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Anti-rusting and anticorrosive finish coat for steel and iron and preparation method thereof

A technology for anti-rust, anti-corrosion, steel, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor aging resistance, low bonding strength, poor impact resistance, etc., and achieve a smooth and smooth 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

[0013] This application aims at the technical problems of poor aging resistance, poor impact resistance, low adhesion, low bonding strength and poor flexibility of existing coatings for steel surfaces, and provides a rust-proof and anti-corrosion finish paint for steel and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Weigh 100 parts of xylene, 20 parts of polystyrene, 8 parts of butyl acrylate, 15 parts of ethyl acetate, 0.1 part of propylene glycol, 10 parts of titanium dioxide, 3 parts of barium sulfate, and 20 parts of dichloropropane according to the ratio of parts by weight , 25 parts of trimethylolpropane, 15 parts of phthalic anhydride, 10 parts of butanol, 5 parts of styrene, 2 parts of benzoyl peroxide, and 4 parts of tricresyl phosphate.

[0028] Put xylene, polystyrene, butyl acrylate, ethyl acetate, propylene glycol, titanium dioxide and barium sulfate into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 110°C, stir for 2 hours, and the stirring speed is 200 rpm .

[0029] Lower the temperature to 30°C, add the remaining raw materials, and grind once in a grinder.

[0030] The appearance of the coating film is smooth and smooth, water resistance for 1 month; viscosity 20s, flexibility 1mm, adhesion level 1; aging resistance 60d, imp...

Embodiment 2

[0032] Weigh 100 parts of xylene, 40 parts of polystyrene, 12 parts of butyl acrylate, 35 parts of ethyl acetate, 0.5 parts of propylene glycol, 30 parts of titanium dioxide, 7 parts of barium sulfate, and 40 parts of dichloropropane according to the ratio of parts by weight , 45 parts of trimethylolpropane, 35 parts of phthalic anhydride, 30 parts of butanol, 25 parts of styrene, 6 parts of benzoyl peroxide, and 8 parts of tricresyl phosphate.

[0033] Put xylene, polystyrene, butyl acrylate, ethyl acetate, propylene glycol, titanium dioxide and barium sulfate into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 130°C, stir for 4 hours, and the stirring speed is 400 rpm .

[0034] Lower the temperature to 40°C, add the remaining raw materials, and grind twice in the grinder.

[0035]The appearance of the coating film is smooth and smooth, water resistance for 2 months; viscosity 30s, flexibility 1mm, adhesion level 1; aging resistance 65...

Embodiment 3

[0037] Weigh 100 parts of xylene, 25 parts of polystyrene, 9 parts of butyl acrylate, 20 parts of ethyl acetate, 0.2 parts of propylene glycol, 15 parts of titanium dioxide, 4 parts of barium sulfate, and 25 parts of dichloropropane , 30 parts of trimethylolpropane, 20 parts of phthalic anhydride, 15 parts of butanol, 10 parts of styrene, 3 parts of benzoyl peroxide, and 5 parts of tricresyl phosphate.

[0038] Put xylene, polystyrene, butyl acrylate, ethyl acetate, propylene glycol, titanium dioxide and barium sulfate into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 110°C, stir for 2 hours, and the stirring speed is 200 rpm .

[0039] Lower the temperature to 30°C, add the remaining raw materials, and grind once in a grinder.

[0040] The appearance of the coating film is smooth and smooth, and the water resistance is 3 months; the viscosity is 40s, the flexibility is 2mm, and the adhesion is grade 1; the aging resistance is 70d, and...

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Abstract

The invention discloses an anti-rusting and anticorrosive finish coat for steel and iron and a preparation method thereof. Xylene, polystyrene, butyl acrylate, ethyl acetate, propylene glycol, titanium pigment, barium sulfate, propylene dichloride, trimethylolpropane, phthalic anhydride, butanol, styrene, benzoyl peroxide and tricresyl phosphate are weighed and taken; the raw materials are agitated, and then are ground, so as to prepare the anti-rusting and anticorrosive finish coat for the steel and the iron. A paint film is uniform and bright in appearance, has water resistance lasting for 1 to 5 months, viscosity of 20s to 60s, flexibility of 1mm to 3mm, adhesive force of level 1, ageing resistance lasting for 60d to 80d, shock strength of 55kg / cm to 95kg / cm, fineness of 12 to 16 microns, solid content of 42 to 48 percent, surface drying time of 10h to 14h and actual drying time of 16h to 20h; the anti-rusting and anticorrosive finish coat for the steel and the iron 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 an antirust and anticorrosion finish paint 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, hypropylene glycol, 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, ethyl acetate, graphite antirust paint, etc.; the latter relies on the chemical antirust effect of antirust pigments, such as Red lead, barium sulfate antirust ...

Claims

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Application Information

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IPC IPC(8): C09D151/00C09D7/12C09D5/08C08F257/02C08F220/18C08F212/08
CPCC08F257/02C08K3/22C08K3/30C08K5/053C08K5/526C08K13/02C08K2003/2241C08K2003/3045C08K2201/014C09D5/08C09D7/61C09D7/63C09D151/003C08F220/1804
Inventor 尤为
Owner WUXI EPIC TECH
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