Performance testing of lubricants based on high oleic vegetable oils

Abstract

USAOwing to growing environmental concerns, vegetable oils are finding their way into lubricants for industrial and transportation applications. Vegetable oils can ofSer significant environmental advantages with respect to resource renewability and biodegradability, as well as offering satisfactory performance in a variety of applications. Synthetic ester-basedfluids may also offer these advantages, however their cost can be prohibitively high. Formulating with vegetable oil does, however, present unique challenges. These are, most notably, the oxidative and hydrolytic instability and low temperature problems associated with the triglyceride. However, through advanced plant breeding techniques, vegetable oils are becoming available which exhibit excellent thermal and oxidative stability and other improved pe$ormance properties. The cost of these oils is much lower than synthetic esters, thereby making them attractive 'environmental' base fluids.

Novel basic ionic liquids from cyclic guanidines and amidines – new catalysts for transesterification of oleochemicals

“…The new ionic liquids were tested in the transesterification of fatty acid methyl esters (FAME) with trimethylolpropane (TMP), neopentyl glycol (NPG) and 2‐ethylhexyl alcohol (2EH). Such esters, especially trimetylolopropane esters of fatty acids, are very important as components for oil bases . The products obtained are mixtures of mono‐, di‐ and triesters, of which di‐ and triesters are the most important (for TMP esterification product) (Scheme ).…”

Production of environmentally adapted lubricant basestock from jatropha curcas specie seed oil

“…The additives that could be used include anti-oxidant, anti-wear, anti-corrosion, etc., which are associated with low biodegradability. However, the additives industry is working hard to develop biodegradable additives [2].…”

Mixture of safflower oil and synthetic ester as a base stock for biodegradable lubricants

“…However, the applications of plant oils as industrial lubricants are very limited due to the fact that they have poor oxidation and thermal stability because of the presence of RCO groups . Further, these oils contain tertiary β‐hydrogen species, which are also quite susceptible to thermal degradation . Plant oil can be treated using specific additives to improve their performance and to formulate more stable lubricants…”