Preparation method of vitrification agent and vitrification liquid and vitrification process

A vitrification agent and vitrification technology, which is applied in the coating process of metal materials, etc., can solve the problems of insufficient corrosion resistance, easy rust return time, etc., and achieve the goals of increasing density, shortening processing time, and improving corrosion resistance Effect

Active Publication Date: 2020-06-16
厦门力九化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Its shortcoming is that the film formed by the composite treatment agent on the surface of the metal workpiece, its main matrix is ​​the cross-linked product of zirconia / titanium oxide and silane, which is insufficient in corrosion resistance, resulting in a fast time to rust, so Room for improvement

Method used

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  • Preparation method of vitrification agent and vitrification liquid and vitrification process
  • Preparation method of vitrification agent and vitrification liquid and vitrification process
  • Preparation method of vitrification agent and vitrification liquid and vitrification process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] A vitrifying agent, comprising the following components and the mass parts of each component,

[0077] 5-10 parts of sodium fluozirconate,

[0078] Potassium fluotitanate 3-5 parts,

[0079] 5-10 parts of silane coupling agent,

[0080] 5-8 parts of tartaric acid,

[0081] 62-77 parts of deionized water,

[0082] 10-15 parts of nano silicon powder.

[0083] Taking the preparation of 1000L as an example, the preparation method of ceramic solution is as follows:

[0084] S1: Add 800L of deionized water to the mixing tank, then add 15-35L of the above ceramic agent and stir evenly to obtain the pre-mixed solution; S2: Add deionized water to the pre-mixed solution, and make the pre-mixed solution The number is corrected to 1000 copies;

[0085] S3: Detect the pH value of the pre-prepared solution, and add ammonia water to adjust the pH value of the pre-prepared solution to 3.5-5.5.

[0086] as attached figure 1 Shown, a kind of vitrification process using above-ment...

Embodiment 2

[0100] A kind of vitrifying agent, it is based on the basis of embodiment 1, and it also comprises thickening agent 5-8 parts, and here thickening agent is sodium alginate.

[0101] A vitrifying liquid, prepared according to the preparation method in Example 1, using the above-mentioned vitrifying agent.

[0102] as attached figure 2 Shown, a kind of vitrification process using above-mentioned preparation vitrification liquid, it comprises the following steps,

[0103] X1: The workpiece is mounted under the transmission hanger 6 and sprayed with the cleaning solution through the phosphorus-free cleaning room 1 for phosphorus-free pre-degreasing. The degreasing agent is used as a neutral degreasing agent, and the temperature is controlled at 28 ° C. Then it is transported by the conveyor belt and kept immersed Perform ultrasonic phosphorus-free cleaning through the first ultrasonic cleaning tank 2, the ultrasonic frequency is 20-22kHz, the water temperature in the first ultraso...

Embodiment 3

[0121] A kind of vitrifying agent, it is based on the basis of embodiment 2, and it also comprises fatty alcohol polyoxyethylene ether 7-15 parts.

[0122] A vitrifying liquid, prepared according to the preparation method in Example 1, using the above-mentioned vitrifying agent.

[0123] A kind of vitrification process, which includes the following steps are the same as those in Example 2, the difference is that the vitrification liquid is used in that the above-mentioned vitrification is also obtained according to the preparation method of Example 1.

[0124] According to above-mentioned vitrification process, designed embodiment 3A-3E specific parameter is shown in the following table.

[0125]

[0126] The sample that embodiment 3A-3E makes is carried out the test of vitrified film adhesion strength according to the test method specified in " GB9286-1998 Color Paint and Varnish Paint Film Cross-cut Test ", test result is distinguished with its stipulation classification,...

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Abstract

The invention relates to pretreatment before metal coating, discloses a pottery agent, a preparation method thereof and a pottery process, and solves the problem of fast easy re-rusting time caused byweak corrosion resistance of pottery films obtained by a traditional pottery process. The pottery agent comprises the following components in parts by mass: 5-10 parts of sodium hexafluorozirconate,3-5 parts of potassium fluotitanate, 5-10 parts of silane coupling agent, 5-8 parts of tartaric acid, 62-77 parts of de-ionized water, and 10-15 parts of nanometer silicon powder. Water and an adjusting agent are added in the pottery agent for dilution to prepare pottery liquid; metal workpieces are conveyed by a conveying lifting frame to move through a phosphorus-free cleaning chamber, a first ultrasonic cleaning tank and a first water washing tank in sequence for cleaning and degreasing, are derusted and cleaned by an acid washing tank, a second water washing tank and a second ultrasonic cleaning tank, and enter a first pottery pool with the pottery liquid for pottery to form pottery films on the surfaces; and the obtained pottery films improve the corrosion resistance, and achieve excellent rust resistance.

Description

technical field [0001] The invention relates to pretreatment before metal coating, in particular to a vitrification agent, its use method and vitrification process. Background technique [0002] Metal workpieces usually need to be pre-treated before painting, including degreasing, rust removal, etc. In addition, a layer of chemical conversion film needs to be formed on the surface of the metal workpiece during the pre-treatment. The conversion film has a certain anti-corrosion ability and can avoid parts. Returning rust in a short period of time before spraying can also increase the roughness of the surface of the part and enhance the bonding force between the paint and the substrate. The existing processes for this treatment are mainly phosphating process, vitrification process, surface silanization process, and organic film pretreatment process. [0003] Among them, the existing vitrification process is to immerse the metal workpiece into the vitrification solution contai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/34
CPCC23C22/34C23C2222/20
Inventor 何泽宇何朝连
Owner 厦门力九化工有限公司
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