A vinyl-terminated prepolymer was prepared by the reaction of hydroxyethyl acrylate (HEA) with isocyanate-terminated prepolymer obtained from polypropylene glycol (PPG) and toluene diisocyanate.

• 聚1,2-丙二醇(PPG)与甲苯二异氰酸酯反应得到端异氰酸酯基聚丙二醇,再与丙烯酸2-羟基乙酯(HEA)反应,制备出端乙烯基聚丙二醇预聚物。