CN109576688A - Chemical nickel-plating solution, nickel plating process and the nickel plating part of the hydrolyzate containing sapindoside - Google Patents
Chemical nickel-plating solution, nickel plating process and the nickel plating part of the hydrolyzate containing sapindoside Download PDFInfo
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- CN109576688A CN109576688A CN201910105193.XA CN201910105193A CN109576688A CN 109576688 A CN109576688 A CN 109576688A CN 201910105193 A CN201910105193 A CN 201910105193A CN 109576688 A CN109576688 A CN 109576688A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
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Abstract
The invention discloses a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside, nickel plating process and nickel plating parts.Chemical nickel-plating solution is mainly made of nickel ion compound, hypophosphites, complexing agent, pH buffer, brightener, environment-friendly stabilizer, wetting agent and sapindoside hydrolyzate；Sapindoside hydrolyzate is made as follows: sapindoside hydrolyzes under alkaline matter obtains sapindoside hydrolyzate.The present invention makes it partly or entirely hydrolyze to form small molecule compound, and be added in chemical nickel-plating solution, it is found that the stability of environmental friendly chemical plating nickel plating solution and coating antiseptic property are effectively improved by carrying out certain hydrolysis to sapindoside.
Description
Technical field
The present invention relates to a kind of chemical nickel-plating solution, method and nickel plating parts, more particularly, to a kind of soap containing soapberry
Chemical nickel-plating solution, nickel plating process and the nickel plating part of glycosides hydrolyzate.
Background technique
Chemical nickel coating has good wearability, anti-corrosive properties, dicoration, is widely used in industrial machinery and daily necessity
In.Enhancing with people to health, environmental consciousness, as stabilizer, the heavy metal classes chemical combination of brightener in electroless nickel solution
Object is gradually eliminated, this leads to the antiseptic property and glossiness of the stability of all kinds of environmental-protecting chemical nickel solutions at this stage, coating
Etc. performance occur shortcoming.
Summary of the invention
In order to solve the problems, such as background technique, the purpose of the present invention is to provide one kind to hydrolyze containing sapindoside
Chemical nickel-plating solution, nickel plating process and the nickel plating part of liquid mix sapindoside hydrolyzate, in chemical nickel-plating solution with red copper
Piece (or iron plate) is that matrix carries out chemical plating.Result of implementation shows to mix soapberry of the invention in chemical nickel-plating solution
Saponin(e hydrolyzate, can improve the stability of chemical nickel-plating solution, and effectively increase the anticorrosive property of plating piece.
For achieving the above object, the present invention adopts the following technical scheme:
One, the chemical nickel-plating solution of a kind of hydrolyzate containing sapindoside:
The chemical nickel-plating solution is mainly by nickel ion compound, hypophosphites, complexing agent, pH buffer, brightener, ring
Guarantor's type stabilizer, wetting agent and surfactant composition；The surfactant is sapindoside hydrolyzate.
The concentration of sapindoside in the chemical nickel-plating solution is 0.01-1.50g/L.
The sapindoside hydrolyzate is made as follows: the shell with the pericarp of soapberry or Chinese honey locust pod is
Raw material obtains sapindoside using conventional treatment process, and sapindoside in the case where alkaline matter acts on further by hydrolyzing
Obtain sapindoside hydrolyzate.
Conventional treatment process be the one kind of modern technologies such as solvent extraction process, macroporous resin adsorption method and UF membrane or
Process integration.
The basic hydrolysis method of sapindoside is as follows: addition sapindoside and sodium hydroxide in water, and 50-100 DEG C
Under, stirring, heat preservation hydrolysis 30 minutes to 24 hours after cooling, add water and stir uniformly to get sapindoside hydrolyzate；Hydrolysis
When sapindoside concentration be 5-100g/L, alkali concentration 2-100g/L.
The alkali is using hydroxide such as sodium hydroxide, potassium hydroxide, lithium hydroxides.
In the chemical nickel-plating solution, nickel ion compound is nickel sulfate, nickel chloride, amino acid nickel, nickel acetate, methyl sulphur
One of sour nickel, nickelous hypophosphite, content of the nickel ion in electroless nickel solution are 2-10g/L；Hypophosphites is sodium hypophosphite,
Content in electroless nickel solution is 5-50g/L；Complexing agent is one or more of water-soluble organic and inorganic complexing agent combinations,
Complexing agent is citric acid and salt, lactic acid and salt, hydroxyacetic acid and salt, malic acid and salt, amion acetic acid and salt tartaric acid and salt, Portugal
Grape hydrochlorate, succinic acid and salt, adipic acid and salt, 1-hydroxy ethylidene-1,1-diphosphonic acid and salt, aminotrimethylenephosphonic acid and salt, four hydroxypropyls
Ethylenediamine, dihydroxymethyl ethylenediamine, tetracarboxylic acid ethylethylenediamine and salt, total dosage is in the electroless nickel solutions such as ammonium hydroxide, pyrophosphate
5-100g/L；PH buffer is one of boric acid, acetic acid and salt, propionic acid and salt, ammonium chloride, and total dosage is in electroless nickel solution
2-50g/L；Environment-friendly stabilizer uses one of thiocarbamide, Potassiumiodate, potassium iodide, dosage 0.5-25ppm in electroless nickel solution；
Wetting agent is one of TC-EHS, polyethylene glycol, the dosage 0-0.5g/L in electroless nickel solution；Brightener is in electroless nickel solution
Middle dosage 0-1ml/L.
The brightener uses commercially available environment protection brilliant agent, for example, Hangzhou Dongfang Surface Technology Co., Ltd. EN-B
The brightener of series.
Two, a kind of chemical nickel plating method:
Method includes successively pre-processing workpiece to be plated, directly contacting plating, cleaning, drying with chemical nickel-plating solution
After obtain nickel plating workpiece；The chemical nickel-plating solution is chemical nickel-plating solution described in any one of claims 1-6, chemical nickel plating
The pH value of solution is 4.0-6.8, and plating temperature is 60-100 DEG C.
Three, a kind of chemical nickel plating workpiece:
The chemical nickel plating part includes workpiece and the nickel coating positioned at workpiece surface；The chemical nickel plating workpiece can be each
The substrate of kind material uses in specific implementation using red copper as base for example, can be resin substrate, ceramic substrate or metal substrate
Chemical nickel plating workpiece described in the substrate of body is made of chemical nickel plating method as claimed in claim 7.
Sapindoside is green natural product.The present invention makes its portion by carrying out certain hydrolysis to sapindoside
Divide or be completely formed small molecule compound, and be added to electroless nickel solution, finds the stability and plating of environmental-protecting chemical nickel solution
Layer antiseptic property is improved.
The present invention provides a kind of using red copper as the chemical nickel plating part of matrix；The chemical nickel plating part is provided by the present invention
Chemical nickel plating method is formed.
Chemical nickel plating is carried out to workpiece surface using chemical nickel-plating solution provided by the invention, by prior art basis
On only mix sapindoside hydrolyzate, to realize going on smoothly for chemical nickel plating, hence it is evident that improve the stability of nickel-plating liquid
With the Corrosion Protection of plating piece.
The beneficial effects of the present invention are:
On the one hand, compared with prior art, because sapindoside hydrolyzate is the Natural surfactant of ecological security
Agent will not cause the pollution of biodegradable hardly possible to environment in, not only meet environment protection requirement, but also belong to renewable resource.
On the other hand, the reproducibility group contained in sapindoside hydrolyzate, can be in Coordinate development nickel process
The redox reaction of generation go on smoothly reaction can steadily, thus realize the stability for improving chemical nickel-plating solution,
The service life for extending nickel-plating liquid, improves the surface soundness and planarization of coating, especially substantially increases the anticorrosion of plating piece
Performance.
Detailed description of the invention
Fig. 1 is the plating piece scanning electron microscope (SEM) photograph that sapindoside hydrolyzate is not incorporated into reference example.
Fig. 2 is the plating piece scanning electron microscope (SEM) photograph that sapindoside hydrolyzate is mixed in embodiment 1.
Fig. 3 is bath stability test chart.According to the experimental program of embodiment 1, addition hydrolysis sapindoside ml
The time chart decomposed completely with nickel-plating liquid.
Fig. 4 is the Corrosion Protection test chart of plating piece coating.According to the experimental program of embodiment 1, addition hydrolysis soapberry
The time chart of saponin(e ml and the blackening in nitric acid solution of plating piece coating.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the invention will be further described.
Specific embodiments of the present invention are as follows:
It is not added with the reference example of sapindoside hydrolyzate
In sulfur acid nickel 28g/L, lactic acid 30g/L, glycine 15g/L, sodium acetate 15g/L, sodium hypophosphite 30g/L, thiocarbamide
In the chemical nickel-plating solution with ammonium hydroxide secure ph to 4.8, copper sheet is passed through by 1ppm, Potassiumiodate 10ppm, TC-EHS 0.2g/L
It after oil removing, derusting, activation, is immersed in 89 DEG C of above-mentioned solution, under air stirring, impregnates 30min.
Obtained copper sheet coating brightness is general, and the blackening time is 5S in plating piece 68% nitric acid solution of immersion.At 88 DEG C
Under conditions of, PdCl of the 1mL containing 0.1g/L is added in the above-mentioned plating solution of 100mL beaker 50mL2Solution, solution resolving time be
5min。
Embodiment 1
The method for hydrolysis of sapindoside: being added sapindoside 10g, sodium hydroxide 10g in 800mL water, and 70-80 DEG C
Under, stirring, heat preservation 3 hours.After cooling, water is added to stir evenly to one liter to get sapindoside hydrolyzate.
The above-mentioned sapindoside hydrolyzate of 10mL (i.e. addition sapindoside 0.1g) is added to sulfur acid nickel 28g/L, cream
Sour 30g/L, glycine 15g/L, sodium acetate 15g/L, sodium hypophosphite 30g/L, thiocarbamide 1ppm, Potassiumiodate 10ppm, TC-EHS
In 0.2g/L, the chemical nickel-plating solution using ammonium hydroxide secure ph to 4.8, it is made into 1L chemical nickel-plating solution altogether.Copper sheet is passed through
It after oil removing, derusting, activation, is immersed in 89 DEG C of above-mentioned solution, under air stirring, impregnates 30min.
Obtained copper sheet coating is bright, and the blackening time is 25S in plating piece 68% nitric acid solution of immersion.In 88 DEG C of condition
Under, PdCl of the 1mL containing 0.1g/L is added in the above-mentioned plating solution of 100mL beaker 50mL2Solution, solution resolving time are 10min.
The copper sheet coating of the present embodiment is obtained by the Electronic Speculum equipment of S-4700 type field emission scanning electron microscope
Plating piece scanning electron microscope result as shown in Figure 1, the result of comparison diagram 1 and Fig. 2 as it can be seen that coating crystalline form is thin and more uniform, coating surface
Compared to good compactness and planarization.
According to the process of embodiment 1 carry out that experiment acquisition is repeated several times for the additional amount of different sapindoside hydrolyzates
As a result as shown in Figure 3 and Figure 4.The experimental result point that abscissa on the left of Fig. 3 and Fig. 4 is 0 is expressed as reference example.
Thus as it can be seen that the chemical nickel-plating solution that the present invention prepares has after sapindoside hydrolyzate is added in Fig. 3
There is excellent stability.And reflect the relationship between bath stability and sapindoside hydrolyzate incorporation.
Thus as it can be seen that the chemical nickel-plating solution that the present invention prepares has after sapindoside hydrolyzate is added in Fig. 4
There is excellent Corrosion Protection.And reflect the relationship crossed between liquid Corrosion Protection and sapindoside hydrolyzate incorporation.
Embodiment 2
The method for hydrolysis of sapindoside: being added sapindoside 10g, sodium hydroxide 10g in 800mL water, and 70-80 DEG C
Under, stirring, heat preservation 3 hours.After cooling, water is added to stir evenly to one liter to get sapindoside hydrolyzate.
The above-mentioned sapindoside hydrolyzate of 5mL (i.e. addition sapindoside 0.05g) is added to sulfur acid nickel 28g/L, cream
Sour 30g/L, glycine 15g/L, sodium acetate 15g/L, sodium hypophosphite 30g/L, thiocarbamide 1ppm, Potassiumiodate 10ppm, TC-EHS
In 0.2g/L, the chemical nickel-plating solution using ammonium hydroxide secure ph to 4.8, it is made into 1L chemical nickel-plating solution altogether.Copper sheet is passed through
It after oil removing, derusting, activation, is immersed in 60 DEG C of above-mentioned solution, under air stirring, impregnates 30min.
Obtained copper sheet coating is bright, and the blackening time is 17S in plating piece 68% nitric acid solution of immersion.In 88 DEG C of condition
Under, PdCl of the 1mL containing 0.1g/L is added in the above-mentioned plating solution of 100mL beaker 50mL2Solution, solution resolving time are 7min.
Embodiment 3
The method for hydrolysis of sapindoside: being added sapindoside 50g, sodium hydroxide 18g in 600mL water, at 50 DEG C,
Stirring, heat preservation 6 hours.After cooling, with dilute sulfuric acid tune pH to 7 or so, water is added to stir evenly to one liter to get sapindoside water
Solve liquid.
The above-mentioned sapindoside hydrolyzate of 1mL (i.e. addition sapindoside 0.05g) is added to chloride containing nickel 25g/L, lemon
Lemon acid sodium 30g/L, malic acid 10g/L, ammonium chloride 15g/L, sodium hypophosphite 20g/L, potassium iodide 5ppm, Hangzhou east sufacing
The brightener 1ml/L of Co., Ltd, using in one liter of electroless nickel solution of ammonium hydroxide tune pH value to 6.8, be made into 1L chemical nickel plating altogether
Solution.It by iron plate after oil removing, derusting, activation, is immersed in 89 DEG C of above-mentioned solution, under air stirring, impregnates 30min.
Obtained iron plate coating light is good, and the blackening time is 17S in plating piece 68% nitric acid solution of immersion.In 88 DEG C of condition
Under, PdCl of the 1mL containing 0.1g/L is added in the above-mentioned plating solution of 100mL beaker 50mL2Solution, solution resolving time are 9min.
Experiment discovery, in done embodiment, the brightness of coating, resistance to nitric acid performance and stability of solution can be better than not
Add the electroless nickel solution in this example of sapindoside hydrolyzate.
Thus above-mentioned implementation is as it can be seen that the present invention makes it partly or entirely by carrying out certain hydrolysis to sapindoside
Small molecule compound is formed, and is added in chemical nickel-plating solution, finds the stability and coating of environmental friendly chemical plating nickel plating solution
Antiseptic property is effectively improved.
Claims (8)
1. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside, it is characterised in that: the chemical nickel-plating solution mainly by
Nickel ion compound, hypophosphites, complexing agent, pH buffer, brightener, environment-friendly stabilizer, wetting agent and sapindoside
Hydrolyzate composition.
2. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside according to claim 1, it is characterised in that: the change
The concentration for learning corresponding sapindoside in nickel plating solution is 0.01-1.50g/L.
3. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside according to claim 1, it is characterised in that: described
Sapindoside hydrolyzate is made as follows: sapindoside obtains soapberry by being lauched solution in alkaline matter effect
Saponin(e hydrolyzate.
4. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside according to claim 1, it is characterised in that: without trouble
The basic hydrolysis method of sub- saponin(e is as follows: addition sapindoside and sodium hydroxide in water, at 50-100 DEG C, stirring, heat preservation
Hydrolysis 30 minutes to 24 hours adds water and stirs uniformly after cooling to get sapindoside hydrolyzate；Sapindoside when hydrolysis
Concentration be 5-100g/L, alkali concentration 2-100g/L.
5. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside according to claim 3 or 4, it is characterised in that:
The alkali is using hydroxide such as sodium hydroxide, potassium hydroxide, lithium hydroxides.
6. a kind of chemical nickel-plating solution of hydrolyzate containing sapindoside according to claim 3 or 4, it is characterised in that:
In the chemical nickel-plating solution, nickel ion compound is nickel sulfate, nickel chloride, amino acid nickel, nickel acetate, methane sulfonic acid nickel, secondary
One of nickel phosphate, content of the nickel ion in electroless nickel solution are 2-10g/L；Hypophosphites is sodium hypophosphite, in chemistry
Content in nickel solution is 5-50g/L；Complexing agent is one or more of water-soluble organic and inorganic complexing agent combinations, complexing agent
For citric acid and salt, lactic acid and salt, hydroxyacetic acid and salt, malic acid and salt, amion acetic acid and salt tartaric acid and salt, grape acid
Salt, succinic acid and salt, adipic acid and salt, 1-hydroxy ethylidene-1,1-diphosphonic acid and salt, aminotrimethylenephosphonic acid and salt, four hydroxypropyl second two
Amine, dihydroxymethyl ethylenediamine, tetracarboxylic acid ethylethylenediamine and salt, total dosage is 5- in the electroless nickel solutions such as ammonium hydroxide, pyrophosphate
100g/L；PH buffer is one of boric acid, acetic acid and salt, propionic acid and salt, ammonium chloride, and total dosage is 2- in electroless nickel solution
50g/L；Environment-friendly stabilizer uses one of thiocarbamide, Potassiumiodate, potassium iodide, dosage 0.5-30ppm in electroless nickel solution；Profit
Humectant is one of TC-EHS (2- ethylhexyl sulfuric ester sodium salt), polyethylene glycol, the dosage 0-0.5g/ in electroless nickel solution
L；Brightener dosage 0-1ml/L in electroless nickel solution.
7. a kind of chemical nickel plating method, including workpiece to be plated successively pre-processed, directly contacts and applies with chemical nickel-plating solution
Nickel plating workpiece is obtained after plating, cleaning, drying；It is characterized by: the chemical nickel-plating solution is described in any one of claim 1-6
Chemical nickel-plating solution, the pH value of chemical nickel-plating solution is 4.0-6.8, and plating temperature is 60-100 DEG C.
8. a kind of chemical nickel plating workpiece, the chemical nickel plating part includes workpiece and the nickel coating positioned at workpiece surface；Its feature exists
In the chemical nickel plating workpiece is made of chemical nickel plating method as claimed in claim 7.
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| CN201910105193.XA CN109576688B (en) | 2019-02-01 | 2019-02-01 | Chemical nickel plating solution containing soapnut saponin hydrolysate, nickel plating method and nickel plated part |
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| CN201910105193.XA CN109576688B (en) | 2019-02-01 | 2019-02-01 | Chemical nickel plating solution containing soapnut saponin hydrolysate, nickel plating method and nickel plated part |
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Cited By (2)
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| CN109797382A (en) * | 2019-04-09 | 2019-05-24 | 滁州市苏深表面处理有限公司 | A kind of frosting chemical nickel crosses the preparation method of liquid |
| CN110055522A (en) * | 2019-04-28 | 2019-07-26 | 祝亚琴 | A kind of chemical nickel plating solution additive |
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| US20040016363A1 (en) * | 2002-07-24 | 2004-01-29 | Phelps Andrew W. | Corrosion-inhibiting coating |
| CN102286735A (en) * | 2010-06-19 | 2011-12-21 | 比亚迪股份有限公司 | Chemical nickel plating solution |
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| CN109576688B (en) | 2022-02-11 |
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