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Mechanistic Aspects of Polynaphthalimide Synthesis from NMR AnalysisLaboratoire des Matériaux Organiques à Propriétés Spécifiques, UMR 5041, CNRS/Université de Savoie, chemin du canal, 69360 Solaize, France
Laboratoire des Matériaux Organiques à Propriétés Spécifiques, UMR 5041, CNRS/Université de Savoie, chemin du canal, 69360 Solaize, France, mercier{at}lmops.cnrs.fr
Laboratoire des Matériaux Organiques à Propriétés Spécifiques, UMR 5041, CNRS/Université de Savoie, chemin du canal, 69360 Solaize, France The mechanism of the polycondensation reaction leading to naphthalimide polymers has been investigated using a model compound. In complement to 19F-NMR analysis, 1H- and 13C-NMR spectroscopies were used to identify the intermediate compound. It was concluded that there was no evidence for the formation of an isoimide, but the formation of an amide—acid intermediate was clearly demonstrated.
Key Words: Naphthalimide NMR polycondensation mechanism
This version was published on October
1, 2009 High Performance Polymers, Vol. 21, No. 5,
624-632 (2009) |
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