A new class of polyurethane prepolymer was synthesized from polytet ra methylene ether glycol(PTMG) and toluene diisocyanate(TDI) by investigating the ratio of raw materials and preparation process.

• 以聚四亚甲基醚二醇(PTMG)和甲苯二异氰酸酯(TDI)为原料,研究了TDI/PTMG的摩尔比和制备工艺条件,制备出了聚氨酯预聚体。