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Electrochromism solution for gridiron and electrochromism method thereof

A technology for electroplating chromium and solution, applied in the field of metal surface treatment, can solve the problems of unsuitable chromium electroplating and simple composition, and achieve the effects of strong corrosion resistance, enhanced coating thickness and enhanced coating activity

Inactive Publication Date: 2016-11-30
苏州市相城区星火粉沫涂料厂
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Problems solved by technology

However, although the electroplating solution provided by this patent adopts trivalent chromium chloride, its composition is simple, and the electroplating effect is questionable, and it is not suitable for the electroplating of grills.

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  • Electrochromism solution for gridiron and electrochromism method thereof
  • Electrochromism solution for gridiron and electrochromism method thereof

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Embodiment Construction

[0029] The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the manufacturer's conditions, and the unspecified implementation conditions are usually conventional experimental conditions.

[0030] An electroplating solution for grills provided by the present invention, the solution includes the following components by weight: trivalent chromium salt: 40-50 parts, cobalt sulfate: 20-30 parts, sodium sulfate: 10-20 parts, Potassium sulfate: 15-25 parts, magnesium sulfate: 15-30 parts, sodium dodecyl sulfate: 5-10 parts, nano-aluminum nitride: 5-10 parts, sodium dodecylbenzenesulfonate: 1-5 parts Parts, dibutyltin diacetate: 1-5 parts, complexing agent: 1-5 parts, complexing agent: 1-5 parts, conductive salt: 1-5 parts, buffer agent: 1-5 parts, organic additives: 1 ~5 parts, deionized water: 80~100 parts.

[0...

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Abstract

The invention provides an electrochromism solution for a gridiron and an electrochromism method thereof. The solution comprises, by weight parts, 40-50 parts of chromic salt, 20-30 parts of cobalt sulfate, 10-20 parts of sodium sulphate, 15-25 parts of potassium sulfate, 15-30 parts of magnesium sulfate, 5-10 parts of sodium dodecyl sulfate, 5-10 parts of nano-sized aluminum nitride, 1-5 parts of sodium dodecylbenzene sulfonate, 1-5 parts of dibutyltin diacetate, 1-5 parts of complex agent, 1-5 parts of coordination agent, 1-5 parts of conducting salt, 1-5 parts of buffering agent, 1-5 parts of organic additives and 80-100 parts of deionized water. The chromic salt is adopted for the electrochromism solution, and the electrochromism solution is environmentally friendly and favorable for production workers' health, does not contain harmful metals such as lead, cadmium and mercury and is high in plating thickness, hardness and corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and in particular relates to a chromium electroplating solution for a grill and a chromium electroplating method thereof. Background technique [0002] Chromium is a silver-white metal with a slight bluish tint, its relative atomic mass is 51.99, and its density is 6.98-7.21g / cm 3 , the melting point is 1875-1920 ° C, metal chromium is easily passivated in the air, and a very thin passivation film is formed on the surface, thus showing the properties of noble metals. [0003] The chromium plating layer has a high hardness, and its hardness can vary within a wide range of 400-1200HV according to the composition of the plating solution and the process conditions. The chrome-plated layer has good heat resistance. When heated below 500°C, its gloss and hardness will not change significantly. When the temperature is higher than 500°C, it will start to oxidize and change color, and the...

Claims

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Application Information

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IPC IPC(8): C25D3/06
CPCC25D3/06
Inventor 钱春宇
Owner 苏州市相城区星火粉沫涂料厂
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