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Thermal insulation and wear resistance modification method of lubricating oil

A lubricating oil and modification technology, applied in the field of lubricating oil, can solve problems such as difficult performance, poor thermal insulation performance, poor wear resistance, etc., to reduce friction coefficient, good thermal insulation performance, reduce adhesion and peeling layer effect

Inactive Publication Date: 2020-02-04
MAANSHAN SANCHUAN MACHINERY MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, graphene sheets do not contain other active functional groups, and there is a strong van der Waals force between the sheets, so it is easy to superimpose, making it difficult to exert its excellent performance.
[0004] Most commercially available lubricating oils have the defects of poor thermal insulation performance and poor wear resistance. The present invention provides a method for modifying lubricating oil for heat insulation and wear resistance. The lubricating oil prepared according to the method provided by the present invention has excellent thermal insulation properties. Thermal insulation performance and wear resistance

Method used

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  • Thermal insulation and wear resistance modification method of lubricating oil

Examples

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Embodiment 1

[0030] A heat-insulating and wear-resistant modification method for lubricating oil, characterized in that it comprises the following steps, and the following raw materials are calculated in parts by weight:

[0031] (1) Insulation components:

[0032] Put 9 parts of pretreated aluminum silicate fiber into the mold, apply pressure to remove the air, add 4 parts of silica sol to mix, stand at 60°C to form a gel, replace water and alcohol with n-hexane solution, and then add 1 part of trimethylchlorosilane aqueous solution is subjected to hydrophobic treatment for 1 hour to obtain a composite thermal insulation component of aluminum silicate fiber-silica gel;

[0033] Among them, the pretreatment method of aluminum silicate fibers: soak 9 parts of aluminum silicate fibers in 0.01mol / L hydrochloric acid, and after ultrasonic cleaning for 30 minutes, add 1 part of KH550 aqueous solution with a mass fraction of 1% to carry out surface modification. Sexual treatment to obtain pretr...

Embodiment 2

[0042] A heat-insulating and wear-resistant modification method for lubricating oil, characterized in that it comprises the following steps, and the following raw materials are calculated in parts by weight:

[0043] (1) Insulation components:

[0044] Put 11 parts of pretreated aluminum silicate fiber into the mold, apply pressure to remove air, add 6 parts of silica sol and mix, stand at 65°C to form a gel, replace water and alcohol with n-hexane solution, and then add 2 parts of trimethylchlorosilane aqueous solution were subjected to hydrophobic treatment for 2 hours to obtain a composite thermal insulation component of aluminum silicate fiber-silica gel;

[0045] Among them, the pretreatment method of aluminum silicate fibers: soak 11 parts of aluminum silicate fibers in 0.01mol / L hydrochloric acid, and after ultrasonic vibration cleaning for 40 minutes, add 2 parts of KH550 aqueous solution with a mass fraction of 1% to carry out surface modification. Sexual treatment t...

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Abstract

The invention discloses a thermal insulation and wear resistance modification method of lubricating oil. The thermal insulation and wear resistance modification method of the lubricating oil comprisesthe following steps: placing aluminium silicate fibers subjected to pretreatment into a mould, conducting pressing to eliminate air, adding silicon dioxide sol for mixing, standing to form gel, displacing water and alcohol with a n-hexane solution, then adding a trimethylchlorosilane aqueous solution, and conducting hydrophobic treatment to obtain an aluminium silicate fiber-silicon dioxide gel compounded thermal-insulation component; adjusting a pH value of ethanol water by means of acetic acid, adding a silane coupling agent, conducting magnetic stirring and prehydrolysis, then adding potassium hexatitanate whiskers for even mixing, after ultrasonic dispersion is conducted, standing, and conducting vacuumizing and drying to obtain a wear-resistant component, namely, surface-modified potassium hexatitanate whiskers; and adding organosilane-modified graphite oxide into liquid paraffin, then adding the aluminium silicate fiber-silicon dioxide gel compounded thermal-insulation componentand the wear-resistant component, namely the surface-modified potassium hexatitanate whiskers, and conducting even ultrasonic dispersion to produce the lubricating oil subjected to thermal insulationand wear resistance modification.

Description

technical field [0001] The invention belongs to the field of lubricating oil, and in particular relates to a heat-insulating and wear-resistant modification method of lubricating oil. Background technique [0002] Lubricants are made from a blend of base oils and additives, about 95 percent of which are mineral oils derived from petroleum. Mineral lubricants have poor biodegradability, and if they are lost in the environment, they will directly pollute the soil. 1kg of petroleum-based lubricants can pollute 1,000,000L of water. At the same time, due to the decreasing and non-renewable nature of mineral oil, it is imperative to develop environmentally friendly lubricants. Vegetable oil-based lubricants, called "bio-lubricants", are biodegradable, renewable, and non-toxic, and, in addition, have various performance advantages, such as good lubricity, high viscosity index, high flash point, etc. However, vegetable oil base oils have poor oxidation stability, which is due to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M125/00C10M125/26C10M125/02C10M177/00C10N30/06C10N30/04
CPCC10M125/00C10M125/02C10M125/26C10M177/00C10M2201/041C10M2201/08C10M2201/102C10M2201/105C10M2201/14C10M2205/163
Inventor 李孙德
Owner MAANSHAN SANCHUAN MACHINERY MFG CO LTD
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