Kinetic modeling of pseudoliving free-radical styrene polymerization occurring via reversible addition-fragmentation chain transfer

被引：0
|
作者：
N. V. Ulitin
V. A. Sidel’nikova
A. V. Oparkin
机构：
[1] Kazan National Research Technological University,
来源：
Theoretical Foundations of Chemical Engineering | 2014年 / 48卷
关键词：
AIBN; Chain Transfer; Monomer Conversion; Number Average Molecular Weight; Styrene Polymerization;
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学科分类号：
摘要：
A kinetic model has been constructed for 2,2′-azobisisobutyronitrile-initiated pseudoliving free-radical styrene polymerization occurring via reversible addition-fragmentation chain transfer in the presence of dibenzyl trithiocarbonate. The inverse problem of determining the unknown temperature-dependent rate constants of the elementary reactions of the kinetic scheme has been solved. The model has been validated by comparing the theoretical and experimental molecular weight characteristics of polystyrene. The model has been employed to investigate the effects of control factors of the process on the molecular weight characteristics of polystyrene.
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页码：434 / 443
页数：9
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