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Composite calcium-sulfonate-base lubricating grease and preparation method thereof

A technology of compound calcium sulfonate and lubricating grease, applied in lubricating compositions, petroleum industry, etc., can solve the problems of low conversion rate, long reaction time, high energy consumption, etc., achieve low input cost, reduce energy consumption, and excellent performance Effect

Active Publication Date: 2013-05-29
新疆金雪驰科技股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a kind of compound calcium sulfonate base lubricating grease and preparation method thereof, has overcome above-mentioned deficiencies in the prior art, and it can effectively solve existing production method of compound calcium sulfonate base lubricating grease to be restricted, reaction time is long, Problems of high energy consumption and low conversion rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019]Embodiment 1, this composite calcium sulfonate base lubricating grease is obtained by following preparation method: the first step, the raw material is counted by weight fraction, respectively weighs the high alkali value petroleum sulfonic acid of total alkali value 200mgKOH / g to 400mgKOH / g 20 to 30 parts of calcium, 44 to 55 parts of high viscosity index base oil with a viscosity index of 90 to 120, 2 to 5 parts of lauryl stearic acid, 2 to 5 parts of calcium hydroxide, 2 to 5 parts of acetic acid 5 parts, 3 parts to 6 parts of boric acid, 10 parts to 20 parts of water; the second step, after mixing the high alkali value petroleum calcium sulfonate and acetic acid, adding the weight to it is 0.1% of the total weight of raw materials in the first step The water is then reacted for 40 minutes to 60 minutes at a stirring rate of 60 to 100 rpm and a temperature of 90 to 100 degrees Celsius. After the reaction is completed, continue to heat to 110 degrees Celsius for dehydra...

Embodiment 2

[0020] Embodiment 2, this composite calcium sulfonate base lubricating grease obtains by following preparation method: the first step, raw material counts by weight fraction, weighs respectively the high alkali value petroleum sulfonic acid of total alkali value 200mgKOH / g to 400mgKOH / g 20 to 30 parts of calcium, 44 to 55 parts of high viscosity index base oil with a viscosity index of 90 to 120, 2 or 5 parts of lauryl stearic acid, 2 or 5 parts of calcium hydroxide, 2 or 5 parts of acetic acid 5 parts, 3 parts or 6 parts of boric acid, 10 parts or 20 parts of water; in the second step, after mixing the high-alkali calcium petroleum sulfonate and acetic acid, the weight added thereto is 0.1% of the total weight of raw materials in the first step The water is then reacted for 40 minutes or 60 minutes at a stirring rate of 60 rpm or 100 rpm and a temperature of 90 degrees Celsius or 100 degrees Celsius. After the reaction is completed, continue to heat to 110 degrees Celsius for ...

Embodiment 3

[0021] Embodiment 3, as the preferred embodiment of the above, the high viscosity index base oil used in the first step, the sixth step and the seventh step is a mixture of highly refined mineral oil and synthetic oil whose model is 150BS or 150N highly refined mineral oil and synthetic oil mixture or 200N highly refined mineral oil and synthetic oil mixture or PAO series synthetic oil.

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PUM

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Abstract

The invention relates to the technical field of a composite calcium-sulfonate-base grease and preparation thereof, particularly a composite calcium-sulfonate-base lubricating grease and a preparation method thereof. The preparation method of the composite calcium-sulfonate-base lubricating grease comprises the following step: 1. respectively weighing 20-30 parts by weight of high-base-number petroleum calcium sulfonate with the total base number of 200-400 mg KOH / g, and 44-55 parts by weight of high-viscosity-index base oil with the viscosity index of 90-120. The invention has the advantages of simple technique, accessible raw materials and safe working environment, is convenient for operation, and effectively lowers the energy consumption; the product obtained by the method provided by the invention has excellent properties, and can satisfy the product index requirements without adding any additive, and thus, the production input cost of the product is lower than that of any other high temperature grease; no harmful substance is generated in the product production and use process, so the composite calcium-sulfonate-base grease is harmless to the human body; and the composite calcium-sulfonate-base grease can be recycled and reutilized to maximize the use of energy sources, thereby completely satisfying the requirements of energy saving and environmental protection.

Description

technical field [0001] The invention relates to the technical field of composite calcium sulfonate-based grease and its preparation, and relates to a composite calcium sulfonate-based grease and a preparation method thereof. Background technique [0002] Composite calcium sulfonate-based grease is a new type of high-efficiency grease product. It is a kind of lubricating grease product with excellent performance, which is made of high alkali value sulfonate calcium soap, fatty acid calcium soap and inorganic calcium salt compound thickened base oil. However, there are still the following problems: [0003] 1. The thickening ability of the high base value thickener to the base oil and the performance of other additives restrict each other. Compatibility with base oil and compatibility of thickener and additives should be considered during production; [0004] 2. The normal pressure reaction temperature is above 100 degrees, the reaction time is long, and the energy consum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/00C10M177/00C10N30/06C10N30/12
Inventor 曹向前杨宗泉曲冬冬
Owner 新疆金雪驰科技股份有限公司
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