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温控相分离纳米 Rh 催化1,5-环辛二烯选择性加氢反应

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Indexed by: Journal Article

Date of Publication: 2012-12-01

Journal: 催化学报

Included Journals: Scopus、SCIE、CSCD、ISTIC、PKU、EI

Volume: 33

Issue: 12

Page Number: 1871-1876

ISSN: 0253-9837

Key Words: 温控相分离催化 离子液体 铑纳米粒子 选择性加氢 1,5-环辛二烯 thermoregulated phase-separable catalysis ionic liquid rhodium nanoparticle selective hydrogenation 1,5-cyclooctadiene

Abstract: 发现离子液体[CH3(OCH2CH2)nN+Et3][CH3SO3–](ILPEG, n =12,16,22)具有临界溶解温度特性,据此确证了以 ILPEG 为稳定剂制得的 Rh 纳米催化剂具有温控相分离催化功能,并将其用于1,5-环辛二烯(1,5-COD)选择性加氢制环辛烯(COE)的反应中.在优化的反应条件下,1,5-COD 转化率和 COE 选择性分别为99%和90%; Rh 纳米催化剂经简单分相即可与产物分离,催化剂循环使用10次,其活性和选择性无明显降低.

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