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Rare-earth salt plating assistant solvent

A technology of rare earth salts and solvents, applied in hot-dip plating process, metal material coating process, coating, etc., can solve the problems of zinc coating corrosion resistance and service life, difficult to realize products, and aggravated coating corrosion. Achieve the effect of bright appearance, improved refractive index and anti-corrosion

Active Publication Date: 2013-03-20
TIANCHANG FEILONG BRAND STEEL GRID
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Due to the deterioration of the global atmospheric environment quality, the content of some corrosive gases such as some acid gases in the air is increasing day by day, and the corrosion of the coating is intensified. The corrosion resistance and service life of single metal coatings, especially zinc coatings, have been difficult to meet the material protection requirements of modern industries. , Therefore, for zinc-aluminum alloys or aluminum-zinc alloys that require high corrosion resistance, there are defects such as high manufacturing costs and difficult product realization.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A rare earth salt fluxing solvent is proposed, the components and corresponding component contents are as follows (calculated by molar ratio): ammonium chloride: 5%-25%; zinc oxide: 3%-20%; KBX: 0.5-2.0% ; the remainder of the water.

Embodiment 2

[0017] A rare earth salt plating flux is proposed, the components and corresponding component contents are as follows (calculated by molar ratio): ammonium chloride: 15%; zinc oxide: 10%; KBB: 1.5%; the balance is water. Among them, KBX is preferably potassium beryllium borate, namely KBB, whose chemical formula is KBe 2 B 3 o 7 , X can also be a sulfate ion or the like.

[0018] Through the combination of the rare earth salt plating aid solvent proposed by the present invention, after the base metal is subjected to hot-dip plating treatment, a layer of composite surface film is formed on the surface of the base metal. The composite surface film has a mechanical protection effect, and at the same time, the composite surface film has an isolation effect , At the same time, it can increase the resistance of the electrochemical system to inhibit the electrochemical process, so it can slow down the corrosion. At the same time, due to the improvement of the surface state of the c...

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Abstract

The invention discloses a rare-earth salt plating assistant solvent comprising the following components in molar ratio: 5-25% of ammonium chloride, 3-20% of zinc oxide, 0.5-2.0% of KBX and the balance of water. Hot dipping treatment is carried out on a base metal, so that the mechanical performance of the base metal can be enhanced, the oxidation resistance of the base metal is enhanced, and the base metal is more beautiful.

Description

technical field [0001] The invention relates to a rare earth salt plating flux. Background technique [0002] At present, the domestic anti-corrosion coating of base metal mainly includes different systems such as electro-galvanizing, hot-dip galvanizing, aluminum, zinc-aluminum alloy, etc., using the above-mentioned process method, a layer of corrosion-resistant single-metal coating is coated on the surface of the base metal to realize Protection of the base metal. [0003] Due to the deterioration of the global atmospheric environment quality, the content of some corrosive gases such as some acid gases in the air is increasing day by day, and the corrosion of the coating is intensified. The corrosion resistance and service life of single metal coatings, especially zinc coatings, have been difficult to meet the material protection requirements of modern industries. , Therefore, for zinc-aluminum alloys or aluminum-zinc alloys that require high corrosion resistance, there a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/04
Inventor 孙长志
Owner TIANCHANG FEILONG BRAND STEEL GRID
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