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Citation: He Binglin, Wang Li. STUDY ON PALLADIUM LOSS FROM POLYMER-BOUNDED HYDROGENATION CATALYSTS Ⅰ. The Influence of Polymer Support[J]. Chinese Journal of Applied Chemistry, ;1989, 6(2): 52-55. shu

STUDY ON PALLADIUM LOSS FROM POLYMER-BOUNDED HYDROGENATION CATALYSTS Ⅰ. The Influence of Polymer Support

He Binglin ,
Wang Li

1.
Institute of Polymer Chemistry, Nankai University, Tianjin

Received Date: 17 May 1988
Available Online: 20 August 1988

The Pd loss from the polymer-bounded palladium catalyst in the selective hydrogenation of 1, 5, 9-cyclododecatriene at 100℃ and 1.96MPa hydrogen pressure has been studied.The effects of polymer supports on the Stability of catalysts were discussed. Pd dissolution was found to be decreased with decrease of pore radius of support. For the same polymer support,the stability of Pd was dependent on the atom i.e.O ≥N >P >C. An electron-donor group which linked with the ligand atom improved the stability of the catalyst. The more active and stable catalyst can be obtained when a five-member ring between Pd and the chelate ligand is formed.
- Polymer-supported catalyst,
- Palladium,
- Hydrogenation
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