Study of Cyano-Derivatives of Propene as Transfer Agents in Radical Polymerizations |
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| Authors: | C A BARSON J C BEVINGTON T N HUCKERBY B J HUNT |
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| Institution: | 1. School of Chemistry , University of Birmingham , Birmingham, B15 2TT, U.K.;2. School of Physics and Chemistry , The University of Lancaster , Lancaster, LA1 4YA, U.K. |
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| Abstract: | ABSTRACT A new procedure for determining transfer constants, depending on knowledge of the numbers of initiator fragments in the average molecules of appropriate polymers, has been applied to crotononitrile (1-cyano-1-propene) and allyl cyanide (3-cyano-l-propene) with methyl methacrylate and styrene at 60°C. Allyl cyanide is the more reactive of the two additives, but is less effective than allylbenzene (3-phenyl-1-propene); neither of the cyano-derivatives causes appreciable retardation. |
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