The synthesis of tri(β-chloroethyl)phosphate(TCEP) from ethylene oxide and phosphorus oxychloride catalyzed by a solid super acid TiSiW 12O 40/TiO 2 has been studied. The optimun reactions conditions are: molar ratio...The synthesis of tri(β-chloroethyl)phosphate(TCEP) from ethylene oxide and phosphorus oxychloride catalyzed by a solid super acid TiSiW 12O 40/TiO 2 has been studied. The optimun reactions conditions are: molar ratio of ethylene oxide to phosphorous oxychloride=3.10∶1.00, catalyst amount 1.5%, 5 h and 30～45 ℃.展开更多
文摘The synthesis of tri(β-chloroethyl)phosphate(TCEP) from ethylene oxide and phosphorus oxychloride catalyzed by a solid super acid TiSiW 12O 40/TiO 2 has been studied. The optimun reactions conditions are: molar ratio of ethylene oxide to phosphorous oxychloride=3.10∶1.00, catalyst amount 1.5%, 5 h and 30～45 ℃.
文摘设计合成了一种新型磺酸聚醚高分子表面活性剂,并通过聚β-氯乙基缩水甘油醚与对羟基苯磺酸钠在以四丁基溴化胺为催化剂、不同的碱种类及用量、不同的反应温度和时间等条件下制备.产物用元素分析、红外光谱和核磁图谱表征其结构.产物的广角X射线衍射数据表明:不同转化率磺化物均呈无定型聚集态结构.同时,对不同硫含量的磺酸聚醚的表面张力以及临界胶束浓度(CM C)的研究结果表明:硫含量增大时,其水溶液的表面张力增大,CM C增大;当硫含量一定时,水溶液中加无机盐有利于降低表面张力,且反离子浓度越大,表面张力降低越明显.无机盐中金属的价态越高,越有利于降低表面张力和CM C.
