B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/34 (2006.01)
Patent
CA 2168864
A polymeric film having superior oxygen barrier properties comprising at least three layers, two layers (12, 16) formed of an aliphatic polyamide such as poly(caprolactam) sandwiching a layer (24) formed of an aliphatic-aromatic polyamide such as poly(m-xylylene adipamide) or a blend of an aliphatic/aromatic polyamide such as poly(m- xylylene adipamide) with an ethylene vinyl alcohol copolymer.
Pellicule polymère présentant des caractéristiques supérieures de barrière d'oxygène et comprenant au moins trois couches, deux couches (12, 16) constituées par un polyamide aliphatique, tel que poly(caprolactame) prenant en sandwich une couche (24) constituée par un polyamide aliphatique/aromatique, tel que poly(m-xylylène adipamide) ou par un mélange d'un polyamide aliphatique/aromatique, tel que poly(m-xylylène adipamide), avec un copolymère d'alcool de vinyle d'éthylène.
Degrassi Alfieri
Furrer William Walter
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
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