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Rustproof anti-crush coating for steel and iron and preparation method of rustproof anti-crush coating

An anti-rust, anti-shattering, and steel technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as poor hiding power, low adhesion, slow drying, etc., and achieve good chipping resistance, good water resistance, and hard coating film Effect

Inactive Publication Date: 2016-09-21
WUXI EPIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] This application aims at the technical problems of low viscosity, poor flexibility, low adhesion, slow drying and poor hiding power of existing coatings for steel surfaces, and provides a rust-resistant and anti-shatter coating for steel and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 100 parts of spindle oil, 0.1 part of mercury sulfate, 0.2 part of benzotriazole, 0.3 part of paraffin, 1 part of diphenylamine, 30 parts of ethyl cellulose, 30 parts of vaseline, polybutadiene 15 parts of polyol, 5 parts of sodium petroleum sulfonate, 25 parts of polyether polyisocyanate, 10 parts of xylene.

[0024] Put spindle oil, mercury sulfate, benzotriazole, paraffin, diphenylamine, ethyl cellulose and vaseline into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 145°C, stir for 20 minutes, and the stirring speed is 350 rpm minute.

[0025] Cool to 30°C, add the remaining raw materials, grind to a fineness of 60 μm in a grinder, filter and pack.

[0026] Used for steel surface protection, the appearance of the coating film is smooth, the viscosity is 60s, the surface is dry for 5 hours, and the hard work is 24 hours; the hiding power is 200g / cm 3 , has good adhesion to metal, and the coating film is hard; moisture-pr...

Embodiment 2

[0028] Weigh 100 parts of spindle oil, 0.5 parts of mercury sulfate, 0.6 parts of benzotriazole, 0.7 parts of paraffin, 5 parts of diphenylamine, 70 parts of ethyl cellulose, 50 parts of vaseline, polybutadiene 35 parts of polyol, 25 parts of sodium petroleum sulfonate, 45 parts of polyether polyisocyanate, 30 parts of xylene.

[0029] Put spindle oil, mercury sulfate, benzotriazole, paraffin, diphenylamine, ethyl cellulose and vaseline into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 185°C, stir for 60 minutes, and the stirring speed is 750 rpm minute.

[0030] Cool to 50°C, add the remaining raw materials, grind to a fineness of 60 μm in a grinder, filter and pack.

[0031]Used for steel surface protection, the appearance of the coating film is smooth, the viscosity is 70s, the surface is dry in 4 hours, and the hard work is 23 hours; the hiding power is 210g / cm 3 , has good adhesion to metal, and the coating film is hard; moisture...

Embodiment 3

[0033] Weigh 100 parts of spindle oil, 0.2 parts of mercury sulfate, 0.3 parts of benzotriazole, 0.4 parts of paraffin, 2 parts of diphenylamine, 40 parts of ethyl cellulose, 35 parts of vaseline, polybutadiene 20 parts of polyol, 10 parts of sodium petroleum sulfonate, 30 parts of polyether polyisocyanate, 15 parts of xylene.

[0034] Put spindle oil, mercury sulfate, benzotriazole, paraffin, diphenylamine, ethyl cellulose and vaseline into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 145°C, stir for 20 minutes, and the stirring speed is 350 rpm minute.

[0035] Cool to 30°C, add the remaining raw materials, grind to a fineness of 20 μm in a grinder, filter and pack.

[0036] Used for steel surface protection, the appearance of the coating film is smooth, the viscosity is 80s, the surface is dry for 3 hours, and the hard work is 22 hours; the hiding power is 220g / cm 3 , has good adhesion to metal, and the coating film is hard; moistu...

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Abstract

The invention discloses a rustproof anti-crush coating for steel and iron and a preparation method of the rustproof anti-crush coating. The preparation method comprises the following steps: weighing spindle oil, mercury sulfate, benzotriazole, paraffin, diphenylamine, ethyecellulose, vaseline, polybutadiene polyalcohol, petroleum sodium sulfonate ketone, polyether polyisocyanate and dimethylbenzene, stirring the raw materials and then grinding the stirred raw materials, wherein the coating is used for steel and iron surface protection, the coating is smooth in appearance, the viscosity is 60-100 s, surface drying time is 1-5 h, and hard drying time is 20-24 h; the covering force is 200-240 g / cm<3>, and the coating has high adhesive force for metals and is hard in coating film; the coating is high in dampproof and rustproof capacities and water resistance, the shock resistance is 70-90 cm, the salt water resistance is 14-18 d under the condition of soaking in water of 30 DEG C, and the coating is free of bubbling or dropping; the flexibility is 2-4 mm, and the crushing and dropping resistance is high.

Description

technical field [0001] The invention relates to a coating for iron and steel surfaces, in particular to an antirust and anti-shatter 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 of the atmosphere, sea water, 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 benzotriazole and paint 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 antirust benzotriazole Chemical antirust effect, such as spindle oil, zinc yellow antirust paint, etc. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D191/00C09D5/08C09D7/12
CPCC09D191/00C08L2205/02C08L2205/025C08L2205/035C09D5/08C09D7/61C09D7/63C09D7/65C08L91/06C08K13/02C08K2003/3045C08K5/3475C08K5/18C08K5/42
Inventor 尤为
Owner WUXI EPIC TECH
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