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Comptes Rendus Chimie
Sous presse. Epreuves corrigées par l'auteur. Disponible en ligne depuis le mercredi 7 mars 2012
Doi : 10.1016/j.crci.2012.01.012
Received : 20 December 2011 ;  accepted : 30 January 2012
Characterisation of the antioxidant acitivity of riboflavin in an elastomeric composite
 

Anna Masek a, ⁎ , Ewa Chrzescijanska b, Marian Zaborski a, Magdalena Maciejewska a
a Faculty of Chemistry, Institute of Polymer and Dye Technology, Technical University of Lodz, ul. Stefanowskiego 12/16, 90924 Lodz, Poland 
b Faculty of Chemistry, Institute of General and Ecological Chemistry, Technical University of Lodz, ul. Zeromskiego 116, 90924 Lodz, Poland 

Corresponding author.
Abstract

Riboflavin was added to ethylene-propylene rubber in order to improve stability during ageing. We evaluated the antioxidant performance of riboflavin in ENR using the changes in the mechanical properties and the cross-linking density. Riboflavin is activated by UV and, as a result, has the properties of a strong reducing agent that provides high degradation protection. The antioxidant properties of riboflavin were examined by electroanalytical methods. The cyclic voltammetry of reduction and oxidation on Pt showed that the rate of reduction and oxidation of riboflavin depends on the reaction medium. The examined substance has antioxidant properties.


Keywords : Riboflavin, Voltammetry, Antioxidants, Electrochemistry, Ageing of elastomer


OutlineMasquer le plan
Introduction
Materials and methods  (+)
Results and discussion  (+)
Conclusions


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