Abstract
Free radicals generated from a number of olefinic, acetylenic, and vinyl monomers in the presence of sulphur dioxide and tert‐butyl hydroperoxide were investigated. In all reaction systems a sulphonyl propagating radical first appears which depropagates into the corresponding carbon radical at higher temperatures. The sulphonyl radicals were observed between −119 and −44°C, whereas the carbon radicals were observed from −63 to −1°C. The order of decreasing reactivity of the reaction system was: 3‐hexyne > 1‐heptene > methyl acrylate > acrylonitrile > 1‐heptyne. © 1993 John Wiley & Sons, Inc.
| Original language | English |
|---|---|
| Pages (from-to) | 1417-1421 |
| Number of pages | 5 |
| Journal | Journal of Polymer Science, Part A: Polymer Chemistry |
| Volume | 31 |
| Issue number | 6 |
| DOIs | |
| State | Published - May 1993 |
Keywords
- ESR
- low temperature
- radicals
- sulphur dioxide copolymerization
ASJC Scopus subject areas
- Polymers and Plastics
- Organic Chemistry
- Materials Chemistry
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