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.
英
美
- 在多元醇中摻入甲階酚醛樹(shù)脂,與異氰酸酯反應,可以獲得具有PF阻燃性和PU絕熱性能的PF/PU共聚硬質(zhì)泡沫塑料。介紹了甲階酚醛樹(shù)脂制備方法,并對其合成工藝、反應條件控制等進(jìn)行了較詳盡的探討。
