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Aqueous rotating rust steel iron surface treatment liquid and preparation method thereof

A steel surface, self-rotating rust technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of less water-based anti-corrosion coatings, less surface treatment liquid for rusty steel, etc.

Inactive Publication Date: 2015-11-04
镇江德昇新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, water-based coatings used in the construction field are relatively common, and the technology is relatively mature, but there are relatively few water-based anti-corrosion coatings applied to the surface of steel products, and even less rusty steel surface treatment fluids applied to the surface of steel products

Method used

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  • Aqueous rotating rust steel iron surface treatment liquid and preparation method thereof
  • Aqueous rotating rust steel iron surface treatment liquid and preparation method thereof
  • Aqueous rotating rust steel iron surface treatment liquid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A water-based self-rotating rusty steel surface treatment solution, in terms of mass percentage, the composition of the water-based self-rotating rusty steel surface treatment solution is: 80% water-based acrylic acid antirust emulsion, 0.3% auxiliary agent, 2% tannic acid, and 17.7% deionized water.

[0022] Auxiliaries include wetting agent and defoaming agent. The mass ratio of wetting agent and defoaming agent to the whole water-based self-rotating rust steel surface treatment solution is 0.2% and 0.1%, respectively. The solid content of water-based acrylic antirust emulsion for 42%.

[0023] The preparation method of water-based self-rotation rust iron and steel surface treatment liquid as mentioned above may further comprise the steps:

[0024] 1): According to the proportion, first put deionized water into the mixing tank, heat it to 50°C, add tannic acid while stirring, control the rotation speed at 300 rpm, and stir until the tannic acid is completely dissolve...

Embodiment 2

[0030] A water-based self-rotating rusty steel surface treatment solution, in terms of mass percentage, the composition of the water-based self-rotating rusty steel surface treatment solution is: 75% water-based acrylic acid antirust emulsion, 0.4% auxiliary agent, 4.6% tannic acid, and 20% deionized water.

[0031] Auxiliaries include wetting agent and defoaming agent. The mass ratio of wetting agent and defoaming agent to the whole water-based self-rotating rust steel surface treatment solution is 0.2% and 0.2%, respectively. The solid content of water-based acrylic antirust emulsion 45%.

[0032] The preparation method of water-based self-rotation rust iron and steel surface treatment liquid as mentioned above may further comprise the steps:

[0033] 1): According to the proportion, first put deionized water into the mixing tank, heat it to 60°C, add tannic acid while stirring, control the rotation speed at 500 rpm, and stir until the tannic acid is completely dissolved to...

Embodiment 3

[0036] A water-based self-rotating rusty steel surface treatment solution, in terms of mass percentage, the composition of the water-based self-rotating rusty steel surface treatment solution is: 78% water-based acrylic acid antirust emulsion, 0.2% auxiliary agent, 2.5% tannic acid, and 19.3% deionized water.

[0037] Auxiliaries include wetting agent and defoaming agent. The mass ratio of wetting agent and defoaming agent to the entire water-based self-rotating rust steel surface treatment solution is 0.1% and 0.1%, respectively. The solid content of water-based acrylic antirust emulsion was 44%.

[0038] The preparation method of water-based self-rotation rust iron and steel surface treatment liquid as mentioned above may further comprise the steps:

[0039] 1): According to the proportion, first put deionized water into the mixing tank, heat it to 55°C, add tannic acid while stirring, control the rotation speed at 400 rpm, stir until the tannic acid is completely dissolved...

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Abstract

The present invention discloses an aqueous rotating rust steel iron surface treatment liquid and a preparation method thereof, and belongs to the technical field of anti-corrosion coating materials, wherein the aqueous rotating rust steel iron surface treatment liquid comprises, by mass, 75-80% of an aqueous acrylic acid anti-rust emulsion, 0.2-0.4% of an auxiliary agent, 1.5-5% of tannin acid, and 15-20% of deionized water. According to the present invention, the aqueous rotating rust steel iron surface treatment liquid does not contain organic solvents, has characteristics of no toxicity, no harm, fire retardation, explosion resistance and no pollution, and meets the energy saving, emission reducing and green ecological direction; the construction performance of the aqueous rotating rust steel iron surface treatment liquid is good (fast-drying) and no obstruction exists so as to further improve the resistance of the external coating (strong adhesion and high paint film hardness); acid washing, phosphorization, sand blasting, shot blasting and other anti-rusting ways are not required to be used on the steel iron substrate, the coating with rust can be performed, and only after the substrate surface is subjected to the flattening treatment, the aqueous rotating rust steel iron surface treatment liquid is coated on the substrate surface so as to complete the operation; and the application prospects of the aqueous rotating rust steel iron surface treatment liquid are broad.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion coatings, and in particular relates to a water-based self-rotating rusty iron and steel surface treatment solution and a preparation method thereof. Background technique [0002] According to statistics, the annual loss of steel due to corrosion in the world exceeds 10,000 tons, and the cost of steel corrosion protection amounts to hundreds of millions of dollars. In terms of rust removal, most of them use traditional methods such as pickling, phosphating, sandblasting, and shot blasting. , and these traditional rust removal methods have some deficiencies more or less, for example: a large amount of volatilization of harmful gases in the process of pickling and phosphating, which not only damages the health of operators, but also pollutes the surrounding environment; shot blasting and sandblasting The raised fog and dust brought occupational diseases to many operators and caused lifelong su...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D5/08C09D7/12
Inventor 李洪岩
Owner 镇江德昇新材料科技有限公司
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