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A kind of preparation method of the environment-friendly tapping fluid of automobile air-conditioning filter cover plate and environment-friendly tapping fluid

A filter cover, automotive air conditioner technology, applied in lubricating compositions, petroleum industry and other directions, can solve problems such as affecting human health, corroding machine tool taps, difficult discharge, etc., achieving excellent comprehensive use performance, prolonging service life, and reducing waste. The effect of liquid discharge

Active Publication Date: 2021-08-10
广州市方川润滑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of tapping fluid in the prior art with water as the dispersion medium has poor lubricity and rust resistance, and some products also have disadvantages such as not being environmentally friendly and affecting human health.
For example, some products add (C10-C13) short-chain chlorinated paraffins and sodium nitrite to increase lubricity and rust resistance. Chlorinated paraffins have better lubricity, but due to the unstable pH value of such substances, use A large amount of free chlorine will be produced during the process, which will corrode the machine tool taps, and it is easy to decompose during the processing process. The released hydrogen chloride gas will have a certain impact on the liver and kidneys of the human body. Although sodium nitrite has good rust resistance, but is actually a potential carcinogen
[0005] To sum up, the common tapping fluid currently on the market has the technical problem of unstable pH value, which affects the performance of the tapping fluid, and the tapping fluid also has short service life, difficult discharge, not environmentally friendly and affects the human body. Health and other issues

Method used

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  • A kind of preparation method of the environment-friendly tapping fluid of automobile air-conditioning filter cover plate and environment-friendly tapping fluid
  • A kind of preparation method of the environment-friendly tapping fluid of automobile air-conditioning filter cover plate and environment-friendly tapping fluid
  • A kind of preparation method of the environment-friendly tapping fluid of automobile air-conditioning filter cover plate and environment-friendly tapping fluid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Take raw materials according to Table 1;

[0047] Add rust inhibitor A and metal corrosion inhibitor to deionized water by weight, stir at 300rpm for 15min, heat up from room temperature to 50°C at a speed of 1.3°C / min, and then keep warm to prepare the first mixture;

[0048] Add rust inhibitor B to the first mixture, stir at 500 rpm for 20 minutes, and at the same time raise the temperature from 50°C to 85°C at a rate of 0.8°C / min to prepare the second mixture;

[0049] Add the lubricant and coupling agent to the second mixture, stir at 300rpm for 30min until uniform, cool and precipitate, and filter to obtain an environmentally friendly tapping fluid.

Embodiment 2

[0051] Take raw materials according to Table 1;

[0052] Add rust inhibitor A and metal corrosion inhibitor into deionized water by weight, stir at 500rpm for 10min, heat up from room temperature to 45°C at a speed of 1.3°C / min, and then keep warm to prepare the first mixture;

[0053] Add rust inhibitor B to the first mixture, stir at 300 rpm for 30 minutes, and at the same time raise the temperature from 45°C to 75°C at a rate of 0.8°C / min to prepare the second mixture;

[0054] Add the lubricant and coupling agent to the second mixture, stir at 500rpm for 20 until uniform, cool and precipitate, and filter to obtain an environmentally friendly tapping fluid.

Embodiment 3

[0056] Take raw materials according to Table 1;

[0057] Add antirust agent A and metal corrosion inhibitor into deionized water by weight, stir at 400rpm for 12min, heat up from room temperature to 50°C at a speed of 1.3°C / min, and then keep warm to prepare the first mixture;

[0058] Add rust inhibitor B to the first mixture, stir at 300 rpm for 30 minutes, and at the same time raise the temperature from 50°C to 85°C at a rate of 0.8°C / min to prepare the second mixture;

[0059] Add the lubricant and coupling agent to the second mixture, stir at 400rpm for 25min until uniform, cool and precipitate, and filter to obtain an environmentally friendly tapping fluid.

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Abstract

The invention discloses a method for preparing an environment-friendly tapping fluid for an automobile air conditioning filter cover plate, comprising the following steps: S10, providing the following raw materials: antirust agent A, antirust agent B, metal corrosion inhibitor, lubricant, Coupling agent and deionized water; S20, add antirust agent A and metal corrosion inhibitor into deionized water, stir, heat up to 45-55°C and keep warm to prepare the first mixture; S30, add antirust agent B to the second In a mixture, stir and heat up to 75-85°C to prepare a second mixture; S40, add lubricant and coupling agent to the second mixture to prepare an environment-friendly tapping fluid; wherein, the antirust agent A is boric acid, Decane dibasic acid, undecane dibasic acid, dodecane dibasic acid, tribasic acid, or a mixture of at least two, rust inhibitor B is monoethanolamine, triethanolamine, 2‑amino‑2 One or a mixture of at least two of -methyl-1-propanol. The pH value of the environment-friendly tapping fluid prepared by the preparation method of the invention is more stable, and the comprehensive use performance is better.

Description

technical field [0001] The invention belongs to the field of lubricating materials, and in particular relates to a method for preparing an environment-friendly tapping fluid for an automobile air-conditioning filter cover plate and the environment-friendly tapping fluid prepared by the method. Background technique [0002] In metal cold processing, in order to ensure the processing accuracy of the workpiece and prolong the service life of the cutting tool, it is necessary to use lubricant materials with the functions of lubrication, cleaning, cooling and antirust. [0003] At present, most of the tapping fluids on the market for machining air conditioner filter cover threads are emulsified oily emulsions. This oily emulsion can meet the cooling and lubricating effects required for workpiece processing, but the working fluid is easy to get dirty and needs to be replaced. The cycle is short, the comprehensive cost is high, and the replaced waste liquid contains a large amount ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/00C10N30/06C10N30/12C10N30/18C10N30/04C10N40/24
CPCC10M173/00C10M2201/087C10M2207/022C10M2207/127C10M2207/402C10M2209/082C10M2209/086C10M2209/103C10M2209/109C10M2215/042C10M2215/223C10N2030/04C10N2030/06C10N2030/12C10N2030/18C10N2040/24C10N2030/40C10N2030/42C10N2030/64
Inventor 徐贺徐立庶阮艺锋
Owner 广州市方川润滑科技有限公司
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