A Kinetic Study of the Emulsion Polymerization of Vinyl Acetate

Research output: Contribution to journalJournal article – Annual report year: 1973Researchpeer-review

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The emulsion polymerization of vinyl acetate was studied at 50°C. It was found that the rate of polymerization was proportional to the 0.5 power of the initiator concentration and the 0.25 power of the number of particles. The number of particles was proportional to the power 0.5 ± 0.05 of the emulsifier concentration, but independent of the initiator concentration. The limiting viscosity number of the polymers produced was independent of the initiator concentration and number of polymer particles. It is suggested that the mechanism of vinyl acetate emulsion polymerization is similar to that of vinyl chloride. The linearity of the conversion-versus-time curve is explained as being due partly to a decrease in the desorption rate of radicals from the polymer particles and partly to a decrease in the termination rate constant.
Original languageEnglish
JournalJournal of Applied Polymer Science
Volume17
Issue number8
Pages (from-to)2311-2327
ISSN0021-8995
DOIs
Publication statusPublished - 1973
CitationsWeb of Science® Times Cited: No match on DOI
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