| 摘要 |
PURPOSE:To produce a molded article, suitable for boxes of electronic equipment, and having stable electromagnetic wave shielding effect at a low cost by easy operation, by pretreating continuously a film or sheet of a resin composition, molding the pretreated film or sheet under differential pressure, and covering the molded film or sheet with a plating film. CONSTITUTION:A film or sheet of a resin composition containing an ABS resin e.g. acrylonitrile-butadiene-styrene copolymer or mixed resin thereof with a copolymer consisting essentially of acrylonitrile and alpha-methylstyrene, etc. and/or an MBS resin, e.g. methyl methacrylate-butadiene-styrene copolymeric resin, and a polycarbonate resin is continuously pretreated and molded by the differential pressure molding method, and the surface thereof is then covered with an electroless nickel plating film, preferably consisting of two layers of an Ni-P electroless plating film and Ni-P-Co electroless plating film.
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