Plastic material tube

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/36 (2006.01) B32B 15/08 (2006.01) B65D 35/08 (2006.01)

Patent

CA 2599074

The invention relates to a plastic tube comprising a tube body consisting of a multi-layer film (5) that includes at least one gas- and water-tight barrier film (7). The barrier film (7) has a polyglycolic acid (PGA) layer (9), at least one side of which is connected to a thermoplastic plastic layer (13, 15) by means of a layer (11, 12) consisting of an adhesion promoter. The adhesion promoter (11, 12) comprises a metal compound and has a layer thickness of between 100 and 500 nm.

L'invention concerne un tube en matière plastique comprenant un corps de tube en une feuille multicouche (5) présentant au moins un film barrière étanche aux gaz et à l'eau. Le film barrière (7) présente une couche (9) à base d'acide polyglycolique (PGA) qui est reliée, au moins sur une face, via une couche en un promoteur d'adhérence (11, 12), avec au moins une couche en un matériau thermoplastique (13, 15). Le promoteur d'adhérence (11, 12) présente un composé métallique, l'épaisseur de couche étant de l'ordre de 100 à 500 nm.

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