EVALUATION OF A MATHEMATICAL MODEL OF DIOCTYL PHETALATE PLASTICIZER MIGRATION FROM PVC DISCS INTO COLZA OIL

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TOUBAL A.A.; FERTIKH N.; ALI-MOKHNACHE S.; MESSADI D.

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Journal Paper

Paper Information

Journal: Iranian Polymer Journal Year:2005 | Volume:14 | Issue:8 (62) Page(s): 721-728

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Title

EVALUATION OF A MATHEMATICAL MODEL OF DIOCTYL PHETALATE PLASTICIZER MIGRATION FROM PVC DISCS INTO COLZA OIL

Author(s)

TOUBAL A.A. | FERTIKH N. | ALI-MOKHNACHE S. | MESSADI D. | Issue Writer Certificate

Keywords

MATTER TRANSFER

PLASTICIZED PVC

EDIBLE OIL

MATHEMATICAL SIMULATION

Abstract

Results of long time tests are given for migration of dioctyl phthalate (DOP) from solid PVC discs into well-stirred colza oil. The following factors were examined: time, plasticization level (from 20 to 50 wt%), and temperature (30 and 50°C). The use of labeled DOP and radioactivity measurements in conjunction with weight loss give quantitative information on the mass exchanged (plasticizer migration and colza oil penetration) and lead to DOP concentration profiles that are developed through the bulk of polymer during the process. Mathematical model investigated in this study takes into account the following conditions: (1) the concentration of colza oil in the polymer matrix was neglected; (2) the diffusion in transient conditions through the PVC mass with DOP concentration-dependent diffusivity was considered. Statistical analysis shows that this self-consistent model is able to reproduce, to a good approximation for the DOP, the concentration profiles in the polymer, and the kinetics of transfer into the oil.

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APA: Copy

TOUBAL, A.A., FERTIKH, N., ALI-MOKHNACHE, S., & MESSADI, D.. (2005). EVALUATION OF A MATHEMATICAL MODEL OF DIOCTYL PHETALATE PLASTICIZER MIGRATION FROM PVC DISCS INTO COLZA OIL . IRANIAN POLYMER JOURNAL (ENGLISH), 14(8 (62)), 721-728. SID. https://sid.ir/paper/527959/en

Vancouver: Copy

TOUBAL A.A., FERTIKH N., ALI-MOKHNACHE S., MESSADI D.. EVALUATION OF A MATHEMATICAL MODEL OF DIOCTYL PHETALATE PLASTICIZER MIGRATION FROM PVC DISCS INTO COLZA OIL . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2005;14(8 (62)):721-728. Available from: https://sid.ir/paper/527959/en

IEEE: Copy

A.A. TOUBAL, N. FERTIKH, S. ALI-MOKHNACHE, and D. MESSADI, “EVALUATION OF A MATHEMATICAL MODEL OF DIOCTYL PHETALATE PLASTICIZER MIGRATION FROM PVC DISCS INTO COLZA OIL ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 14, no. 8 (62), pp. 721–728, 2005, [Online]. Available: https://sid.ir/paper/527959/en

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