Preparing process and usage of thiophosphate

A technology of phosphorothioate and phosphorus trichloride, which is applied in chemical instruments and methods, compounds of Group 5/15 elements of the periodic table, lubricating compositions, etc., can solve the problems of increased cost, difficulty in synthesis, and complex molecular structure of compounds and other problems, to achieve the effect of good anti-wear and high extreme pressure performance
CN1396169AInactive Publication Date: 2003-02-12LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Publication Date
2003-02-12
Estimated Expiration
Not applicable · inactive patent
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Abstract

A novel thiophosphate can be used as the extreme pressure antiwear additive of new-type non-ash lubricating oil for improving the friction-reducing antiwear performance and load-bearing capability ofthe lubricant using atoleine as basic oil.
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Description

Technical field:

[0001] The invention relates to a phosphorothioate and its preparation method and application. Background technique:

[0002] As we all know, zinc dialkyldithiophosphate (ZDDP) has good anti-oxidation, anti-corrosion and anti-wear properties, and has been widely used in lubricating oils such as internal combustion engine oil, gear oil and hydraulic oil for a long time. But there are also some shortcomings in practical applications. For example, ZDDP anti-wear hydraulic oil has a corrosive effect on hydraulic systems containing silver and lead components, and its hydrolysis stability, emulsification resistance and oxidation stability are far from meeting the requirements of the development of modern hydraulic systems; ZDDP contained in internal combustion engine oil Zn is deposited in the internal combustion engine in the form of ZnO during the combustion process, which has an adverse effect on engine operation. Therefore, the development of new ashless mul...

Claims

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