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Multilayer Barrier Film of Biaxially Oriented PA6/EVOH by Double Bubble Tubular Film Process

  • M. Takashige and T. Kanai
Published/Copyright: March 1, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 21 Issue 1

Abstract

In the market, a film adapted to environmental and barrier problems is desired. The previous report discussed easy tear and gas barrier PA6 film. This report discusses the multilayer PA6 film having high barrier EVOH layer.

A biaxially oriented PA6 film produced by double bubble tubular film process has high strength, but does not have enough gas barrier property compared with K-coated PA6. In the following a multilayer film with gas barrier layer is studied. A high gas barrier layer of EVOH is added to the center layer in the outer layers of PA6 films. The gas barrier ability increases with increasing the content of EVOH and decreasing ethylene content of EVOH, but at the same time the mechanical properties and processability get worse. From this point of view, it is found that the optimum content of EVOH is between 20% and 43%.

In a biaxially oriented multilayer film composed of PA6 layers and EVOH one keeps high strength and high gas barrier. The material and production technology of a PA6 film can solve environmental and barrier problems.

∗ Mail address: M. Takashige, Idemitsu Unitech Co., Ltd., 841-3 Kou, Shirahama-cho, Himeji-City, Hyogo, Japan E-mail:

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Received: 2005-08-23
Accepted: 2006-01-26
Published Online: 2013-03-01
Published in Print: 2006-03-01

© 2006, Hanser Publishers, Munich

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Dedication of the Special Issue of International Polymer Processing in Honor of Prof. James Lindsay White, Editor Emeritus and Founding Editor
  5. Invited Papers
  6. Melt Compounding of Polymeric Nanocomposites
  7. Experiments and Analysis of Effect of Calender Gaps on Melting of PVC Powders in an Intermeshing Counter-rotating Twin-screw Extruder
  8. Quantitative Analysis for Polymer Degradation in the Extrusion Process
  9. Visualization of Flow Instabilities for High Density Polyethylene
  10. Heat Transfer through Metal Walls of Finite Thickness
  11. Simulation and Experimental Verification of Crystallization and Birefringence in Melt Spinning of PET
  12. Structural Development and Properties of Melt Spun Poly(butylene succinate) and Poly(butylene terephthalate-co-succinate-co-adipate) Biodegradable Fibers
  13. External Calibration in PA12 Tube Extrusion
  14. Tubular Film Extrusion Stability of Metallocene Linear Low Density Polyethylene
  15. Multilayer Barrier Film of Biaxially Oriented PA6/EVOH by Double Bubble Tubular Film Process
  16. PPS News
  17. PPS News
  18. Seikei-Kakou Abstracts
  19. Seikei-Kakou Abstracts
https://doi.org/10.3139/217.0110

Articles in the same Issue

  1. Contents
  2. Contents
  3. Editorial
  4. Dedication of the Special Issue of International Polymer Processing in Honor of Prof. James Lindsay White, Editor Emeritus and Founding Editor
  5. Invited Papers
  6. Melt Compounding of Polymeric Nanocomposites
  7. Experiments and Analysis of Effect of Calender Gaps on Melting of PVC Powders in an Intermeshing Counter-rotating Twin-screw Extruder
  8. Quantitative Analysis for Polymer Degradation in the Extrusion Process
  9. Visualization of Flow Instabilities for High Density Polyethylene
  10. Heat Transfer through Metal Walls of Finite Thickness
  11. Simulation and Experimental Verification of Crystallization and Birefringence in Melt Spinning of PET
  12. Structural Development and Properties of Melt Spun Poly(butylene succinate) and Poly(butylene terephthalate-co-succinate-co-adipate) Biodegradable Fibers
  13. External Calibration in PA12 Tube Extrusion
  14. Tubular Film Extrusion Stability of Metallocene Linear Low Density Polyethylene
  15. Multilayer Barrier Film of Biaxially Oriented PA6/EVOH by Double Bubble Tubular Film Process
  16. PPS News
  17. PPS News
  18. Seikei-Kakou Abstracts
  19. Seikei-Kakou Abstracts
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