Interaction study of PVC / Saliva-based toys and application of the ultrasound method to reduce migration

M.O. Boussoum, F. Sebbah, B. George, S. Dumarcay, N. Belhaneche-Bensemra


Abstract: This work is therefore in order to study a process of treatment by ultrasound, used for reducing the migration of additives contained initially in toys  plasticized by DOP based on  polyvinyl chloride stabilized with expoxidised sunflower oil (ESO).

Two formulations were carried out at different rates plasticizers (15% and 45%), migration tests in synthetic saliva in absence and in presence of α-amylase with and without agitation to 37 ° C were made out over a period of 1, 3 and 6 hours.

The phenomenon of migration is studied on the basis of preliminary studies based on the change in mass, and only with the technical analysis: infrared Fourier Transform (IRTF) and gas chromatography coupled with mass spectrometry (GC/ MS).

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