Polyurethane Coatings Based on Chemically Unmodified Fractionated Lignin

@inproceedings{Griffini2015PolyurethaneCB,
  title={Polyurethane Coatings Based on Chemically Unmodified Fractionated Lignin},
  author={Gianmarco Griffini and Valeria Passoni and Raffaella Suriano and Marinella Levi and Stefano Turri},
  year={2015}
}
  • Gianmarco Griffini, Valeria Passoni, +2 authors Stefano Turri
  • Published 2015
  • Chemistry
  • New lignin-based thermoset polyurethane (PU) coatings with high lignin content are presented in this work. These materials were obtained by extracting a sol fraction from a raw kraft lignin sample with the bioderived solvent 2-methyltetrahydrofuran (MeTHF), and subsequently directly cross-linking the MeTHF-soluble lignin fraction with a toluene diisocyanate (TDI)-based polyisocyanate at different weight ratios. A thorough characterization of the PU materials highlighted their improved thermal… CONTINUE READING

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