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Effect of Wall Slip on Rheotens Mastercurves for Linear PE Melts

Dedicated to Prof. H. G. Fritz on the Occasion of his 60th Birthday
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Published/Copyright: June 20, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 14 Issue 4

Abstract

For two linear polyethylene melts, a HDPE and a LLDPE, Rheotens experiments at constant extrusion pressure and different extusion temperatures are reported. While at sufficiently small extrusion pressure Rheotens mastercurves were found, various deviations from the mastercurves were observed at higher extrusion pressures. By use of capillary rheometry and Mooney's method, these deviations could be attributed to a stick-slip transition in the extrusion die, and, in the case of LLDPE, to partial wall slip below the stick-slip transition.

* Mail address: A. Bernnat, IKT, Boeblinger Str. 70, D-70199 Stuttgart, Germany
Received: 1999-6-11
Accepted: 1999-9-9
Published Online: 2013-06-20
Published in Print: 1999-12-01

© 1999, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Editorial
  2. Fifth of a Series: Pioneer of Polymer Processing John Wesley Hyatt (1837–1920)
  3. Internal Mixer
  4. Modeling the Distributive Mixing in an Internal Batch Mixer
  5. Biomedical Engineering
  6. Processing of Biodegradable Polymer Composites as A Drug Delivery System in Vitro
  7. Fibers and Films
  8. Tensile Force Measurements in the PA 6 High Speed Fiber Spinning and their Utility
  9. Crosslinking Modification of UHMWPE Fibers by Ultra-violet Irradiation
  10. Effect of Wall Slip on Rheotens Mastercurves for Linear PE Melts
  11. Stability of a Blown Film Extrusion Process
  12. Molding
  13. Blank Design and Fiber Orientation Distribution During Compression Molding of GMT
  14. Injection Moulding of a Commercial β-Nucleated Polypropylene
  15. Weld Line Strength in PC/ABS Injection Moldings
  16. Computer Controlled Rotational Molding of a Hollow Femur for 3-D Photoelastic Analysis
  17. Residual Stresses and Birefringence in Injection Molding of Semicrystalline Polymer
  18. Residual Stresses and Birefringence in Injection Molding of Semicrystalline Polymer
  19. Generalized Predictive Observer-Controller For Injection Moulding
  20. Fiber Orientation in 3-D Injection Molded Features
https://doi.org/10.3139/217.1559

Articles in the same Issue

  1. Editorial
  2. Fifth of a Series: Pioneer of Polymer Processing John Wesley Hyatt (1837–1920)
  3. Internal Mixer
  4. Modeling the Distributive Mixing in an Internal Batch Mixer
  5. Biomedical Engineering
  6. Processing of Biodegradable Polymer Composites as A Drug Delivery System in Vitro
  7. Fibers and Films
  8. Tensile Force Measurements in the PA 6 High Speed Fiber Spinning and their Utility
  9. Crosslinking Modification of UHMWPE Fibers by Ultra-violet Irradiation
  10. Effect of Wall Slip on Rheotens Mastercurves for Linear PE Melts
  11. Stability of a Blown Film Extrusion Process
  12. Molding
  13. Blank Design and Fiber Orientation Distribution During Compression Molding of GMT
  14. Injection Moulding of a Commercial β-Nucleated Polypropylene
  15. Weld Line Strength in PC/ABS Injection Moldings
  16. Computer Controlled Rotational Molding of a Hollow Femur for 3-D Photoelastic Analysis
  17. Residual Stresses and Birefringence in Injection Molding of Semicrystalline Polymer
  18. Residual Stresses and Birefringence in Injection Molding of Semicrystalline Polymer
  19. Generalized Predictive Observer-Controller For Injection Moulding
  20. Fiber Orientation in 3-D Injection Molded Features
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