprising at least one outer layer composed by a blend of polystyrene and styrene-butadiene copolymer, as well as to the process of preparing it. The invention further relates to an article comprising said BOPP film, such as a tag or self-adhesive label. The film of the present invention exhibits improved surface energy, brightness and resistance to abrasion.