B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/00 (2006.01) B32B 27/08 (2006.01) B60K 15/03 (2006.01) F17C 1/16 (2006.01) F17C 11/00 (2006.01)
Patent
CA 2419408
The invention concerns a multilayer thermoplastic structure, the use of said structure for making a tank and a tank comprising said structure. The inventive multilayer thermoplastic structure comprises at least a layer consisting of an ethylene-vinyl alcohol copolymer having a density ranging between 0.94 and 1.4, and a melt index ranging between 1.3 and 4.2 g/10 minutes at a temperature ranging between 170 and 240 ·C. Said structure is useful for making gas tanks.
La présente invention se rapporte à une structure thermoplastique multicouches, à l'utilisation de ladite structure pour la fabrication d'un réservoir et à un réservoir comprenant ladite structure. Structure thermoplastique multicouches de laprésente invention comprend au moins une couche constituée d'un copolymère éthylène-alcool vinylique ayant une densité comprise entre 0,94 et 1,4 et un indice de fluidité compris entre 1,3 et 4,2 g/10 minutes à une température comprise entre 170 et 240·C.Elle permet la fabrication de réservoirs à gaz.
Icard Beatrice
Jousse Franck
Mazabraud Philippe
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