Water base extreme pressure wear resistance multifunctional additive and preparation method thereof, and water base lubricating liquid composition
An extreme pressure antiwear and additive technology, which is applied in the field of water-based thion-type extreme pressure antiwear multifunctional additives, can solve the problems of instability of oil-soluble antiwear agents, difficulty in effectively lubricating metals, and susceptibility to water quality, etc., to achieve Excellent extreme pressure and anti-wear properties, excellent extreme pressure, good solubility effects
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example 1
[0021] In a three-neck flask equipped with electric stirring, reflux tube, and thermometer, heat 0.4mol oleic acid diethanolamine and 0.1mol phosphorus pentasulfide to 90°C, react for 6h, then add 0.2mol triethanolamine after cooling down to normal temperature, and heat to 70°C for reaction 1.5h, thereby making product A. Product A has a sulfur content of 6.21%, a phosphorus content of 5.98%, a nitrogen content of 5.13%, and a carbon content of 68.14%.
[0022] Additive of the present invention comprises the reaction product of multiple structure, has listed the example equation of main reaction among the example 1 below:
[0023] step 1):
[0024]
[0025] The fatty acid amide selected in the formula is oleic acid diethanolamine, i.e. the condensation product of oleic acid and diethanolamine.
[0026] Step (2):
[0027]
example 2
[0029] In a three-neck flask equipped with electric stirring, reflux tube, and thermometer, heat 0.4 mol of diethanolamine dodecanoate and 0.1 mol of phosphorus pentasulfide to 110°C, react for 6 hours, then add 0.2 mol of triethanolamine after cooling down to normal temperature, and heat to 80°C ℃ for 1.5h to obtain product B. Product B has a sulfur content of 8.30%, a phosphorus content of 3.41%, a nitrogen content of 6.11%, and a carbon content of 55.89%.
example 3
[0031] In a three-neck flask equipped with electric stirring, reflux tube, and thermometer, heat 0.4 mol of diethanolamine dodecylenate and 0.1 mol of phosphorus pentasulfide to 100°C, react for 4 hours, then add 0.2 mol of triethanolamine after cooling down to normal temperature, and heat to 60 ℃ for 1.5h to obtain product C. Product C has a sulfur content of 7.97%, a phosphorus content of 4.0%, a nitrogen content of 5.66%, and a carbon content of 54.50%.
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