Lubricating oil composition and production thereof
AssigneesChina Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, Sinopec
InventorsShihao Xin, Xin Xie, Zuoxin Huang, Qinghua Duan, Zhiqiang Wu, Lihua Wang
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Abstract
This invention relates to a lubricating oil composition and production thereof. The lubricating oil composition comprises a Mannich base represented by the following formula (III) (wherein A and R2 are as defined in the specification) and a lubricant base oil. The lubricating oil composition according to this invention exhibits excellent cleansing and dispersing performance and excellent anticorrosion performance.
Claims14
A lubricating oil composition, comprising a Mannich base and a lubricant base oil, wherein the Mannich base comprises the structure unit (I) and the structure unit (II),
- wherein, multiple R1 may be the same as or different from one another, each independently selected from the group consisting of hydrogen, a C1-4 linear or branched alkyl and a single bond;
- multiple R′ may be the same as or different from one another, each independently selected from the group consisting of hydrogen and a C1-6 linear or branched alkyl;
- R2 represents a C1-12 linear or branched alkyl;
- R3 represents a C1-6 linear or branched alkyl;
- R4 represents a hydrocarbyl having a number-averaged molecular weight Mn of 300-3000;
- multiple y may be the same as or different from one another, each independently selected from an integer of from 2 to 5.
Dependencies are inferred from the claim text.