超声强化碳酸二苯酯合成工艺研究  

Synthesis and Optimization of Diphenyl Carbonate under Ultrasonic

作　　者：沈寒晰[1] 周魁[1] 张金峰[1] 吴素芳[1] SHEN Hanxi;ZHOU Kui;ZHANG Jinfeng;WU Sufang(Shaanxi Key Laboratory of Petroleum for Fine Chemicals, Shaanxi Provincial Research and Design Institute of Petroleum and Chemical Industry,Xi’an 710054, China)

机构地区：[1]陕西省石油化工研究设计院,陕西省石油精细化学品重点实验室,陕西西安710054

出　　处：《化工技术与开发》2017年第2期1-5,共5页Technology & Development of Chemical Industry

基　　金：2015年陕西省科技统筹项目(2015KTZDGY07-04)

摘　　要：本文研究了超声强化合成碳酸二苯酯工艺,通过单因素实验及正交试验,确定了超声强化下碳酸二苯酯合成的优化工艺参数。最佳工艺为:反应温度175℃,超声功率55%,投料摩尔比苯酚∶碳酸二甲酯=0.85∶1,碳酸二甲酯滴加速率1.5m L·min^(-1),催化剂添加量3%,反应时间12h。碳酸二甲酯转化率达到56.8%。超声强化工艺相比普通工艺,转化率提高了30.2%。The synthesis process of diphenyl carbonate was studied under ultrasonic strengthening.According to the single factor experiment and orthogonal experiment,the process parameters were determined.In addition,the synthesis conditions were optimized,the best reaction process was as followed:n(phenol):n(dimethyl carbonate)was0.85:1,the reaction temperature was175℃,the ultrasonic power was55%,dropping speed of DMC was1.5mL/min,the amount of catalyst was3%of dimethyl carbonate,reaction time was12h,the conversion of dimethyl carbonate reached56.8%.Compared with common process,the conversion of dimethyl carbonate increased by30.2%in the ultrasonic strengthen process.

关 键 词：碳酸二苯酯 超声 合成工艺 

分 类 号：O623.662[理学—有机化学]