Theoretical analysis of rates of emulsion polymerization

Gilbert, Robert G. and Napper, Donald H. (1974) Theoretical analysis of rates of emulsion polymerization. Journal of the Chemical Society. Faraday Transactions I, 70 2: 391-399. doi:10.1039/f19747000391


Author Gilbert, Robert G.
Napper, Donald H.
Title Theoretical analysis of rates of emulsion polymerization
Journal name Journal of the Chemical Society. Faraday Transactions I   Check publisher's open access policy
ISSN 0300-9599
1364-5455
Publication date 1974
Sub-type Article (original research)
DOI 10.1039/f19747000391
Volume 70
Issue 2
Start page 391
End page 399
Total pages 9
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Language eng
Abstract The importance of emulsion and seeded polymerizations that proceed with a small average number of free radicals per particle (n̄) has recently been recognized. We now show how to generate analytical solutions to the set of differential equations that describe polymerizations for which n is small due to the rapid transfer of reactivity from the particles. The steady state approximation is not invoked. The analysis exploits methods devised originally to describe gaseous, unimolecular decomposition reactions to which the emulsion polymerizations are analogous. As an example of their usefulness the analytical solutions are applied to the seeded polymerization of vinyl acetate. It is inferred that despite the absence of new nucleation, the efficiency of free radical capture by the particles is remarkably small (< 0.1%); possible reasons for this are discussed.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemistry and Molecular Biosciences
Centre for Nutrition and Food Sciences Publications
 
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Created: Mon, 07 Mar 2011, 15:45:30 EST