Copolymerization with depropagation: Prediction of kinetics and properties of ?-methylstyrene-methyl methacrylate copolymers. II. Bulk copolymerization

Autor:	J. Guillot, F. Martinet
Rok vydání:	1999
Předmět:	Polymers and Plastics Chemistry Kinetics General Chemistry Methacrylate Surfaces Coatings and Films chemistry.chemical_compound Tacticity Polymer chemistry Materials Chemistry Copolymer Radical initiator Reactivity (chemistry) Methyl methacrylate Glass transition
Zdroj:	Journal of Applied Polymer Science. 72:1611-1625
ISSN:	1097-4628 0021-8995
DOI:	10.1002/(sici)1097-4628(19990620)72:12<1611::aid-app14>3.0.co;2-d
Popis:	In order to calculate some kinetic parameters, such as the reactivity ratios, of the system α-methylstyrene–methyl methacrylate, the bulk copolymerization of these two monomers with azobis isobutironitrile (AIBN) as a radical initiator was studied. Experiments were performed at the various temperatures of 50, 60, and 80°C with 0.5 mol % of initiator (AIBN). The kinetics, molecular weights, microstructure, and glass transition temperature (Tg) of the copolymers were followed. A software, previously developed (part I), taking into account the equilibrium of the homopolymerization of α-methylstyrene, was used to simulate the experimental data. The model was in good agreement with all the experimental data. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 72: 1611–1625, 1999
Databáze:	OpenAIRE
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