A low viscosity engine oil and a method for its preparation
By introducing a specific structure of B←N intramolecular coordination borate ester compound into low-viscosity engine oil, the technical contradiction between friction reduction and anti-wear performance of low-viscosity engine oil at high temperatures is resolved, thereby improving oxidation resistance and sludge inhibition, and maintaining low-temperature starting performance.
Patent Information
- Application Number
- CN202610548148.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-23
- Publication Date
- 2026-07-17
AI Technical Summary
While existing low-viscosity engine oils improve friction reduction performance, their anti-wear and anti-oxidation properties decrease, and they are prone to forming sludge at high temperatures, affecting the stable operation of the engine.
Introducing five-membered cyclic borate ester compounds with B←N intramolecular coordination bonds into low-viscosity engine oils, and controlling the degree of esterification and dehydration and the blending temperature, ensures the stability of the coordination structure, reduces the impact of competitive adsorption, and improves antioxidant performance.
It achieves a synergistic improvement in the friction reduction and anti-wear properties of low-viscosity engine oil at high temperatures, extends the high-temperature oxidation induction period, inhibits sludge formation, ensures low-temperature starting performance, and takes into account fuel economy.
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