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Non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon

A coating anti-corrosion, zinc-aluminum technology, applied 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

Active Publication Date: 2013-04-10
TONGXIANG TONGDE ELECTRIC POWER FITTING
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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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  • Non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A nickel-magnesium-silicon-containing chromium-free zinc-aluminum 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:

[0053] Zinc aluminum alloy powder 32%

[0054]Nano silica 25%

[0055] Sodium lignosulfonate 15%

[0056] Benzotriazole 4%

[0057] Thiodiethylene glycol 0.35%

[0058] Triphenylphosphine 0.35%

[0059] Deionized water balance

[0060] The formula mass percentage of component B is:

[0061] Zirconium tetrafluoride 25%

[0062] γ-Aminopropyltriethoxysilane 18%

[0063] Phytate 14%

[0064] Acetyl cellulose 3.5%

[0065] Ethanol 7%

[0066] Deionized water balance

[0067] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, and Si.

[0068] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0069] The method for preparing the above-mentioned nickel-magnesium-silicon-containing chromium-free zinc-aluminum coating anti-corrosion coati...

Embodiment 2

[0074] A nickel-magnesium-silicon-containing chromium-free zinc-aluminum 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:

[0075] Zinc aluminum alloy powder 25%

[0076] Nano silica 30%

[0077] Sodium lignosulfonate 12%

[0078] Benzotriazole 5%

[0079] Thiodiethylene glycol 0.2%

[0080] Triphenylphosphine 0.5%

[0081] Deionized water balance

[0082] The formula mass percentage of component B is:

[0083] Zirconium tetrafluoride 20%

[0084] γ-Aminopropyltriethoxysilane 20%

[0085] Phytate 10%

[0086] Acetyl cellulose 5%

[0087] Ethanol 5%

[0088] Deionized water balance

[0089] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, and Si.

[0090] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0091] The preparation method is the same as in Example 1.

Embodiment 3

[0093] A nickel-magnesium-silicon-containing chromium-free zinc-aluminum 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:

[0094] Zinc-aluminum alloy powder 40%

[0095] Nano silica 20%

[0096] Sodium lignosulfonate 18%

[0097] Benzotriazole 3%

[0098] Thiodiethylene glycol 0.5%

[0099] Triphenylphosphine 0.2%

[0100] Deionized water balance

[0101] The formula mass percentage of component B is:

[0102] Zirconium tetrafluoride 30%

[0103] γ-Aminopropyltriethoxysilane 15%

[0104] Phytate 18%

[0105] Acetyl cellulose 2%

[0106] Ethanol 9%

[0107] Deionized water balance

[0108] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, and Si.

[0109] Wherein, the particle size of the nano-silicon dioxide is 20-50 nm.

[0110] The preparation method is the same as in Example 1.

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Abstract

The invention discloses non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon, which consists of 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-silicon dioxide, sodium lignosulphonate, benzotriazole, sulfo-diethylene glycol, triphenylphosphine, and deionized water; and the B component comprises the following raw materials: zirconium tetrafluoride, gamma-aminopropyl triethoxy silane, inositol hexaphosphate, cellaburate, alcohol, and deionized water. The allumen powder consists of Zn, Al, Ni, Mg and Si. The non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon has the characteristics of nontoxicity, innocuity, no pollution, low temperature immediate processing, simplicity in operation, wide source of raw materials, low price, clean production and the like.

Description

technical field [0001] The invention relates to a metal anti-corrosion coating, in particular to a chromium-free zinc-aluminum coating anti-corrosion coating containing nickel-magnesium-silicon. Background technique [0002] Chromium-free zinc-aluminum coating is a new surface treatment material developed to meet the VOC regulations and environmental protection requirements stipulated by the coating industry in various countries in the world, and replace the traditional Dacromet zinc-chromium coating process. [0003] Dacromet is the transliteration and abbreviation of DACROMET, referred to as Dacromet, Dacromet, and Dicroon. Domestically named as 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 abili...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/10
Inventor 张军
Owner TONGXIANG TONGDE ELECTRIC POWER FITTING
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