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Microencapsulated lubricating oil, lubricating oil coating material and preparation method of microencapsulated lubricating oil

A technology of microencapsulation and coating materials, applied in the directions of microcapsule preparation, microsphere preparation, lubricating composition, etc. The effect of excellent grinding performance, convenient storage, excellent stability and friction and wear performance

Active Publication Date: 2014-11-12
TAIZHOU JIADI NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to many defects in the use of lubricating oil, when the lubricating oil on the surface of the workpiece is squeezed during the movement, the workpieces are often in a boundary lubrication state, which not only causes waste but also pollutes the surrounding environment. Affected; In addition, liquid lubricating oil is inconvenient in transportation, packaging and storage

Method used

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  • Microencapsulated lubricating oil, lubricating oil coating material and preparation method of microencapsulated lubricating oil
  • Microencapsulated lubricating oil, lubricating oil coating material and preparation method of microencapsulated lubricating oil

Examples

Experimental program
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Effect test

Embodiment 1

[0029] (1) Mix 0.8kg 100# engine oil, 1.5kg compound emulsifier (0.675kg span 80 and 0.825kg tween 20) evenly, add 211 drop by drop at 80°C, stir at 300r / min for 10min, then put the remaining 4kg of PVA2wt% aqueous solution was added dropwise, and the rotation speed was increased to 500r / min for emulsification, while stirring, 0.1kg of NaCl was added, and stirred for 30 min to obtain an emulsion;

[0030] (2) Slowly add 0.8kg of tetraethyl orthosilicate and 0.02kg of 10.0wt% acetic acid solution into the emulsion in step 1, and stir at 300r / min for 3h at 55°C;

[0031] (3) Add 0.002 kg of ammonium persulfate to the product in step 2, adjust the temperature of the system to 75°C, keep it for 5 hours, centrifuge the obtained microcapsules, wash them with absolute ethanol, and dry them in an oven at 55°C for 24 hours to obtain Microencapsulated lubricant.

Embodiment 2

[0033] (1) Mix 0.8kg 220# worm gear oil and 1.5kg compound emulsifier (0.675kg span 80 and 0.825kg tween 20) evenly, add 1kgPVA2wt% aqueous solution drop by drop at 85°C, and stir at 300r / min for 10min Finally, add the PVA2wt% aqueous solution of remaining 4kg dropwise, and increase the rotating speed to 500r / min for emulsification, add NaCl0.1kg while stirring, and stir for 30 min to obtain the emulsion;

[0034] (2) Slowly add 0.8kg of tetraethyl orthosilicate and 0.02kg of 10.0wt% acetic acid solution into the emulsion in step 1, and stir at 300r / min for 3h at 55°C;

[0035] (3) Add 0.002 kg of ammonium persulfate to the product in step 2, adjust the temperature of the system to 75°C, keep it for 5 hours, centrifuge the obtained microcapsules, wash them with absolute ethanol, and dry them in an oven at 55°C for 24 hours to obtain Microencapsulated lubricant.

Embodiment 3

[0037] (1) Mix 0.8kg 68# rail oil, 1.5kg compound emulsifier (0.675kg span 80 and 0.825kg tween 20) evenly, at 85°C, add 1kgPVA2wt% aqueous solution drop by drop, stir at 300r / min for 10min , add the remaining 4kg of PVA2wt% aqueous solution dropwise, and increase the rotating speed to 500r / min for emulsification, add NaCl0.1kg while stirring, and stir for 30 min to obtain the emulsion;

[0038] (2) Slowly add 0.8kg of tetraethyl orthosilicate and 0.02kg of 10.0wt% acetic acid solution into the emulsion in step 1, and stir at 300r / min for 3h at 55°C;

[0039] (3) Add 0.002 kg of potassium persulfate to the product in step 2, adjust the temperature of the system to 75°C, keep it for 5 hours, centrifuge the obtained microcapsules, wash them with absolute ethanol, and dry them in an oven at 55°C for 24 hours to obtain Microencapsulated lubricant.

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Abstract

The invention discloses microencapsulated lubricating oil. The microencapsulated lubricating oil is obtained through the following steps that lubricating oil and mixed emulsifiers are mixed evenly according to the mass ratio of 16:3; a part of a PVA water solution is poured into the mixture at the temperature ranging from 80 DEG C to 85 DEG C; the remaining PVA water solution is added into the mixture after the mixture is stirred for 10 minutes; the mixture is subjected to emulsification; NaCl is added into the mixture in the stirring process, the mixture is stirred for 30 minutes, and then an emulsion is obtained; an tetraethyl orthosilicate and acetic acid solution is slowly added into the emulsion and stirred for 3 hours at the temperature of 55 DEG C; initiating agents are added into the emulsion, the emulsion is heated for 5 hours at the temperature of 75 DEG C, subjected to centrifugal separation, washed and dried, and finally the microencapsulated lubricating oil is obtained. A lubricating oil coating material is excellent in performance and capable of being widely applied to high-load and high-temperature mechanical friction parts and components needing to be properly protected in aerospace, machinery, electronics, chemical industry, ships and other industrial sectors.

Description

technical field [0001] The invention belongs to the technical field of microencapsulated lubricating oil, in particular to a microencapsulated lubricating oil, a lubricating oil coating material and a preparation method thereof. Background technique [0002] Microcapsule lubricating coating technology is a technology that firmly bonds microencapsulated lubricating oil, wear-resistant additives and other fillers to the friction surface of the moving pair with the help of a binder to lubricate, reduce and protect against wear. It is applied to the friction surface by spraying, brushing, dipping, etc. to solidify and form a film. The formed film material is called microcapsule lubricating film. [0003] Lubricating oil is generally a non-volatile oily lubricant, which can be used on various types of machinery to reduce friction, protect machinery and processed parts as a liquid lubricant, and have excellent performances such as lubrication, cooling, rust prevention, cleaning, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04B01J13/02C10N30/06C10N30/08C10N70/00
Inventor 乔红斌章俊强张玉珍
Owner TAIZHOU JIADI NEW MATERIAL
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