Fractionated and purified hybrid poplar lignins as a polyol replacement in rigid polyurethane/polyisocyanurate foams

This study introduces fractionated lignin as an innovative component in the formulation of rigid polyurethane/polyisocyanurate (PUR/PIR) foams. Low‐density PUR/PIR rigid foams were prepared by replacing 80% of the petrochemical‐based polyol with a hybrid poplar (HP) lignin, recovered via alkaline pr...

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Veröffentlicht in:	Journal of applied polymer science 2023-12, Vol.140 (45)
Hauptverfasser:	Henry, Christián, Tindall, Graham, Thies, Mark C., Nejad, Mojgan
Format:	Artikel
Sprache:	eng
Schlagworte:	09 BIOMASS FUELS ALPHA Process Compressive strength Density Foam Fractionation Lignin Materials science Molecular properties Molecular weight Molecular weight distribution Plastic foam Polydispersity Polyisocyanurate Polymers Polyurethane Polyurethane foam Thermal conductivity
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