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On-rust anticorrosive paint for steel and iron and preparation method thereof

A technology with rust and anti-corrosion and steel, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor impact resistance, low hardness, slow drying, etc., and achieve the effect of uniform and bright appearance

Inactive Publication Date: 2016-09-07
WUXI EPIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] This application aims at the technical problems of low hardness, poor impact resistance, low adhesion, slow drying and poor flexibility of existing coatings for steel surfaces, and provides a rust-resistant anti-corrosion coating for steel and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Weigh 100 parts of pure water, 0.4 parts of polyvinyl chloride resin, 0.15 parts of silicone rubber, 0.3 parts of acetone, 0.5 parts of vermiculite powder, 5 parts of kaolin, 1.2 parts of white oil, 0.6 parts of glycerin, benzotri 0.05 part of azole, 0.8 part of barium petroleum sulfonate, 30 parts of vinyl acetate, 20 parts of butyl acrylate, 1 part of acrylic acid, and 0.1 part of potassium persulfate.

[0025] Put pure water, polyvinyl chloride resin, silicone rubber, acetone, vermiculite powder, kaolin and white oil into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 210°C, stir for 40 minutes, and the stirring speed is 500 rpm.

[0026] Lower the temperature to 30°C, add the remaining raw materials, and grind once in a grinder with a fineness of 30 μm.

[0027] The appearance of the coating film is uniform and bright, the surface is dry for 40 minutes, and the hard work is 7 hours; the flexibility is 140mm, and the adhesion is...

Embodiment 2

[0029] Weigh 100 parts of pure water, 0.8 parts of polyvinyl chloride resin, 0.55 parts of silicone rubber, 0.7 parts of acetone, 2.5 parts of vermiculite powder, 9 parts of kaolin, 1.6 parts of white oil, 1 part of glycerin, benzotri 0.25 parts of azoles, 1.2 parts of barium petroleum sulfonate, 70 parts of vinyl acetate, 40 parts of butyl acrylate, 5 parts of acrylic acid, and 0.5 parts of potassium persulfate.

[0030] Put pure water, polyvinyl chloride resin, silicone rubber, acetone, vermiculite powder, kaolin and white oil into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 250°C, stir for 60 minutes, and the stirring speed is 700 rpm.

[0031] Lower the temperature to 50°C, add the remaining raw materials, and grind twice in a grinder with a fineness of 50 μm.

[0032] The appearance of the coating film is uniform and bright, the surface is dry for 35 minutes, and the hard work is 6 hours; the flexibility is 150mm, and the adhesion...

Embodiment 3

[0034] Weigh 100 parts of pure water, 0.5 parts of polyvinyl chloride resin, 0.25 parts of silicone rubber, 0.4 parts of acetone, 1 part of vermiculite powder, 6 parts of kaolin, 1.3 parts of white oil, 0.7 parts of glycerin, benzotri 0.1 part of azole, 0.9 part of barium petroleum sulfonate, 40 parts of vinyl acetate, 25 parts of butyl acrylate, 2 parts of acrylic acid, 0.2 part of potassium persulfate.

[0035] Put pure water, polyvinyl chloride resin, silicone rubber, acetone, vermiculite powder, kaolin and white oil into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 250°C, stir for 60 minutes, and the stirring speed is 700 rpm.

[0036] Lower the temperature to 30°C, add the remaining raw materials, and grind once in a grinder with a fineness of 30 μm.

[0037] The appearance of the coating film is uniform and bright, the surface is dry for 30 minutes, and the hard work is 5 hours; the flexibility is 160mm, and the adhesion is grade ...

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Abstract

The invention discloses an on-rust anticorrosive paint for steel and iron and a preparation method thereof. Pure water, polyvinyl chloride resin, silicone rubber, acetone, vermiculite power, kaolin, white oil, glycerin, benzotriazole, barium petroleum sulfonate, vinyl acetate, butyl acrylate, acrylic acid and potassium peroxodisulfate are weighed and taken, and the raw materials are agitated, and then are ground, so as to prepare the on-rust anticorrosive paint for the steel and the iron. A paint film is uniform and bright in appearance, has surface drying time of 20min to 40min, actual drying time of 3h to 7h, flexibility of 140mm to 180mm and adhesive force of level 1-2, does not bubble or fall off when being immersed in water at 30 DEG C to 40 DEG C for 7d to 11d, and has the impact strength of 650N / cm to 850N / cm; the on-rust anticorrosive paint for the steel and the iron is used for protecting the surfaces of metal steel products, has the hardness of 2H-6H, and can be widely produced and used for continually replacing existing materials.

Description

technical field [0001] The invention relates to a coating for iron and steel surfaces, in particular to a rusty anticorrosion coating for iron and steel and a preparation method thereof. Background technique [0002] Antirust coatings are coatings that protect metal surfaces from chemical or electrochemical corrosion from the atmosphere, vermiculite powder, etc. Coating anti-rust coatings on the metal surface can effectively prevent the direct invasion of various corrosive substances in the atmosphere, so as to maximize the extension of the service life of the metal. It can be divided into two categories: physical and chemical antirust paint. The former relies on the proper coordination of pigments and paints to form a dense paint film to prevent the intrusion of corrosive substances, such as iron red, aluminum powder, graphite antirust paint, etc.; the latter relies on the chemical antirust effect of antirust pigments, such as red Dan, zinc yellow antirust paint, etc. Us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/08C09D7/12
CPCC09D4/06C09D5/08C09D7/61C09D7/63
Inventor 尤为
Owner WUXI EPIC TECH
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