| 摘要 |
<p>PURPOSE:To regulate the length of one roll of a sheet with an adhesive and to obtain a laminated sheet which has no disorder of printing pattern by separating the steps of extruding the sheet and bonding a printing film on the sheet and sequentially performing the steps. CONSTITUTION:Styrene resin and resin bonded at the temperature lower than 120 deg.C are extruded to become a 2-layer configuration by a coextrusion method, and a sheet state is formed through cold rolls. Then, a styrene resin film printed between two rolls of rubber surfaces heated at least at one side to 120 deg.C or lower and the sheet are press-bonded, thereby obtaining a styrene resin laminated sheet having preferably printing dimensional accuracy. Since the styrene resin film bonded and printed is extended at the temperature exceeding 120 deg.C, the printing pattern is disordered unpreferably, and the lower limit is not restricted, but the resin which can be bonded at 70 deg.C or higher can be generally used in a practice from the viewpoint of its manufacturing process.</p> |
