Free radical suspension polymerization kinetics of styrene up to high conversion

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Tefera, Nurelegne and Weickert, Günter and Bloodworth, Robert and Schweer, Johannes (1994) Free radical suspension polymerization kinetics of styrene up to high conversion. Macromolecular Chemistry and Physics, 195 (9). pp. 3067-3085. ISSN 1022-1352

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Abstract:Styrene was polymerized using different amounts of azoisobutyronitrile as initiator at temperatures of 70°C, 75°C and 80°C in suspension. The course of reaction up to almost complete conversion was modeled within a classical kinetic framework. Optimal simultaneous descriptions of both conversion and average degree of polymerization data were possible using two sets of values for the variation of the overall termination rate coefficient kt with conversion. One explanation for this is that kt is chain length dependent. Evidence for this necessity was derived by considering all kinetic parameters, except the termination rate coefficient, as reliable absolute values.
Item Type:Article
Copyright:© 1994 Wiley InterScience
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Link to this item:http://purl.utwente.nl/publications/71095
Official URL:http://dx.doi.org/10.1002/macp.1994.021950906
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Metis ID: 105823