B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 21/08 (2006.01) B28B 7/38 (2006.01) B32B 27/36 (2006.01) E04G 9/05 (2006.01) E04G 11/08 (2006.01)
Patent
CA 2211460
This invention relates to a panel of material comprising a film comprising a layer of a solid polyolefin and a layer of copolyester wherein said copolyester comprises: (1) a dicarboxylic acid component comprising repeat units from at least 90 mole percent terephthalic acid; and (2) a diol component comprising repeat units from 20 to 40 mole percent diethylene glycol and 80 to 60 mole percent ethylene glycol, based on 100 mole percent dicarboxylic acid and 100 mole percent diol, said layer of a copolyester being intimately bonded to a wooden substrate and said polyolefin layer being exposed on the outer surface of said film.
La présente invention a pour objet un panneau d'un matériau comprenant un film composé d'une couche d'un polyoléfine solide, et d'une couche de copolyester. Ce copolyester comprend (1) un composant d'acide dicarboxylique comprenant des unités alternées d'au moins 90 moles pour cent d'acide téréphthalique; et (2) un composant diol comprenant des unités alternées de 20 à 40 moles pour cent de glycol de diéthylène et 80 à 60 moles pour cent de glycol d'éthylène, sur la base de 100 moles pour cent d'acide dicarboxylique et 100 moles pour cent de diol. La couche de copolyester est assemblée à un substrat de bois et la couche de polyoléfine est exposée sur la surface extérieure du film.
Carico Joey Carico
Maag William Dale
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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