synthesis and study of modified succinimide polymer additives for motor oils

The article presents the results of research on the synthesis of new succinimide additives aki-634, aki-635, aki-636, and aki-637. additive aki-634 is a succinimide obtained by condensation of hexene-1 with styrene with maleic anhydride, aki-635 – of hexene-1 with indene with maleic anhydride, aki-636 – of hexene-1 with dicyclopentadiene with maleic anhydride and aki-637 – of hexene-1 with α-methyl styrene with maleic anhydride and further treatment of co-oligoalkenyl succinic anhydrides with diethylenetriamine. the high-performance properties of the additives are confirmed by standard research methods. studies have shown that additives have high anti-corrosion, detergent, and viscosity-temperature properties. these additives are superior in performance properties to analogs s-5a and ikhp-476. the synthesized succinimides were studied using thermal analysis methods. it was shown that the additives are highly resistant to temperature influences. and so, using the obtained multifunctional succinimide additives, it is possible to develop lubricant compositions of a simpler composition.