Catalytic behaviors and gas permeation properties of palladium-containing phenophthalein poly(ether sulfone)

✍ Scribed by Zhengkun Yu; Yun Xu; Shijian Liao; Ren Liu

• Publisher: John Wiley and Sons
• Year: 1996
• Tongue: English
• Weight: 526 KB
• Volume: 61
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/(sici)1097-4628(19960725)61:4<599::aid-app3>3.0.co;2-g

✦ Synopsis

Dalian institute of Chemical Physics, Chinese Academy of Sciences, P. 0. Box 110, Dalian 11 6023, People's Republic of China

SYNOPSIS

Palladiumsupported on a high-temperature-withstanding polymer, phenophthalein poly(ether sulfone) (PES-C), exhibits very high catalytic activity both in the carbonylation of ally1 bromide and in the hydrogenation of 1-octene a t 40°C and atmospheric pressure. The initial activities are up to 345 mol CO/mol Pd min and 493 mol H,/mol P d min, respectively. The polymer-supported palladium catalysts prepared by refluxing the mixture of PdCl, and PES-C immersed in benzene/ethanol (5, v/v) prior to the preparation of the catalyst show higher catalytic activity than those obtained by refluxing the mixture of PdC1, and PES-C in benzene/ethanol. The Pd-containing PES-C membranes made from the polymer-supported palladium catalysts are endowed with a very specific permeability of H, and the corresponding Pd-containing membrane catalysts can also exhibit considerable catalytic activity for the hydrogenation of 1-octene.