Twelve acid diethanolamide boric acid ester was prepared by using twelve acid and diethanolamine and boric acid as raw materials,and its structure was analyzed by using Fourier Transform Infrared Spectrometer.A semisynthetic cutting fluid was prepared by adding a certain amount of boric acid ester into the base oil,the corrosion performance and antirust property were analyzed,and the extreme pressure and antiwear properties were tested by four ball friction testing machine.The results show that the prepared borate ester has good extreme pressure and antiwear properties in semisynthetic cutting fluid,when the mass fraction of boric acid ester is 11.3%,the friction coefficient of 5% diluent of the cutting fluid reaches 0.056 and maximum nonseizure load reaches 392 N.The performance indicators of the semi synthetic cutting fluid with the borate ester as additive meet the national standard of GB/T 6144-2010.
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袁博,衣守志,杜天源.十二酸二乙醇酰胺硼酸酯的制备及其在半合成切削液中的应用[J].润滑与密封,2015,40(12):99-102. . Development of Twelve Acid Diethanolamide Boric Acid Ester and Its Application in Semi synthetic Cutting Fluid[J]. Lubrication Engineering,2015,40(12):99-102.