| 摘要 |
PURPOSE:To prevent deterioration of tackiness of an adhesive layer of a multilayer extruded film and to improve extrusion performance. CONSTITUTION:In the production of a multilayer extruded film 5 by an inflation method in which the multilayer extruded film 5 extruded out of extruders 1, 2 is cooled by a cooling ring 4 provided near an extrusion mold 3, taken off by take-off rolls 6 in doubled states, and taken up by a winding machine, a temperature of the multilayer extruded film 5 at the outlet of the take-off rolls 6 is set to approximately 50 deg.C or lower. |
