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Nano titanium dioxide modified graphene oxide rolling liquid and preparation method thereof

A nano-titanium dioxide and titanium dioxide technology is applied in the field of lubricating cold-rolled steel sheets, and can solve the problems of difficulty in realizing the shear-slip effect of graphene oxide sheets, poor thermal stability of graphene oxide, affecting lubrication performance, etc. Avoid direct contact, enhance the effect of lubrication

Inactive Publication Date: 2020-05-19
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the thermal stability of graphene oxide is poor, and the oxygen-containing functional groups on its surface can easily form stable chemical bonds, which makes it difficult to realize the shear slip between graphene oxide sheets, thus affecting the effective performance of lubricating properties.

Method used

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  • Nano titanium dioxide modified graphene oxide rolling liquid and preparation method thereof
  • Nano titanium dioxide modified graphene oxide rolling liquid and preparation method thereof
  • Nano titanium dioxide modified graphene oxide rolling liquid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The specific components of the rolling liquid formula that embodiment 1 makes are as follows:

[0034] serial number components Mass / g 1 Oleic acid 0.5 2 Triethanolamine 0.5 3 glycerin 1.0 4 Water-based borate 1.0 5 TiO-modified graphene oxide 0.3 6 Deionized water 96.7

[0035] (1) Add 0.5 g of oleic acid, 0.5 g of triethanolamine, 1.0 g of glycerin, and 1.0 g of water-based borate into 96.7 g of deionized water to completely dissolve in order to obtain a base liquid. Every time an additive is added, it needs to be stirred for 20-30 minutes at a temperature of 50-60°C;

[0036] (2) Add 0.3 g of titanium dioxide-modified graphene oxide into the base liquid, stir and ultrasonically disperse to obtain a uniformly dispersed rolling liquid. The stirring time is 20-30 minutes, the temperature is 50-60°C, and the ultrasonic treatment is 40-50 minutes;

[0037] (3) Use triethanolamine to adjust the pH value of the r...

Embodiment 2

[0039] The specific components of the rolling liquid formula that embodiment 2 makes are as follows:

[0040] serial number components Mass / g 1 Oleic acid 0.5 2 Triethanolamine 0.5 3 glycerin 1.0 4 Water-based borate 1.0 5 TiO-modified graphene oxide 0.5 6 Deionized water 96.5

[0041] (1) Add 0.5 g of oleic acid, 0.5 g of triethanolamine, 1.0 g of glycerin, and 1.0 g of water-based borate into 96.5 g of deionized water in order to completely dissolve to obtain a base liquid. Every time an additive is added, it needs to be stirred for 20-30 minutes at a temperature of 50-60°C;

[0042] (2) Add 0.5 g of titanium dioxide-modified graphene oxide into the base liquid, stir and ultrasonically disperse to obtain a uniformly dispersed rolling liquid. The stirring time is 20-30 minutes, the temperature is 50-60°C, and the ultrasonic treatment is 40-50 minutes;

[0043] (3) Use triethanolamine to adjust the pH value of the r...

Embodiment 3

[0045] The specific components of the rolling liquid formula that embodiment 3 makes are as follows:

[0046] serial number components Mass / g 1 Oleic acid 0.5 2 Triethanolamine 0.5 3 glycerin 1.0 4 Water-based borate 1.0 5 TiO-modified graphene oxide 0.6 6 Deionized water 96.4

[0047] (1) Add 0.5g of oleic acid, 0.5g of triethanolamine, 1.0g of glycerin, and 1.0g of water-based boric acid ester into 96.4g of deionized water and dissolve completely to obtain the base liquid. Every time an additive is added, it needs to be stirred for 20-30 minutes at a temperature of 50-60°C;

[0048] (2) Add 0.6 g of titanium dioxide-modified graphene oxide into the base liquid, stir and ultrasonically disperse to obtain a uniformly dispersed rolling liquid. The stirring time is 20-30 minutes, the temperature is 50-60°C, and the ultrasonic treatment is 40-50 minutes;

[0049] (3) Use triethanolamine to adjust the pH value of the ro...

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Abstract

The invention relates to a nano titanium dioxide modified graphene oxide rolling liquid and a preparation method thereof. The rolling liquid is composed of nano titanium dioxide modified graphene oxide, oleic acid, triethanolamine, water-based borate, glycerin and deionized water. Oleic acid, triethanolamine, glycerol and water-based borate are sequentially added into deionized water, and are completely dissolved to obtain a primary solution; a graphene oxide-titanium dioxide nano composite material prepared by an improved solvothermal method is added into the primary solution, and ultrasonicdispersion is carried out by using an ultrasonic cell disruptor to avoid agglomeration or layering among nano particles, thereby obtaining the uniform and stable water-based nano rolling liquid. The nano titanium dioxide is used for modifying the graphene oxide, so that the tribology and the rolling lubricating property of the graphene oxide are enhanced while the dispersion stability of the graphene oxide is enhanced. Through deposition of the graphene oxide-titanium dioxide composite nanoparticles, a carbonaceous lubricating film and a carbonaceous protective film can be formed on the surface of the steel plate so as to obtain better rolled surface quality.

Description

technical field [0001] The invention belongs to the field of lubricating cold-rolled steel plates, and in particular relates to a nano-titanium dioxide-modified graphene oxide rolling fluid and a preparation method thereof. Background technique [0002] The friction and wear generated in the cold rolling process lead to energy consumption and equipment failure. The importance and necessity of lubrication is beyond doubt. Although the traditional rolling oil can basically meet the requirements of the production process, it is very easy to cause environmental pollution and is harmful to human health. Due to its excellent cooling performance, flame retardancy, low cost and low pollution, water-based rolling fluid is the main direction of current research on environmentally friendly high-performance rolling fluid. [0003] Graphene, as a new two-dimensional nanomaterial, has excellent thermal conductivity and friction resistance. The shear force between graphene sheets is smal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N30/06C10N40/24C10N30/02
CPCC10M173/00C10M2201/041C10M2201/062C10M2207/022C10M2207/126C10M2215/042C10M2227/061
Inventor 孙建林王成龙吴萍孟维新
Owner UNIV OF SCI & TECH BEIJING
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