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Biologically stable degradable type aqueous metallic cutting fluid and preparation method thereof

A metal cutting fluid, biological stabilization technology, applied in lubricating compositions, petroleum industry, etc., can solve the problems of operator's physical harm, biological non-degradation, environmental pollution, etc., to improve the working environment, improve market competitiveness, and maintain cleanliness Effect

Active Publication Date: 2011-11-16
KUSN XINYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Emulsion is a kind of water-based cutting fluid, but with the extension of use time, the emulsion will have odor, and it cannot be biodegraded, which will pollute the environment and be harmful to the operator's body

Method used

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  • Biologically stable degradable type aqueous metallic cutting fluid and preparation method thereof

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Embodiment Construction

[0030] The formula of each embodiment of the present invention sees the following table 1:

[0031] Table 1 (unit: weight percent %)

[0032]

[0033] According to above-mentioned prescription, preparation method of the present invention is as follows:

[0034] A preparation method of biostable and degradable water-based metal cutting fluid, carried out according to the following steps:

[0035] ①. Add base oil, benzotriazole and anti-corrosion additives to the container, heat and stir until transparent, control the heating temperature at 45-55°C, and stir for 5-15 minutes;

[0036] ②. Add ricinoleic acid, triethanolamine and dodecanoic acid, heat and stir until transparent, control the heating temperature at 70-80°C, and stir for 10-20 minutes;

[0037] ③. Stop heating, add chlorine-containing extreme pressure additive and water, and stir until transparent. The temperature of the whole step ③ is controlled at 55-65°C, and the stirring time is 5-15 minutes;

[0038] ④. A...

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Abstract

The invention discloses a biologically stable degradable type aqueous metallic cutting fluid and a preparation method thereof. The biologically stable degradable type aqueous metallic cutting fluid is prepared through mixing and stirring the following raw materials, by the total weight, 44.0-65.0 wt% of base oil, 0.3-1.0 wt% of benzotriazole, 0.2-1.0 wt% of an anticorrosion additive, 2.0-5.0 wt% of ricinoleic acid, 6.0-7.0 wt% of triethanolamine, 8.0-11.0 wt% of lauric acid, 3.0-5.0 wt% of a chlorinated extreme-pressure additive, 10.0-15.0 wt% of water, 5.0-10.0 wt% of a surfactant, and 0.5-1.0 wt% of a bactericide in a certain sequence at a specific temperature. The preparation method which has the characteristics of simplicity and low cost not only can satisfy cooling performances in processing processes and has protective effects on workpieces, but also has no harm to the physical health of operators because of the stability in use, and has no pollution to the environment because natural degradable raw materials which are adopted can be biodegraded as time goes on after being used.

Description

technical field [0001] The invention relates to a metal cutting fluid and a preparation method thereof, in particular to an aqueous metal cutting fluid and a preparation method thereof. Background technique [0002] Cutting oil, also known as cutting fluid, is an industrial liquid used to cool and lubricate tools and workpieces during metal cutting, cutting, and grinding. Cutting fluids generally have lubricating, cooling, cleaning, and antirust properties Function. Cutting fluids can generally be divided into two categories: oil-based (non-water-soluble) and water-based (water-soluble). The earliest people used animal and vegetable oils as cutting fluids, but animal and vegetable oils are perishable and have a short service life; at the beginning of the 20th century, people began to refine lubricating oil from crude oil, and invented various lubricating additives with excellent performance; after the First World War , people begin to study and use the composite oil of min...

Claims

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Application Information

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IPC IPC(8): C10M173/02C10N40/22
Inventor 李昌在
Owner KUSN XINYU CHEM