【摘要】 以五氧化二磷为磷酸化试剂,合成了聚乙二醇1000磷酸酯,讨论了原料配比、反应时间、反应温度对反应结果的影响,确定了合成聚乙二醇1000磷酸酯的最佳工艺为:原料比为3∶1,反应温度为100℃,反应时间为3h,酯化率为94.8%更多还原

【Abstract】 Polyethylene glycol 1000 phosphate was synthesized from polyethylene glycol 1000 and phosphorus pen-toxide.The ratio of polyethylene glycol 1000:phosphorus pentoxide was chosen as 3:1 and the mixture were kept at 100℃ for three hours,with the esterification rate of 94.8%.更多还原