Low-smell composition of automobile seat electric slide rail lubricating grease and preparation method thereof
A car seat and composition technology, applied in the field of lubricating grease, can solve the problems of VOC, slow lifting speed, excessive content of toxic and harmful substances, etc., and achieve good antirust performance, good long life, and excellent high and low temperature resistance.
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[0035] Example 1
[0036] Base oil 60%,
[0037] Thickener 40%,
[0038] According to the total amount of the above two components, add the following additives by mass percentage:
[0039] Structure improver 0.5%,
[0040] Antioxidant 0.5%,
[0041] Anti-rust agent 0.5%;
[0042] Add 1200g of poly-a-olefin synthetic oil, 160g of dodecanoic acid and 10g of glycerin into the reactor, turn on the stirring, heat to 85°C, add 22.2g of lithium hydroxide aqueous solution, and react for 120 minutes under these conditions; the reaction is over Afterwards, add 640g of polytetrafluoroethylene, heat to 160°C for a second reaction, the reaction time is controlled at 30 minutes; after the reaction, the temperature is raised to 202°C, the temperature is kept at a constant temperature for 2 minutes and then cooled naturally, so that the material temperature is controlled at 165°C In between, the temperature is kept constant for 30 minutes; after the constant temperature is over, the heat medium is stop...
Example Embodiment
[0046] Example 2
[0047] Base oil 65%,
[0048] Thickener 35%,
[0049] According to the total amount of the above two components, add the following additives by mass percentage:
[0050] Structure improver 0.5%,
[0051] Antioxidant 0.5%,
[0052] Anti-rust agent 0.5%;
[0053] Add 1300g poly-a-olefin synthetic oil, 140g dodecahydroxystearic acid and 10g glycerin into the reactor, turn on the stirring, heat to 85°C, add 20g lithium hydroxide aqueous solution, and react for 120 minutes under these conditions; after the reaction is complete , Add 560g polytetrafluoroethylene, heat to 160°C for a second reaction, the reaction time is controlled at 30 minutes; after the reaction is over, the temperature is raised to 202°C, the temperature is kept at a constant temperature for 2 minutes and then naturally cooled, so that the material temperature is controlled at 165°C At the end of the constant temperature for 30 minutes; after the end of the constant temperature, stop the heating medium, ...
Example Embodiment
[0057] Example 3
[0058] Base oil 62%,
[0059] Thickener 38%,
[0060] According to the total amount of the above two components, add the following additives by mass percentage:
[0061] Structure improver 0.5%,
[0062] Antioxidant 0.5%,
[0063] Anti-rust agent 0.5%;
[0064] Add 1240g of poly-a-olefin synthetic oil, 152g of dodecanoic acid and 10g of glycerin into the reaction kettle, turn on the stirring, heat to 85°C, add 21g of lithium hydroxide aqueous solution, and react under these conditions for 120 minutes; after the reaction is complete , Add 608g polytetrafluoroethylene, heat to 160℃ for secondary reaction, the reaction time is controlled at 30 minutes; after the reaction is over, raise the temperature to 202℃, keep it at a constant temperature for 2 minutes and then cool naturally, so that the material temperature is controlled at 165℃ At the end of the constant temperature for 30 minutes; after the end of the constant temperature, stop the heating medium, naturally cool...
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