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Non-isothermal Crystallization of a Polymer Film on Chilling Rolls

  • A. Y. Malkin and A. V. Baranov
Published/Copyright: May 27, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 8 Issue 1

Abstract

The problem of heat exchange and non-isothermal crystallization of a polymer film (leaving an extruder) on the surface of chilled rolls is discussed. Factors such as enthalpy of crystallization, unsymmetric boundary conditions and dependences of thermal properties of a polymer on temperature and degree of crystallinity are taken into account.

The statement of the problem is based, first, on joint analysis of non-stationary energy balance equation and kinetics of non-isothermal crystallization and, second, on inclusion of dependences of thermal properties of a polymer on temperature and crystallinity into a mathematical model under discussion.

The influence of technological and engineering factors on the quality of film is discussed.

* Mail address: Prof. Dr. A. Y. Malkin, Research Institute of Plastics, 35 Perovskii proezd, Moscow, Russia 111112.
Received: 1992-1-15
Accepted: 1992-6-19
Published Online: 2013-05-27
Published in Print: 1993-03-01

© 1993, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Invited Paper
  4. The Challenges of Waste Toward the 21st Century
  5. Internal Mixers
  6. Simulation of 3-Dimensional Flow in Internal Mixers
  7. Die Extrusion
  8. Effect of Surface Coatings on Wall Slip of LLDPE
  9. Effects of Interfacial Conditions on Wall Slip and Sharkskin Melt Fracture of HDPE
  10. Reactive Processing
  11. Maleation of Polypropylene Melt in Model Reactors
  12. Film
  13. Modeling of Non-isothermal Film Blowing with Integral Constitutive Equations
  14. Non-isothermal Crystallization of a Polymer Film on Chilling Rolls
  15. Molding
  16. A Process to Produce Microcellular PVC
  17. Orientation Development of Mixed Anisotropic Particles in Compounds
https://doi.org/10.3139/217.930066

Articles in the same Issue

  1. Contents
  2. Contents
  3. Invited Paper
  4. The Challenges of Waste Toward the 21st Century
  5. Internal Mixers
  6. Simulation of 3-Dimensional Flow in Internal Mixers
  7. Die Extrusion
  8. Effect of Surface Coatings on Wall Slip of LLDPE
  9. Effects of Interfacial Conditions on Wall Slip and Sharkskin Melt Fracture of HDPE
  10. Reactive Processing
  11. Maleation of Polypropylene Melt in Model Reactors
  12. Film
  13. Modeling of Non-isothermal Film Blowing with Integral Constitutive Equations
  14. Non-isothermal Crystallization of a Polymer Film on Chilling Rolls
  15. Molding
  16. A Process to Produce Microcellular PVC
  17. Orientation Development of Mixed Anisotropic Particles in Compounds
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