Abstract
Oleic, linoleic, and linolenic acids are the main components of canola oil and their physiochemical properties decide on the use of canola oil as fuel for diesel engines. Therefore, the measurements of the surface tension of oleic, linoleic, and linolenic acids being the components of the canola oil, as well as their contact angles on the polytetrafluoroethylene (PTFE), poly(methyl methacrylate) (PMMA), and engine valve, were made. Additionally, the surface tension and contact angle on PTFE, PMMA, and the engine valve of the oleic acid and n-hexane mixtures were measured. On the basis of the obtained results, the components and parameters of oleic, linoleic, and linolenic acids’ surface tension were determined and compared to those of the canola oil. Next, applying the components and parameters of these acids, their adhesion work to PTFE, PMMA, and the engine valve was calculated by means of various methods.
Highlights
Canola oil has very wide applications, in the food and pharmaceutical industries, in the production of biofuels, cosmetics, cleaning agents, lubricants, bitumen emulsions, glue production, and as an ingredient for the production of animal feed [1]
Modern diesel engines adapted for the combustion of petroleum-derived fuels cannot be supplied with natural canola oil
The polymers were obtained from Mega-Tech, Poland, and the engine valve was prepared by removing combustion products and their subsequent polishing
Summary
Canola oil has very wide applications, in the food and pharmaceutical industries, in the production of biofuels, cosmetics, cleaning agents, lubricants, bitumen emulsions, glue production, and as an ingredient for the production of animal feed [1] This oil is frequently used as an additive to improve lubricity of petroleum fuels, owing to its good lubrication properties [2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]. The measurements of the contact angle on PTFE and the engine valve for oleic acid, whose content in the oil is the highest, with the addition of n-hexane were performed
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