Multilayer coextrusions

Details Multilayer coextrusions Multilayer coextrusions

B - Operations, Transporting

32

B

B32B 27/28 (2006.01)

Patent

CA 2469190

A multilayer thermoplastic extruded structure comprises at least one thermoplastic polyolefin layer; at least one thermoplastic vinyl aromatic polymer layer; and a multicomponent tie layer. The multicomponent tie layer comprises at least one thermoplastic polyolefin; at least one thermoplastic vinyl aromatic polymer; and at least one styrenic block copolymer. Preferred structures are multilayer films used for packaging or multilayer sheets for thermoformed containers.

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