On Co60 gamma ray-initiated emulsion polymerization

Autor:	G. J. K. Acres, F. L. Dalton
Rok vydání:	1963
Předmět:	Materials science Chain-growth polymerization Polymerization Bulk polymerization Radical polymerization technology industry and agriculture Precipitation polymerization Emulsion polymerization Suspension polymerization Solution polymerization General Medicine Photochemistry
Zdroj:	Journal of Polymer Science Part A: General Papers. 1:3009-3020
ISSN:	1542-6246 0449-2951
DOI:	10.1002/pol.1963.100011001
Popis:	A study was made of the Co/sup 60/ gamma -ray-initiated polymerization of methyl methacrylate and styrene; conversion rates were measured by a dilatometric method. The dependence of polymerization rate on monomer concentration and radiation intensity was determined for each monomer. It is shown that the emulsion polymerization of methyl methacrylate can be described by accepted theories of emulsion polymerization; in the case of styrene a dependence of intensity exponent on monomer concentration was found. Such a dependence does not occur when conventional initinting systems are used, and cannot be explained without some modification of theory. (auth)
Databáze:	OpenAIRE
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