Patent ID: 7972706
Filing Date: 2011-07-05
Classification: B32B,C08L,C09J,Y10T

Abstract:
1. A multilayer film comprising a film layer formed of polypropylene and an adhesive layer formed of a metallocene-produced polyethylene in an adhesive relationship with said polypropylene layer and having a density of from 0.925 to 0.96 g/cm 3 and a melt flow index MI 2 within the range of 0.05 to 50 g/10 min. wherein the metallocene-produced polyethylene has an amount of crystallization larger than 4% for chains having less than 10 short chain branches per 1000 carbon atoms, and wherein the metallocene is ethylene bis(4,5,6,7-tetrahydro-1-indenyl)zirconium dichloride.