A new synthetic process of triethyl phosphate was studied in this paper.
对磷酸三乙酯生产合成新工艺进行了研究,采用两步酯化法合成磷酸三乙酯,通过正交试验确定出最优工艺条件为:反应物料摩尔比8∶1(乙醇∶三氯氧磷);反应温度15℃;反应时间1。
Diethyl phosphate was synthesized indirectly from triethyl phosphate (TEP) P 2O 5 and ethanol, the optimum conditions were that the molar rato of TEP to P 2O 5 to C 2H 5OH was 5∶4∶8, the reaction lasted for 15 h at 100110 ℃.
以磷酸三乙酯 (TEP)为原料间接合成了磷酸二乙酯 ,最佳反应条件为 :TEP/ P2 O5/乙醇 (物质的量比 ) =5∶ 4∶ 8,酯化温度 1 0 0～ 1 1 0℃ ,酯化时间 1 5 h,产物中 w (磷酸二乙酯 )可达 83 。
The reasonability of improved technology is verified by studying triethyl phosphate.
对磷酸三酯传统生产工艺进行了改进，以磷酸三乙酯为例对新工艺进行验证。
A novel phosphorus-containing triazine polymer, used as flame retardant for polymers, was synthesized from triethyl phosphite, cyanuric chloride and anhydrous piperazine via intermediate, triazinyl phosphate.
以亚磷酸三乙酯、三聚氰氯和无水哌嗪为原料,合成了一种新型的含磷三嗪环聚合物,采用凝胶渗透色谱、傅里叶变换红外光谱、核磁共振对中间体三嗪环磷酸酯和产物含磷三嗪环聚合物的结构进行了表征,并采用热重分析对含磷三嗪环聚合物的热稳定性进行了分析。
A phosphorus-containing triazine oligomer was synthesized from triethyl phosphite,cyanuric chloride,pentaerythritol and morpholine through three steps.
以亚磷酸三乙酯、三聚氰氯、季戊四醇和吗啉为原料,经3步反应合成了含磷三嗪环低聚物,考察了反应条件对中间体及产物收率的影响,对中间体及产物的结构和热性能进行了表征。
Distearl alcohol pentaerythritol diphosphite has been synthesised with pentaerythritol,triethyl phosphite and stearic alcohol.
本文以季戊四醇、亚磷酸三乙酯和十八醇为原料,在实验室合成了二硬酯基季戊四醇二亚磷酸酯。
