Binary and ternary amorphous palladium alloys -: Characterization, activity and selectivity in hydrogenation of dienes

被引：14

作者：

Varga, M

Mulas, G

Cocco, G

Molnár, A

Lovas, A

机构：

[1] Univ Sassari, Dipartimento Chim, I-07100 Sassari, Italy

[2] Tech Univ Budapest, Dept Mech Engn Technol, Budapest, Hungary

[3] Univ Szeged, Dept Organ Chem, H-6720 Szeged, Hungary

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2001年 / 304卷 / 1-2期

基金：

新加坡国家研究基金会;

关键词：

amorphous palladium alloys; mechanical alloying; 1,3-cyclooctadiene; hydrogenation;

D O I：

10.1016/S0921-5093(00)01495-7

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pd25Zr75, Pd22Cu10Zr68, and Pd72Cu10Si18 alloy ribbons prepared by the rapid quenching technique, and Pd25Zr75, Pd25Cu10Zr65, Pd30Si20 and Pd72Cu10Si18 alloy powders made by mechanical alloying proved to be amorphous by X-lay diffraction and differential scanning calorimetry. The powder samples after HF treatment have been found to exhibit high selectivity in the semihydrogenation of 1,3-cyclooctadiene: the pronounced drop in the hydrogen uptake after the complete consumption of the diene allows the selective synthesis of the corresponding monoene. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：462 / 466

页数：5

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