Coextruded film capable of withstanding retort conditions

Details Coextruded film capable of withstanding retort conditions Coextruded film capable of withstanding retort conditions

B - Operations, Transporting

32

B

B32B 27/34 (2006.01) B32B 27/08 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2616676

The present invention provides a multilayer film capable of withstanding retort conditions, and wherein each of the polymers making up the various layers of the film are capable of coextrusion with one another. In a preferred embodiment, the present film comprises a five-layer film, wherein a core layer and two outer layers are adhered to one another by two tie layers, and each of these layers are capable of coextrusion with one another.

La présente invention a trait à un film multicouche capable de supporter des conditions d'autoclave, et dans lequel chacun des polymères constituant les différentes couches du film sont capables de coextrusion les uns avec les autres. Dans un mode de réalisation préféré, le film de l'invention comporte une film de cinq couches, dans lequel une couche d'âme et deux couches externes s'adhèrent les unes aux autres par de couches de liaison, et toutes ces couches sont capables de coextrusion les unes avec les autres.

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