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Title: Catalyst and preparation process of the catalyst and its ligand, acetic acid and acetic anhydride
Other Titles: 催化剂以及制备该催化剂、其配体、乙酸和乙酐的方法
Authors: Chan, ASC
Yuan, G
Issue Date: 5-Aug-2009
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 200410032269.4 How to cite?
Abstract: The present invention is one kind of methanol oxo-synthesis rhodium catalyst with crosslinked porous microspherical polymer as ligand. The polymer is formed with vinyl pyridine and glycol acrylate and through crosslinking copolymerization. The N and O donor atom in the ligand and tetracarbonyl dirhodium dihalide, under the action of sodium tetraphenylborate, form square planar cis-bicarbonyl Rh(I) structure as positive active center. The negative ion is (BPh₄)-. During the methanol carbonylation, the catalyst can convert methanol into acetic acid and acetic anhydride at relatively low temperature and the CO₂producing amount in the reaction system is lower than 0.005 mol%.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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