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High-performance water-based anticorrosion paint and preparation method thereof

An anti-corrosion coating, high-performance technology, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., to achieve the effects of low heavy metal content, improved mechanical properties, and good heat resistance

Inactive Publication Date: 2011-07-27
济宁市产品质量监督检验所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the preparation method of high-performance water-based anti-corrosion coatings using polyaniline-based nanocomposites as anti-corrosion agents and inorganic materials as matrix resins has not been reported.

Method used

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  • High-performance water-based anticorrosion paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Disperse 10.00g of nano-titanium oxide into 100.00g of deionized water to form a nano-titanium oxide dispersion, then add 3.00g (0.03226mol) of aniline and 95.80ml of 4.0mol / L hydrochloric acid aqueous solution to the nano-titanium oxide dispersion, and stir evenly. Add 32.30ml of 1.2mol / L ammonium persulfate aqueous solution at a reaction temperature of 0°C, stir continuously, and after 24 hours of reaction, filter with suction and wash until the filtrate is colorless to obtain a titanium oxide / polyaniline nanocomposite filter cake.

[0027] Take 70.00g of phosphoric acid with a mass percentage concentration of 85%, 30.00g of aluminum hydroxide, and 20.00g of water at 100°C and mix and stir for 1 hour. After cooling, use water to adjust the solution density to 1.10g / cm 3 , That is, aluminum dihydrogen phosphate resin.

[0028] Mix 60.00g of aluminum dihydrogen phosphate resin, 30.00g of titanium oxide / polyaniline nanocomposite filter cake, and 1.00g of sodium hexametap...

Embodiment 2

[0032] Disperse 10.00g of nano-zirconia into 33.30g of deionized water to form a nano-zirconia dispersion, then add 10.00g (0.10753mol) of aniline and 16.13ml of 1.0mol / L sulfosalicylic acid aqueous solution to the nano-zirconia dispersion , stir evenly, add 107.53ml of 0.8mol / L ammonium persulfate aqueous solution at a reaction temperature of 50°C, and keep stirring. After reacting for 1 hour, filter with suction and wash until the filtrate is colorless to obtain a zirconia / polyaniline nanocomposite Material filter cake.

[0033] Dissolve 40.00g of sodium silicate and 10.00g of sodium hydroxide in 100g of water to form a solution, then add 80g of metakaolin into the solution and stir until a jelly-like substance is formed to obtain a geopolymer.

[0034] Mix 30.00g of geopolymer, 0.50g of zirconia / polyaniline nanocomposite filter cake, and 0.10g of hydroxymethylcellulose under a sand mill for 0.5h, then add 10.00g of potassium fluorosilicide, 0.10g of silicone oil, 0.10g of ...

Embodiment 3

[0038] Disperse 10.00 g of titanium phosphate into 80.00 g of deionized water to form a titanium phosphate dispersion, then add 3.00 g (0.03226 mol) of aniline and 83.40 ml of 1.5 mol / L p-toluenesulfonic acid aqueous solution to the titanium phosphate dispersion, and stir evenly. At a reaction temperature of 20°C, add 32.30ml of 1.0mol / L ammonium persulfate aqueous solution and stir continuously. After reacting for 4 hours, filter with suction and wash until the filtrate is colorless to obtain a titanium phosphate / polyaniline nanocomposite filter cake.

[0039] Take 40.00g of phosphoric acid with a mass percentage concentration of 85%, 10.00g of aluminum hydroxide, and 30.00g of water at 80°C and mix and stir for 4 hours. After cooling, use water to adjust the solution density to 1.6g / cm 3 , That is, aluminum dihydrogen phosphate resin.

[0040] Mix 50.00g of aluminum dihydrogen phosphate resin, 1.00g of titanium phosphate / polyaniline nanocomposite filter cake, and 0.50g of so...

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Abstract

The invention relates to a preparation method of high-performance water-based anticorrosion paint. The high-performance water-based anticorrosion paint comprises 30-60 parts of inorganic material resin, 0.5-30 parts of polyaniline-based nano composite material, 0-30 parts of curing agent, 0.1-1 part of defoaming agent, 0.1-1 part of dispersant and 0.1-1 part of leveling agent. Since the high-performance water-based anticorrosion paint does not contain organic resin or organic solvent, the paint has the advantages of heat resistance, wear resistance, weather resistance, oil resistance, fire resistance and environmental protection; the paint also has the advantages of simple preparation technique, strong binding force with metal, and low cost, can be cured at normal temperature, and can be widely used for corrosion protection in the fields of aviation, navigation, chemical engineering, electronics and the like.

Description

technical field [0001] The invention relates to the field of preparation of water-based anti-corrosion coatings, in particular to a preparation method of a high-performance water-based anti-corrosion coating using polyaniline-based nano-composite materials as anti-corrosion agents and inorganic materials as matrix resins. Background technique [0002] According to statistics, metal equipment and materials scrapped due to corrosion are equivalent to 1 / 3 of the annual output of metals, resulting in huge losses. Therefore, the research on anti-corrosion coatings has always been an important topic in the metal protection and coatings industry. Due to the limitations of its own material properties and technology, traditional coatings often have unsatisfactory corrosion protection effects on metal substrates, and a considerable part of coatings contain toxic substances such as lead or chromate, which causes environmental pollution during preparation and construction. This is not c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D1/04C09D5/08C09D7/12
Inventor 曾永斌
Owner 济宁市产品质量监督检验所
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