Patent ID: 6489038
Filing Date: 2002-12-03
Classification: B32B,C08L,Y10T

Abstract:
A multi-layered film comprising a base layer comprising polypropylene, a first external layer comprising polypropylene, and a second external layer comprising a mixture of:(i) a first ethylene vinyl acetate copolymer containing residues of vinyl acetate; and (ii) a second ethylene vinyl acetate copolymer containing residues of vinyl acetate, wherein the content of vinyl acetate residues in said first ethylene vinyl acetate copolymer (i) is 10 to 30 percent by weight, relative to the weight of said first copolymer (i), the content of vinyl acetate residues in said second ethylene vinyl acetate copolymer (ii) is 1 to 10 percent by weight, relative to the weight of said second copolymer (ii), and said multi-layered film being heat laminated and oriented at least monoaxially.