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High washing property cutting fluid

A cleaning and cutting fluid technology, applied in the field of lubricating oil, can solve problems such as poor cleaning, and achieve the effects of good lubricity, no bad smell and long service life

Inactive Publication Date: 2018-01-19
江苏捷达油品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, compared with oil-based cutting fluids, most water-based synthetic cutting fluids on the market have better cooling performance and poor cleaning performance. How to improve the cleaning performance of water-based cutting fluids is a technical problem to be solved urgently by those skilled in the art.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The preparation method of the high-cleaning cutting fluid of this embodiment is to add 755 kg of water into the reaction kettle, then add 80 kg of boric acid and 5 kg of sodium hydroxide, heat up to 90 ° C, keep stirring for 30 minutes, and then add 40 kg of triethanolamine and 40kg of ethanolamine, heat and stir for 3 hours, add 8kg of Span-80 after the liquid is transparent, stir for 30 minutes, control the temperature at 70°C to 75°C, add 2kg of tetrazole, 30kg of sodium carbonate, 20kg of borax and 20kg Coconut oil fatty acid diethanolamide, continue to stir for 30 minutes to get a high-cleaning cutting fluid. The measured surface tension was 19.8 mN / m.

Embodiment 2

[0015] The preparation method of the high-cleaning cutting fluid of this embodiment is to add 767 kg of water into the reaction kettle, then add 70 kg of boric acid and 4 kg of sodium hydroxide, heat up to 90 ° C, keep stirring for 30 minutes, and then add 35 kg of triethanolamine and 35kg of ethanolamine, heat preservation and stirring for 3 hours, after the liquid is transparent, add 10kg of OP-10, stir for 30 minutes, control the temperature at 70°C, add 1kg of tetrazolium, 35kg of sodium carbonate, 25kg of borax and 18kg of coconut oil Fatty acid diethanolamide, continue to stir for 30 minutes to get a high-cleaning cutting fluid. The measured surface tension was 20.5 mN / m.

Embodiment 3

[0017] The preparation method of the high-cleaning cutting fluid of this embodiment is to add 753 kg of water into the reaction kettle, then add 90 kg of boric acid and 7 kg of sodium hydroxide, heat up to 90 ° C, keep stirring for 30 minutes, and then add 45 kg of triethanolamine and 45kg of ethanolamine, heat preservation and stirring for 3 hours, after the liquid is transparent, add 3kg of OP-10 and 3kg of Span-80, stir for 30 minutes, and add 3kg of tetrazole, 25kg of sodium carbonate, 18kg of Borax and 22kg of coconut oil fatty acid diethanolamide, continue stirring for 30 minutes to obtain a high-cleaning cutting fluid. The measured surface tension was 20.9 mN / m.

[0018] The chemical raw materials used in the present invention are purchased from outside, and the concentration is chemically pure.

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Abstract

The invention relates to a high washing property cutting fluid, which comprises, by mass, 10-20% of an antirust lubricating additive, 0.5-1.5% of a nonionic surfactant, 0.1-0.5% of tetrazole, 2-4% ofsodium carbonate, 1-3% of borax, 1-5% of coconut oil fatty acid diethanolamide, and the balance of water, wherein the antirust lubricating additive is formed by carrying out a reaction on 35-45 partsby mass of boric acid, 15-25 parts by mass of triethanolamine, 15-25 parts by mass of ethanolamine, and 3-8 parts by mass of sodium hydroxide. The high washing property cutting fluid of the present invention has the excellent washing performance.

Description

technical field [0001] The invention relates to a cutting fluid and a preparation method thereof, belonging to the technical field of lubricating oil. Background technique [0002] Cutting fluid is an industrial liquid used for cooling and lubricating cutting tools and workpieces in the process of metal cutting, cutting and grinding. And easy to dilute and so on. With the enhancement of environmental protection awareness, people have taken the oil-free water-based synthetic cutting fluid as an important research direction for the development of cutting fluid. Water-based synthetic cutting fluid overcomes the shortcomings of traditional soap-based emulsions, which are easy to smell in summer, difficult to dilute in winter, and poor in anti-rust effect, and has no adverse effect on lathe paint. It is suitable for cutting and grinding of ferrous metals and has good cooling , cleaning, anti-rust and other characteristics, and has the characteristics of non-toxic, odorless, non...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/02C10M177/00C10N30/04C10N30/06C10N30/12C10N40/22
Inventor 范本新陶洪南张月亮
Owner 江苏捷达油品有限公司