Plastic coated with golden evaporated film
AssigneeYuken Industry Co., Ltd.
InventorsHaruhisa Watai, Hiroyuki Furuta, Akira Kawamoto
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Abstract
In a plastic coated with metal evaporated film comprising a primary coated layer, a golden evaporated film layer and a last coated layer constituted on the surface of a plastic substratum in the order from the bottom, golden evaporated film layer is made the of Cu - Al - Sn alloy or Cu - Zn - Sn alloy mainly composed of Cu and applicable to trim of automobiles, living apparatus and effects as decorative members.
Claims4
In a plastic article coated with a golden color evaporated metal film and comprising a plastic substrate, a primary coating layer provided on said substrate, a golden color evaporated metal film provided on said primary coating layer and an outer coating layer provided on said golden color evaporated metal film, the improvement wherein said golden color evaporated metal film is a Cu-Sn-Al alloy composed of 5-15 wt% Al, 3-20 wt% Sn, less than 6 wt% impurities and the balance 75-90 wt% Cu.
In a plastic article coated with a golden color evaporated metal film and comprising a plastic substrate, a primary coating layer provided on said substrate, a golden color evaporated metal film provided on said primary coating layer and an outer coating layer provided on said golden color evaporated metal film, the improvement wherein said golden color evaporated metal film is a Cu-Zn-Sn alloy composed of 20-45 wt% Zn, 2-15 wt% Sn, less than 0.5 wt% impurities and the balance 50-70 wt% Cu.
Dependencies are inferred from the claim text.