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2015/1
Perspective of using esters as a national production as bases of oils for the aircraft equipment
Technical sciences

Authors: Boris P. TONKONOGOV graduated from Gubkin Russian State University of Oil and Gas in 1973. Doctor of Chemical Sciences, Dean of the Faculty of Chemical Engineering and the Environment (since 1999), Head of the Department of Chemistry and Technology of lubricants and Chemmotology (since 2007). He is the author of about 100 scientific and educational works. E-mail: masla@gubkin.ru
Ksenia A. POPOVA graduated from Gubkin Russian State University of Oil and Gas in 2013, postgraduate student of chairs of chemistry and technology of lubricants and himmotology. E-mail: proskochenko@mail.ru
Aida F. HURUMOVA Head of the Center of lubricants and fluids in FSUE “Scientific-Research Institute of Standardization and Unification”, Candidate of Technical Sciences. She is the author of over 50 scientific papers and 17 patents for inventions. E-mail: nio-180@inbox.ru

Abstract: To ensure reliable operation of heat-stressed gas-turbine engines (GTE) high-quality lubricants with good performance properties are required. Russian aviation uses foreign-made lubricants for GTE. There are no competitive analogues in Russia, so it important to study and to develop such lubricants. According to publications the most suitable lubricant compositions meeting the requirements for gas turbine engines operable up to 240 °C are the derivatives of esters (neopentyl polyol esters, mainly of pentaerythritol and/or trimethylol propane and mixtures of individual acids of synthetic C5-C9 combined in a specific ratio). In this regard, the aim of this work is to study synthetic lubricants based on esters derived from polyhydric alcohols (polyols) and synthetic fatty acids (SFA). The analysis of the state-of-art in the production of esters and SFA С5-С9 in Russia is presented in this review. The dependence of the properties on the structure of esters is considered, the technological level of works of receiving esters of polyols and SFA is analyzed. The most perspective esters − pentaerythritol and trimethylol propane from the point of view of the increased thermo-oxidizing stabi- lity are chosen. The results of the research expand the knowledge of the dependence of the properties on the structure of esters, the technologies of synthesis of esters of polyols and the importance of the development of the production of esters

Index UDK: 665.773.3

Keywords: esters, diesters, alcohols, fatty acids, dioctyl sebacate, thermo-stable dioctyl sebacate thermostable, gas turbine engines

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