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.
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 ex- hibited excellent selectivity （ 〉 95 % ） for cinnamic alcohol with high conversion （ 〉 90 % ）, and the catalysts were recycled with the activity and selectivity preserved.
出处
《催化学报》
SCIE
EI
CAS
CSCD
北大核心
2007年第5期389-391,共3页
基金
国家自然科学基金重点项目(20533010).
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
platinum
nanocluster
ionic liquid
ionic copolymer
cinnamaldehyde
selective hydrogenation
cinnamic alcohol
