催化学报

催化学报 ›› 2007, Vol. 28 ›› Issue (5): 389-391.

• 研究快讯 •    下一篇

离子液体中离子型共聚高分子保护的铂纳米粒子催化剂催化肉桂醛选择性加氢

邹鸣,牟新东,颜宁,寇元   

  1. 北京大学化学与分子工程学院, 北京分子科学国家实验室, 北京大学绿色化学研究中心, 北京 100871
  • 收稿日期:2007-05-25 出版日期:2007-05-25 发布日期:2011-04-28

Selective Hydrogenation of Cinnamaldehyde by Ionic Copolymer-Stabilized Pt Nanoparticles in Ionic Liquids

ZOU Ming, MU Xindong, YAN Ning, KOU Yuan*   

  1. PKU Green Chemistry Center, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
  • Received:2007-05-25 Online:2007-05-25 Published:2011-04-28

PDF

1128

被引次数

64

摘要： 用离子型共聚高分子poly(NVP-co-VBIM+Cl-)保护离子液体[bmim]BF4中的铂纳米粒子. 以肉桂醛选择性加氢制肉桂醇反应来评价铂纳米粒子的催化活性. 结果表明,该体系下得到的铂纳米粒子粒径分布均一,并具有很高的稳定性. 在离子液体中,此种高分子保护的铂纳米粒子对肉桂醛加氢制肉桂醇表现出良好的活性(转化率>90%)和选择性(>95%). 催化剂可多次循环,其活性和选择性均能良好保持.

关键词: 铂, 纳米粒子, 离子液体, 离子型共聚高分子, 肉桂醛, 选择性加氢, 肉桂醇

Abstract: An ionic copolymer, poly(NVP-co-VBIM+Cl-), was used to stabilize the platinum nanoclusters in [bmim]BF4 ionic liquid. The nanoclusters obtained were uniform in size and very stable. The catalytic performance of the platinum nanoparticles was tested by selective hydrogenation of cinnamaldehyde. The system exhibited excellent selectivity (>95%) for cinnamic alcohol with high conversion (>90%), and the catalysts were recycled with the activity and selectivity preserved.

Key words: platinum, nanocluster, ionic liquid, ionic copolymer, cinnamaldehyde, selective hydrogenation, cinnamic alcohol