CN104195599A - Acidic electroplating zinc-nickel alloy additive and electroplating solution - Google Patents
Acidic electroplating zinc-nickel alloy additive and electroplating solution Download PDFInfo
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- CN104195599A CN104195599A CN201410004488.5A CN201410004488A CN104195599A CN 104195599 A CN104195599 A CN 104195599A CN 201410004488 A CN201410004488 A CN 201410004488A CN 104195599 A CN104195599 A CN 104195599A
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Abstract
The invention relates to an acidic electroplating zinc-nickel alloy electroplating solution. The electroplating solution comprises 20-45 g/L of zinc ion, 20-40 g/L of nickel ion, 130-230 g/L of chloride ion, 15-25 g/L of boric acid, a weakly acidic solution having a pH value of 5.1-5.8, a brightener that is 1-12 mL/L of benzalacetone, a throwing agent that is 3-30 mL/L of polyoxyethylene nonylphenol ether, a base agent that is 10-50 mL/L of disodium ethylenediaminetetraacetate dihydrate, and other auxiliary complexing agents, with the balance being water. Compared with the prior art, the beneficial effects and advantages of the electroplating solution are that: the efficiency is increased by more than 30% than the efficiency of traditional alkaline zinc plating, thus increasing productivity of a factory and improving energy utilization; and because the pH of the acidic zinc-nickel solution is higher than the pH in traditional acidic zinc-nickel processes, the service lifetime of equipment can be largely prolonged, and the worker operation environment is improved.
Description
Technical field
The present invention relates to a kind of electroplating technology field, be specifically related to a kind of acid electroplating admiro additive, electroplate liquid and electroplating technology thereof.
Background technology
Component surface acquisition zn-ni alloy deposits in steel product carrys out reinforcement metal surface anticorrosive sexual function.Wherein, because zn alloy coating belongs to sacrifice property coating, this is the potential difference based between metal substrate and alloy layer, potential difference between the potential difference between alloy substrate is lower than Zinc Matrix; Under comparatively high temps, zinc has oxidized tendency, but a small amount of nickel component codeposition has reduced oxygenizement, when nickel content is less than 10%, is anodic protection, and being greater than 10% is galvanic protection.Just can obtain the highest protective value 8～15% time.But current known Zinc-nickel alloy electroplating liquid is all to take the alkali plating solution that sodium hydroxide is main salt, (PH10～14) although the admiro plating solution of this alkalescence has good covering power, exist a lot of shortcomings simultaneously: (1), current efficiency are low; The current efficiency of common this alkali zinc nickel alloy electroplating bath, at 50-60%, has caused a large amount of electric energy losses; (2), produce prussiate; This alkali zinc nickel alloy prior can produce prussiate under electrochemical reaction, has increased the difficulty of sewage disposal, the requirement of running counter to national environmental protection, and because be violent in toxicity, human body has also been produced to titanic peril; (3), produce sodium carbonate; Because alkali zinc nickel alloy prior is to take sodium hydroxide as main salt, and carbon dioxide reaction produced a large amount of sodium carbonate, thereby makes plating solution accelerated deterioration, and efficiency is extremely low; (4), subject range is little; Cannot directly apply to the electroplating surface of the industry products such as cast iron, powder metallurgy; (5), bonding force is poor; Alkali zinc nickel technique needs preplating acidic zinc bottom conventionally, then cover plating alkali zinc nickel, because the crystalline structure of acidic zinc and alkali zinc nickel is different, so use procedure in tend to because of bonding force poorly, cause that coating comes off, cruelly splits etc.In addition, the PH of the electroplate liquid that existing acidic zinc nickelalloy adopts is 4-5 most, is not suitable for the plating of workpiece, and larger to the corrodibility of equipment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of efficient and lower acidic zinc nickel alloy electricity technique of corrodibility.
The technical solution adopted in the present invention is: a kind of acid electroplating admiro additive, comprises following component: brightening agent: 1-12ml/L benzylideneacetone; Agent walks: 3-30ml/L polyoxyethylene nonylphenol ether; Bodying agent: 10-50ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers.
The present invention also discloses a kind of acid electroplating admiro plating solution containing above-mentioned additive, it consists of zinc ion concentration: 20-45g/L, nickel ion concentration 20-40g/L, chlorine ion concentration: 130-230 g/L, boric acid 15-25g/L, PH is the weakly acidic solution of 5.1-5.8, brightening agent: 1-12ml/L benzylideneacetone; Agent walks: 3-30ml/L polyoxyethylene nonylphenol ether; Bodying agent: 10-50ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers, excess water.
Compared with prior art, advantage of the present invention and beneficial effect:
1. than traditional alkaline zinc plating improved efficiency, more than 30%, improve production capacity and the energy utilization of factory.
2. the acidic zinc nickel solution PH adopting due to the present invention is higher than traditional acid zinc-nickel technique, greatly the work-ing life of extension device, optimizes operating personnel's operating environment.
Embodiment
Below by embodiment, the present invention is described in further detail, but the present invention is not only confined to following examples.
embodiment 1
Acid electroplating admiro additive and an electroplate liquid, is characterized in that, it consists of zinc ion concentration: 45g/L, nickel ion concentration 40g/L, chlorine ion concentration: 230 g/L, boric acid 25g/L, PH is 5.8 weakly acidic solution, brightening agent: 12ml/L benzylideneacetone; Agent walks: 30ml/L polyoxyethylene nonylphenol ether; Bodying agent: 50ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers, excess water.
embodiment 2
Acid electroplating admiro additive and an electroplate liquid, is characterized in that, it consists of zinc ion concentration: 20g/L, nickel ion concentration 20g/L, chlorine ion concentration: 130 g/L, boric acid 15g/L, PH is 5.1 weakly acidic solution, brightening agent: 3ml/L benzylideneacetone; Agent walks: 5ml/L polyoxyethylene nonylphenol ether; Bodying agent: 20ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers, excess water.
implementation column 3
Acid electroplating admiro additive and an electroplate liquid, is characterized in that, it consists of zinc ion concentration: 35g/L, nickel ion concentration 40g/L, chlorine ion concentration: 180 g/L, boric acid 20g/L, PH is 5.4 weakly acidic solution, brightening agent: 10ml/L benzylideneacetone; Agent walks: 25ml/L polyoxyethylene nonylphenol ether; Bodying agent: 30ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers, excess water.
In sum, the present invention has than traditional alkaline zinc plating improved efficiency more than 30%, improves production capacity and the energy utilization of factory; The acidic zinc nickel solution PH adopting due to the present invention is higher than traditional acid zinc-nickel technique, work-ing life of extension device greatly, optimizes the advantage of operating personnel's operating environment.
Claims (2)
1. an acid electroplating admiro additive, is characterized in that, comprises following component: brightening agent: 1-12ml/L benzylideneacetone; Agent walks: 3-30ml/L polyoxyethylene nonylphenol ether; Bodying agent: 10-50ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers.
2. the acid electroplating admiro plating solution containing additive described in claim 1, it is characterized in that, it consists of zinc ion concentration: 20-45g/L, nickel ion concentration 20-40g/L, chlorine ion concentration: 130-230 g/L, boric acid 15-25g/L, the weakly acidic solution that PH is 5.1-5.8, brightening agent: 1-12ml/L benzylideneacetone; Agent walks: 3-30ml/L polyoxyethylene nonylphenol ether; Bodying agent: 10-50ml/L disodium ethylene diamine tetraacetate, and comprise other auxiliary complex-formers, excess water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410004488.5A CN104195599A (en) | 2014-01-06 | 2014-01-06 | Acidic electroplating zinc-nickel alloy additive and electroplating solution |
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| CN201410004488.5A CN104195599A (en) | 2014-01-06 | 2014-01-06 | Acidic electroplating zinc-nickel alloy additive and electroplating solution |
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| CN104195599A true CN104195599A (en) | 2014-12-10 |
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| CN201410004488.5A Pending CN104195599A (en) | 2014-01-06 | 2014-01-06 | Acidic electroplating zinc-nickel alloy additive and electroplating solution |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499014A (en) * | 2014-12-15 | 2015-04-08 | 钢铁研究总院 | Neodymium-iron-boron electrogalvanizing iron weakly-acidic chloride system additive and preparation thereof |
| CN104651888A (en) * | 2015-03-04 | 2015-05-27 | 武汉风帆电镀技术股份有限公司 | High corrosion resistance zinc-nickel alloy electroplating additive with weak acidity to neutrality and electroplating liquid |
| CN104694983A (en) * | 2015-03-19 | 2015-06-10 | 南通创源电化学科技有限公司 | Acidic electroplating zinc-nickel alloy electrolyte, preparation method and electroplating method |
| CN105002532A (en) * | 2015-08-21 | 2015-10-28 | 哈尔滨工业大学 | Low-bubble weak-acid chloride zinc-nickel alloy electroplate liquid |
| CN106894064A (en) * | 2017-04-01 | 2017-06-27 | 南通市海王电气有限公司 | A kind of special acid electroplated zinc nickel alloy electrolyte of transformer case casting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499014A (en) * | 2014-12-15 | 2015-04-08 | 钢铁研究总院 | Neodymium-iron-boron electrogalvanizing iron weakly-acidic chloride system additive and preparation thereof |
| CN104651888A (en) * | 2015-03-04 | 2015-05-27 | 武汉风帆电镀技术股份有限公司 | High corrosion resistance zinc-nickel alloy electroplating additive with weak acidity to neutrality and electroplating liquid |
| CN104694983A (en) * | 2015-03-19 | 2015-06-10 | 南通创源电化学科技有限公司 | Acidic electroplating zinc-nickel alloy electrolyte, preparation method and electroplating method |
| CN105002532A (en) * | 2015-08-21 | 2015-10-28 | 哈尔滨工业大学 | Low-bubble weak-acid chloride zinc-nickel alloy electroplate liquid |
| CN106894064A (en) * | 2017-04-01 | 2017-06-27 | 南通市海王电气有限公司 | A kind of special acid electroplated zinc nickel alloy electrolyte of transformer case casting |
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Application publication date: 20141210 |