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Valorization of lignin in polymer and composite systems for advanced engineering applications - a review

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journal contribution
posted on 2019-05-09, 14:24 authored by Maurice N. Collins, Mărioara Nechifor, Fulga Tanasă, Mădălina Zănoagă, Anne McLoughlin, Michał Adam Stróżyk, Mario Culebras, Carmen-Alice Teacă
As fossil fuel resources dwindle and new regulations for a cleaner and safer environment come on stream, there is growing interest in developing new sustainable feedstocks for future fuels, chemicals, polymers and fibers. Therefore materials research is ever more focused on the production of green or bio-based materials and their composites. Lignocellulosic biomass has become the feedstock of choice for these new materials as cellulose and lignin are the most abundant biopolymers on the planet. Lignin is a phenolic macromolecule, the principal biological source of aromatic structures, with a complex structure which varies depending on plant species and its isolation process. Despite its high carbon content and its potential as a raw material, lignin remains underutilised. Between 40 and 50 million tons of lignin are produced worldwide per year; while some is being used for low- and medium-value applications, most is currently treated as a non-commercialized by-product or as low value fuel to produce energy. However, with the emergence of biorefinery projects larger amounts of lignin with the potential for valorisation are being produced. Here, we summarise some of the latest developments in the field.


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International Journal of Biological Macromolecules;131, pp. 828-849




peer-reviewed The full text of this article will not be available in ULIR until the embargo expires on the 11/03/2020

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This is the author’s version of a work that was accepted for publication in International Journal of Bioloigcal Macromolecules. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Biological macromolecules, 2019, 131, pp. 828-849,



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