Patent ID: 6689857
Filing Date: 2004-02-10
Classification: B29C,B29K,B32B,C08J,Y10S,Y10T

Abstract:
An imbalanced biaxially oriented high density polyethylene (HDPE) film having a greater degree of orieniation in the transverse direction than in the machine direction and consisting of a layer of HDPE, wherein said film:(a) has a density of at least 0.940 g/cm3; (b) has a melt index of from about 0.5 to about 10 g/10 minutes; (c) has been stretched in the solid state to a degree of from about 6:1 to about 8:1 in the machine direction at a temperature of from about 140Â° F. (60Â° C.) to about 320Â° F. (160Â° C.); (d) has been stretched in the solid state to a degree of from about 6:1 to about 15:1 in the transverse direction at a temperature of from about 230Â° F. (110Â° C.) to about 320Â° F. (160Â° C.); and (e) has not been crosslinked.