Abstract
In this study poly(vinyl chloride) (PVC) and polyethylene (PE) films with 0%, 1.0%, 1.5% and 2.0% β-cyclodextrin (BCD)-content were prepared and their permeation properties were characterized using model flavours like carvone, vanillin and diacetyl. The complex forming carvone and vanillin could penetrate through the films containing cyclodextrin, while diacetyl, which has poor complex forming ability with β-cyclodextrin could not.
The effect of CD-concentration on vanillin permeation was found to depend on CD concentration and on the thickness of the films.
The leaching of plasticizers from the polymer matrix to the contacting fluid is a drawback of PVC. The presence of β-cyclodextrin in the film results in slower release of plasticizers.
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Acknowledgements
The films were pilot plant products of BC Ongropack Ltd. and PlastLine Ltd. under the responsibility of Katalin Motkone Lauer and Gyula Toreky, respectively. The research was supported by Hungarian Economic Competitiveness Operative Programme (GVOP-3.1.1.-2004-05-0216/3.0). The technical assistance of Rozsa Tarnaszentmiklossy is greatly acknowledged.
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Fenyvesi, É., Balogh, K., Siró, I. et al. Permeability and release properties of cyclodextrin-containing poly(vinyl chloride) and polyethylene films. J Incl Phenom Macrocycl Chem 57, 371–374 (2007). https://doi.org/10.1007/s10847-006-9256-1
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DOI: https://doi.org/10.1007/s10847-006-9256-1