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二氧化硅负载支链有机膦的合成及其在二氧化碳催化氢化反应中的催化性能 被引量：1

Preparation and Characterization of Silica Supported Dendrimeric Phosphine and Its Catalytic Performance for the Hydrogenation of Carbon Dioxide
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摘要 以改性二氧化硅为核,利用发散法合成出二氧化硅负载的1～6代端胺基树枝状高分子(SiO2-PAMAM),样品经FT-IR,TG和端胺基分析表征.利用功能化载体表面的氨基与[Ph2P(CH2OH)2]+Cl-发生反应,合成出SiO2-PAMAM负载的有机膦(SiO2-PAMAM-PPh2),与三氯化钌复配成催化体系,考察了其对吗啉存在下的二氧化碳催化氢化反应的催化性能,该催化体系的催化活性(TOF)可达4195. A series of 1.0 - 6.0 G dendrimers （polyamino-amide; PAMAM） modified silica have been synthesized by divergent method with silica gel as core. The structure of PAMAM/SiO2 has been characterized by terminal amine analysis, TG and IR. The supported phosphines were obtained by the reaction of [Ph2P（CH2OH）2]^＋Cl^- with the amine on the sphere of PAMAM/SiO2. The combination of silica supported dendrimeric phosphine with RuCl3 affords high catalytic activity （turnover frequency, TOF, 4 195） for the hydrogenation of CO2 in the presence of morphine.
作者 苏亚军 周宏勇 马润芝 王家喜
机构地区 河北工业大学化工学院
出处 《河北工业大学学报》 CAS 北大核心 2009年第3期18-23,共6页 Journal of Hebei University of Technology
基金 国家自然科学基金资助(20674015) 天津市应用基础及前沿技术研究计划(08JCYBJC02300)
关键词 纳米二氧化硅 树枝状有机膦 三氯化钌 CO2催化氢化 N-甲酰吗啉 nano-silica dendrimeric phosphine ruthenium trichloride hydrogenation of carbon dioxide N-formylmorpholine
分类号 TQ028.8 [化学工程]
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参考文献25

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二级参考文献31

共引文献137

同被引文献14

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河北工业大学学报
2009年 第3期

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