Effect of polymer-plasticizer interactions on the oxygen permeability of starch-sorbitol-water films

S. Gaudin, D. Lourdin, D. Le Botlan, Pirkko Forssell, J. Ilari, P. Colonna

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

This study evaluated the oxygen permeability (O.P.) of starch‐sorbitol‐water films produced by casting. With a sorbitol content <20%, O.P. (0.15 10−16 cm2/s.Pa for 8.8% sorbitol) was lower than for other polymers classically used as oxygen barriers. With a sorbitol content >20%, O.P. (1.6 10−16 cm2/s.Pa for 24.9% sorbitol) was higher than for starch films without a plasticizer. These results were correlated with molecular mobility as determined by time‐domain NMR. Low and high O.P. corresponded respectively to a decrease and an increase of molecular mobility relative to sorbitol content.
Original languageEnglish
Pages (from-to)245-248
JournalMacromolecular Symposia
Volume138
Issue number1
DOIs
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed

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