The high reactive flame retardant polyether polyol(HIROL) for polyurethane resin was synthesized by copolymerization of epoxy propane(EP), oxirane(EO), pentabromophenyl glycidyl ether(PBPGE) and glycerol, using BF 3·THF as catalyst.
结果表明 ,当环氧乙烷 /环氧丙烷 /五溴苯基缩水甘油醚摩尔配比为 2∶7∶1时 ,所合成的阻燃聚醚多元醇以质量分数2 3%添入国产 2 5 # PU泡沫材料原料中 ,制得的阻燃PU泡沫材料氧指数为 2 8 5 ;与质量分数为 6 %的甲基膦酸二甲酯复配使用 ,氧指数提高到 32。
The flame retardant polyether polyol(HIROL) containing phosphorus was synthesized with dimethyl phosphite and high reactive chloride polyether polyol(CHIRO) which had chloromethyl group in side chain.
研究了侧链含有氯甲基的高活性氯代聚醚多元醇(CHIROL)与亚膦酸二甲酯钠盐反应,合成高活性含磷阻燃聚醚多元醇(HIROL)的方法。
The new flame retardant polyether polyol was prepared using N,N bis(2 hydroxylethyl) 2,4,6 tribromoaniline as beganning material and 3 (2,4,6 tribromophenoxy)epoxypropane as flame retardant raw material.
着重考察了反应物料比、投料方式、反应时间等因素对阻燃聚醚多元醇物理性质及收率的影响。
The synthetic recipe and technique of JH-452R burning resistance polyether were introduced.
介绍了 Ｊ Ｈ—４５２ Ｒ 耐燃聚醚的合成配方及工艺路线，讨论了影响产品性能的主要因