The invention is a shrinkable thermoplastic film which has good clarity and good processability, comprising a mixture containing:...http://www.google.es/patents/US4769421?utm_source=gb-gplus-sharePatente US4769421 - Butene-rich butene-1-propylene copolymer shrink film
Butene-rich butene-1-propylene copolymer shrink film
