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Chemo-Enzymatic Synthesis and Characterization of Renewable Thermoplastic and Thermoset Isocyanate-Free Poly(hydroxy)urethanes from Ferulic Acid Derivatives

Abstract : This study presents the syntheses and characterization of renewable nonisocyanate polyurethanes (NIPUs) from a new family of aromatic C-5-cyclocarbonate precursors with different functionalities obtained from nontoxic ferulic acid derivatives by glycidylation and carbonation under high carbon dioxide pressure. Depending on the functionality, linear NIPU chains (thermoplastics) or cross-linked NIPU networks (thermosets) have been obtained. The thermoplastic NIPUs molar masses were determined using SEC and H-1 NMR. The thermal and thermo-mechanical properties of the NIPUs were assessed by DSC, DMA (for thermosets), and TGA to determine the influence of the NIPU chemical structure on its properties. The range of T-g obtained (17-72 degrees C) was efficiently correlated with the degree of freedom and the molar mass of the NIPU repeat unit.
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https://hal.archives-ouvertes.fr/hal-01461602
Contributor : Sylvain Caillol <>
Submitted on : Wednesday, February 8, 2017 - 11:58:41 AM
Last modification on : Thursday, July 22, 2021 - 10:03:43 AM

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Raphaël Menard, Sylvain Caillol, Florent Allais. Chemo-Enzymatic Synthesis and Characterization of Renewable Thermoplastic and Thermoset Isocyanate-Free Poly(hydroxy)urethanes from Ferulic Acid Derivatives. ACS Sustainable Chemistry & Engineering, American Chemical Society, 2017, 5 (2), pp.1446-1456. ⟨10.1021/acssuschemeng.6b02022⟩. ⟨hal-01461602⟩

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