HYDROGENATION ACTIVITY AND XPS STUDY OF POLY-r-AMINOPROPYL S1LOXANE SUPPORTED PALLADIUM- MOLYBDENUM BIMETALLIC COMPLEXES CATALYST

LIU Ji-wan; YOU Yiang; YANG Dan; ZHENG Zhao-jia; NI Ji-lin; LI Qing-yun

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HYDROGENATION ACTIVITY AND XPS STUDY OF POLY-r-AMINOPROPYL S1LOXANE SUPPORTED PALLADIUM- MOLYBDENUM BIMETALLIC COMPLEXES CATALYST

Research Article | 更新时间：2021-03-19

- HYDROGENATION ACTIVITY AND XPS STUDY OF POLY-r-AMINOPROPYL S1LOXANE SUPPORTED PALLADIUM- MOLYBDENUM BIMETALLIC COMPLEXES CATALYST
- Acta Polymerica Sinica Issue 5, Pages: 579-584(1989)
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- Published：20 October 1989，
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LIU Ji-wan, YOU Yiang, YANG Dan, ZHENG Zhao-jia, NI Ji-lin, LI Qing-yun. HYDROGENATION ACTIVITY AND XPS STUDY OF POLY-r-AMINOPROPYL S1LOXANE SUPPORTED PALLADIUM- MOLYBDENUM BIMETALLIC COMPLEXES CATALYST. [J]. Acta Polymerica Sinica (5):579-584(1989)
DOI：

LIU Ji-wan, YOU Yiang, YANG Dan, ZHENG Zhao-jia, NI Ji-lin, LI Qing-yun. HYDROGENATION ACTIVITY AND XPS STUDY OF POLY-r-AMINOPROPYL S1LOXANE SUPPORTED PALLADIUM- MOLYBDENUM BIMETALLIC COMPLEXES CATALYST. [J]. Acta Polymerica Sinica (5):579-584(1989) DOI：

摘要

本工作合成了四种不同N/Pd摩尔比的聚γ-氨丙基硅氧烷钯、钼双金属催化剂

它们的加氢活性与相应的钯、钼单金属催化剂的混合物相比差别不大

但是

由于钼的加入

提高了单金属钯催化剂的加氢活性。XPS分析表明

有一部分N与PdCl2及MoClx发生络合

而且Pd-Cl键和Mo—Cl键依然存在

催化剂中Pd的价态为正2价

Mo的价态为正5或6价。

Abstract

This paper is concerned with synthesis of the title complex and study on its hydrogena-tion activity for olefins and nitrobenzene. Comparison with the activity of the palladium-nitrogen complex

the mixture of the later and the bound molybdenum complex was made.The data indicated that the catalytic activity of the title complex was higher than that of the monometallic analogue

however

the corresponding rates in both cases the bimetallic complex and mixture catalysts are similar to each other. From the result of XPS analysis we can see that complex between some N and PdCl2 or MoClx takes place

however

the bond of Pd-Cl or Mo-Cl remains

the valences of Pd and Mo are 2 and 5 (or 6) in catalysts respectively.

关键词

聚硅氧烷双金属络合物催化剂氢化活性XPS分析

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