CN105002525A - Semi-bright nickel plating solution - Google Patents

Semi-bright nickel plating solution Download PDF

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Publication number
CN105002525A
CN105002525A CN201510519708.2A CN201510519708A CN105002525A CN 105002525 A CN105002525 A CN 105002525A CN 201510519708 A CN201510519708 A CN 201510519708A CN 105002525 A CN105002525 A CN 105002525A
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CN
China
Prior art keywords
semi
bright nickel
electroplate liquid
potential difference
agent
Prior art date
Application number
CN201510519708.2A
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Chinese (zh)
Inventor
沈秋
Original Assignee
无锡桥阳机械制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 无锡桥阳机械制造有限公司 filed Critical 无锡桥阳机械制造有限公司
Priority to CN201510519708.2A priority Critical patent/CN105002525A/en
Publication of CN105002525A publication Critical patent/CN105002525A/en

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Abstract

The invention relates to a semi-bright nickel plating solution. The solution comprises components in concentration as follows: 100-150 g/L of nickel sulfate, 50-100 g/L of nickel chloride, 20-50 g/L of lactic acid, 1-1.5 g/L of an additive and a pH regulator which regulates the pH of the plating solution to range from 4 to 5, wherein the additive comprises components, namely, a brightener, a potential difference stabilizer, a lubricant and a grain refiner in the weight ratio being 1:(1-5):(0.2-0.8):(0.5-1.5). According to the additive of the semi-bright nickel plating solution, the potential difference stabilizer can well regulate the potential difference between bright nickel and semi-bright nickel; the mass ratio of the brightener to the potential difference stabilizer to the lubricant to the grain refiner is controlled to be 1:(1-5):(0.2-0.8):(0.5-1.5), so that the plating brightness, the potential difference and the plating quality can be in a stable balance state.

Description

A kind of semi-bright nickel electroplate liquid
Technical field
The invention belongs to field of electroplating, be specifically related to a kind of semi-bright nickel electroplate liquid.
Background technology
Semi-bright nickel coating is as the indispensable prime coat of bright nickel plating, and the performance of semi-bright nickel plating solution directly affects the performance of the coating of acquisition.The potential difference of the coating obtained with existing semi-bright nickel plating solution plating is less and corrosion resisting property is poor.
As prior art discloses a kind of plate semi-bright nickel nickel-plating liquid and technique be: single nickel salt 240-280g/L, nickelous chloride 45-60g/L, boric acid 30-40g/L, 1,4-butynediol 0.2-0.3g/L, Glacial acetic acid 1.0-1.5g/L, sodium lauryl sulphate 0.01-0.02g/L; PH value 4.0-5.0, cathode current density 3-4A/dm 2.Workpiece after immersion plating is put into half bright plating solution immediately without washing, at temperature 55-60 DEG C, electroplates 4-6min.The potential difference of the plating piece that aforesaid method prepares is less and corrosion resisting property is poor.
Summary of the invention
Technical problem to be solved by this invention provides for the state of the art semi-bright nickel electroplate liquid that a kind of potential difference is high, corrosion resisting property is excellent.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of semi-bright nickel electroplate liquid, comprises the component of following concentration:
By weight, described additive comprises following component, brightening agent: potential difference stablizer: lubricant: grain-refining agent=1:1 ~ 5:0.2 ~ 0.8:0.5 ~ 1.5.
Wherein, described brightening agent is 2-Naphthol ethoxylate.
Wherein, described wetting agent is at least one in 2-ethylhexyl sodium sulfate and succinic acid dihexyl sodium sulfonate.
Wherein, described grain-refining agent is coconut oil fat polyoxyethylenated alcohol.
Wherein, described current potential stablizer comprises the component of following concentration:
Ethanol 1 ~ 5mol/L;
S-WAT 6 ~ 10mol/L;
Ferrous sulfate 0.8 ~ 1.2mol/L.
Compared with prior art, the invention has the advantages that: according to semi-bright nickel electroplate liquid additive provided by the present invention, potential difference stablizer can well regulate the potential difference between bright nickel and semi-bright nickel.And the mass ratio controlling brightening agent, potential difference stablizer, wetting agent and grain-refining agent is 1:1 ~ 5:0.2 ~ 0.8:0.5 ~ 1.5, coating bright property, potential difference, quality of coating can be made to be in a stable equilibrium state.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The semi-bright nickel electroplate liquid of the present embodiment, comprises the component of following concentration:
Additive comprises following component by mass, brightening agent: potential difference stablizer: lubricant: grain-refining agent=1:1:0.2:0.5, is the mass ratio between above-mentioned four kinds of materials.
Wherein, be 2-Naphthol ethoxylate.
Wherein, wetting agent is at least one in 2-ethylhexyl sodium sulfate and succinic acid dihexyl sodium sulfonate.
Wherein, grain-refining agent is coconut oil fat polyoxyethylenated alcohol.
Wherein, current potential stablizer comprises the component of following concentration:
Ethanol 1mol/L;
S-WAT 6mol/L;
Ferrous sulfate 0.8mol/L.
Electro-plating method: oil removing → wash → activate → wash → electroplate half light nickel → washing → plating light nickel → washing → drying → obtain plated item A1.
Each step condition is as follows:
Oil removing: add in Ultrasonic Cleaners 100g/L except oil solution (conventional degreaser), workpiece is immersed in and should removes in oil solution at 50 DEG C ultrasonic vibration 5 minutes.
Activation: workpiece is immersed in Acidwash solution (hydrochloric acid 300ml/L) and soaks 1 minute at 20 DEG C.
Plating semi-bright nickel: take workpiece as negative electrode, nickel plate is anode, carries out plating 10 minutes in half light nickel plating bath at 50 DEG C, and current density is 4A/dm 2.
Plating light nickel: take workpiece as negative electrode, nickel plate is anode, carries out plating 5 minutes in conventional light nickel plating bath at 50 DEG C, and current density is 4A/dm 2.
Embodiment 2
The semi-bright nickel electroplate liquid of the present embodiment, comprises the component of following concentration:
By weight, additive comprises following component, brightening agent: potential difference stablizer: lubricant: grain-refining agent=1:3:0.6:1.0.
Wherein, brightening agent is 2-Naphthol ethoxylate.
Wherein, wetting agent is at least one in 2-ethylhexyl sodium sulfate and succinic acid dihexyl sodium sulfonate.
Wherein, grain-refining agent is coconut oil fat polyoxyethylenated alcohol.
Wherein, current potential stablizer comprises the component of following concentration:
Ethanol 2mol/L;
S-WAT 8mol/L;
Ferrous sulfate 1mol/L.
Use the present embodiment electroplate liquid electric plating method reference example 1.
Embodiment 3
The present embodiment semi-bright nickel electroplate liquid, comprises the component of following concentration:
By weight, additive comprises following component, brightening agent: potential difference stablizer: lubricant: grain-refining agent=1:5:0.8:1.5.
Wherein, brightening agent is 2-Naphthol ethoxylate.
Wherein, wetting agent is at least one in 2-ethylhexyl sodium sulfate and succinic acid dihexyl sodium sulfonate.
Wherein, grain-refining agent is coconut oil fat polyoxyethylenated alcohol.
Wherein, current potential stablizer comprises the component of following concentration:
Ethanol 5mol/L;
S-WAT 10mol/L;
Ferrous sulfate 1.2mol/L.
Use the present embodiment electroplate liquid electric plating method reference example 1.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims (5)

1. a semi-bright nickel electroplate liquid, is characterized in that, comprises the component of following concentration:
Single nickel salt 100 ~ 150g/L;
Nickelous chloride 50 ~ 100g/L;
Lactic acid 20 ~ 50g/L;
Additive 1 ~ 1.5g/L;
PH adjusting agent makes pH=4 ~ 5 of described electroplate liquid;
By weight, described additive comprises following component, brightening agent: potential difference stablizer: lubricant: grain-refining agent=1:1 ~ 5:0.2 ~ 0.8:0.5 ~ 1.5.
2. semi-bright nickel electroplate liquid according to claim 1, is characterized in that: described brightening agent is 2-Naphthol ethoxylate.
3. semi-bright nickel electroplate liquid according to claim 1, is characterized in that: described wetting agent is at least one in 2-ethylhexyl sodium sulfate and succinic acid dihexyl sodium sulfonate.
4. semi-bright nickel electroplate liquid according to claim 1, is characterized in that: described grain-refining agent is coconut oil fat polyoxyethylenated alcohol.
5. semi-bright nickel electroplate liquid according to claim 1, is characterized in that, described current potential stablizer comprises the component of following concentration:
Ethanol 1 ~ 5mol/L;
S-WAT 6 ~ 10mol/L;
Ferrous sulfate 0.8 ~ 1.2mol/L.
CN201510519708.2A 2015-08-21 2015-08-21 Semi-bright nickel plating solution CN105002525A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110952116A (en) * 2019-12-27 2020-04-03 广州三孚新材料科技股份有限公司 Electroplating solution for manufacturing diamond wire for photovoltaic material cutting and preparation method thereof

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US3306831A (en) * 1963-10-30 1967-02-28 Cowles Chem Co Electroplating electrolytes
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CN1524136A (en) * 2001-03-13 2004-08-25 麦克德米德有限公司 Electrolyte media for the deposition of tin alloys and methods for depositing tin alloys
CN1468980A (en) * 2002-07-15 2004-01-21 董丽萍 Electroplating solution
CN1880512A (en) * 2006-05-11 2006-12-20 武汉大学 Trivalent chromium electroplating solution in sulfate system and method for preparing same
CN102482792A (en) * 2009-07-07 2012-05-30 赫伯特施密特有限公司 Nickel system
CN103415653A (en) * 2011-03-09 2013-11-27 麦克德米德尖端有限公司 Semi-bright nickel plating bath and method of using same
CN102953094A (en) * 2011-08-26 2013-03-06 比亚迪股份有限公司 Semi-bright nickel electroplating solution additive, semi-bright nickel electroplating solution and semi-bright nickel electroplating method
CN102758228A (en) * 2012-07-13 2012-10-31 深圳市华傲创表面技术有限公司 Sulfonic acid type semi-bright pure tin electroplating solution
CN102828207A (en) * 2012-09-13 2012-12-19 广东达志环保科技股份有限公司 Nickel electroplating solution and electroplating method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110952116A (en) * 2019-12-27 2020-04-03 广州三孚新材料科技股份有限公司 Electroplating solution for manufacturing diamond wire for photovoltaic material cutting and preparation method thereof

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