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Antirust composite calcium sulfonate-based lubricating grease and preparation method thereof

A composite calcium sulfonate-based lubricating grease and technology of composite calcium sulfonate, applied in lubricating compositions, petroleum industry, etc., can solve the problems of mediocre performance, little industrialization, late research, etc., and achieve reasonable formula and anti-rust performance Outstanding, low raw material cost effect

Inactive Publication Date: 2019-01-18
江苏澳润新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Composite calcium sulfonate grease has been widely studied and applied in foreign countries in the 1980s, but domestic research is relatively late, and most of them are currently limited to literature, and there are few real industrialized greases.
At present, there are many kinds of complex calcium sulfonate greases on the market, but their performance is mediocre and cannot meet some special requirements.

Method used

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  • Antirust composite calcium sulfonate-based lubricating grease and preparation method thereof
  • Antirust composite calcium sulfonate-based lubricating grease and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Party:

[0026] 50 parts of high alkali value calcium sulfonate, 20 parts of polyalkylcyclopentane, 5 parts of alkylbenzenesulfonic acid, 0.5 part of calcium carbonate, 2 parts of organic thickener, 0.5 part of 2-mercaptobenzothiazole, benzimidazole 1 serving.

[0027] The total base number of the high base value calcium sulfonate is 350mgKOH / g.

[0028] The organic thickener is sodium polyacrylate.

[0029] Preparation:

[0030] (1) Take high alkali value calcium sulfonate, half of the amount of polyalkylcyclopentane, half of the amount of alkylbenzenesulfonic acid, calcium carbonate, and water as solvents, add them to the reaction kettle and heat to 75 ° C, and stir for 30 minutes;

[0031] (2) Take the remaining amount of polyalkylcyclopentane and alkylbenzenesulfonic acid, add it to the reaction kettle, heat up to 85°C, and heat and stir for 30min;

[0032] (3) Add 2-mercaptobenzothiazole and benzimidazole, and continue to stir for 30 minutes;

[0033] (4) Add ...

Embodiment 2

[0036] Party:

[0037] 50 parts of high alkali value calcium sulfonate, 40 parts of polyalkylcyclopentane, 15 parts of alkylbenzenesulfonic acid, 1.5 parts of calcium carbonate, 6 parts of organic thickener, 1.5 parts of 2-mercaptobenzothiazole, benzimidazole 3 copies.

[0038] The total base number of the high base value calcium sulfonate is 450mgKOH / g.

[0039] The organic thickener is polytetrafluoroethylene.

[0040] Preparation:

[0041] (1) Take high alkali value calcium sulfonate, half of the amount of polyalkylcyclopentane, half of the amount of alkylbenzenesulfonic acid, calcium carbonate, and water as solvents, add them to the reaction kettle and heat to 85°C, and stir for 60 minutes;

[0042] (2) Take the remaining amount of polyalkylcyclopentane and alkylbenzenesulfonic acid, add it to the reaction kettle, heat up to 95°C, and heat and stir for 60min;

[0043] (3) Add 2-mercaptobenzothiazole and benzimidazole, and continue to stir for 60 minutes;

[0044] (4) ...

Embodiment 3

[0047] Party:

[0048] 50 parts of high alkali value calcium sulfonate, 30 parts of polyalkylcyclopentane, 10 parts of alkylbenzenesulfonic acid, 1 part of calcium carbonate, 4 parts of organic thickener, 1 part of 2-mercaptobenzothiazole, benzimidazole 2 servings.

[0049] The total base number of the high base value calcium sulfonate is 400mgKOH / g.

[0050] The organic thickener is polyacrylamide.

[0051] Preparation:

[0052] (1) Take high alkali value calcium sulfonate, half of the amount of polyalkylcyclopentane, half of the amount of alkylbenzenesulfonic acid, calcium carbonate, and water as solvents, add them to the reaction kettle and heat to 80°C, and stir for 45 minutes;

[0053] (2) Take the remaining amount of polyalkylcyclopentane and alkylbenzenesulfonic acid, add it to the reaction kettle, heat up to 90°C, and heat and stir for 45min;

[0054] (3) Add 2-mercaptobenzothiazole and benzimidazole, and continue to stir for 45min;

[0055] (4) Add an organic thi...

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Abstract

The invention discloses antirust composite calcium sulfonate-based lubricating grease, which is mainly prepared from the following raw materials in parts by weight: 50 parts of high base number calcium sulfonate, 20 to 40 parts of polyalkyl cyclopentane, 5 to 15 parts of alkyl benzene sulfonic acid, 0.5 to 1.5 parts of calcium carbonate, 2 to 6 parts of organic thickening agents, 0.5 to 1.5 partsof 2-mercaptobenzothiazole and 1 to 3 parts of benzimidazole. Compared with the prior art, the antirust composite calcium sulfonate-based lubricating grease has the advantages that the raw material cost is low; the composition is reasonable; each performance of the obtained composite calcium sulfonate-based lubricating grease is balanced; most requirements can be met; more importantly, the antirust performance is obvious; some special requirements can be met.

Description

technical field [0001] The invention relates to a rust-proof composite calcium sulfonate-based lubricating grease and a preparation method thereof, belonging to the technical field of composite calcium sulfonate-based lubricating grease. Background technique [0002] Composite calcium sulfonate grease is a new type of grease. Compared with other high-temperature greases, it has comprehensive performance. It has excellent high-temperature performance, water resistance, extreme pressure and anti-wear performance, and anti-rust performance. Its pumping The performance can also meet the needs of centralized lubrication. The lubricating effect is obviously better than other lubricating greases under harsh conditions such as high temperature, excess water, and heavy loads. It is especially suitable for the lubrication of continuous casting machines in steel mills, continuous rolling mills and equipment under similar conditions, which is conducive to simplifying lubricating greases...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/06C10N30/12C10N50/10
CPCC10M169/044C10M2219/046C10N2030/52C10N2030/12C10N2030/06C10N2050/10C10N2010/04
Inventor 姜岭
Owner 江苏澳润新材料有限公司
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