Patent ID: 7176259

Claim:
A polyethylene film comprising: a. a polyethylene having a density of from about 0.94 to about 0.97 g/cc, and b. a resin, wherein said resin has a weight average molecular weight of less than about 10,000 Daltons and is derived from crude olefin feed selected from the group consisting of C5 olefin feed streams, C9 olefin feed streams, terpene olefins, and pure monomers, wherein the film is oriented and is substantially non-crosslinked; wherein said polyethylene film is produced using a masterbatch comprising said polyethylene and said resin; and wherein the film has a reduction in moisture vapor transmission rate, as measured by ASTM E-96, of from about 10% to 50% relative to a similar film without said resin.