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Continuous Distribution Kinetics for Photopolymerization of Alkyl Methacrylates

Vinu, Ravikrishnan and Madras, Giridhar (2009) Continuous Distribution Kinetics for Photopolymerization of Alkyl Methacrylates. In: Macromolecular Reaction Engineering, 3 (9). pp. 556-567.

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Official URL: http://www3.interscience.wiley.com/journal/1226304...


The photopolymerization of methyl,ethyl,butyl, and hexyl methacrylates in solution was studied. The effect of initial initiator and monomer concentrations on the time evolution of polymer concentration (M) over bar (n) and PDI was examined. The reversible chain addition and beta-scission, and primary radical termination steps were included in the mechanism along with the classical steps. The rate equations were derived using continuous distribution kinetics and solved numerically to fit the experimental data. The regressed rate coefficients compared well with the literature data. The model predicted the instantaneous increase in (M) over bar (n) and PDI to steady state values. The rate coefficients exhibited a linear increase with the size of alkyl chain of the alkyl methacrylates.

Item Type: Journal Article
Publication: Macromolecular Reaction Engineering
Publisher: John Wiley and Sons
Additional Information: copyright of this article belongs to John Wiley and Sons.
Keywords: alkyl methacrylates;kinetics (polym.);photopolymerization; population balance equations;rate coefficients.
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 09 Jan 2010 10:27
Last Modified: 09 Jan 2010 10:27
URI: http://eprints.iisc.ac.in/id/eprint/25305

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