CN105297085A - Nickel plating liquid and method for preparing nickel-based plating layer by using same - Google Patents
Nickel plating liquid and method for preparing nickel-based plating layer by using same Download PDFInfo
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- CN105297085A CN105297085A CN201510531349.2A CN201510531349A CN105297085A CN 105297085 A CN105297085 A CN 105297085A CN 201510531349 A CN201510531349 A CN 201510531349A CN 105297085 A CN105297085 A CN 105297085A
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Abstract
The invention discloses nickel plating liquid and a method for preparing a nickel-based plating layer by using the same. The nickel plating liquid comprises nickel salt, a complexing agent, a pH adjusting agent, a composite, a brightening agent and water. The method for preparing the nickel-based plating layer by using the nickel plating liquid comprises the following steps: (1) the oil removal and the cleaning are performed for a metal surface; (2) metal is contacted with pure aluminum or zinc; and the two are dipped in the nickel plating liquid for plating; and (3) after the plating is finished, the metal surface is flushed and blown. The nickel plating liquid contains no traditional reducing agent, stable in plating liquid and low in cost; the nickel-based plating layer preparation process is few in steps, short in time consumption, simple in operation and easy to be controlled; and the prepared nickel-based plating layer has such advantages as excellent bonding force and excellent corrosion preventing and wear reducing performance.
Description
Technical field
The present invention relates to a kind of nickel-plating liquid and use it to prepare the method for nickel-base plating coat, belong to field of metal surface treatment technology.
Background technology
Nickel coating has that solidity to corrosion is strong, wear resistance good and polishing degree advantages of higher, and by by other metal (as iron, cobalt, copper, zinc etc.) or mixture (as SiC, Al
2o
3, ZrO
2, graphite, Graphene, PTFE etc.) nickel-base plating coat prepared with nickel codeposition has more excellent performance, can meet the demand of different occasion.Based on above-mentioned characteristic, nickel coating has a wide range of applications in a lot of as protection and decorative coating.Because electroless plating technology has the features such as low, the simple to operate and imitative type of cost is good, therefore electroless plating prepares one of method that nickel coating comparatively commonly uses.
So-called chemical nickel plating is according to principle of oxidation and reduction, utilizes reductive agent (being generally hypophosphite, hydroborate, hydrazine, formaldehyde etc.), the nickel ion in solution is reduced into metallic nickel and is deposited on the method that substrate surface forms close coating.But the reductive agent that chemical nickel plating uses has significant damage to environment and human body, and obviously can reduce the stability of chemical plating fluid, improve the cost of plating solution maintenance and adjustment.In addition, more metal (as copper etc.) is non-catalytic metal, directly can not carry out electroless plating, and must carry out chemistry or electrochemical activation to it, complicated operation, process costs is high.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, and provide a kind of nickel-plating liquid and use it to prepare the method for nickel-base plating coat, preparation method's flow process of the present invention is few, and consuming time short, cost is low, simple to operate, and process is easy to control.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of nickel-plating liquid, is characterized in that: described nickel-plating liquid comprises nickel salt, complexing agent, pH adjusting agent, mixture, brightening agent and water.
In such scheme preferably, described nickel-plating liquid comprises the following each component of weight part: nickel salt 20-80 part, complexing agent 40-200 part, pH adjusting agent 1-200 part, mixture 0-40 part, brightening agent 0-2 part, 1000 parts, water.
The present invention is by carrying out the component of described nickel-plating liquid and proportioning preferably, the nickel-base plating coat obtained can being made to have good bonding force, the performances such as outstanding anticorrosion anti-attrition.
In above-mentioned either a program preferably, described nickel-plating liquid comprises the following each component of weight part: nickel salt 20-80 part, complexing agent 40-200 part, pH adjusting agent 0.1-200 part, mixture 0-40 part, brightening agent 0-2 part, 1000 parts, water.
In above-mentioned either a program preferably, described nickel salt is selected from one or more in single nickel salt, nickelous chloride, nickel acetate, nickelous carbonate.
In above-mentioned either a program preferably, described complexing agent is selected from one or more in tartrate, Citrate trianion, edetate, pyrophosphate salt, ammonium salt.
In above-mentioned either a program preferably, described pH adjusting agent is selected from one or more in sodium hydroxide, potassium hydroxide, ammoniacal liquor.
In above-mentioned either a program preferably, described mixture is selected from molysite (ferrous sulfate, ferrous ammonium sulphate etc.), cobalt salt (rose vitriol etc.), mantoquita (copper sulfate etc.), zinc salt (zinc sulfate etc.), SiC, Al
2o
3, ZrO
2, graphite, Graphene, one or more in polytetrafluoroethylene (PTFE).
In above-mentioned either a program preferably, described brightening agent is selected from one or more in asccharin, cupric ion.When cupric ion is brightening agent, concrete ionic forms and valence state can be selected according to common practise.
The present invention by selection to nickel salt, complexing agent, pH adjusting agent, mixture, brightening agent, can make nickel-plating liquid be alkaline, more stable, cost is low, and has good plating performance, while not easily corrosion is caused to metallic matrix.
The present invention also provides described nickel-plating liquid to prepare the method for nickel-base plating coat, comprises following steps:
(1) oil removing and cleaning are carried out to metallic surface;
(2) metal is contacted with fine aluminium or zinc, and immerse in plating solution together, carry out plating;
(3), after plating completes, metallic surface is rinsed and dries up.
In above-mentioned either a program preferably, described metal is one or more in copper, copper alloy, iron, iron alloy, titanium, titanium alloy.
In above-mentioned either a program preferably, controlling bath temperature during plating is 20-80 DEG C, and plating time is 5-200 minute.
Usually can comprise reductive agent in existing nickel-plating liquid, reductive agent provides electronics and reduced nickel, thus makes that the cost of plating solution improves, bad stability; and plating solution of the present invention does not need reductive agent; but providing electron reduction nickel by aluminium or zinc, plating solution cost is low, good stability.In addition, copper plating nickel on surface can not directly carry out under normal circumstances, need activation or draw plated journey, and the present invention does not need these, single stage method can directly realize copper plating nickel on surface.
The present invention adopts special process, does not use traditional reductive agent (hypophosphite, hydroborate, hydrazine, formaldehyde etc.), does not need reactivation process, realizes the nickel-base plating coat in the preparation of metallic surface Direct precipitation with good combination power and outstanding anticorrosion Wear vesistance.
The present invention has following beneficial effect:
By selecting the component of described plating solution and proportioning in the present invention, finally obtaining the formula that can realize optimum plating effect, not using traditional reductive agent (hypophosphite, hydroborate, hydrazine, formaldehyde etc.), reduce the cost of plating solution.Method of the present invention directly can prepare nickel-base plating coat in metallic surface deposition in addition; Plating solution, in alkalescence, not easily causes corrosion to metallic matrix; Nickel-plating liquid of the present invention does not contain traditional reductive agent, bath stability, and cost is low; The process flow preparing nickel-base plating coat is few, consuming time short, simple to operate, and process is easy to control; The nickel-base plating coat prepared has good bonding force, the advantages such as outstanding anticorrosion Wear vesistance.Coating prepared by the present invention, compared with art methods, reduces the cost of plating solution, improves the stability of plating solution, simplifies the process of plating.
Accompanying drawing explanation
Fig. 1 is the photo before and after the copper nickel plating of embodiments of the invention 1;
Fig. 2 be embodiments of the invention 1 copper nickel plating before and after dynamic potential polarization curve in 3.5%NaCl solution;
Fig. 3 is the photo before and after the copper nickel-clad iron of embodiments of the invention 2;
Fig. 4 be embodiments of the invention 2 copper nickel-clad iron before and after dynamic potential polarization curve in 3.5%NaCl solution.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
embodiment 1
1, a nickel-plating liquid, comprises each component that weight is following: single nickel salt 25g, Seignette salt 70g, sodium hydroxide 30g, water 1000g
.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with fine aluminium by copper, and immerse in above-mentioned plating solution in time, is under the condition of 60 DEG C in temperature, plating 40 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the nickel coating with good appearance through above-mentioned Technology, the bonding force of surface nickel coating and copper is good.Fig. 1 is shown in by photo before and after copper nickel plating, and the dynamic potential polarization curve before and after copper nickel plating in 3.5%NaCl solution is shown in Fig. 2.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 80%, and wear rate have dropped 41%.
embodiment 2:
1, a nickel-plating liquid, comprises each component that weight is following: plating solution consists of: single nickel salt 30g, ferrous sulfate 10g, Seignette salt 120g, water 1000g, and the aqueous sodium hydroxide solution of 10% regulates the pH value of plating solution to be 12.0.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) copper is contacted with aluminium flake, and immerse in above-mentioned alkali cleaning plating solution in time, and utilize.Be under the condition of 70 DEG C in temperature, plating 60 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the ferronickel coating with good appearance through above-mentioned Technology, the bonding force of surface nickel iron plating and copper is good.Fig. 3 is shown in by photo before and after copper nickel-clad iron, and the dynamic potential polarization curve before and after copper nickel-clad iron in 3.5%NaCl solution is shown in Fig. 4.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 82%, and wear rate have dropped 49%.
embodiment 3:
1, a nickel-plating liquid, comprises each component that weight is following: plating solution consists of: single nickel salt 20g/L, Seignette salt 100g/L, analytical pure ammoniacal liquor 200ml, water 1000g;
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with aluminium flake by copper, and immerse in alkali cleaning plating solution in time, is under the condition of 30 DEG C in temperature, plating 15 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the nickel coating with good appearance through above-mentioned Technology, the bonding force of surface nickel coating and copper is good.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 67%.Wear rate have dropped 43%.
embodiment 4:
1,a kind of nickel-plating liquid, comprises each component that weight is following: single nickel salt 20g, zinc sulfate 2g, Seignette salt 100g, water 1000g, and utilizes the aqueous sodium hydroxide solution of 10% to regulate the pH value of plating solution to be 12.0.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with aluminium flake by copper, and immerse in alkali cleaning plating solution in time, is under the condition of 70 DEG C in temperature, plating 60 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the nickel zinc coating with good appearance through above-mentioned Technology, the bonding force of surface nickel zinc coating and copper is good.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 73%, and wear rate have dropped 39%.
embodiment 5:
1,a kind of nickel-plating liquid, comprises each component that weight is following: single nickel salt 25g, rose vitriol 5g, Seignette salt 70g, sodium hydroxide 30g, water 1000g.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with fine aluminium sheet by copper, and immerse in plating solution in time, is under the condition of 60 DEG C in temperature, plating 40 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the nickel cobalt coating with good appearance through above-mentioned Technology, the bonding force of surface nickel cobalt coating and copper is good.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 76%, and wear rate have dropped 42%.
embodiment 6:
1, a nickel-plating liquid, comprises each component that weight is following: nickelous chloride 20g, Trisodium Citrate 40g, potassium hydroxide 1g, water 1000g
.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with fine aluminium by copper, and immerse in above-mentioned plating solution in time, is under the condition of 60 DEG C in temperature, plating 30 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
Obtain the nickel coating with good appearance through above-mentioned Technology, the bonding force of surface nickel coating and copper is good.Relative to copper substrate, after nickel plating, the corrosion electric current density of copper have dropped 79%, and wear rate have dropped 53%.
embodiment 7:
1, a nickel-plating liquid, comprises each component that weight is following: nickel acetate 80g, disodium ethylene diamine tetraacetate 200g, potassium hydroxide 200g, Al
2o
310g, asccharin 2g, water 1000g.
2, nickel-plating liquid described in the present embodiment prepares the method for nickel-base plating coat, and it comprises the following steps:
(1) oil removing and cleaning are carried out to copper surface;
(2) being contacted with fine aluminium by copper, and immerse in above-mentioned plating solution in time, is under the condition of 80 DEG C in temperature, plating 200 minutes;
(3), after plating completes, copper surface is rinsed and dried up.
The nickel coating with good appearance is obtained, surperficial Ni-Al through above-mentioned Technology
2o
3the bonding force of coating and copper is good.Relative to copper substrate, plating Ni-Al
2o
3the corrosion electric current density of rear copper have dropped 63%, and wear rate have dropped 91%.
Embodiment 1-7 result shows, can obtain high-quality nickel-base plating coat by this fabricating technology in metallic surface.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a nickel-plating liquid, is characterized in that: described nickel-plating liquid comprises nickel salt, complexing agent, pH adjusting agent, mixture, brightening agent and water.
2. nickel-plating liquid according to claim 1, is characterized in that: described nickel-plating liquid comprises the following each component of weight part: nickel salt 20-80 part, complexing agent 40-200 part, pH adjusting agent 0.1-200 part, mixture 0-40 part, brightening agent 0-2 part, 1000 parts, water.
3. nickel-plating liquid according to claim 1 and 2, is characterized in that: described nickel salt is selected from one or more in single nickel salt, nickelous chloride, nickel acetate, nickelous carbonate.
4. nickel-plating liquid according to claim 1 and 2, is characterized in that: described complexing agent is selected from one or more in tartrate, Citrate trianion, edetate, pyrophosphate salt, ammonium salt.
5. nickel-plating liquid according to claim 1 and 2, is characterized in that: described pH adjusting agent is selected from one or more in sodium hydroxide, potassium hydroxide, ammoniacal liquor.
6. nickel-plating liquid according to claim 1 and 2, is characterized in that: described mixture is selected from molysite, cobalt salt, mantoquita, zinc salt, SiC, Al
2o
3, ZrO
2, graphite, Graphene, one or more in tetrafluoroethylene.
7. Ni-based plating solution according to claim 1 and 2, is characterized in that: described brightening agent is selected from one or more in asccharin, cupric ion.
8. use the nickel-plating liquid according to any one of claim 1 to 7 to prepare the method for nickel-base plating coat, comprise following steps:
(1) oil removing and cleaning are carried out to metallic surface;
(2) metal is contacted with fine aluminium or zinc, and immerse in plating solution together, carry out plating;
(3), after plating completes, metallic surface is rinsed and dries up.
9. method according to claim 8, is characterized in that: described metal is one or more in copper, copper alloy, iron, iron alloy, titanium, titanium alloy.
10. method according to claim 8 or claim 9, is characterized in that: controlling bath temperature during plating is 20-80 DEG C, and plating time is 5-200 minute.
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| CN106119910A (en) * | 2016-08-31 | 2016-11-16 | 佛山市仁昌科技有限公司 | A kind of nano nickel solution and utilize it that communication filter is carried out electric plating method |
| CN106119908A (en) * | 2016-08-16 | 2016-11-16 | 王世群 | A kind of scaffold nano-particles reinforcement electroplate liquid |
| CN106419209A (en) * | 2016-11-10 | 2017-02-22 | 无锡市明盛强力风机有限公司 | Self-lubricating sliding rail |
| CN106702446A (en) * | 2016-12-26 | 2017-05-24 | 重庆派馨特机电有限公司 | Stirring head surface treatment process |
| CN107287580A (en) * | 2017-06-16 | 2017-10-24 | 河南晶泰航空航天高新材料科技有限公司 | A kind of chemical nickel plating method of aluminum matrix composite |
| CN107523816A (en) * | 2017-08-23 | 2017-12-29 | 广东光华科技股份有限公司 | Chemical nickel plating phosphor bath |
| CN108221012A (en) * | 2018-01-03 | 2018-06-29 | 西北工业大学 | A kind of Fe-Ni/ZrO2The electro-deposition preparation method of nanocomposite |
| CN111501071A (en) * | 2020-05-26 | 2020-08-07 | 珠海冠宇电池股份有限公司 | Nickel electrodeposition layer and workpiece comprising same |
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| CN111636090A (en) * | 2020-05-26 | 2020-09-08 | 珠海冠宇电池股份有限公司 | Nickel-polytetrafluoroethylene coating and wear-resistant anti-static coil needle containing same |
| CN111663159A (en) * | 2020-06-23 | 2020-09-15 | 上海理工大学 | Preparation method of wear-resistant silicon carbide doped composite coating |
| CN114990458A (en) * | 2022-07-20 | 2022-09-02 | 中国科学院兰州化学物理研究所 | Nickel plating method for iron-based metal part |
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| CN106119908A (en) * | 2016-08-16 | 2016-11-16 | 王世群 | A kind of scaffold nano-particles reinforcement electroplate liquid |
| CN106119910A (en) * | 2016-08-31 | 2016-11-16 | 佛山市仁昌科技有限公司 | A kind of nano nickel solution and utilize it that communication filter is carried out electric plating method |
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| CN107523816A (en) * | 2017-08-23 | 2017-12-29 | 广东光华科技股份有限公司 | Chemical nickel plating phosphor bath |
| CN108221012A (en) * | 2018-01-03 | 2018-06-29 | 西北工业大学 | A kind of Fe-Ni/ZrO2The electro-deposition preparation method of nanocomposite |
| CN111501071A (en) * | 2020-05-26 | 2020-08-07 | 珠海冠宇电池股份有限公司 | Nickel electrodeposition layer and workpiece comprising same |
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| CN111593374A (en) * | 2020-07-01 | 2020-08-28 | 信丰崇辉科技有限公司 | Electroplating solution for diamond cutting wire and preparation method thereof |
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| CN114990458A (en) * | 2022-07-20 | 2022-09-02 | 中国科学院兰州化学物理研究所 | Nickel plating method for iron-based metal part |
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