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| 3,5,5-三甲基己基碳酸酯的绿色合成研究 | |
| 引用本文： | 董燕敏,程琦,赵万胜,陈兴权,赵天生.3,5,5-三甲基己基碳酸酯的绿色合成研究[J].天然气化工,2010,35(4). |
| 作者姓名： | 董燕敏 程琦 赵万胜 陈兴权 赵天生 |
| 作者单位： | 1. 常州大学江苏石油化工重点实验室,江苏,常州,213164 2. 常州大学江苏石油化工重点实验室,江苏,常州,213164;宁夏大学能源化工重点实验室,宁夏,银川,750021 3. 宁夏大学能源化工重点实验室,宁夏,银川,750021 |
| 基金项目： | 江苏省教育厅高校自然科学基础研究项目 |
| 摘 要： | 以碳酸二甲酯(DMC)为羰基化试剂与3,5,5-三甲基己醇(TMH)酯交换合成了3,5,5-三甲基己基碳酸酯(TMHC),考察了催化剂种类、物料配比、反应温度以及时间等因素对反应的影响。结果表明,甲醇钠(CH3ONa)具有较好的催化活性和选择性,最佳工艺条件为:常压,反应温度为140℃,反应时间为5 h,n(DMC):n(TMH)=1∶1。在催化剂用量为原料总质量1%的条件下,目标产物收率为58.3%,选择性为73.3%。 |
| 关 键 词： | 碳酸二甲酯 3 5 5-三甲基己醇 酯交换法 3 5 5-三甲基己基碳酸酯 |
Study on green synthesis of di-3,5,5-trimethylhexyl carbonate |
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| DONG Yan-min,CHENG Qi,ZHAO Wan-sheng,CHEN Xing-quan,ZHAO Tian-sheng.Study on green synthesis of di-3,5,5-trimethylhexyl carbonate[J].Natural Gas Chemical Industry,2010,35(4). | |
| Authors: | DONG Yan-min CHENG Qi ZHAO Wan-sheng CHEN Xing-quan ZHAO Tian-sheng |
| Abstract: | A transesterification process for synthesis of di-3,5,5-trimethylhexyl carbonate from dimethyl carbonate and 3,5,5-trimethylhexyl(TMH) was studied.The influences of kinds of catalysts,ratio of reactants,reaction temperature and reaction time were investigated.The results showed that sodium methoxides(CH3ONa) exhibited high activity and selectivity for the reaction,and opti-mum conditions were obtained as follows: ambient pressure,DMC/TMH mole ratio of 1:1,reaction temperature of 140 ℃,and reac-tion time of 5 h.Under the optimum conditions,TMHC yield and selectivity were 58.3% and 73.3 %,respectively. |
| Keywords: | dimethyl carbonate 3 5 5-trimethylhexanol transesterification di-3 5 5-trimethylhexanol carbonate |
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