Free-radical polymerizations of methyl methacrylate (MMA) and of butyl acrylate (BA) in fluid C02 were studied by means of pulsed laser polymerization (PLP) and molecular weight analysis of the resulting polymer using size-exclusion chromatography (SEC). With the PLP-SEC technique propagation rate c
Free-radical propagation rate coefficients for cyclohexyl methacrylate, glycidyl methacrylate and 2-hydroxyethyl methacrylate homopolymerizations
β Scribed by Michael Buback; Caroline H. Kurz
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 881 KB
- Volume
- 199
- Category
- Article
- ISSN
- 1022-1352
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## Abstract A comprehensive and systematic study of overall termination rate coefficients, __k__~t~, in lowβconversion radical (homo)polymerization of methyl methacrylate and styrene is presented. Values of __k__~t~ were determined by gravimetric analysis of steadyβstate experiments, employing 2,2β²
The propagation rate coefficient in free-radical bulk polymerization of butyl methacrylate has been studied at temperatures between -10Β°C and 60 "C up to a maximum pressure of 2000 bar. The data were obtained by means of the PLP-GPC technique which combines pulsed-laser polymerization with product a