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Chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si

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

Active Publication Date: 2014-12-31
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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  • Chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si
  • Chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si
  • Chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A chrome-free zinc-aluminum coating anti-corrosion coating containing magnesium-titanium-manganese-silicon, 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, Mg, Mn, Ti and Si.

[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 magnesium-titanium-manganese-silicon:

[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. Slowly add nano-silica, zinc-aluminum alloy powder and stir for 2 hours, then let it stand;

[0038] (2) According to the formula in...

Embodiment 2

[0041] A chrome-free zinc-aluminum coating anti-corrosion coating containing magnesium-titanium-manganese-silicon, 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, Mg, Mn, Ti and Si.

[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 chrome-free zinc-aluminum coating anti-corrosion coating containing magnesium-titanium-manganese-silicon, 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, Mg, Mn, Ti and Si.

[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 chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si. The chrome-free zinc-aluminum-coating anti-corrosion paint consists of a component A and a component B which are in a mass ratio of 3: 1, wherein the component A contains the following raw materials: zinc-aluminum alloy powder, nano silicon dioxide, sodium lignin sulfonate, benzotriazol, thio-diethylene glycol, triphenyl phosphine and deionized water, and the component B contains the following raw materials: zirconium tetrafluoride, gamma-aminopropyl triethoxysilane, inositol hexaphosphate, cellaburate, ethanol and deionized water. The zinc-aluminum alloy powder consists of Zn, Al, Ti, Mg, Mn and Si. The chrome-free zinc-aluminum-coating anti-corrosion paint containing Mg, Ti, Mn and Si has the characteristics of non-toxicity, innocuousness, no pollution, low-temperature and fast processing, simplicity in operation, wide range of sources of raw materials, low cost, cleanness in 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 magnesium-titanium-manganese-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-corros...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/10
Inventor 李姗姗
Owner TONGXIANG TONGDE ELECTRIC POWER FITTING
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