中南民族大学学报(自然科学版)
中南民族大學學報(自然科學版)
중남민족대학학보(자연과학판)
JOURNAL OF SOUTH-CENTRAL UNIVERSITY FOR NATIONALITIES(NATURAL SCIENCE EDITION)
2015年
1期
6-9
,共4页
杨海健%宋念念%黄海丽%金亚美%彭静%杨洪委
楊海健%宋唸唸%黃海麗%金亞美%彭靜%楊洪委
양해건%송념념%황해려%금아미%팽정%양홍위
碘化钾%二氧化碳%氧化苯乙烯%苯乙烯环状碳酸酯%优化条件
碘化鉀%二氧化碳%氧化苯乙烯%苯乙烯環狀碳痠酯%優化條件
전화갑%이양화탄%양화분을희%분을희배상탄산지%우화조건
potassium iodide%carbon dioxide%styrene oxide%styrene carbonate%optimal conditions
用碘化钾催化CO2与氧化苯乙烯( SO)合成苯乙烯环状碳酸酯,分别从溶剂、催化剂用量、温度、CO2压力和反应时间进行探讨,得出了最佳条件。结果表明:以无水乙醇为溶剂,催化剂用量r( KI∶SO)=1∶250,在170℃, CO2压力5 MPa,反应时间5 h,苯乙烯环状碳酸酯的产率和选择性均达到100%。
用碘化鉀催化CO2與氧化苯乙烯( SO)閤成苯乙烯環狀碳痠酯,分彆從溶劑、催化劑用量、溫度、CO2壓力和反應時間進行探討,得齣瞭最佳條件。結果錶明:以無水乙醇為溶劑,催化劑用量r( KI∶SO)=1∶250,在170℃, CO2壓力5 MPa,反應時間5 h,苯乙烯環狀碳痠酯的產率和選擇性均達到100%。
용전화갑최화CO2여양화분을희( SO)합성분을희배상탄산지,분별종용제、최화제용량、온도、CO2압력화반응시간진행탐토,득출료최가조건。결과표명:이무수을순위용제,최화제용량r( KI∶SO)=1∶250,재170℃, CO2압력5 MPa,반응시간5 h,분을희배상탄산지적산솔화선택성균체도100%。
Potassium iodide was used to catalyze the coupling reaction of carbon dioxide and styrene oxide for the production of styrene carbonate.The effects of solvent, catalyst amounts,temperature, CO2 pressure and reaction time were assessed to obtain the optimal condition.The results showed that both the yield and selectivity of styrene carbonate could reach to 100%,using anhydrous ethanol as solvent, with the mole ratio of potassium iodide and styrene oxide of 1∶250, under 170℃and 5 MPa of CO2 pressure for 5 h.