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醚基功能化离子液体合成及催化烷基化反应
Authors
任保增
卢丹
+3 more
张锁江
江振西
赵国英
Publication date
1 January 2015
Publisher
Abstract
合成了一系列酸性的醚基功能化离子液体,对其进行了表征和测定。通过乙腈探针红外光谱法确定了最强酸性的催化剂,并将其用于催化异丁烷与2-丁烯的烷基化反应。结果表明:1-甲氧基乙基-3-甲基咪唑溴氯铝酸离子液体(MOEMIMBr/AlCl3)在AlCl3摩尔比为0.75时酸性最强,催化烷基化反应效果最佳;在反应温度35℃,异丁烷与2-丁烯体积比10:1的反应条件下催化烷基化反应,可得到C8选择性66.6%的烷基化油;其催化效果远优于非醚基功能化氯铝酸离子液体的催化效果;该催化剂可循环利用
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Last time updated on 05/12/2019