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Stationary and Dynamic Analysis of Film Casting Process

A Viscoelastic Approach
  • P. Barq , J. M. Haudin , J. F. Agassant and P. Bourgin
Published/Copyright: May 27, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 9 Issue 4

Abstract

A viscoelastic model for PET cast film extrusion is developed on the basis of some important assumptions: constant width, vertical film, isothermal regime, Maxwell's constitutive equation. The general model is non-stationary, but it can be first used to cope with steady-state extrusion, which makes it possible to introduce the concept of “unattainable region”, as in fiber spinning. Then the dynamic responses to random or sinusoidal fluctuations of the chill-roll velocity are analyzed. The predictions of the thickness response are in good agreement with experimental observations.

* Mail address: Prof. Dr. J. M. Haudin, Centre de Mise en Forme des Matériaux, Unité de Recherche Associée au CNRS n° 1374, Ecole Nationale Supérieure des Mines de Paris, BP 207, 06904 SOPHIA-ANTIPOLIS Cedex, France.
Received: 1993-2-16
Accepted: 1994-6-29
Published Online: 2013-05-27
Published in Print: 1994-12-01

© 1994, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Eleventh in a Series: Fried Krupp: Pioneer Integrated Steel and Processing Machinery Manufacturer. Part 2 – Post World War II Development, Kautex, Corpoplast and Werner and Pfleiderer
  5. Internal Mixers
  6. Analysis of Mixing Performance in a VIC Mixer
  7. Screw Extrusion
  8. Extrusion of Short Fibre Reinforced PP
  9. Simulation of Non-isothermal Flow in Twin Screw Extrusion
  10. Reactive Processing
  11. Compatibilization and Dynamic Vulcanization of PA 6/Isobutylene Methylstyrene Elastomer
  12. Thermal Effects in Extrusion: Slit Dies
  13. Die Extrusion
  14. Functionalization of Polypropylene with Maleic Anhydride by Reactive Extrusion
  15. Fiber and Film Processing
  16. Stationary and Dynamic Analysis of Film Casting Process
  17. An Experimental Study of a Bicomponent Coextrusion Fiber Spinning
  18. Molding
  19. Integral Constitutive Model (K-BKZ) to Describe Viscoelastic Flow in Injection Molding
https://doi.org/10.3139/217.940350

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Eleventh in a Series: Fried Krupp: Pioneer Integrated Steel and Processing Machinery Manufacturer. Part 2 – Post World War II Development, Kautex, Corpoplast and Werner and Pfleiderer
  5. Internal Mixers
  6. Analysis of Mixing Performance in a VIC Mixer
  7. Screw Extrusion
  8. Extrusion of Short Fibre Reinforced PP
  9. Simulation of Non-isothermal Flow in Twin Screw Extrusion
  10. Reactive Processing
  11. Compatibilization and Dynamic Vulcanization of PA 6/Isobutylene Methylstyrene Elastomer
  12. Thermal Effects in Extrusion: Slit Dies
  13. Die Extrusion
  14. Functionalization of Polypropylene with Maleic Anhydride by Reactive Extrusion
  15. Fiber and Film Processing
  16. Stationary and Dynamic Analysis of Film Casting Process
  17. An Experimental Study of a Bicomponent Coextrusion Fiber Spinning
  18. Molding
  19. Integral Constitutive Model (K-BKZ) to Describe Viscoelastic Flow in Injection Molding
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