| 摘要 |
A plurality of corona-treated polymeric films, and metal foils or sheets, are alternately arranged and laminated together to form a laminate suitable for e.g. insulating panels. Construction of this absolute or near-absolute barrier can be simultaneous or sequential. The metal foils may be of the same type, or may differ. Aluminum and steel are preferred metal foils. At sufficient thicknesses, the sheet can be stamped or shaped. Both outermost surfaces of the laminate can comprise polymeric film, or both surfaces can comprise metal foils. Alternatively, one outer surface can be a polymeric film and the other outer surface can be a metal foil.
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