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Open AccessArticle

Synthesis of Resins Using Epoxies and Humins as Building Blocks: A Mechanistic Study Based on In-Situ FT-IR and NMR Spectroscopies

Institut de Chimie de Nice, Université Côte d’Azur, Université Nice-Sophia Antipolis, UMR CNRS 7272, CEDEX 02, 06108 Nice, France
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Academic Editor: Sylvain Caillol
Molecules 2019, 24(22), 4110; https://doi.org/10.3390/molecules24224110
Received: 10 October 2019 / Revised: 8 November 2019 / Accepted: 12 November 2019 / Published: 14 November 2019
(This article belongs to the Special Issue Natural Polymers and Biopolymers II)
The combination of eco-respectful epoxy compounds with the humins, a by-product of biomass chemical conversion technologies, allow the obtention of materials with high added value. In this work, we propose a chemical connection study of humins with two aliphatic bis-epoxides through copolymerization reactions to synthesize sustainable, bio-based thermosets. The mechanism insights for the crosslinking between the epoxides and humins was proposed considering the different functionalities of the humins structure. Fourier Transform InfraRed (FT-IR), one dimensional (1D) and two-dimensional (2D) Nuclear Magnetic Resonance (NMR) spectroscopy techniques were used to build the proposed mechanism. By these techniques, the principal chain connections and the reactivity of all the components were highlighted in the synthesized networks. View Full-Text
Keywords: biomass; green chemistry; mechanims; humins; epoxy resins; thermosets biomass; green chemistry; mechanims; humins; epoxy resins; thermosets
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Montané, X.; Dinu, R.; Mija, A. Synthesis of Resins Using Epoxies and Humins as Building Blocks: A Mechanistic Study Based on In-Situ FT-IR and NMR Spectroscopies. Molecules 2019, 24, 4110.

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