Synthesis of new functionalized polymers and their use as stabilizers of Pd, Pt, and Rh nanoparticles.: Preliminary catalytic studies

被引:18
作者
Favier, Isabelle
Gomez, Montserrat
Muller, Guillermo
Picurelli, David
Nowicki, Audrey
Roucoux, Alain
Bou, Jordi
机构
[1] Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain
[2] Univ Toulouse 3, UMR CNRS 5069, Lab Heterochim Fondamentale & Appliquee, F-31062 Toulouse 9, France
[3] Ecole Natl Super Chim Rennes, UMR CNRS 6226 Sci Chim Rennes, Equipe Synthese Organ & Syst Organises, F-35700 Rennes, France
[4] Univ Politecn Cataluna, ETS Engn Ind Barcelona, Dept Engn Quim, E-08028 Barcelona, Spain
关键词
functionalization of polymers; colloids; metalorganic catalysts; TEM;
D O I
10.1002/app.26452
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Polymers I-X with functionalized main chain were synthesized from commercial polymers containing reactive groups, anhydride (for Gantrez), or carboxylate (for polyacrylates) moieties, to be used as stabilizers of metallic nanoparticles. H-1 HRMAS, C-13 MAS NMR, IR, and GPC techniques were applied to characterize the new polymers. Metal transition nanoparticles stabilized with these polymers were prepared in organic solvents (Pd and Pt) and also in water/ethanol medium (Rh), under hydrogen atmosphere. TEM analysis revealed the formation of small nanoparticles, in the range similar to 3-20 mn, depending on the solvent, metal precursor, metal concentration, and polymer nature. Preliminary catalytic applications, C-C couplings using palladium and hydrogenations using platinum and rhodium systems in organic and also aqueous medium, were tested. (C) 2007 Wiley Periodicals, Inc.
引用
收藏
页码:2772 / 2782
页数:11
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