Migration of Silicon from Nanocomposite Packaging Materials into Acidic Food Simulant

Abstract:

PET/Clay nanocomposites were prepared by the melt blending of PET and 3% wt. closite20A nanoparticles. The stretch blow molding machine was used to produce bottles from neat PET and PET nanocomposite. Migration of silicon from PET nanocomposite bottles into acidic food simulnat was studied at two storage temperatures (25°C and 45°C) in different time intervals from 7 to 70 days. A specific surface of sheets (prepared from PET/clay nanocomposite) immersed in acidic food simulnat and two-sided migration of silicon investigated. Using XRD analysis and TEM micrographs displayed both intercalation and exfoliation morphology for PET/clay nanocomposites. Inductive coupled plasma (ICP) used to quantify the amount of Silicon migrated into acidic food simulnat. It was observed that the migration process is depended on the storage time and temperature as well as the morphology of nanocomposites.

• Periodical: Advanced Materials Research (Volumes 622-623)
• Pages: 873-877
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.622-623.873
• Online since: December 2012
• Authors: Mehdi Farhoodi, Seyed Mohammad A. Mousavi, Rahmat Sotudeh Gharebagh, Zahra Emam-Djomeh, Abdolrasul Oromiehie
• Keywords: Migration, Nanoclays, PET Nanocomposite Bottles, Silicon

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