Heat shrinkable films of polypropylene and an ethylene/butene copolymer

摘要: BIAXIALLY ORIENTED THERMOPLASTIC FILMS, PARTICULARLY SUITABLE FOR EMPLOYMENT AS SHRINK COMPRISING FILMS WHICH HAVE BEEN FORMED FROM A BLEND OF ABOUT 10% TO 90% BY WEIGHT HIGH ISOTACTIC CONTENT POLYPROPYLENE BLENDED WITH 10 AN ETHYLENE-BUTENE-1 COPOLYMER RESIN CONTAINING MINOR AMOUNT ETHYLENE.