Lubricating oil modifying aid and preparation method and application thereof
A lubricating oil and modification technology, which is applied in the field of lubricating oil, can solve the problems of poor lubricity of perfluoropolyether lubricating oil, etc., and achieve the effects of reducing friction coefficient, high specific surface area and strong adsorption capacity
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[0030] The second aspect of the embodiment of the present application provides a method for preparing a lubricating oil modification additive, comprising the following steps:
[0031] S01. Provide fluorinated expanded graphite;
[0032] S02. Mixing fluorinated expanded graphite and permanent magnetic material particles to obtain a first mixture, and performing ball milling and magnetizing treatment on the first mixture to obtain a lubricating oil modification additive.
[0033] The preparation method uses expanded graphite as a raw material, and the expanded graphite is subjected to fluorination treatment; then mixed with permanent magnetic material particles and post-treated; the preparation method is simple and convenient to operate, does not require complicated equipment, and is favorable for wide application.
[0034] Specifically, in the above step S01, expanded graphite is provided, and the preparation method of expanded graphite includes: using graphite as a raw materia...
Embodiment 1
[0061]A kind of lubricating oil modification auxiliary agent and preparation method thereof
[0062] The lubricating oil modification aid includes fluorinated expanded graphite as a support, and permanent magnetic material particles adsorbed on the surface of the support. The lubricating oil modification aid is worm-like; wherein, the permanent magnetic material particles are selected from ferric oxide particles, And the mass ratio of the fluorinated expanded graphite support to the ferric oxide particles is 5:1; the particle size of the ferric oxide particles is 400 mesh.
[0063] The preparation method of lubricating oil modification auxiliary agent:
[0064] Provides N at a volume ratio of 3:1 2 and F 2 In a mixed atmosphere, the expanded graphite was reacted at 300°C for 12 hours for fluorination treatment to obtain fluorinated expanded graphite;
[0065] Mix fluorinated expanded graphite and iron ferric oxide particles to obtain the first mixture, provide grinding ball...
Embodiment 2
[0068] A kind of lubricating oil modification auxiliary agent and preparation method thereof
[0069] The lubricating oil modification aid includes fluorinated expanded graphite as a support, and permanent magnetic material particles adsorbed on the surface of the support. The lubricating oil modification aid is worm-like; wherein, the permanent magnetic material particles are selected from ferric oxide particles, And the mass ratio of the fluorinated expanded graphite support to the ferric oxide particles is 6:1; the particle size of the ferric oxide particles is 500 mesh.
[0070] The preparation method of lubricating oil modification auxiliary agent:
[0071] Provides N at a volume ratio of 3:1 2 and F 2 In a mixed atmosphere, the expanded graphite was reacted at 400°C for 12 hours for fluorination treatment to obtain fluorinated expanded graphite;
[0072] Mix fluorinated expanded graphite with ferric oxide particles to obtain the first mixture, provide grinding balls t...
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