Synthetic method of solid superacid TiSiW 12 O 40 /TiO 2 was described.The synthesis of iso amyl propionate catalyzed by TiSiW 12 O 40 /TiO 2 has been studied and the factors influencing on the yield is discussed.It s...Synthetic method of solid superacid TiSiW 12 O 40 /TiO 2 was described.The synthesis of iso amyl propionate catalyzed by TiSiW 12 O 40 /TiO 2 has been studied and the factors influencing on the yield is discussed.It shows that it’s an excellent catalyst,the yield of the iso amyl propionate can be over 77% when the molar ratio of iso amyl alcohol and propionic acid is 1.2,the quality of TiSiW 12 O 40 /TiO 2 is equal to 1.5% feed stock,the reaction time is 80min and the reaction temperature is about 103～107℃.展开更多
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Synthetic method of solid superacid TiSiW 12 O 40 /TiO 2 was described.The synthesis of iso amyl propionate catalyzed by TiSiW 12 O 40 /TiO 2 has been studied and the factors influencing on the yield is discussed.It shows that it’s an excellent catalyst,the yield of the iso amyl propionate can be over 77% when the molar ratio of iso amyl alcohol and propionic acid is 1.2,the quality of TiSiW 12 O 40 /TiO 2 is equal to 1.5% feed stock,the reaction time is 80min and the reaction temperature is about 103～107℃.
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 ℃.
