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Synthesis and characterization of new polyamides based on Diphenylaminoisosorbide

Authors

  • Asmaa A. Caouthar,

    1. Laboratoire des Réactions Sélectives sur Supports, ICMMO (CNRS, UMR 8615), Bâtiment 410, Université Paris Sud, 91405 Orsay Cedex France
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  • Andre Loupy,

    Corresponding author
    1. Laboratoire des Réactions Sélectives sur Supports, ICMMO (CNRS, UMR 8615), Bâtiment 410, Université Paris Sud, 91405 Orsay Cedex France
    • Laboratoire des Réactions Sélectives sur Supports, ICMMO (CNRS, UMR 8615), Bâtiment 410, Université Paris Sud, 91405 Orsay Cedex France
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  • Michel Bortolussi,

    1. Laboratoire des Réactions Sélectives sur Supports, ICMMO (CNRS, UMR 8615), Bâtiment 410, Université Paris Sud, 91405 Orsay Cedex France
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  • Jean-claude Blais,

    1. Synthèse, Structure et Fonction de Molécules Bioactives (CNRS, UMR 7613), Université Pierre et Marie Curie, 4 Place Jussieu, 75252 Paris Cedex 05 France
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  • Ludovic Dubreucq,

    1. Laboratoire de Chimie Macromoléculaire, Université Pierre et Marie Curie (CNRS, UMR 7610), 4 Place Jussieu, 75252 Paris Cedex 05 France
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  • Abdelkrim Meddour

    1. Laboratoire de RMN en Milieu Orienté, ICMMO (CNRS, UMR 8074), Bâtiment 410, Université Paris Sud, 91405 Orsay Cedex France
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Abstract

New aromatic polyamides were synthesized by the microwave-assisted polycondensation of an optically active isosorbide-derived diamine with different diacyl chlorides in the presence of a small amount of N-methylpyrrolidinone. Polymers with inherent viscosities between 0.22 and 0.73 dL/g were obtained corresponding to molecular weights up to 140,000 g/mol. With interfacial polymerization or the Higashi method, lower molecular weight polymers were obtained with inherent viscosities in the range of 0.04–0.36 dL/g. Differential scanning calorimetry measurements clearly demonstrated the high thermal stability of these polymers (mp = 180–300 °C) and the absence of decomposition. © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 43: 6480–6491, 2005

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