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The copolymerisation of 2,4-dicyanobut-1-ene with N-vinyl carbazole |
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| Authors: | A Larrínaga EM Elexpuru LM Len JMG Cowie IJ McEwen |
| Institution: | 1 Departamento de Quimica Fisica, Facultad de Ciencias, Universidad del Pais Vasco, 4808, Bilbao, Spain 2 Department of Chemistry, Heriot-Watt University, Edinburgh EH14 4AS, Scotland |
| Abstract: | The copolymerisation of the monomers 2,4-dicyanobut-1-ene and N-vinyl carbazole has been studied. The presence of a charge transfer complex from these two monomers with a 1:1 stoichiometry has been established, and a value of 0.22 dm3 mol−1 at 298 K for the equilibrium constant for complex formation has been obtained from NMR measurements. The copolymer composition data have been analyzed allowing for the participation of the complex in the propagation reactions; the results have been compared with the predictions of two simpler terminal models and with the penultimate model. |
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