1. Flat film extrusion

1.1 Process overview

In the flat film extrusion or cast-film process [AM3707] , the molten polymer is extruded through a flat die, stretched over a short distance X in air, in this case of the order of 10 cm, and cooled by contact with a temperature-controlled roller or chill-roll (Figure 1 ).

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Flat film extrusion

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Bibliography

(1) - COTTO (D.), DUFFO (P.), HAUDIN (J.M.) - Cast film extrusion of polypropylene films - . Int. Polym. Proc., 4, p. 103-113 (1989).
(2) - DUFFO (P.), MONASSE (B.), HAUDIN (J.M.) - Cast film extrusion of polypropylene. Thermomechanical and physical aspects...

Software tools

The simulations mentioned concern mainly laboratory work, often using "in-house" software. However, some work has used commercial software or has been funded by code developers, even if these developments have not yet been integrated into commercial versions. What's more, even if commercial software is not specifically dedicated to the development of structures, it can render estimable services by determining the mechanical...