F Tian, Y Wu, H Xu, H Chen, B Wang, C Zhu… - … and Building Materials, 2024 - Elsevier
How to ensure the fire safety of rigid polyurethane (RPU) insulation materials remains a
challenge. Herein, alkali lignin (AL) and 4, 4′-diphenylmethane diisocyanate (MDI) were …