Patent ID: 7504142
Filing Date: 2009-03-17
Classification: B32B,Y10T

Abstract:
1. A multi-layered thermoplastic film laminate for packaging applications comprising: a) at least a first polymer layer and a second polymer layer; b) wherein said first and second polymer layers are formed together as a blown coextruded film; c) wherein said first polymer layer is a surface layer relative to said film which comprises greater than 70 weight % of a heat-sealable resin having a melt index of at least 20 g/10 min as measured in accordance with ASTM D-1238 test method at 190° C./2.16 kg; and d) wherein said second polymer layer has a melt index of 10 g/10 min or less as measured in accordance with ASTM D-1238 test method at 190° C./2.16 kg.