Study on the Synthesis and Lubricity of N, N''''-Alkylene Bisamides of Fatty Acids

21 fatty acid bisamides were prepared by the reaction of fatty acids with diamines or the acid catalyzed reaction of fatty acid amides with formaldehyde. Their lubricity in the processing of plastics was measured and the relationship between chemical structure and lubricity was also investigated. It is shown that the N,N'-ethylenebisamide of erucic acid has the best lubricity in these prepared bisamides.