CN107574463A - A kind of nickel-phosphorus alloy plating method based on eutectic solvent - Google Patents
A kind of nickel-phosphorus alloy plating method based on eutectic solvent Download PDFInfo
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- CN107574463A CN107574463A CN201710938863.7A CN201710938863A CN107574463A CN 107574463 A CN107574463 A CN 107574463A CN 201710938863 A CN201710938863 A CN 201710938863A CN 107574463 A CN107574463 A CN 107574463A
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- nickel
- eutectic solvent
- phosphorus
- phosphorus alloy
- alloy plating
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Abstract
The invention discloses a kind of nickel-phosphorus alloy plating method based on eutectic solvent, comprise the following steps：S1. the preparation of nickeliferous phosphorus eutectic solvent：According to mol ratio 1:2:3 weigh maleic acid, Choline Chloride and distilled water, and constant temperature stirs to obtain transparent eutectic solvent under the conditions of 60 DEG C；S2. nickel chloride and sodium hypophosphite are weighed, wherein, the mol ratio of the nickel chloride and maleic acid in step S1 is 0.1:1, the mol ratio of maleic acid is 0.01 in the sodium hypophosphite and step S1：1；S3. the load weighted nickel chlorides of step S2 and sodium hypophosphite are added in the eutectic solvent that step S1 is obtained, temperature stirring obtains the eutectic solvent of nickeliferous phosphorus as electroplate liquid；S4. progress constant current plating in the electroplate liquid that step S3 is obtained is immersed in, negative electrode and anode direct range are 1 2cm, are electroplated in electroplating process using ultrasonic assistant as negative electrode using pure nickel plate as anode, brass；S5. after the completion of electroplating, brass is taken out into cleaning, drying.
Description
Technical field
The present invention relates to electroplating technology, it particularly relates to a kind of nickel-phosphorus alloy plating based on eutectic solvent
Method.
Background technology
Nickel-phosphorus alloy plating, the also known as phosphorus alloy of Bo Lunna methods electronickelling one are nineteen forty-sixs by Bo Lunna (A.
Brenner) invention process for electroplating of nickel-phosphorus alloy method, until still using at present.
Electronickelling phosphorus is reduced on negative electrode using the nickel in plating solution, phosphonium ion and obtains metal nickel-phosphorus alloy coating, is belonged to
A kind of negative electrode electroplating process.Traditional nickel plating process has sulfate type, chloride type, sulfamic acid salt form, citric acid salt form, fluorine boron
Hydrochlorate type etc..Wherein with sulfate type（Watt）The application of nickel-plating liquid industrially is the most universal.Watts nickel is earliest plating
One of nickel technique, its main component are nickel sulfate, chlorination acid and boric acid.The boron of pollution environment in borofluoride nickel plating solution be present
Ion and fluorine ion.There is certain pollution to environment.You Yihui etc. is carried out in Choline Chloride-ethylene glycol eutectic solvent
The research of electric deposition nickel phosphor alloy coating, the results show nickel-phosphorus alloy coating can be by the corrosion resistances of raising brass base.But
It is substantial amounts of micro-crack be present on electrodeposition cladding surface, this is unfavorable for the corrosion resistance for improving brass.Other ethylene glycol
With certain toxicity, meet naked light, high fever or contacted with oxidant, there is the danger for causing combustion explosion.
The problem of in correlation technique, how to propose that a kind of environmental pollution is small and will not be in electrodeposition cladding surface shape
Electro-plating method into micro-crack is the technical problem that those skilled in the art thirst for solving all the time.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes that a kind of electronickelling phosphorus based on eutectic solvent closes
Golden method, the smooth fine and close, nickel-phosphorus alloy coating of flawless, on the other hand, this nickel-phosphorus alloy plating side can not only be obtained
Method is safe and non-toxic, environmental protection and saving.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of nickel-phosphorus alloy plating method based on eutectic solvent, comprises the following steps：
S1. the preparation of nickeliferous phosphorus eutectic solvent：According to mol ratio 1: 2 :3 weigh maleic acid, Choline Chloride and distilled water,
Constant temperature stirs to obtain transparent eutectic solvent under the conditions of 60 DEG C；
S2. nickel chloride and sodium hypophosphite are weighed, wherein, the mol ratio of the nickel chloride and maleic acid in step S1 is 0.1:
1, the mol ratio of maleic acid is 0.01 in the sodium hypophosphite and step S1：1；
S3. the load weighted nickel chlorides of step S2 and sodium hypophosphite are added in the eutectic solvent that step S1 is obtained, temperature is stirred
Mix to obtain the eutectic solvent of nickeliferous phosphorus as electroplate liquid；
S4. it is immersed in the electroplate liquid that step S3 is obtained as negative electrode using pure nickel plate as anode, brass and carries out constant current electricity
Plating, wherein, negative electrode and anode direct range are 1-2cm, are electroplated in electroplating process using ultrasonic assistant；
S5. after the completion of electroplating, brass is taken out into cleaning, drying.
Further, in the step S4, constant current density 3-8mA/cm2。
Further, in the step S4, temperature of electroplating solution is 50-60 DEG C.
Further, in the step S4, electroplating time is 60-150 minutes
Beneficial effects of the present invention：A kind of nickel-phosphorus alloy plating method based on eutectic solvent of the present invention, it is a kind of
Based on the nickel-phosphorus alloy plating method of maleic acid-Choline Chloride eutectic solvent, on the one hand caused technique effect is, adopt
The smooth fine and close flawless of nickel-phosphorus alloy coating prepared with the eutectic solvent；Further aspect is that plated relative to traditional watt
There is the boron ion and fluorine ion of pollution environment in nickel, borofluoride nickel plating, pollution, eutectic used in the present invention can be produced to environment
Solvent is biodegradable, belongs to Green Chemistry solvent.
Brief description of the drawings
Fig. 1 is the SEM of the nickel-phosphorus alloy plating that embodiment one obtains in the present invention（SEM）Figure；
Fig. 2 is the EDS of the electronickelling that embodiment one obtains in the present invention（Energy disperse spectroscopy）Energy spectrum diagram；
Fig. 3 is the SEM figures of the electronickelling that embodiment two obtains in the present invention；
Fig. 4 is the polarization curve for the nickel-phosphorus alloy plating that the embodiment of the present invention one and two obtains.
Embodiment
Technical scheme is clearly and completely described below in conjunction with the drawings and specific embodiments, it is clear that
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained, belongs to the scope of protection of the invention.
Embodiment one
0.1mol maleic acids, 0.2mol Choline Chlorides, 0.3mol distilled water are weighed respectively to be positioned in beaker, are stirred in 60 DEG C of constant temperature
Mix to obtain transparent eutectic solvent.0.01mol nickel chloride and 0.001mol sodium hypophosphite are added, is stirred in 60 DEG C of constant temperature
Mix to obtain nickeliferous phosphorus eutectic solvent.
Using pure nickel plate as anode, as negative electrode, the nickeliferous phosphorus eutectic solvent for immersing heating water bath to 60 DEG C enters brass
Row constant current plating in 60 minutes, wherein, negative electrode and anode direct range are 1cm, current density 5mA/cm2.In electroplating process
In, apply ultrasonic assistant plating.
After the completion of plating, brass taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
Embodiment two
0.1mol maleic acids, 0.2mol Choline Chlorides, 0.3mol distilled water are weighed respectively to be positioned in beaker, are sealed with preservative film
Beaker, stir to obtain transparent eutectic solvent in 60 DEG C of constant temperature.Then 0.01mol nickel chloride, 0.001mol time are added
Sodium phosphite, stir to obtain nickeliferous phosphorus eutectic solvent in 60 DEG C of constant temperature.
Using pure nickel plate as anode, as negative electrode, the nickeliferous phosphorus eutectic solvent for immersing heating water bath to 50 DEG C enters brass
Row constant current plating in 60 minutes, wherein, negative electrode and anode direct range are 2cm, current density 3mA/cm2；In electroplating process
In, apply ultrasonic assistant plating.
After the completion of plating, brass taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
Embodiment three
0.1mol maleic acids, 0.2mol Choline Chlorides, 0.3mol distilled water are weighed respectively to be positioned in beaker, are sealed with preservative film
Beaker, stir to obtain transparent eutectic solvent in 60 DEG C of constant temperature.Add 0.01mol nickel chloride, 0.001mol secondary phosphorous
Sour sodium, stir to obtain nickeliferous phosphorus eutectic solvent in 60 DEG C of constant temperature；
Using electrolytic nickel as anode, for brass as negative electrode, the nickeliferous phosphorus eutectic solvent for immersing heating water bath to 60 DEG C carries out 150
Minute constant current plating, wherein, negative electrode and anode direct range are 1cm, current density 8mA/cm2；In electroplating process, apply
Ultrasonic assistant is added to electroplate.
After the completion of plating, brass taking-up is cleaned 2 times with distilled water, finally 60 DEG C of drying in an oven.
As shown in figure 1, it is the SEM figures for the nickel-phosphorus alloy plating that embodiment one obtains, the smooth densification of plating nickel surface is without micro-
The presence of crackle.
As shown in Fig. 2 being the EDS energy spectrum diagrams for the electronickelling that embodiment one obtains, the EDS power spectrums of electronickelling illustrate that surface is
Nickel, phosphorus composition.
As shown in figure 3, being the SEM figures for the electronickelling that embodiment two obtains, the plating smooth densification of nickel coating is non-microcracked.
As shown in figure 4, being the polarization curve for the nickel-phosphorus alloy plating that embodiment one and embodiment two obtain, illustrate two
The corrosion potential and corrosion current of nickel-phosphorus alloy plating in embodiment are more or less the same, and corrosion current is about 8.6 × 10-5Acm-2。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (4)
- A kind of 1. nickel-phosphorus alloy plating method based on eutectic solvent, it is characterised in that comprise the following steps：S1. the preparation of nickeliferous phosphorus eutectic solvent：According to mol ratio 1: 2 :3 weigh maleic acid, Choline Chloride and distilled water, Constant temperature stirs to obtain transparent eutectic solvent under the conditions of 60 DEG C；S2. nickel chloride and sodium hypophosphite are weighed, wherein, the mol ratio of the nickel chloride and maleic acid in step S1 is 0.1: 1, the mol ratio of maleic acid is 0.01 in the sodium hypophosphite and step S1：1；S3. the load weighted nickel chlorides of step S2 and sodium hypophosphite are added in the eutectic solvent that step S1 is obtained, constant temperature Stirring obtains the eutectic solvent of nickeliferous phosphorus as electroplate liquid；S4. it is immersed in the electroplate liquid that step S3 is obtained as negative electrode using pure nickel plate as anode, brass and carries out constant current electricity Plating, wherein, negative electrode and anode direct range are 1-2cm, are electroplated in electroplating process using ultrasonic assistant；S5. after the completion of electroplating, brass is taken out into cleaning, drying.
- 2. a kind of nickel-phosphorus alloy plating method based on eutectic solvent according to claim 1, it is characterised in that described In step S4, constant current density 3-8mA/cm2。
- 3. a kind of nickel-phosphorus alloy plating method based on eutectic solvent according to claim 1, it is characterised in that described In step S4, temperature of electroplating solution is 50-60 DEG C.
- 4. a kind of nickel-phosphorus alloy plating method based on eutectic solvent according to claim 1, it is characterised in that described In step S4, electroplating time is 60-150 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407779A (en) * | 2019-08-26 | 2019-11-05 | 重庆化工职业学院 | The method for preparing 5 hydroxymethyl furfural as raw material using biomass |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106283140A (en) * | 2016-10-27 | 2017-01-04 | 安徽工业大学 | A kind of nickel-phosphorus alloy plating method based on glycine betaine urea water eutectic solvent |
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2017
- 2017-09-30 CN CN201710938863.7A patent/CN107574463A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106283140A (en) * | 2016-10-27 | 2017-01-04 | 安徽工业大学 | A kind of nickel-phosphorus alloy plating method based on glycine betaine urea water eutectic solvent |
Non-Patent Citations (2)
| Title |
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| YUNTAO DAI ET AL.: "Natural deep eutectic solvents as new potential media for green technology", 《ANALYTICA CHIMICA ACTA》 * |
| 兰龙 等: "超声波辅助选择性电沉积技术研究进展", 《中国机械工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407779A (en) * | 2019-08-26 | 2019-11-05 | 重庆化工职业学院 | The method for preparing 5 hydroxymethyl furfural as raw material using biomass |
| CN110407779B (en) * | 2019-08-26 | 2021-05-04 | 重庆化工职业学院 | Method for preparing 5-hydroxymethylfurfural by using biomass as raw material |
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