Preparation of extreme pressure anti-wear agent and vehicle gear oil containing extreme pressure anti-wear agent
A technology of extreme pressure antiwear agent and gear oil, which is applied in additives, petroleum industry, organic chemistry, etc. It can solve the problems of poor multifunctionality, anti-oxidation, anti-cleaning performance and weak repair function, and achieve good wear resistance, Effect of lower friction coefficient, good load carrying capacity and extreme pressure resistance
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Embodiment 1
[0029] This embodiment provides a preparation method of an extreme pressure antiwear agent, and a vehicle gear oil containing the extreme pressure antiwear agent.
[0030] A preparation method of an extreme pressure antiwear agent, specifically comprising the following steps:
[0031] a, add the borax of 115mg in the 80mg lanthanum nitrate solution and react, and the reaction time is 2h;
[0032] B, then add 89mg of n-butanol to the lanthanum nitrate solution to carry out esterification reaction, the reaction time is 3h;
[0033] c. After the esterification reaction is finished, add an appropriate amount of 100mg dodecyl alcohol-modified graphene oxide to carry out a transesterification reaction to obtain a preliminary reaction solution;
[0034] d. Distilling the preliminary reaction solution to remove impurities to obtain graphene modified by lanthanum dodecyloxyborate, which is the extreme pressure antiwear agent;
[0035] A vehicle gear oil prepared by using an extreme p...
Embodiment 2
[0037] This embodiment provides a preparation method of an extreme pressure antiwear agent, and a vehicle gear oil containing the extreme pressure antiwear agent.
[0038] A preparation method of an extreme pressure antiwear agent, specifically comprising the following steps:
[0039] a, add the borax of 116mg in 90mg lanthanum nitrate solution and react, and the reaction time is 3h;
[0040] B, then add 89mg of n-butanol to the lanthanum nitrate solution to carry out esterification reaction, the reaction time is 5h;
[0041] c. After the esterification reaction is finished, add an appropriate amount of 104 mg dodecyl alcohol-modified graphene oxide to carry out a transesterification reaction to obtain a preliminary reaction solution;
[0042] d. Distilling the preliminary reaction solution to remove impurities to obtain graphene modified by lanthanum dodecyloxyborate, which is the extreme pressure antiwear agent;
[0043] A vehicle gear oil prepared by using an extreme pres...
Embodiment 3
[0045] This embodiment provides a preparation method of an extreme pressure antiwear agent, and a vehicle gear oil containing the extreme pressure antiwear agent.
[0046] A preparation method of an extreme pressure antiwear agent, specifically comprising the following steps:
[0047] a, add the borax of 114mg in the 88mg lanthanum nitrate solution and react, and the reaction time is 4h;
[0048] B, then add 86mg of n-butanol to the lanthanum nitrate solution to carry out esterification reaction, the reaction time is 6h;
[0049]c. After the esterification reaction is finished, add an appropriate amount of 98mg dodecyl alcohol-modified graphene oxide to carry out a transesterification reaction to obtain a preliminary reaction solution;
[0050] d. Distilling the preliminary reaction solution to remove impurities to obtain graphene modified by lanthanum dodecyloxyborate, which is the extreme pressure antiwear agent;
[0051] A vehicle gear oil prepared by using an extreme pre...
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Abstract
Description
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Application Information
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