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Universal comprehensive treating agent for performing spraying, tank leaching, ultrasonic wave treatment and wiping on steel workpiece

A comprehensive treatment agent and ultrasonic technology, which is applied in the field of steel workpiece spraying, ultrasonic, tank immersion, and wiping general-purpose comprehensive treatment agent, can solve the problems that the treatment agent cannot be used universally, troublesome use, etc., and achieves convenient operation, reduced production cost, Guarantee the effect of construction quality

Inactive Publication Date: 2014-04-16
DALIAN SANDAAOKE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are various forms of treatment for workpieces, such as spraying, bath immersion, ultrasonic wave, wiping, etc. Each form of treatment agent is not universal, and it is troublesome to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] The raw materials and mass percentages used are as follows: 48% phosphoric acid with a mass percentage concentration of 85%, 1% citric acid, 2% zinc oxide, 1.5% nickel nitrate, 2.5% sodium tripolyphosphate, 2% ethylene glycol monobutyl ether, soaked and degreased Degreasing special surfactant 3%, defoamer (MS-575) 0.1% and water balance.

[0008] The production method is carried out as follows: add the calculated and weighed water into the reaction axe, start the mixer at a speed of 80 rpm, and then sequentially add the calculated and weighed phosphoric acid, citric acid, zinc oxide, nickel nitrate, sodium tripolyphosphate, Ethylene glycol monobutyl ether, special surfactant for soaking degreasing and degreasing, and defoaming agent are added to the reaction axe, stirred continuously for 2~3 hours, and then discharged and packaged.

[0009] The special surfactant for immersion degreasing and degreasing in the above raw materials is a product of Shenzhen Qiyanglong Techn...

Embodiment 2

[0011] The raw materials and mass percentages used are as follows: 28% phosphoric acid with a mass percentage concentration of 85%, 2% citric acid, 1% zinc oxide, 2.5% nickel nitrate, 1.5% sodium tripolyphosphate, 4% ethylene glycol monobutyl ether, soaked and degreased 1% special surfactant for degreasing, 0.5% defoamer and the balance of water.

[0012] Raw materials used and production method are all with embodiment 1.

Embodiment 3

[0014] The raw materials and mass percentages used are as follows: 35% phosphoric acid with a mass percentage concentration of 85%, 1.5% citric acid, 1.5% zinc oxide, 2.0% nickel nitrate, 2.0% sodium tripolyphosphate, 3% ethylene glycol monobutyl ether, soaked and degreased Degreasing special surfactant 2%, defoamer 0.3% and water balance.

[0015] Raw materials used and production method are all with embodiment 1.

[0016] When in use: Spray to prepare a working solution with a mass percentage concentration of 5-10%, and use it at room temperature for 1-3 minutes; tank immersion to prepare a working solution at a concentration of 10-15%, and prepare a working solution at room temperature for 10-15 minutes. Wipe and wipe evenly with a working solution prepared at 15-20% ;Ultrasonic to prepare the working solution according to 5~10%, 50~60℃, 5~8min.

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Abstract

The invention discloses a universal comprehensive treating agent for performing spraying, tank leaching, ultrasonic wave treatment and wiping on a steel workpiece. The universal comprehensive treating agent is characterized by comprising the following raw materials by mass percent: 28-48% of phosphoric acid with the mass concentration of 85%, 1-2% of citric acid, 1-2% of zinc oxide, 1.5-2.5% of nickel nitrate, 1.5-2.5% of sodium tripolyphosphate, 2-4% of ethylene glycol monobutyl ether, 1-3% of a soak degreasing oil-removing special surfactant, 0.1-0.5% of a defoaming agent, and the balance of water. The universal comprehensive treating agent can achieve the purposes of cleaning for degreasing, rust removing, welded oxide skin removing and the like, and can further quickly form a passivated film on the surface of the workpiece, after the passivated film is dried naturally, various paints can be sprayed and painted immediately, the secondary oxidation is avoided, and the painting quality is guaranteed. The whole chemical treatment process is simple, and convenient to operate, and the production cost is greatly lowered.

Description

technical field [0001] The invention relates to a passivating agent and a preparation method thereof, in particular to a general-purpose comprehensive treatment agent for spraying, bath immersion, ultrasonic wave and wiping of iron and steel workpieces which can avoid secondary oxidation and ensure the quality of paint construction. Background technique [0002] Steel workpieces are generally subjected to chemical treatment before spraying and coating. While removing the oil on the surface of the workpiece, a protective film is formed on the surface, which is usually only a few microns. Due to the porosity of the protective film, the paint can penetrate into these pores to achieve a close combination of the paint layer and the protective film. Its main function is to improve the corrosion resistance of the workpiece, and the second is to enhance the adhesion between the substrate and the coating of the steel workpiece. At present, there are various forms of treatment for wo...

Claims

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Application Information

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IPC IPC(8): C23C22/17
Inventor 潘德顺朱国玉辛钢黄文飞王剑郝荣
Owner DALIAN SANDAAOKE CHEM
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