Patent ID: 6395386
Filing Date: 2002-05-28
Classification: B32B,Y10S,Y10T

Abstract:
A multilayer, oriented structure having improved oxygen barrier comprising at least one inner layer comprising a melt-processible carrier polymer and at least 0.01 weight % platelet particles, the at least one inner layer disposed between at least two outer layers comprising a platelet particle-free resin, wherein the carrier polymer is selected from the group consisting of polyester, wholly aromatic polyester, water dispersible polyester, polyamide, a copolymer of ethylene and vinyl alcohol, ethyl-vinyl acetate copolymer, polyimide, polycarbonate, polystyrene, polyvinylchloride (PVC), polyacrylate, polyolefin, and a mixture thereof, wherein the multilayer structure displays a haze value of less than 2%, and wherein each layer of the multilayer structure is oriented.