| Pd/C催化苯酚氧化羰基化合成碳酸二苯酯反应研究 |
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| 引用本文： | 李程,檀结东,王胜平,马新宾.Pd/C催化苯酚氧化羰基化合成碳酸二苯酯反应研究[J].天然气化工,2007,32(4):8-11. |
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| 作者姓名： | 李程 檀结东 王胜平 马新宾 |
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| 作者单位： | 天津大学化工学院,绿色合成与转化教育部重点实验室,天津,300072 |
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| 摘 要： | 考察了Pd/C催化苯酚氧化羰基化合成碳酸二苯酯反应,确定了该反应较适宜的反应条件为反应温度80℃、反应压力5MPa、气相反应物进料配比n(CO)/n(O2)=10、反应时间4h。具有较大极性和较强的永久偶极矩的溶剂二氯乙烷的加入可有效提高苯酚转化率和碳酸二苯酯收率。XRD表征表明可能由于水的存在导致催化剂的活性组分Pd发生聚集使晶粒不断增大。
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| 关 键 词： | 苯酚 氧化羰基化 碳酸二苯酯 Pd/C催化剂 水影响 |
| 文章编号： | 1001-9219（2007）04-08-04 |
| 修稿时间： | 2007-01-01 |
Study on the Synthesis of Diphenyl Carbonate by the Oxidative Carbonylation of Phenol over Pd/C Catalyst |
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| LI Cheng,TAN Jie-dong,WANG Sheng-ping,MA Xin-bin.Study on the Synthesis of Diphenyl Carbonate by the Oxidative Carbonylation of Phenol over Pd/C Catalyst[J].Natural Gas Chemical Industry,2007,32(4):8-11. |
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| Authors: | LI Cheng TAN Jie-dong WANG Sheng-ping MA Xin-bin |
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| Affiliation: | Key Laboratory for Green Chemical Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China |
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| Abstract: | The synthesis of diphenyl carbonate by the oxidative carbonylation of phenol over Pd/C catalyst was investigated and the optimum reaction conditions were determined as fllows: reaction temperature of 80℃,reaction pressure of 5MPa,feed gas CO/O2 molar ratio of 10,and reaction time of 4 hours.Adding the solvent of 1,2-Dichloroethane of high polarity and strong permanent dipole moment to the reaction system was favorable for increasing phenol conversion and DPC yield.XRD results indicated that the growth of crystal particles and the accumulation of active component Pd may be caused by the existence of water. |
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| Keywords: | phenol oxidative carbonylation diphenyl carbonate Pd/C water influence |
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