Lignin-based polyurethane was synthesized by using l ignin, 2,4-tolulene diisocyanate(2,4-TDI) and hexamethylene diisocyanate(HDI),its properties were determined.

• 利用木素和两种二异氰酸酯合成了聚氨酯，对其热性能、力学性能、膨胀性能进行了测试。