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Mathematical modeling of the bulk photopolymerization of furfuryl acrylate

AuthorsLange, Jurgen; Davidenko, Natalia; Rieumont, Jacques; Sastre, Roberto
Keywordsfurfuryl methacrylate
moments method
Issue Date2004
PublisherJohn Wiley & Sons
CitationMacromolecular Theory and Simulations 13 (7) : 641–654 (2004)
AbstractExperimental data for the photopolymerization of furfuryl acrylate (FA) conformed satisfactorily to the kinetics model proposed for the photopolymerization of furfuryl methacrylate (FM). This model allowed the kinetic constants of the basic steps of the studied mechanism, namely propagation, degradative transfer, re-initiation and crosstermination, to be determined. The calculated values of these constants were in agreement with the chemical nature of FA. For each of these constants, the confidence intervals were determined, and the statistical dependence between some of them was analyzed using the ellipse error method. The equations of moments of the distribution of molecular sizes of the primary chains in the network with order greater than one were developed to describe different molecular averages, such as weight-average chain length and size-average heterogeneity of the primary chains. The results found for the monomer conversion, the cross-link degree and numberaverage length of the primary chains of the network for FA were compared with those obtained for FM, and it was shown that the process of polymerization of the former monomer was more retarded and produced gels with a greater degree of cross-linking than the latter as expected. Network structures with different heterogeneity in size of the primary chains.
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