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Theses

Etude du mécanisme de syndiorégulation de la polymérisation anionique de la 2-vinylpyridine en présence d'acides de Lewis organo-aluminiques

Abstract : The polymerization of 2-vinylpyridine initiated by an organolithium derivative in the presence of Et3Al in toluene solution gives a polymer with enhanced syndiotactic content. This work is devoted to the study of the structure and reactivity of the propagating species in anionic polymerization. Model anions were studied by UV-visible and 1H-13C NMR spectroscopy. Propagation kinetics are followed by a calorimetric technique allowing the determination of the corresponding rate constants and thermodynamic parameters. These values are discussed in terms of the reaction mechanism of this polymerization.
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https://tel.archives-ouvertes.fr/tel-00006718
Contributor : Philippe Hubert Connect in order to contact the contributor
Submitted on : Friday, August 20, 2004 - 12:57:45 PM
Last modification on : Monday, March 28, 2022 - 1:02:03 PM
Long-term archiving on: : Friday, April 2, 2010 - 8:14:10 PM

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Philippe Hubert. Etude du mécanisme de syndiorégulation de la polymérisation anionique de la 2-vinylpyridine en présence d'acides de Lewis organo-aluminiques. Autre. Université Sciences et Technologies - Bordeaux I, 1993. Français. ⟨tel-00006718⟩

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