HYDROGENATION ACTIVITY OF POLY(4,7-DIAZAHEPTYL)SILOXANE SUPPORTED PALLADIUM-NICKEL BIMETALLIC CATALYSTS

Chinese Journal of Applied Chemistry ›› 1990, Vol. 0 ›› Issue (2): 45-48.

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HYDROGENATION ACTIVITY OF POLY(4,7-DIAZAHEPTYL)SILOXANE SUPPORTED PALLADIUM-NICKEL BIMETALLIC CATALYSTS

Meng Lingzhi, Huang Qi, Liu Jiwan, Hu Ling, Yang Yezhi

Department of Chemistry, Wuhan University, Wuhan 430072

Received:1989-05-21 Revised:1989-08-19 Published:1990-04-10 Online:1990-04-10

Abstract

Abstract: Palladium-nickel bimetallic catalysts supported on poly-(4,7-diazaheptyl)siloxane wereprepared. XFS analysis indicated that the complexation occurred between nitrogen atom ofthe polymer and Pd⁰, PdCl₂ or NiCl₂. The hydrogenation activity of the catalyst fordecene-1, cyclohexene, propenoic acid, styrene and nitrobenzene has been investigated. Theresult indicated that the bimetallic catalyst showed higher activity in the hydrogenation ofstyrene and nitrobenzene. The activity of the bimetaliic catalyst was affected by the Pd/Niatom ratio and temperature.

Key words: polymer-supported catalyst, azasiloxane polymer, hydrogenation, palladiumnickel catalyst

Meng Lingzhi, Huang Qi, Liu Jiwan, Hu Ling, Yang Yezhi. HYDROGENATION ACTIVITY OF POLY(4,7-DIAZAHEPTYL)SILOXANE SUPPORTED PALLADIUM-NICKEL BIMETALLIC CATALYSTS[J]. Chinese Journal of Applied Chemistry, 1990, 0(2): 45-48.

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HYDROGENATION ACTIVITY OF POLY(4,7-DIAZAHEPTYL)SILOXANE SUPPORTED PALLADIUM-NICKEL BIMETALLIC CATALYSTS

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