| HgCl2/I2复合催化剂协同催化合成异丙醇钇的研究 |
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| 引用本文： | 陈永熙,周立娟,孙育斌,雷家珩.HgCl2/I2复合催化剂协同催化合成异丙醇钇的研究[J].武汉大学学报(理学版),2002,48(2):151-154. |
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| 作者姓名： | 陈永熙 周立娟 孙育斌 雷家珩 |
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| 作者单位： | 1. 武汉理工大学,理学院,湖北,武汉,430070
2. 山东理工大学,材料学院,山东,淄博,255091 |
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| 摘 要： | 以金属钇和异丙醇为原料，以HgCl2/I2为复合催化剂，通过对金属钇的机械加工以增加其比表面，并将异丙醇脱水使其含水量降低至0．05％，体系在82℃回流5h，经过滤、减压蒸馏，得到了白色海绵状异丙醇钇，其产率高达83％，合成时间比文献报道的缩短了19h，产率提高了8％。文章确定了催化剂的最佳用量为20gY加入60mg HgCl2/I2，研究了合成产率与HgCl2/I2催化剂和HgCl2催化剂的依赖关系及异丙醇中含水量对合成产率的影响，并对HgCl2/I2的催化作用机理进行了初步探讨。
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| 关 键 词： | HgCl2／I2复合催化剂 协同催化合成 异丙醇钇 氯化汞 碘 催化机理 含水量 |
| 文章编号： | 0253-9888(2002)02-0151-04 |
| 修稿时间： | 2001年7月5日 |
The Catalytic Synthesis of Yttrium Isopropoxide with HgCl2/I2 Composite Catalyst |
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| CHEN Yong-xi,ZHOU Li-juan,SUN Yu-bin,LEI Jia-heng.The Catalytic Synthesis of Yttrium Isopropoxide with HgCl2/I2 Composite Catalyst[J].JOurnal of Wuhan University:Natural Science Edition,2002,48(2):151-154. |
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| Authors: | CHEN Yong-xi ZHOU Li-juan SUN Yu-bin LEI Jia-heng |
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| Affiliation: | CHEN Yong-xi1,ZHOU Li-juan2,SUN Yu-bin1,LEI Jia-heng1 |
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| Abstract: | Yttrium metal shavings reacted with dehydrated isopropanol under reflux using HgCl2/I2 as a composite catalyst for 5 hours to give yttrium isopropoixde in 83 % yield. Compared with the reported methods, the period for synthesis was shortened by 19 h and the yield is increased by 8%. The optimum catalyst /yttrium ratio is 60 mg/20 g. The relationship between yield and catalyst and the effect of water content in isopropanol on the reaction were investigated. The catalysis mechanism of HgCl2/I2 was discussed. |
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| Keywords: | yttrium isopropoxide synthesis HgCl2/I2 catalyst |
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