Effect of high-pressure processing on the permeance of selected high-barrier laminated films


Caner C. , HERNANDEZ R., PASCALL M.

PACKAGING TECHNOLOGY AND SCIENCE, vol.13, no.5, pp.183-195, 2000 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 13 Issue: 5
  • Publication Date: 2000
  • Title of Journal : PACKAGING TECHNOLOGY AND SCIENCE
  • Page Numbers: pp.183-195

Abstract

This study investigated the effects of high pressure processing (HPP) on the barrier properties of eight multilayer films. Pouches made from these films were filled with distilled water, sealed and then pressure processed at 600 and 800 MPa for 5, 10 and 20 min at 45 degreesC. Controls were similarly prepared but exposed to atmospheric pressure. After processing, all pouches were dried and their oxygen, carbon dioxide and water vapour permeance determined. Films used in this study were PET/SiOx/LDPE, PET/Al2O3/LDPE, PET/PVDC/nylon/HDPE/PE, PE/nylon/EVOH/PE, PE/nylon/PE, metallized-PET/EVA/LLDPE, PP/nylon/PP and PET/PVDC/EVA. Results showed that metallized PET was most severely affected by HPP, as its permeance values for oxygen, carbon dioxide and water increased as much as 150%. Copyright (C) 2000 John Wiley & Sons, Ltd.