tert-Butyl Ethers of Renewable Diols as Oxygenate Additives to Automobile Gasolines. Part II: Ethers of Ethylene Glycol and 2,3-Butanediol

The results obtained in the second part of the study of vicinal ( tert- butoxy)alkanols as additives to automobile gasolines are presented. Mono- tert- butyl ethers of ethylene glycol (ETBE) and 2,3-butanediol (BTBE) were prepared by direct acid-catalyzed alkylation of the corresponding diols with t...

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Veröffentlicht in:	Petroleum chemistry 2023-08, Vol.63 (8), p.949-958
Hauptverfasser:	Samoilov, V. O., Stolonogova, T. I., Ramazanov, D. N., Tyurina, E. V., Sultanova, M. U., Lavrent’ev, V. A., Krasnoshtanova, S. S., Chernysheva, E. A., Kapustin, V. M.
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Sprache:	eng
Schlagworte:	Additives Alkylation Boiling points Butanediol Butanol Chemistry Chemistry and Materials Science Crystallization Diols Ethanol Ethers Ethylene glycol Formulations Gasoline Heat of combustion Industrial Chemistry/Chemical Engineering Octane number Physical properties Synergistic effect Vapor pressure
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creator	Samoilov, V. O. Stolonogova, T. I. Ramazanov, D. N. Tyurina, E. V. Sultanova, M. U. Lavrent’ev, V. A. Krasnoshtanova, S. S. Chernysheva, E. A. Kapustin, V. M.
description	The results obtained in the second part of the study of vicinal ( tert- butoxy)alkanols as additives to automobile gasolines are presented. Mono- tert- butyl ethers of ethylene glycol (ETBE) and 2,3-butanediol (BTBE) were prepared by direct acid-catalyzed alkylation of the corresponding diols with tert- butanol. The substances obtained were characterized by main physical properties (density, viscosity, boiling point, crystallization point, specific heat of combustion) and were studied as additives to automobile gasolines. The effect of ether additives on the main physicochemical properties of gasolines (fractional composition, saturated vapor pressure, concentration of actual resins, knock resistance), including ethanol-containing gasolines, was studied. The mean research/motor blending octane numbers for ETBE and BTBE were 130/103 and 115/97, respectively. Inclusion of ETBE/BTBE into the formulations of ethanol-containing gasolines allowed the cloud point to be considerably reduced without unambiguous synergistic effect on the knock resistance.
doi_str_mv	10.1134/S0965544123060154
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The substances obtained were characterized by main physical properties (density, viscosity, boiling point, crystallization point, specific heat of combustion) and were studied as additives to automobile gasolines. The effect of ether additives on the main physicochemical properties of gasolines (fractional composition, saturated vapor pressure, concentration of actual resins, knock resistance), including ethanol-containing gasolines, was studied. The mean research/motor blending octane numbers for ETBE and BTBE were 130/103 and 115/97, respectively. 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subjects	Additives Alkylation Boiling points Butanediol Butanol Chemistry Chemistry and Materials Science Crystallization Diols Ethanol Ethers Ethylene glycol Formulations Gasoline Heat of combustion Industrial Chemistry/Chemical Engineering Octane number Physical properties Synergistic effect Vapor pressure
title	tert-Butyl Ethers of Renewable Diols as Oxygenate Additives to Automobile Gasolines. Part II: Ethers of Ethylene Glycol and 2,3-Butanediol
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