Cinétique de télomérisation, 3. Détermination des constantes de tranfert en catalyse rédox |
| |
Authors: | Bernard Boutevin,Yves Pi trasanta |
| |
Affiliation: | Bernard Boutevin,Yves Piétrasanta |
| |
Abstract: | Three methods were used for the determination of transfer constants to the metallic complex in the telomerization reaction with redox catalysis. The first one consists in the determination of DP n as a function of the mole ratio of telogen to monomer at the beginning of the reaction. The second one is based on the variation of the conversion degree of telogen to monomer. The last one requires the knowledge of the cumulated DP n and the conversion degree of monomer samples during the reaction. The proposed laws were checked following the methyl acrylate telomerisation with CCl4 as a telogen and CuCl2 as a catalyst at 120°C. The transfer constant to CuCl2 was found to be about 600 according to the three methods. |
| |
Keywords: | |
|
|