Determination of propagation rate constants for the copolymerization of methylmethacrylate and styrene using a pulsed laser technique

Thomas P. Davis, Kenneth F. O'Driscoll, Mark C. Piton, Mitchell A. Winnik

Research output: Contribution to journalArticleResearchpeer-review

108 Citations (Scopus)

Abstract

Recently, T. Fukuda et al. demonstrated that the bulk copolymerization of styrene (STY) and methyl methacrylate (MMA) conformed to the terminal model with respect to composition but entirely failed to conform to it with respect to absolute values of the propagation rate constant kp. The aim of the present work is to reproduce and confirm the results for MMA-STY copolymerization using a new technique to measure propagation rate constants recently developed by O.F. Olaj and co-workers. The adoption of a pulsed UV laser as an initiating source for free-radicals considerably simplifies the kinetic expressions normally associated with the rotating sector or spatially intermittent polymerization techniques. In summary, the results of Fukuda et al. for the copolymerization of STY with MMA have been duplicated here using a new experimental technique, thus confirming the failure of the Mayo-Lewis model to describe absolute propagation rate constants for this copolymerization.

Original languageEnglish
Pages (from-to)181-185
Number of pages5
JournalJournal of polymer science. Part C, Polymer letters
Volume27
Issue number6
DOIs
Publication statusPublished - 1 May 1989
Externally publishedYes

Cite this

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title = "Determination of propagation rate constants for the copolymerization of methylmethacrylate and styrene using a pulsed laser technique",
abstract = "Recently, T. Fukuda et al. demonstrated that the bulk copolymerization of styrene (STY) and methyl methacrylate (MMA) conformed to the terminal model with respect to composition but entirely failed to conform to it with respect to absolute values of the propagation rate constant kp. The aim of the present work is to reproduce and confirm the results for MMA-STY copolymerization using a new technique to measure propagation rate constants recently developed by O.F. Olaj and co-workers. The adoption of a pulsed UV laser as an initiating source for free-radicals considerably simplifies the kinetic expressions normally associated with the rotating sector or spatially intermittent polymerization techniques. In summary, the results of Fukuda et al. for the copolymerization of STY with MMA have been duplicated here using a new experimental technique, thus confirming the failure of the Mayo-Lewis model to describe absolute propagation rate constants for this copolymerization.",
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Determination of propagation rate constants for the copolymerization of methylmethacrylate and styrene using a pulsed laser technique. / Davis, Thomas P.; O'Driscoll, Kenneth F.; Piton, Mark C.; Winnik, Mitchell A.

In: Journal of polymer science. Part C, Polymer letters, Vol. 27, No. 6, 01.05.1989, p. 181-185.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Davis, Thomas P.

AU - O'Driscoll, Kenneth F.

AU - Piton, Mark C.

AU - Winnik, Mitchell A.

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AB - Recently, T. Fukuda et al. demonstrated that the bulk copolymerization of styrene (STY) and methyl methacrylate (MMA) conformed to the terminal model with respect to composition but entirely failed to conform to it with respect to absolute values of the propagation rate constant kp. The aim of the present work is to reproduce and confirm the results for MMA-STY copolymerization using a new technique to measure propagation rate constants recently developed by O.F. Olaj and co-workers. The adoption of a pulsed UV laser as an initiating source for free-radicals considerably simplifies the kinetic expressions normally associated with the rotating sector or spatially intermittent polymerization techniques. In summary, the results of Fukuda et al. for the copolymerization of STY with MMA have been duplicated here using a new experimental technique, thus confirming the failure of the Mayo-Lewis model to describe absolute propagation rate constants for this copolymerization.

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