Studies of the Mechanism of Copolymerization of Electron-Donor Dienes and Acrylonitrile |
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| Authors: | George B. Butler Jen-Chi Chen |
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| Affiliation: | 1. Center for Macromolecular Science &2. Engineering and Department of Chemistry , University of Florida , Gainesville, Florida, 32611 |
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| Abstract: | In the copolymerizations of acrylonitrile with l-ethoxy-1,3-butadiene and l-diethylamino-1,3-butadiene, the resulting copolymers were found to have a highly alternating structure. Their monomer reactivity ratios were determined by the Fineman-Ross and Kelen-Tüdos methods. A mechanism for this alternating copolymerization system is suggested on the basis of chemical shift differences between the head-to-tail and head-to-head monomer sequence distributions. |
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