EVOLUTION OF THE CONCENTRATION PROFILES I N THE MATRIX OF A DOP-PLASTICIZED DISK DIPPED IN BENZYL ALCOHOL

Authors
MESSADI D VERGNAUD JM
Citation
D. Messadi et Jm. Vergnaud, EVOLUTION OF THE CONCENTRATION PROFILES I N THE MATRIX OF A DOP-PLASTICIZED DISK DIPPED IN BENZYL ALCOHOL, European Polymer Journal, 33(7), 1997, pp. 1167-1171
Citations number
15
Categorie Soggetti
Polymer Sciences
Journal title
European Polymer Journal → ACNP
ISSN journal
00143057
Volume
33
Issue
7
Year of publication
1997
Pages
1167 - 1171
Database
ISI
SICI code
0014-3057(1997)33:7<1167:EOTCPI>2.0.ZU;2-M
Abstract
When plasticized PVC samples are dipped into benzylic alcohol, DOP mig ration is coupled with liquid transport which occurs in two stages of ebb and flow. The liquid back diffusion was interpreted by considering a gradient of chemical potential as a transfer driving force. Concent ration profiles of migrating species within the polymer matrix were es tablished experimentally and local diffusion coefficients computed by means of a theoretical model which is not self-consistent.