Process for producing laminated film and laminated sheet

摘要

A process for producing an extrusion laminated film or sheet comprising a plastic substrate and a resin for extrusion laminating selected from the group consisting of polyethylene resins, polypropylene resins, ethylene-vinylester copolymer resins and ethylene-(metha)acrylate copolymer resins, comprising (A) a surface oxidizing step, (B) an ozone-treating step and (C) a pressurized laminating step as specified using no chemical primer.