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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: The Heteropolyacids Enhanced Preparation of the Functionalized HRh(CO)(PPh3)3/MCM-41 Materials for Isobutene Hydroformylation
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1180-1183)
Author(s): Jun-qiang Xu, School of Chemistry&Chemical Engineering, Chongqing University of technology, Chongqing, China
Wei Chu, Department of Chemical Engineering, Sichuan University, Chengdu, China
Fang Guo, Department of Chemical Engineering, Sichuan University, Chengdu, China
Huan-fang Gao, School of Chemistry&Chemical Engineering, Chongqing University of technology, Chongqing, China
Abstract: The supported catalyst HRh(CO)(PPh3)3/HPA-MCM-41 had been prepared by impregnating watersoluble organometallic complex HRh(CO)(PPh3)3 onto the mesoporous Si-MCM-41 carrier functionalized by the heteropolyacids. The catalysts were characterized with the N2 adsorption/desorption, FT-IR and XRD technologies. The isobutene hydroformylation to isovaleraldehyde was selected as a model reaction. The supported catalysts HRh(CO)(PPh3)3/HPA-MCM-41 had exhibited significant catalytic performances besides the advantage of easy separation of catalysts from product mixture, compared with the homogeneous catalyst; the highest selectivity of isovaleraldehyde over catalyst using mesoporous Si-MCM-41 carrier was achieved, compared with that of those carried by SiO2, ZSM-5 and β-zeolite. The heteropolyacids was very promoting for enhancing the activity with a high selectivity.
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