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A composition for forming a thermally conductive lubricant

A technology of composition and lubricant, which is applied in the field of composition forming thermally conductive lubricants, can solve problems such as cumbersome preparation process, unsuitable for large-scale promotion, and poor economic benefits, so as to improve heat transfer coefficient, avoid corrosive damage, The effect of improving the service life

Active Publication Date: 2022-06-17
珠海格力新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if the heat-conducting lubricant prepared by this method meets the needs in terms of function, it is not suitable for large-scale promotion at least because of the cumbersome preparation process and poor economic benefits.

Method used

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  • A composition for forming a thermally conductive lubricant
  • A composition for forming a thermally conductive lubricant
  • A composition for forming a thermally conductive lubricant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] The raw materials used in the present embodiment and the proportions are as follows:

[0064] Dimethicone oil, 100 parts by weight; Silane coupling agent KH550, 1.65 parts by weight; Alumina, 300 parts by weight; Zinc oxide, 30 parts by weight; Zinc stearate, 20 parts by weight; Ethyl acetate, 5 parts by weight; Inorganic salt, 3 parts by weight; calcium zinc heat stabilizer, 2 parts by weight.

[0065] The process flow diagram of the present embodiment is as follows figure 1 As shown, the preparation method adopted is as follows:

[0066] 1) Use silane coupling agent KH550 to modify the dried thermally conductive filler powder (ie, aluminum oxide and zinc oxide), and the addition amount is 0.5% of the weight of the thermally conductive filler powder. KH550 was added to anhydrous ethanol with a weight of 25% of the thermally conductive filler powder, and the stirring was continued. After it was dissolved, the thermally conductive filler powder was added, and the stirr...

Embodiment 2

[0073] The raw materials used in the present embodiment and the proportions are as follows:

[0074] Dimethicone oil, 100 parts by weight; Silane coupling agent KH550, 1.8 parts by weight; Alumina, 320 parts by weight; Zinc oxide, 32 parts by weight; Zinc stearate, 21 parts by weight; Ethyl acetate, 5.5 parts by weight; Inorganic salt, 3.5 parts by weight; calcium zinc heat stabilizer, 2.5 parts by weight.

[0075] The preparation method adopted in this example is the same as that in Example 1.

[0076] The prepared thermally conductive lubricant was tested, and the results showed that the thermal conductivity of the thermally conductive lubricant could reach 0.98W / m·K; the rolling friction coefficient of the thermally conductive lubricant was 0.06%.

Embodiment 3

[0078] The raw materials used in the present embodiment and the proportions are as follows:

[0079] Dimethicone oil, 100 parts by weight; Silane coupling agent KH550, 1.5 parts by weight; Alumina, 280 parts by weight; Zinc oxide, 28 parts by weight; Zinc stearate, 19 parts by weight; Ethyl acetate, 4.5 parts by weight; Inorganic salt, 2.5 parts by weight; calcium zinc heat stabilizer, 1.5 parts by weight.

[0080] The preparation method adopted in this example is the same as that in Example 1.

[0081] The prepared thermally conductive lubricant was tested, and the results showed that the thermal conductivity of the thermally conductive lubricant could reach 0.96W / m·K; the rolling friction coefficient of the thermally conductive lubricant was 0.08%.

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Abstract

The invention provides a composition for forming a heat-conducting lubricant, which or its raw materials include the following components in parts by weight: 100 parts of dimethyl silicone oil; 200-400 parts of aluminum oxide; 10-50 parts of zinc oxide 5-45 parts of lubricant; 1-10 parts of anti-settling agent; 0.1-10 parts of inorganic salt; 0.1-10 parts of thermal stabilizer; 0.01-5 parts of silane coupling agent; One or more of zinc, calcium stearate, paraffin oil, naphthenic oil and silicone; the anti-settling agent includes one of ethyl acetate, butyl acetate, xylene, n-hexane and butanol or more; the inorganic salt is selected from one or more of nitrite and sulfite. The present invention optimizes the formulation so that the provided composition can be used to prepare the heat-conducting lubricant more conveniently, and the formed heat-conducting lubricant has both excellent heat-conducting performance and lubricating performance.

Description

technical field [0001] The present invention relates to the technical field of lubricants, in particular to a composition for forming a thermally conductive lubricant. Background technique [0002] The temperature rise and temperature distribution of high-speed rolling bearings will directly affect the working performance and service life of the bearing system. The increase in the rotational speed of the rolling bearing will lead to an increase in the frictional heat generation of the bearing. If the heat is not dissipated in a timely and effective manner, the internal temperature of the bearing will be too high, which will cause the surface of the internal parts of the bearing to be burnt or even glued and seized and prematurely scrapped. [0003] Therefore, it is necessary to develop a multi-functional thermally conductive silicone grease mixture, which has both lubricating functions and heat transfer functions. The application of this thermally conductive grease in the be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/00C10M177/00C10N30/06C10N40/02
CPCC10M169/00C10M177/00C10M2201/062C10M2201/083C10M2207/126C10M2207/281C10M2227/04C10M2229/041
Inventor 郑婷婷王玉王琳李勉彭楚堂夏思禹
Owner 珠海格力新材料有限公司
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