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Nickel-magnesium-titanium-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating

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

Inactive Publication Date: 2015-05-13
江苏卫斯包装有限公司
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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-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating
  • Nickel-magnesium-titanium-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating
  • Nickel-magnesium-titanium-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A chromium-free zinc-aluminum coating anti-corrosion coating containing nickel-magnesium-titanium-manganese, 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:

[0031]

[0032] The formula mass percentage of component B is:

[0033]

[0034] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti and Mn.

[0035] Wherein, the particle size of the nano silicon dioxide is 20-50 nm.

[0036] The method for preparing the above-mentioned chromium-free zinc-aluminum coating anticorrosion coating containing nickel-magnesium-titanium-manganese:

[0037] (1) First, according to the formula in component A, weigh a certain amount of sodium lignosulfonate, benzotriazole, thiodiethylene glycol, and triphenylphosphine and dissolve them in deionized water, and then Slowly add nano-silica, zinc-aluminum alloy powder and stir for 2 hours, then let it stand;

[0038] (2) According to the f...

Embodiment 2

[0041] A nickel-magnesium-titanium-manganese-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:

[0042]

[0043] The formula mass percentage of component B is:

[0044]

[0045] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti and Mn.

[0046] Wherein, the particle size of the nano silicon dioxide is 20-50 nm.

[0047] The preparation method is the same as in Example 1.

Embodiment 3

[0049] A nickel-magnesium-titanium-manganese-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:

[0050]

[0051] The formula mass percentage of component B is:

[0052]

[0053] Wherein, the zinc-aluminum alloy powder is composed of Zn, Al, Ni, Mg, Ti and Mn.

[0054] Wherein, the particle size of the nano silicon dioxide is 20-50 nm.

[0055] The preparation method is the same as in Example 1.

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Abstract

The invention discloses nickel-magnesium-titanium-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating. The nickel-magnesium-titanium-manganese-containing chromium-free zinc aluminum coating corrosion-resistant coating consists of a component A and a component B, wherein the mass ratio of the component A to the component B is 3:1; the component A comprises the following raw materials: zinc aluminum alloy powder, nano-silicon dioxide, sodium lignosulphonate, benzotriazole, sulfo-diethylene glycol, triphenylphosphine and deionized water; the component B comprises the following raw materials: zirconium tetrafluoride, gamma-aminopropyl triethoxysilane, inositol hexaphosphate, cellulose acetate-butyrate, ethanol and deionized water; and the zinc aluminum alloy powder consists of Zn, Al, Ni and Mg. The product has the characteristics of no toxicity, no harm, no pollution, low-temperature quick treatment, simplicity in operation, wide sources of raw materials, low price, clean 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-manganese. 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-corrosi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/10
Inventor 马义
Owner 江苏卫斯包装有限公司
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