Multilayered barrier structures

Details Multilayered barrier structures Multilayered barrier structures

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B29C 47/06 (2006.01) B32B 37/00 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2123809

2123809 9311938 PCTABS00022 Multilayered barrier structures (10) comprising a gas barrier layer (12) of a non-chlorine containing organic polymer which is substantially impermeable to oxygen gas and a moisture barrier layer (14) of a mesophase propylene-based material are provided. These structures are environmentally compatible and radiation resistant, and exhibit one or more additional properties, including gas barrier properties, moisture barrier properties, toughness, heat sealability, softness, and quietness during wrinkling. Also provided are methods of preparing and using such multilayered barrier structures, and articles, such as films, pouches, and tubings, formed from these structures, as well as multilayer barrier structures with additional graft layers affixed thereto through the application of a dose of ionizing radiation.

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