C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) B32B 27/32 (2006.01) B65D 65/40 (2006.01)
Patent
CA 2498340
A process for producing packaging composed of thermoformable film composed of thermoplastic polyolefins provides the thermoforming of the film at temperatures in the range from 70 to 170°C, thus giving packaging which has a high heat distortion temperature in the range from 60 to 200°C and which has a high water-vapor barrier. The thermoformable film comprises an amount in the range from 5 to 100% by weight of COC with a glass transition temperature T g in the range from 65 to 200°C.
L'invention concerne un procédé de realisation, à partir d'un film thermoformable en polyoléfines thermoplastiques, d'un emballage.Ledit procédé consiste à thermoformer le film à une temperature comprise dans la plage 70-170 ·C et permet d'obtenir un emballage d'une résistance élevée à la déformation thermique, dans la plage 60-200 ·C, et d'une grande imperméabilité à la vapeur d'eau.Le film thermoformable utilisé contient une quantité de 5 à 100 % en poids de COC et présente une température de transition vitreuse de T¿g? comprise dans la plage 65-200 ·C.
Beer Ekkehard
Heukelbach Dirk
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Ticona Gmbh
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