POLYPROPYLENE FILMS WITH IMPROVED SEALING BEHAVIOUR ESPECIALLY IN VIEW OF IMPROVED SEALING PROPERTIES

摘要

The present invention relates to a polymer blend and the film of the polymer blend or the film layers of the polymer blend as a surface layer or coating. More particularly the invention relates to a polymer blend which may be extruded as such or extruded onto one or both sides of packaging film to give a sealing surface(s) which exhibits surprisingly heat sealability suitable for form fill and seal packaging. The present invention also relates the use of ethylene based plastomer to reduce sealability of films comprising polypropylene.