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Synthesis and molecular modelling of bio-based polyamides

Abstract : In the current context of oil resources rarefaction, the development of biobased polymers is of major importance. The present work focused on the development of a biobased amorphous polyphthalamide, based on furan-2,5-dicarboxylic acid. The first part of the study was devoted to the development of a molecular modelling protocol that could calculate the glass transition temperature of polyphthalamides with accuracy. In order to do this, model polyphthalamides based on isophthalic, terephthalic acid and hexamethylene diamine were synthesized and characterized as well as simulated. By comparison between simulated and measured Tg, the protocol was validated. In a second part of the study, this protocol was applied to FDCA based polyphthalamides. These PPA were also synthesized. It was found that the PA 6-F undertakes a decarboxylation, preventing it from reaching high a molar mass. It was also found that the mechanical and thermal properties decrease as the amount of FDCA in the copolymers increases.
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Submitted on : Thursday, February 27, 2014 - 4:04:33 PM
Last modification on : Saturday, June 25, 2022 - 8:31:41 PM
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  • HAL Id : tel-00952848, version 1

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Thibault Cousin. Synthesis and molecular modelling of bio-based polyamides. Other. INSA de Lyon, 2013. English. ⟨NNT : 2013ISAL0019⟩. ⟨tel-00952848⟩

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