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Low-concentration long-acting pearl nickel electroplating additive, electroplating solution and electroplating method

An electroplating additive and pearl nickel technology, which is applied in the field of electroplating, can solve the problems of poor brightness and softness of pearl nickel coating, and achieve the effect of good sand removal efficiency and reduction of internal stress rate.

Pending Publication Date: 2022-04-22
广州萱怡环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are mainly two kinds of pearl nickel coatings: composite electroplating method and emulsifier method. Among them, the emulsifier method is widely used, but the bright effect of the pearl nickel coating obtained by adding the existing emulsifier is not good and not soft.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Ultra-low concentration, long-acting additives for pearl nickel electroplating in low-concentration, long-acting pearl nickel electroplating methods, including building bath agent, auxiliary agent and coarse and fine sand agent, described bath building agent includes 80g / L sodium saccharin and 5g / L The sodium allyl sulfonate of L, described adjuvant comprises hydrophilic natural colloid 15g / L, and described coarse and fine sand dose comprises the polyoxyethylene of 0.2g / L succinate salt surfactant and 15g / L Alcohol surfactants, the basic electroplating nickel solution includes 260 / L nickel sulfate, 38g / L nickel chloride and 35g / L boric acid, add 10ml of bath builder and 8ml auxiliary agent and 0.5ml per liter of basic electroplating nickel solution The coarse and fine sand agent;

[0022] S01: Prepare a pearl nickel electroplating solution according to the composition and proportion of the above pearl nickel electroplating solution;

[0023] S02: adjust the pH value of...

Embodiment 2

[0026] Ultra-low concentration, long-acting additives for pearl nickel electroplating in the low-concentration, long-acting pearl nickel electroplating method, including building bath agent, auxiliary agent and coarse and fine sand agent, described bath building agent includes 90g / L sodium saccharin and 30g / L The sodium allyl sulfonate of L, described adjuvant comprises hydrophilic natural colloid 18g / L, and described coarse and fine sand dose comprises the polyoxyethylene of the succinate salt surfactant of 0.3g / L and 15g / L Alcohol surfactants, the basic electroplating nickel solution includes 260 / L nickel sulfate, 38g / L nickel chloride and 35g / L boric acid, add 10ml of bath builder and 8ml auxiliary agent and 0.5ml per liter of basic electroplating nickel solution The coarse and fine sand agent;

[0027] S01: Prepare a pearl nickel electroplating solution according to the composition and proportion of the above pearl nickel electroplating solution;

[0028] S02: adjust the ...

Embodiment 3

[0031] Ultra-low concentration, long-acting additives for pearl nickel electroplating in the low-concentration, long-acting pearl nickel electroplating method, including building bath agent, auxiliary agent and coarse and fine sand agent, described bath building agent includes 90g / L sodium saccharin and 30g / L The sodium allyl sulfonate of L, described adjuvant comprises hydrophilic natural colloid 18g / L, and described coarse and fine sand dose comprises the polyoxyethylene of the succinate salt surfactant of 0.3g / L and 15g / L Alcohol surfactant, the basic electroplating nickel solution includes 270 / L nickel sulfate, 38g / L nickel chloride and 35g / L boric acid, add 10ml of bath building agent and 8ml of auxiliary agent and 0.5ml to each liter of basic electroplating nickel solution The coarse and fine sand agent;

[0032] S01: Prepare a pearl nickel electroplating solution according to the composition and proportion of the above pearl nickel electroplating solution;

[0033] S02...

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Abstract

The invention is suitable for the technical field of electroplating, and provides a low-concentration and long-acting pearl nickel electroplating additive, electroplating solution and electroplating method.The low-concentration and long-acting pearl nickel electroplating additive comprises a bath building agent and a coarse and fine sand agent and further comprises an auxiliary agent, the bath building agent comprises 80-120 g / L of saccharin sodium salt and 5-40 g / L of sodium allysulfonate, and the auxiliary agent comprises 15-30 g / L of hydrophilic natural colloid. The coarse and fine sand agent comprises 0.1-0.6 g / L of a succinate surfactant and 15-25 g / L of a polyoxyethylene alcohol surfactant. The nickel sulfate-based sand raising agent has the beneficial effects that the addition of the ultralow-concentration nickel sulfate can play a role in assisting the sand raising, the stability and the long-acting effect of the sand agent can be maintained by the aid of the auxiliary agent, and the coarse and fine sand agent and the bath building agent are good in auxiliary synergistic cooperation.

Description

technical field [0001] The invention belongs to the technical field of electroplating, and in particular relates to a low-concentration, long-acting pearl nickel electroplating additive, an electroplating solution and an electroplating method. Background technique [0002] Pearl nickel, also known as satin nickel, satin nickel, pitted nickel, is a coating with gorgeous appearance, fine and soft color, low internal stress, good corrosion resistance, and is a good protective decorative coating. The pearl nickel electroplating process first appeared in the 1950s and developed rapidly after the 1990s. Pearl nickel can be directly used as a protective decorative coating, and other metals, such as chromium, gold, silver, etc., can also be plated on pearl nickel, which has a stronger protective decorative effect. At present, pearl nickel coating has been widely used in automobile decoration, electronic products, daily hardware, stationery and other industries. [0003] At present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/18
CPCC25D3/18
Inventor 刘旭
Owner 广州萱怡环保科技有限公司
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