Laminated plastic molded body

B - Operations – Transporting – 32 – B

Patent

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B32B 27/00 (2006.01) B32B 27/08 (2006.01) B32B 27/36 (2006.01)

Patent

CA 2337080

The laminated plastic molded body of the present invention comprises a three-layered or five-layered laminated plastic molded body in which a resin layer A and a resin layer B are laminated alternately, and the resin layer A is a poly(ethylene terephthalate) resin layer, and the resin layer B interposed between said resin layers A is a polyolefin resin layer having a cyclic olefin component. Thereby, a laminated plastic molded body for general use having high degree of barrier properties to humidity, and yet excellent transparency and oxygen barrier properties, and having excellent resistant characteristics to vegetable type or mineral type oils or greases can be provided.

Ce moulage plastique en couches comprend trois ou cinq couches formées par dépôt, en alternance, d'une couche de résine (A) et d'une couche de résine (B). Ce moulage se caractérise par le fait que les couches de résine (A) sont à base de résine de poly(éthylène téréphtalate) et que la ou les couches de résine (B) venant s'intercaler entre les couches de résine (A) sont à base de polyoléfine possédant des motifs cyclooléfiniques. Il est, de la sorte, possible de produire un moulage plastique en couches constituant une remarquable barrière à l'encontre de l'eau et qui est doté de remarquables propriétés non seulement en matière de transparence et d'effet barrière à l'encontre de l'oxygène, mais également en matière de résistance aux huiles et graisses végétales et minérales.

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