| abstract |
The invention discloses a kind of preparation methods of Biodegradable lubricant oil, and this approach includes the following steps：It weighs by mass percentage：It is oily based on zinc dialkyl dithiophosphate 2.5-3.5%, KORANTIN SH octadecylammonium salt 0.1-0.8%, isopropanol 5-15%, benzoyl peroxide 2-4%, dibutyl hydroxy toluene 4.3-6.8%, 4- amino -2,6 di t butyl phenol 0.2-3%, nano rare earth compound 2.-3%, barium mahogany sulfonate 2.5-3.5%, tributyl phosphate 1.7-1.9%, calcium mahogany sulfonate 0.8-1.7%, the more succimide 0.8-1.7% of polyisobutene, KORANTIN SH octadecylammonium salt 1.4-2.5%, surplus；It is mixed 5-10 minutes under 300-600 revs/min of revolving speed after above-mentioned raw materials are mixed；It is warming up to 50-90 degrees Celsius and keeps the temperature 1-5 hours；Ultrasound 30-50 minutes, are cooled to room temperature and finished product can be obtained after heat preservation.The present invention has excellent thermal stability and oxidation stability and good hydrolytic stability, low temperature flow, viscosity-temperature characteristics energy, greasy property, biodegradable, has saved resource, has reduced the pollution of anti-response environment. |