METHOD OF PRODUCING ESTERS OF DICARBOXYLIC ACIDS Russian patent published in 2017 - IPC C07C67/08 C07C69/82 C07C69/50 

Abstract RU 2631425 C1

FIELD: chemistry.

SUBSTANCE: esters of dicarboxylic acids are widely used in paint and cosmetic industry, and as a base (base component) in the production of synthetic lubricating oils for various purposes. The method of producing esters of dicarboxylic acids, characterized in that esterification of dicarboxylic acids selected from terephthalic, sebacic and a mixture of organic acids with monohydric alcohol 2-ethylhexanol (2-EG) is carried out under supercritical conditions, namely, at the phase transition point at a temperature of not less than 340°C and pressure of, at least, 2.76 MPa for 30 minutes.

EFFECT: invention solves technical problem for improving the technology of production and expansion of raw materials for production of esters of dicarboxylic acids.

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RU 2 631 425 C1

Authors

Shiriyazdanov Rishat Rifkatovich

Khamzin Yunir Azamatovich

Davletshin Artur Raisovich

Gajnullin Roman Maratovich

Vildanov Farkhad Shamilevich

Kutukov Ilya Evgenevich

Telyashev Elshad Gumerovich

Yakupov Nail Vladislavovich

Dates

2017-09-22Published

2016-05-04Filed