New Sebacic Complex Ester Base Oils Lubricants with Biodegradability Potential

摘要

The paper presents results concerning the synthesis and characterisation as lubricants with biodegradability potential of some complex esters realized on the basis of sebacic acid, different glycols, such as trie-thylene, diethylene,(mono) ethylene, 1,3 propylene, 1,4 butylene, 1,5 pentamethylene and 1,6 hexame-thylene glycol, respectively, along with oleic acid used/considered as an end/final segment or a capping element. On the basis of a regular alternation or successive distribution principle of the polar and non-polar chemical functions equally issued/shared out on the length of a sufficient/satisfactory long/large molecule, valuable synthetic ester lubricants/base oils with biodegradability potential, were performed. These products showed remarkable good tribological properties, such as high viscosity indices, high flash points and very good lubricity features.