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Nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum coating anti-corrosive paint

A coating anti-corrosion, zinc-aluminum technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of increased cost, high price, and reduced coating corrosion resistance, and achieve good adhesion, low price, and excellent corrosion resistance. Effect

Inactive Publication Date: 2013-04-17
重庆海塑南邦铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are industrial applications of chromium-free Dacromet technology at home and abroad, but the corrosion resistance of the coating is significantly lower than that of traditional Dacromet coatings, and it needs to be used with another organic coating, which greatly increases the cost
The cost of chromium-free zinc-aluminum coating is much higher than that of zinc-chromium coating, so its price is high

Method used

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  • Nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum coating anti-corrosive paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum coating anti-corrosion coating, which is composed of two components A and B in a mass ratio of 3:1, wherein the formula mass percentage of component A is:

[0054] Zinc aluminum alloy powder 32%

[0055] Nano silica 25%

[0056] Sodium lignosulfonate 15%

[0057] Benzotriazole 4%

[0058] Thiodiethylene glycol 0.35%

[0059] Triphenylphosphine 0.35%

[0060] Deionized water balance

[0061] The formula mass percentage of component B is:

[0062] Zirconium tetrafluoride 25%

[0063] γ-Aminopropyltriethoxysilane 18%

[0064] Phytate 14%

[0065] Acetyl cellulose 3.5%

[0066] Ethanol 7%

[0067] Deionized water balance

[0068] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti, and Si.

[0069] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0070] The method for preparing the above-mentioned nickel-magnesium-titanium-silicon-containing chrom...

Embodiment 2

[0075] A nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum anti-corrosion coating is composed of two components A and B in a mass ratio of 3:1, wherein: the formula mass percentage of component A is:

[0076] Zinc aluminum alloy powder 25%

[0077] Nano silica 30%

[0078] Sodium lignosulfonate 12%

[0079] Benzotriazole 5%

[0080] Thiodiethylene glycol 0.2%

[0081] Triphenylphosphine 0.5%

[0082] Deionized water balance

[0083] The formula mass percentage of component B is:

[0084] Zirconium tetrafluoride 20%

[0085] γ-Aminopropyltriethoxysilane 20%

[0086] Phytate 10%

[0087] Acetyl cellulose 5%

[0088] Ethanol 5%

[0089] Deionized water balance

[0090] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti, and Si.

[0091] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0092] The preparation method is the same as in Example 1.

Embodiment 3

[0094] A nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum anti-corrosion coating is composed of two components A and B in a mass ratio of 3:1, wherein: the formula mass percentage of component A is:

[0095] Zinc-aluminum alloy powder 40%

[0096] Nano silica 20%

[0097] Sodium lignosulfonate 18%

[0098] Benzotriazole 3%

[0099] Thiodiethylene glycol 0.5%

[0100] Triphenylphosphine 0.2%

[0101] Deionized water balance

[0102] The formula mass percentage of component B is:

[0103] Zirconium tetrafluoride 30%

[0104] γ-Aminopropyltriethoxysilane 15%

[0105] Phytate 18%

[0106] Acetyl cellulose 2%

[0107] Ethanol 9%

[0108] Deionized water balance

[0109] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti, and Si.

[0110] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0111] The preparation method is the same as in Example 1.

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Abstract

The invention discloses nickel-magnesium-titanium-silicon-containing chromium-free zinc-aluminum coating anti-corrosive paint which comprises an A component and a B component at a mass ratio of 3:1, wherein the A component comprises the following raw materials: allumen powder, nano-silica, sodium lignosulphonate, benzotriazole, sulpho-diethylene glycol, triphenylphosphine and deionized water; the B component comprises the following raw materials: zirconium tetrafluoride, gamma-aminopropyl triethoxy silane, inositol hexaphosphate, cellulose acetate-butyrate, ethanol and deionized water; and the allumen powder comprises Zn, Al, Ti, Ni, Mg and Si. The paint has the characteristics of no toxicity, harmlessness, no pollution, low-temperature immediate processing, easiness in operation, extensive raw material sources, low price, cleaner production and the like.

Description

technical field [0001] The invention relates to a metal anticorrosion coating, in particular to a chromium-free zinc-aluminum coating anticorrosion coating containing nickel-magnesium-titanium-silicon. Background technique [0002] Chromium-free zinc-aluminum coating is a new surface treatment material developed to meet the VOC regulations of various countries in the world and the environmental protection requirements stipulated by the coating industry, replacing the traditional Dacromet zinc-chromium coating process. [0003] Dacromet is the transliteration and abbreviation of DACROMET, abbreviated as Dacromet, Dacromet, and Dickron. Domestically named zinc-chromium coating, it is a new type of anti-corrosion coating with zinc powder, aluminum powder, chromic acid and deionized water as the main components. Its anti-corrosion principle is to use hexavalent chromium ions in chromium salts to passivate the zinc and aluminum flakes in the coating to improve the anti-corrosion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/10
Inventor 张军
Owner 重庆海塑南邦铝业有限公司
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