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A protective agent for protecting rusted art steel plates

A protective agent, steel plate technology, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of uncontrollable corrosion effect of rusted art steel plates and environmental pollution

Active Publication Date: 2015-09-23
SHANGHAI GATE CONSTR TECH CONSULTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a protective agent for protecting the rusted art steel plate, thereby solving the problems in the prior art that the corrosion effect of the rusted art steel plate cannot be controlled and pollutes the environment

Method used

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  • A protective agent for protecting rusted art steel plates
  • A protective agent for protecting rusted art steel plates
  • A protective agent for protecting rusted art steel plates

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Put 60 grams of water-based polyurethane dispersion into the paint mixing tank, add 1 gram of ammonia water to adjust the pH value, add 3 grams of isopropanol, 25 grams of ethylene glycol butyl ether, 2 grams of BYK-345, 3 grams of BYK-333, and stir After uniformity, the protective agent solution is obtained, and the sample is coated on the surface of the steel plate model, and then quickly dried to form a film. After the performance test (parameters are shown in Table 1), it is filtered and packaged.

[0023] Table 1

[0024]

[0025] In the above examples, the water-based resin (water-based polyurethane dispersion) accounts for 64% of the weight of the total protective agent, the PH value adjustment aid (ammonia water) accounts for 1% of the weight of the total protective agent, and the coating additives (BYK-345 and BYK- 333) accounts for 5% of the total weight of the protective agent, and the solvent (isopropanol and ethylene glycol butyl ether) accounts for 30% ...

Embodiment 2

[0028] Add 159 grams of water-based acrylic emulsion to the paint mixing tank, stir evenly, add 4 grams of dimethylethanolamine to adjust the pH value, add 3 grams of isopropanol, 20 grams of ethylene glycol butyl ether, and 6 grams of ethylene glycol butyl ether acetate , 2 grams of ethylene glycol phenyl ether, 2 grams of BYK-345, 2 grams of BYK-333, and 2 grams of matting agent are stirred evenly to obtain a protective agent solution. The sample is coated on the surface of the steel plate and then quickly dried to form a film. Filter and pack after passing the test (parameters in Table 2).

[0029] Table 2

[0030]

[0031] In the above examples, the water-based resin (water-based acrylic emulsion) accounts for 80% of the weight of the total protective agent, the pH value adjustment assistant (dimethylethanolamine) accounts for 2% of the weight of the total protective agent, and the paint additives (BYK-345, BYK-333 and matting agent) account for 3% of the total weight ...

Embodiment 3

[0034] Add 90 grams of water-based polyurethane dispersion and 70 grams of water-based acrylic emulsion into the paint mixing tank, stir evenly, add 8 grams of ammonia water to adjust the pH value, add 4 grams of isopropanol, 25 grams of ethylene glycol butyl ether, and 3 grams of ethylene glycol Butyl ether acetate, 5 grams of ethylene glycol phenyl ether, 4 grams of BYK-345, 4 grams of BYK-333, and 4 grams of matting additives are stirred evenly to obtain a protective agent solution. Samples are coated on the surface of the steel plate and then quickly baked. Dry to form a film, filter and pack after passing the performance test (parameters in Table 3).

[0035] table 3

[0036]

[0037]

[0038] In the above-mentioned embodiment, the water-based resin (water-based polyurethane dispersion and water-based acrylic emulsion) accounts for 74% of the total protective agent weight, the PH value adjustment assistant (ammonia water) accounts for 4% of the total protective agen...

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PUM

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Abstract

The invention provides a protective agent for protecting corroded art steel plates. The protective agent comprises the following components: 50-85wt % of water-based resin, 0.5-5wt % of PH-value regulating additive, 1-10wt % of paint additives, and 10-35wt % of solvent, wherein the water-based resin is at least one of an aqueous polyurethane dispersion and a polyacrylic emulsion; the PH-value regulating additive is at least one of dimethylethanolamine and ammonia water; and the paint additives comprise a surface flatting agent and a surface slipping additive. The protective agent for protecting the corroded art steel plates disclosed by the invention achieves the functional requirements applicable to corroded art steel plates through the water-based resin, the PH-value regulating additive and the paint additives, and is suitable for being constructed and used on various corroded art steel plates under various environment and construction conditions without affecting the decorative effect of corroded art steel plates.

Description

technical field [0001] The invention relates to a coating, more particularly to a protective agent for protecting rusted art steel plates. Background technique [0002] The use of steel with a rusted surface as a surface decoration for buildings and the like began in the 1990s. It was first used by some foreign architects and obtained a special decorative effect. In recent years, it has also begun to be used in domestic buildings. Due to the characteristics of steel corrosion, under the condition of lack of protection, the corrosion will inevitably continue to develop, making the corrosion effect uncontrollable. Continuously developing rust affects the service life of the material. In addition, the rust layer of steel is loose and easy to fall off, causing direct pollution to other building materials around the building and contaminating personnel who touch the surface. [0003] In view of this, a protective measure is particularly needed. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D133/00C09D5/08C09D7/12
Inventor 杨晔匡文君吴雷姚伟毅
Owner SHANGHAI GATE CONSTR TECH CONSULTING
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