High modulus, multilayer film

B - Operations – Transporting – 32 – B

Patent

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B32B 27/34 (2006.01) B32B 27/28 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2413811

A multilayer film (10), comprising, in the following order: (a) a first layer (12) consisting essentially of amorphous polyamide; (b) a second layer (14) adhered to a surface (16) of the first layer (12); and (c) a third layer (18) adhered to a surface (20) of the second layer (14), the third layer (18) comprising at least one member selected from ethylene/vinyl alcohol copolymer, polyamide MXD6, polyamide MXD6/MXDI, polyvinylidene chloride, and polyacrylonitrile.

L'invention concerne un film multicouche qui comprend, dans l'ordre: a) une première couche (12) constituée essentiellement d'un polyamide amorphe; b) une deuxième couche (14) collée à une surface (16) de la première couche (12); et c) une troisième couche (18) collée à une surface (20) de la deuxième couche (14). La troisième couche (18) comprend au moins un élément sélectionné dans le groupe constitué par un copolymère d'éthylène et d'alcool vinylique, un polyamide MXD6, un polyamide MXD6/MXDI, un chlorure de polyvinylidène, et un polyacrylonitrile.

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