接触還元法による不飽和アルコールの製造

概要

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A number of preparation methods of unsaturated higher alcohol have been reported, but the production of unsaturated higher alcohol on an industrial scale by these methods has not been susceeded in Japan.<BR>In this report, the authors report the results of a new method using the combined catalyst Cu-Cr-O and cadmium soap. This method can be expected to have the following merit on the industrial production; the Cu-Cr-O catalyst has been used for the preparation of saturated higher alcohol in factory for long time and the cadmium soap is soluble in raw fatty esters, then this new method can be performed with the equipment and the technique established for the preparation of saturated higher alcohol.<BR>From the result of this investigation, it was recognized that desirable unsaturated higher alcohol for detergent can be prepared over 93% yield under such conditions : reaction pressure; 218205kg/cm<SUP>2</SUP>, reaction temperature; 290±3°C, reaction time; 2hrs, used catalyst; Cu-Ba-Cr-O catalyst 0.4g and cadmium soap 1.5g, for 4g of raw methylester.
日本油化学会の論文