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Lubricants 2017, 5(3), 28; doi:10.3390/lubricants5030028

The Impact of Fatty Acid Diisopropanolamides on Marine Gas Oil Lubricity

1
Laboratory of Fuels and Lubricants Technology, School of Chemical Engineering, National Technical University of Athens, Iroon Polytechniou 9, 15780 Athens, Greece
2
Laboratory of Fuels & Lubricants, Hellenic Naval Academy, End of Hatzikyriakou Avenue, 18539 Piraeus, Greece
3
Environment and Quality of Life Laboratory, School of Chemical Engineering, National Technical University of Athens, Iroon Polytechniou 9, 15780 Athens, Greece
*
Author to whom correspondence should be addressed.
Received: 20 June 2017 / Revised: 1 August 2017 / Accepted: 2 August 2017 / Published: 4 August 2017
(This article belongs to the Special Issue Green Chemistry in Lubrication)
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Abstract

In this study, seven mixtures of diisopropanolamides that were synthesized from various vegetable oils (sunflower oil, soybean oil, cotton seed oil, olive oil, tobacco seed oil, coconut oil, used frying oil) were used as lubricating additives in a low-sulfur marine gas oil. All tribological measurements were carried out by using the high-frequency reciprocating ring (HFRR) test procedure, according to EN ISO 12156-1. The obtained wear results showed that all mixtures of diisopropanolamides used provide satisfactory a mean wear scar diameter (WS 1.4) of less than 520 μm, at concentration levels of 60–120 ppm. The concentrations below 60 ppm had no effect on the fuel lubricity. An increase in the concentration of the diisopropanolamide mixtures led to an insignificant increase of the lubrication effectiveness. View Full-Text
Keywords: Marine Gas Oil; lubricity; lubricating additives; diisopropanolamides; HFRR Marine Gas Oil; lubricity; lubricating additives; diisopropanolamides; HFRR
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MDPI and ACS Style

Anastopoulos, G.; Kaligeros, S.; Schinas, P.; Zannikou, Y.; Karonis, D.; Zannikos, F. The Impact of Fatty Acid Diisopropanolamides on Marine Gas Oil Lubricity. Lubricants 2017, 5, 28.

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