Lubricating oil
A lubricating oil and high alkali value technology, applied in the field of lubricating oil, can solve the problems of anti-wear and anti-friction performance, poor thermal stability, inability to effectively solve iron powder and mud oil, and accelerate equipment aging, so as to prevent external Pollution, not easy to leak, and the effect of prolonging the service life
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Embodiment 1
[0035]Lubricating oil of the present invention comprises the composition of following percentage by weight:
[0036] 10% detergent and dispersant, 5% anti-oxidant and anti-corrosion agent, 5% extreme pressure anti-wear agent, 10% tackifier, 1% iron-based magnetic fluid, 69% base oil.
[0037] The cleansing and dispersing agent is synthetic calcium alkylbenzene sulfonate with low alkali value.
[0038] The anti-oxidant and anti-corrosion agent is thiophosphatine octyl zinc salt.
[0039] The extreme pressure antiwear agent is sulfurized olefin.
[0040] The tackifier is polyvinyl n-butyl ether.
[0041] The ferrite ferrofluid is Fe 3 o 4 magnetic powder.
[0042] The Fe 3 o 4 The preparation steps of magnetic powder are:
[0043] A. Preparation of Fe 3 o 4 Magnetic powder: mix ferrous salt and ferric salt solution at a ratio of 1:2, and quickly add the above iron salt solution alkaline to the excess NaOH solution precipitant to which oleic acid has been added at room ...
Embodiment 2
[0049] Lubricating oil of the present invention comprises the composition of following percentage by weight:
[0050] 18% detergent and dispersant, 10% anti-oxidant and anti-corrosion agent, 10% extreme pressure and anti-wear agent, 13% tackifier, 2% iron-based magnetic fluid, 47% base oil.
[0051] The detergent and dispersant is high alkali value linear alkylbenzene synthetic calcium sulfonate.
[0052] The antioxidant and anticorrosion agent is bis-octyl zinc salt of thion.
[0053] The extreme pressure and antiwear agent is phosphoric acid ester.
[0054] The tackifier is polymethacrylate.
[0055] The ferrite ferrofluid is Fe 3 o 4 magnetic powder.
[0056] The Fe 3 o 4 The preparation steps of magnetic powder are:
[0057] A. Preparation of Fe 3 o 4 Magnetic powder: Mix ferrous salt and ferric salt solution at a ratio of 1:1.5, add the alkaline solution of the above ferric salt solution quickly to the precipitant of excess NaOH solution to which oleic acid has ...
Embodiment 3
[0063] Lubricating oil of the present invention comprises the composition of following percentage by weight:
[0064] 25% detergent and dispersant, 15% anti-oxidant and anti-corrosion agent, 15% extreme pressure and anti-wear agent, 15% tackifier, 3% iron-based magnetic fluid, 27% base oil.
[0065] The cleansing and dispersing agent is long-chain linear alkylbenzene high base number synthetic calcium sulfonate.
[0066] The anti-oxidant and anti-corrosion agent is bis-octyl zinc salt of subsulfion.
[0067] The extreme pressure antiwear agent is a nitride.
[0068] The tackifier is polyacrylate.
[0069] The ferrite ferrofluid is Fe 3 o 4 magnetic powder.
[0070] The Fe 3 o 4 The preparation steps of magnetic powder are:
[0071] A. Preparation of Fe 3 o 4 Magnetic powder: Mix ferrous salt and ferric salt solution at a ratio of 1:2~1:1, and quickly add the above-mentioned iron salt solution alkaline to the excess NaOH solution precipitant to which oleic acid has be...
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