Thermoformable multi-layer sheet

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/32 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2540795

A thermoformable multi-layer sheet is disclosed, which comprises or is produced from a first co-extruded clear polymeric layer comprising an ionomer resin; a second co-extruded polymeric layer; a third co-extruded thermoformable polymeric adhesive layer that is in direct contact with the second co-extruded layer and a backing layer; and a co-extruded backing layer adhered to the adhesive layer. Also disclosed is a product such as an auto part, a truck part, an auto or truck body panel, or a part or panel of a recreational vehicle having a Class A surface that can comprise or be produced from the multi-layer sheet.

L'invention concerne une feuille multicouche thermoformable, pourvue ou produite à partir d'une première couche polymérique incolore co-extrudée contenant une résine isomérique, d'une deuxième couche polymérique co-extrudée, d'une troisième couche adhésive polymérique thermoformable co-extrudée, en contact direct avec la deuxième couche co-extrudée et une couche de support, ainsi que d'une couche de support co-extrudée adhérant à la couche adhésive. L'invention concerne également un produit, tel qu'une pièce d'automobile, une pièce de camion, un panneau de carrosserie d'automobile ou de camion ou bien une pièce ou un panneau d'un véhicule de plaisance, présentant une surface de classe A pouvant être pourvue ou produite à partir de cette feuille multicouche.

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