The PF/PU copolymer rigid foam was prepared from resol,polyol,isosyanates.The processing conditions of resol were researched.Flame retardancy and athemancy of product were characterized.

• 在多元醇中掺入甲阶酚醛树脂,与异氰酸酯反应,可以获得具有PF阻燃性和PU绝热性能的PF/PU共聚硬质泡沫塑料。介绍了甲阶酚醛树脂制备方法,并对其合成工艺、反应条件控制等进行了较详尽的探讨。