Unsteady- and steady-state gas permeation through active packaging walls

Renzo Di Felice, Daniela Cazzola, Mirko Garbero, Piero Ottonello

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Steady- and unsteady-state gas permeation rates through packaging walls containing active (scavenger) materials are determined as functions of the system's physical parameters and the scavenger load. With the simplifying assumptions of constant scavenger concentration and first-order reaction kinetics, steady-state analysis shows that there is a minimum quantity of scavenger that must be added to the packaging wall if any reduction of gas permeation is to be achieved. Unsteady-state studies have established the dependence of the time needed to reach stationary behaviour on the system's physical parameters.

Original languageEnglish
Pages (from-to)185-191
Number of pages7
JournalPackaging Technology and Science
Issue number4
Publication statusPublished - Jun 1 2008


  • Active wall
  • Gas permeation
  • Scavenger
  • Steady and unsteady

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Unsteady- and steady-state gas permeation through active packaging walls'. Together they form a unique fingerprint.

Cite this