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Synthesis of biosourced polyether-amides from 1,4-3,6-dianhydrohexitols: Characterization by NMR and MALDI-ToF mass spectrometry

Abstract : New series of polyether-amides were prepared by polycondensation in solution of three diamines based on 1,4-3,6-dianhydrohexitols with two types of diacyl chlorides (sebacoyl and isophtaloyl). Unprecedented diamines based on isomannide and isoidide were elaborated. The corresponding polyether-amides (PeA) were obtained with high yields. They were characterized by different analytical techniques (NMR, MALDI-ToF MS, DSC). The combination of MALDI-ToF MS with NMR spectroscopy allowed us to confirm structure types. DSC measurements revealed an amorphous character for the isophtaloyl family with a high Tg value. The sebacoyl series proved to be semi-crystalline with a high Tm value. Isosorbide-based PeAs demonstrated interesting properties (Tg above 210 °C and Tm above 240 °C) and high viscosity (0.32).
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https://hal.archives-ouvertes.fr/hal-00905733
Contributor : Agnès Bussy <>
Submitted on : Monday, November 18, 2013 - 4:05:52 PM
Last modification on : Tuesday, July 20, 2021 - 11:44:02 AM

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Raouf Medimagh, Salma Mghirbi, Asma Saadaoui, Aurélie Fildier, Marlène Desloir-Bonjour, et al.. Synthesis of biosourced polyether-amides from 1,4-3,6-dianhydrohexitols: Characterization by NMR and MALDI-ToF mass spectrometry. Comptes Rendus Chimie, Elsevier Masson, 2013, 16 (12), pp.1127-1139. ⟨10.1016/j.crci.2013.05.004⟩. ⟨hal-00905733⟩

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