Citation: CHEN Yuying, YUAN Guoqing, CHEN Rongyao. KINETIC STUDY OF CARBONYLATION OF METHANOL TO ACETIC ACID AND ACETIC ANHYDRIDE OVER A NOVEL COPOLYMER-BOUND CIS-DICARBONYLRHODIUM COMPLEX*[J]. Chinese Journal of Polymer Science, ;1989, 7(3): 225-231. shu

KINETIC STUDY OF CARBONYLATION OF METHANOL TO ACETIC ACID AND ACETIC ANHYDRIDE OVER A NOVEL COPOLYMER-BOUND CIS-DICARBONYLRHODIUM COMPLEX*

Received Date: 14 May 1988

The kinetic study of carbonylation of methanol-acetic acid mixture to acetic acid and acetic anhydride over a cis-dicarbonylrhodium complex (MVM' Rh) coordinated with the ethylene diacrylate (M') crosslinked copolymer of methyl acrylate (M) and 2-vinylpyddine (V)shows that the rate of reaction is zero order with respect to both reactants methanol and carbon monoxide, but first order in the concentrations of promoter methyl iodide and rhodium in the complex. Polar solvents can accelerate the reaction. Activation parameters were calculated from the experimental results,being comparable to that of the homogeneous system.A mechanism similar to that of soluble rhodium catalyst was proposed.
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