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Vegetable oil-based environmentally-friendly metal cutting fluid and preparation method thereof

A metal cutting fluid and vegetable oil-based technology, applied in the field of metal cutting fluid, can solve the problems of poor cooling and cleaning capabilities, poor anti-rust and anti-corrosion performance, insufficient anti-extreme pressure performance, etc., to improve anti-wear and anti-friction performance And the effect of anti-rust performance, improved anti-rust performance and good anti-wear performance

Inactive Publication Date: 2019-02-01
五河富强鑫金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The water-based cutting fluid (emulsion) based on mineral oil has the best lubricity and excellent stability, but its cooling ability and cleaning ability are obviously inferior. At the same time, because of the existence of mineral oil, it cannot be emissions, which pollute the environment and cause serious harm to the health of workers
Furthermore, in the actual application of metal cutting fluid, the damage to the tool during the machining process is often caused by insufficient extreme pressure resistance, poor lubricity, anti-rust and anti-corrosion performance, resulting in a greatly shortened life span

Method used

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  • Vegetable oil-based environmentally-friendly metal cutting fluid and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0019] A vegetable oil-based environment-friendly metal cutting fluid is characterized in that it is made of the following raw materials in parts by weight:

[0020] Nano cubic boron nitride 5, sodium dodecylbenzene sulfonate 2, octadecylamine 4, polyaniline 20, soybean oil 40, castor oil 10, coconut oil 5, anionic surfactant 3, aqueous dispersion 30.

[0021] Further, its preparation method comprises the following steps:

[0022] (1) The nano-cubic boron nitride is subjected to the following pretreatment: place it at -30°C and 2MPa for 4 hours, then take it out and perform ball milling. After forward ball milling at 120°C for 20 minutes, reverse ball milling at -20°C for 40 minutes. Then place it at 100°C for 1 hour, then place it in an ethanol solution 30 times its volume, ultrasonically disperse at 50°C for 20 minutes, filter, and dry at 80°C;

[0023] (2) Add the product obtained in step (1) to 50 times its volume of deionized water, then add sodium dodecylbenzenesulfonat...

Embodiment 2

[0030] A vegetable oil-based environment-friendly metal cutting fluid is characterized in that it is made of the following raw materials in parts by weight:

[0031] Nano cubic boron nitride 10, sodium dodecylbenzene sulfonate 3, octadecylamine 5, polyaniline 22, soybean oil 50, castor oil 13, coconut oil 7, anionic surfactant 5, aqueous dispersion 40.

[0032] Further, its preparation method comprises the following steps:

[0033] (1) The nano-cubic boron nitride is subjected to the following pretreatment: place it at -32°C and 2.2MPa for 4 hours, then take it out and perform ball milling. After forward ball milling at 122°C for 25 minutes, reverse ball milling at -23°C for 45 minutes , and then placed at 102°C for 2 hours, then placed in 40 times its volume of ethanol solution, ultrasonically dispersed at 55°C for 25 minutes, filtered, and dried at 90°C;

[0034] (2) Add the product obtained in step (1) to 70 times the volume of deionized water, then add sodium dodecylbenze...

Embodiment 3

[0041] A vegetable oil-based environment-friendly metal cutting fluid is characterized in that it is made of the following raw materials in parts by weight:

[0042] Nano cubic boron nitride 15, sodium dodecylbenzene sulfonate 3, octadecylamine 7, polyaniline 25, soybean oil 60, castor oil 15, coconut oil 10, anionic surfactant 6, aqueous dispersion 60.

[0043] Further, its preparation method comprises the following steps:

[0044](1) The nano-cubic boron nitride is subjected to the following pretreatment: place it at -35°C and 2.6MPa for 5 hours, then take it out and perform ball milling. After forward ball milling at 125°C for 30 minutes, reverse ball milling at -25°C for 50 minutes , and then placed at 105°C for 2 hours, then placed in 50 times its volume of ethanol solution, ultrasonically dispersed at 60°C for 30 minutes, filtered, and dried at 100°C;

[0045] (2) Add the product obtained in step (1) to 100 times the volume of deionized water, then add sodium dodecylben...

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Abstract

The invention discloses a vegetable oil-based environmentally-friendly metal cutting fluid and a preparation method thereof. The prepared metal cutting fluid has a low tapping torque value, good lubricating performances, excellent wear resistance, the anti-rust performance of A level, significantly improved dispersion performances and excellent product performances. Nano-cubic boron nitride is pretreated and the surface sites are fully activated so that the surface is rich in active groups such as hydroxyl groups for later adsorption and grafting of octadecylamine on its surface. The nano-cubic boron nitride is modified through octadecylamineso that a lot of octadecylamine long chain structures are connected to the surface through hydrogen bonds or chemical bonds and thus the compatibilityand dispersibility of nano-cubic boron nitride and vegetable oil base are improved, agglomeration and sedimentation are difficult and the performances are kept for a long time. The boron nitride-octadecylamine improves the anti-wear and anti-friction properties and anti-rust properties of the desired cutting fluid.

Description

technical field [0001] The invention belongs to the technical field of metal cutting fluid, in particular to a vegetable oil-based environment-friendly metal cutting fluid and a preparation method thereof. Background technique [0002] In the processing and manufacturing industry, metal cutting fluid is an important equipment material. It mainly plays four roles of cooling, lubrication, cleaning and rust prevention. It is used to cool tools and knives, and at the same time provide lubricating industrial liquid for knives. At present, metal cutting fluid has been widely used in all aspects of modern metal cutting processing, and has become an indispensable material in the process of machining and manufacturing. [0003] The water-based cutting fluid (emulsion) based on mineral oil has the best lubricity and excellent stability, but its cooling ability and cleaning ability are obviously inferior. At the same time, because of the existence of mineral oil, it cannot be emission...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N30/06C10N30/12C10N40/22
CPCC10M173/00C10M2201/061C10M2201/08C10M2207/401C10M2207/402C10M2209/12C10M2215/04C10M2215/042C10M2215/102C10M2217/046C10M2219/044C10N2030/06C10N2030/12C10N2030/64C10N2040/22C10N2010/02
Inventor 聂志强
Owner 五河富强鑫金属制品有限公司
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