2020
DOI: 10.3390/molecules25051158
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Fully Biobased Epoxy Resins from Fatty Acids and Lignin

Abstract: The use of renewable resources for plastic production is an imperious need for the reduction of the carbon footprint and the transition towards a circular economy. With that goal in mind, fully biobased epoxy resins have been designed and prepared by combining epoxidized linseed oil, lignin, and a biobased diamine derived from fatty acid dimers. The aromatic structures in lignin provide hardness and strength to an otherwise flexible and breakable epoxy resin. The curing of the system was investigated by infrar… Show more

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Cited by 42 publications
(19 citation statements)
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“…Variations in these characteristics due to different lignin origins and processing/extraction methods can cause significant alterations in the performance of the final product [24]. A critical dependence on lignin properties was found for several high-value applications [25][26][27][28], such as the production of polymers [16], antioxidants [29], aromatic compounds [30], the synthesis of vanillin [31], and the development of high-performance concrete water-reducing agents [32]. The availability of effective fractionation processes for obtaining lignins with tailored physico-chemical properties and a defined molecular weight distribution is therefore a key requirement to effectively cope with both the upstream material variability and the downstream application requirements.…”
Section: Introductionmentioning
confidence: 99%
“…Variations in these characteristics due to different lignin origins and processing/extraction methods can cause significant alterations in the performance of the final product [24]. A critical dependence on lignin properties was found for several high-value applications [25][26][27][28], such as the production of polymers [16], antioxidants [29], aromatic compounds [30], the synthesis of vanillin [31], and the development of high-performance concrete water-reducing agents [32]. The availability of effective fractionation processes for obtaining lignins with tailored physico-chemical properties and a defined molecular weight distribution is therefore a key requirement to effectively cope with both the upstream material variability and the downstream application requirements.…”
Section: Introductionmentioning
confidence: 99%
“…The production of bio-based epoxy resins [44] is gaining special attention starting from vegetables oils, such us soybean oil (ESO) and castor oil (ECO), that contain unsaturated groups and can easily undergo oxidation or epoxidation reactions. Baroncini at al [45] covered in a recent review the development of epoxy resins and curing agents from renewable resources underlying, among others, some potential applications for protective coatings.…”
Section: Epoxymentioning
confidence: 99%
“…Among these resources, as a renewable resource with abundant yield and variety, vegetable oil was one of the most promising candidates to replace petroleum derivatives as polymer monomers. There have been many studies on the synthesis and characterization of a wide variety of polymers based on vegetable oils, such as alkyd resins, 7 epoxy resins, 8 polyamides, 9 and polyurethanes 10–12 . Among these vegetable oil‐based polymers, vegetable oil‐based polyurethanes have been used in a variety of applications due to their excellent properties, such as adhesives, 13 coatings, 14 inks, 15 fibers, 16 composites, 4 and so on.…”
Section: Introductionmentioning
confidence: 99%