Metallized multilayered composite

Details Metallized multilayered composite Metallized multilayered composite

B - Operations, Transporting

32

B

B32B 15/08 (2006.01) B32B 15/16 (2006.01) B32B 27/14 (2006.01)

Patent

CA 2657784

A formable multi-layered composite comprising in sequence a clear polymeric layer, a metal layer, and a protective layer is disclosed. The polymeric layer including at least one member selected from the first group consisting of polycarbonate, PETG, PCTG polystyrene and polyurethane. The metal layer contains at least one member selected from the group consisting of titanium, aluminum, copper, silver, chromium, zirconium, tin, indium and their alloys. The protective layer that contains an aliphatic polyurethane dispersion based on at least one member selected from among polycarbonate polyol and polyether polyol protects the metal layer during handling and use in the context of FIM.

L'invention concerne un composite multicouche formable, comprenant, dans l'ordre, une couche polymérique transparente, une couche métallique et une couche de protection. La couche polymérique comporte au moins un élément sélectionné dans un premier groupe composé de polycarbonate, de PETG, de polystyrène PCTG et de polyuréthane. La couche métallique contient au moins un élément sélectionné dans le groupe composé de titane, d'aluminium, de cuivre, d'argent, de chrome, de zirconium, d'étain, d'indium et d'alliages de ceux-ci. La couche de protection qui contient une dispersion de polyuréthane aliphatique basée sur au moins un élément sélectionné parmi du polyol de polycarbonate et du polyol de polyéther, protège la couche métallique durant la manipulation et l'utilisation du composite dans un contexte de moulage par insertion de film.

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