TWIN-SCREW EXTRUSION DEVICE AND METHOD FOR MANUFACTURING FILM

摘要

The present invention relates to a refrigerating machine comprising a cylinder having an extruding port for extruding a molten resin, two screws having an outer diameter of Φ100 mm or more rotatably disposed in the cylinder, a first refrigerant feed port, and a refrigerant A cooling system disposed on the cylinder wall and having a flow path, a downstream side of the extruding orifice of the cylinder in the flow direction of the molten resin, and disposed on the upstream side of the film forming apparatus for molding the molten resin, A temperature detecting means for detecting the temperature of the resin; and a control means for controlling the supply amount of the refrigerant to the first refrigerant feed port to control the temperature difference between the temperature of the molten resin detected by the temperature detecting means and the resin setting temperature to a predetermined value or less A biaxial extrusion apparatus having a resin temperature control means is provided.