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The relationship between the aging of polycarbonate characterized by SEC and the release of bisphenol A quantified by HPLC–UV

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Abstract

Aging of polycarbonate (PC) and migration of bisphenol A (BPA) from PC in solutions were studied under different conditions of temperature, pH, and treatment duration. In order to investigate the relationship between the migrant and its polymer and explain the release mechanism of the BPA, the impact of different treatments on PC aging was studied by measuring molecular masses using size exclusion chromatography. The BPA which migrates in the solutions was measured using HPLC–UV. It has been found that the molecular weights of PC samples change as the conditions of treatment change. In general, the trend was to shift the Mn toward a lower average molecular weight by increasing treatment temperature, pH, and treatment duration. The findings are in concordance with the BPA concentrations in solutions. The obtained results show clearly that the levels of BPA concentrations increase with temperature, pH, and treatment duration. The BPA released does not only result from degradation mechanism originating from the treatments of the polymer, but also it results from the transport of non-polymerized monomer from the polycarbonate.

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Authors and Affiliations

  1. Unité de Recherche Sciences des Matériaux et Applications, Université Constantine 1, Constantine, Algeria

    Malika Benhamada & Djallel Bouzid

  2. Ecole Nationale Polytechnique de Constantine, Constantine, Algeria

    Djallel Bouzid

  3. Laboratoire de Chimie, Catalyses, Polymères et Procédés UMR 5265, UCBL, ESCPE, CNRS, Villeurbanne, France

    Olivier Boyron & Manel Taam

Authors
  1. Malika Benhamada
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  2. Djallel Bouzid
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  3. Olivier Boyron
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  4. Manel Taam
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Correspondence to Djallel Bouzid.

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Benhamada, M., Bouzid, D., Boyron, O. et al. The relationship between the aging of polycarbonate characterized by SEC and the release of bisphenol A quantified by HPLC–UV. Eur Food Res Technol 242, 227–232 (2016). https://doi.org/10.1007/s00217-015-2534-7

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  • DOI: https://doi.org/10.1007/s00217-015-2534-7

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