Universal lithium base grease and preparation method thereof

A lithium-based grease and a cycloalkyl technology are applied in the field of general-purpose lithium-based grease and its preparation, which can solve the problems of unsuitable mixed use of greases, poor anti-wear performance of lithium-based grease, and small operating temperature range, and avoid the problem of Mechanical failure of grease handling, improved water resistance, effect of improved water resistance

Inactive Publication Date: 2010-11-10
濮阳市航天化工有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] General-purpose lithium-based grease is suitable for the lubrication of rolling and sliding friction parts of various mechanical equipment in the temperature range of -20 to 120°C. At present, the domestically produced grease has the following major disadvantages: Lithium-based grease has long-term disadvantages of poor anti-wear p

Method used

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Examples

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Effect test

Embodiment Construction

[0033] The preparation steps of general-purpose lithium base lubricating grease,

[0034] 1) Put 2868kg of naphthenic 150BS base oil into the reactor and keep the temperature of the reactor at 260°C.

[0035] 2), drop into 480kg dodecyl hydroxystearic acid, 40kg calcium hydroxide, 40kg lithium hydroxide, 440kg stearic acid, 60kg307 extreme pressure anti-wear agent, 60kg202 anti-oxygen and anti-corrosion agent in the reactor, the autoclave is fully heated, Heat to 280°C, keep the temperature, and saponify for 70 minutes to obtain soap liquid;

[0036] 3) Pour the soap liquid and 12kg of pigment into the blending kettle completely, start the blending kettle to stir and open the circulation, and fully stir to obtain the finished product.

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Abstract

The invention relates to universal lithium base grease and a preparation method thereof. The universal lithium base grease comprises the following components in proportion by weight: 70%-80% of naphthenic base 150 BS base oil, 10%-15% of 12-hydroxy stearic acid, 10%-15% of stearic acid, 1%-1.5% of lithium hydroxide, 1%-2% of calcium hydroxide, 1.5% of 405 EP antiwear additive, 1.5% of 202 antioxidant and 0.3% of pigment. The lithium base grease of the invention has high temperature resistance and wear resistance, can not bleed in a long-term storage environment, can not have structural change because of long-term storage or temperature, and greatly improves the service life of the product; the water resistance of the product is improved; the service temperature range is increased compared with the similar products; the impurity number of the finished product is strictly controlled in the national specialized range; and the mechanical failure of the grease operation caused by the grease problem is avoided.

Description

technical field [0001] The invention relates to a general-purpose lithium-based lubricating grease and a preparation method thereof. Background technique [0002] General-purpose lithium-based grease is suitable for the lubrication of rolling and sliding friction parts of various mechanical equipment in the temperature range of -20 to 120°C. At present, the domestically produced grease has the following major disadvantages: Lithium-based grease has long-term disadvantages of poor anti-wear performance , and should not be mixed with other lubricating greases, storage is easy to oil separation, inferior products due to excessive impurities cause grease operation mechanical blockage, small operating temperature range, poor water resistance, can no longer meet the increasingly stringent requirements of modern industry. Contents of the invention [0003] The object of the present invention is to solve the above problems and provide a general-purpose lithium-based grease with hi...

Claims

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Application Information

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IPC IPC(8): C10M169/00C10M177/00C10N30/06C10N50/10C10N30/10
Inventor 王炜王晓光陈德岭和守江
Owner 濮阳市航天化工有限公司
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