Boronation phosphoryl phosphor hydrazide ester, preparing method and application of the same

Abstract

The present invention provides a phosphorus diboride hydrazide acyl phosphate ester compound. The compound has a structure as shown in the right general formula. In the formula, R1, R2, R3 and R4 are the same or different C1 to C20 alkyl; X and Y are O or S; X, Y can be the same and can be different. The phosphorus diboride hydrazide acyl phosphate ester compound of the present invention is synthesized by the reaction of phosphorus oxychloride or trichloro parathion, alcohol category of C1 to C20, hydrazine hydrate and boric acid. The compound of the present invention can be used as extreme pressure anti-wear agent in lubricant and grease; the recommended dosage is 0.1 weight percent to 2.0 weight percent.

Description

Phosphoryl phosphoryl hydrazide boride and its preparation method and application technical field The invention relates to a phosphorohydrazide compound, a preparation method thereof and an application method as an extreme pressure antiwear agent. Background technique At present, the widely used ashless anti-wear additives of lubricating oil (grease) mainly include di-n-butyl phosphite (T304), tricresyl phosphate (T306), sulfuric acid-formaldehyde-amine condensate (T305), sulfuric acid Double ester amine salt (T307), phosphate ester amine salt (T308B), etc., there are not many varieties, and each has its own disadvantages, such as di-n-butyl phosphite is too active, and the corrosion is serious during use; tricresyl phosphate oil film strength is not good High; thiophosphoric acid-formaldehyde-amine condensate, thiophosphoric acid double ester amine salt has a very bad smell; phosphate ester amine salt has poor extreme pressure anti-wear performance and thermal stability. ...

AI Technical Summary

Problems solved by technology

At present, the widely used ashless anti-wear additives of lubricating oil (grease) mainly include di-n-butyl phosphite (T304), tricresyl phosphate (T306), sulfuric acid-formaldehyde-amine condensate (T305), sulfuric acid Double ester amine salt (T307), phosphate ester amine salt (T308B), etc., there are not many varieties, and each has its own disadvantages, such as di-n-butyl phosphite is too active, and the corrosion is serious during use; tricresyl phosphate oil film strength is not good High; thiophosphoric acid-formaldehyde-amine condensate, thiophosphoric acid double ester amine salt has a very bad smell; phosphate ester amine salt has poor extreme pressure anti-wear performance and thermal stability, etc.

Images