CN105018989A - Lanthanum-copper-zinc alloy electroplate liquid and electroplating method thereof - Google Patents
Lanthanum-copper-zinc alloy electroplate liquid and electroplating method thereof Download PDFInfo
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- CN105018989A CN105018989A CN201510518386.XA CN201510518386A CN105018989A CN 105018989 A CN105018989 A CN 105018989A CN 201510518386 A CN201510518386 A CN 201510518386A CN 105018989 A CN105018989 A CN 105018989A
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Abstract
The invention provides lanthanum-copper-zinc alloy electroplate liquid and a preparation method thereof. The lanthanum-copper-zinc alloy electroplate liquid comprises 40 g/L-60 g/L of copper pyrophosphate, 30 g/L-50 g/L of zinc sulfate, 0.05 g/L-1 g/L of lanthanum oxide, 0.5 g/L-1.5 g/L of sodium sulfamate, 5 g/L-8 g/L of ethylenediaminetetraacetic acid, 20 g/L-40 g/L of citric acid, 0.2 g/L-2 g/L of sodium dodecyl sulfate and 3 g/L-6 g/L of saccharin. The lanthanum-copper-zinc alloy electroplate liquid is good in stability and high in electroplating efficiency. A plated layer obtained through electroplating is bright and smooth, good in impact resisting performance and high-temperature baking resisting performance and high in binding force with base materials.
Description
Technical field
The present invention relates to electroplate liquid technical field, particularly relate to a kind of lanthanum-copper-zinc alloy electroplate liquid and electro-plating method thereof.
Background technology
Along with the development of science and technology, more and more stricter to the requirement of product, the coating of single-element is difficult to the demand meeting plated item, and researcher turns one's attention to alloy plating gradually.
Nickel plating technology is widely used in all respects of electroplating industry, for metal device carry out anticorrosion, decoration for the purpose of surface treatment.But because nickel resources belongs to non-renewable nature, along with the continuous increase of nickel consumption, supply wretched insufficiency, cause substantial appreciation of prices, each electroplating enterprise nickel plating cost remains high.Electroplating enterprise is sought to save nickel, novel process for nickel one after another.From the character of coating, the alloys such as copper nickel should become first-selected plating.But prior art cupronickel electroplate liquid stability is bad, be difficult to obtain stable coating, and the skin that metallic nickel directly contacts people can cause nickel condition susceptible, and the bonding force of plating gained coating and base material is poor.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of lanthanum-copper-zinc alloy electroplate liquid, this lanthanum-copper-zinc alloy electroplate liquid good stability, and electroplating efficiency is high; Electroplate the coating light that obtains smooth, impact resistance and high-temperature baking resistant performance good, strong with the bonding force of base material.
The present invention by the following technical solutions.
A kind of lanthanum-copper-zinc alloy electroplate liquid comprises cupric pyrophosphate 40 ~ 60g/L, zinc sulfate 30 ~ 50g/L, lanthanum trioxide 0.05 ~ 1g/L, thionamic acid sodium 0.5 ~ 1.5g/L, ethylenediamine tetraacetic acid (EDTA) 5 ~ 8g/L, citric acid 20 ~ 40g/L, sodium lauryl sulphate 0.2 ~ 2g/L, asccharin 3 ~ 6g/L.
Preferably, cupric pyrophosphate 46 ~ 52g/L, zinc sulfate 36 ~ 48g/L, lanthanum trioxide 0.05 ~ 0.3g/L, thionamic acid sodium 0.6 ~ 1.2g/L, ethylenediamine tetraacetic acid (EDTA) 6 ~ 8g/L, citric acid 15 ~ 32g/L, sodium lauryl sulphate 0.3 ~ 1.6g/L, asccharin 3 ~ 4g/L is comprised.
Preferably, cupric pyrophosphate 48g/L, zinc sulfate 42g/L, lanthanum trioxide 0.06g/L, thionamic acid sodium 0.8g/L, ethylenediamine tetraacetic acid (EDTA) 6g/L, citric acid 18g/L, sodium lauryl sulphate 0.5g/L, asccharin 4g/L is comprised.
Preferably, described lanthanum-copper-zinc alloy electroplate liquid PH is 6 ~ 7.
The present invention on the other hand provides a kind of electro-plating method using above-mentioned lanthanum-copper-zinc alloy electroplate liquid, and it is smooth that this electro-plating method electroplates the coating light obtained, impact resistance and high-temperature baking resistant performance good, strong with the bonding force of base material.
Use an electro-plating method for above-mentioned lanthanum-copper-zinc alloy electroplate liquid, comprise the following steps:
(1) lanthanum-copper-zinc alloy electroplate liquid is prepared;
(2) take metal base as negative electrode, graphite is that anode is electroplated.
Preferably, described step (1) detailed process is: in deionized water, add citric acid, ethylenediamine tetraacetic acid (EDTA), cupric pyrophosphate, zinc sulfate and sodium lauryl sulphate, stirring and dissolving makes mixed solution, lanthanum trioxide, thionamic acid sodium and asccharin stirring and dissolving is added in this mixed solution, the deionized water adding surplus is again 1L to cumulative volume, obtains lanthanum-copper-zinc alloy electroplate liquid.
Preferably, in described step (2), the temperature of plating is 25 ~ 35 DEG C.
Preferably, in described step (2), the current density of plating is 20 ~ 24mA/cm
2, electroplating time is 10 ~ 15min.
Preferably, in described step (2), the distance of negative electrode and positive electrode is 8 ~ 15cm.
Compared with prior art, beneficial effect of the present invention: a kind of lanthanum-copper-zinc alloy electroplate liquid of lanthanum of the present invention-copper-zinc alloy electroplate liquid comprises cupric pyrophosphate 40 ~ 60g/L, zinc sulfate 30 ~ 50g/L, lanthanum trioxide 0.05 ~ 1g/L, thionamic acid sodium 0.5 ~ 1.5g/L, ethylenediamine tetraacetic acid (EDTA) 5 ~ 8g/L, citric acid 20 ~ 40g/L, sodium lauryl sulphate 0.2 ~ 2g/L, asccharin 3 ~ 6g/L.Lanthanum of the present invention-copper-zinc alloy electroplate liquid good stability, electroplating efficiency is high; Electroplate the coating light that obtains smooth, impact resistance and high-temperature baking resistant performance good, strong with the bonding force of base material.
Embodiment
Further illustrate technical scheme of the present invention respectively below in conjunction with the embodiments.
Raw material involved in following examples is commercially available.
Embodiment 1: the lanthanum-copper-zinc alloy electroplate liquid of the present embodiment comprises following component:
Use above-mentioned lanthanum-copper-zinc alloy electroplate liquid electro-plating method as follows:
Citric acid, ethylenediamine tetraacetic acid (EDTA), cupric pyrophosphate, zinc sulfate and sodium lauryl sulphate is added in deionized water, stirring and dissolving makes mixed solution, lanthanum trioxide, thionamic acid sodium and asccharin stirring and dissolving is added in this mixed solution, the deionized water adding surplus is again 1L to cumulative volume, obtains lanthanum-copper-zinc alloy electroplate liquid;
Take metal base as negative electrode, graphite is anode, and the distance of negative electrode and positive electrode is 10cm, be 25 DEG C and current density is 22mA/cm at described lanthanum-copper-zinc alloy temperature of electroplating solution
2electroplate 10min under condition, obtain coating.
Embodiment 2: the lanthanum-copper-zinc alloy electroplate liquid of the present embodiment comprises following component:
Use above-mentioned lanthanum-copper-zinc alloy electroplate liquid electro-plating method as follows:
Citric acid, ethylenediamine tetraacetic acid (EDTA), cupric pyrophosphate, zinc sulfate and sodium lauryl sulphate is added in deionized water, stirring and dissolving makes mixed solution, lanthanum trioxide, thionamic acid sodium and asccharin stirring and dissolving is added in this mixed solution, the deionized water adding surplus is again 1L to cumulative volume, obtains lanthanum-copper-zinc alloy electroplate liquid;
Take metal base as negative electrode, graphite is anode, and the distance of negative electrode and positive electrode is 10cm, be 25 DEG C and current density is 22mA/cm at lanthanum-copper-zinc alloy temperature of electroplating solution
2electroplate 10min under condition, obtain coating.
Embodiment 3: the lanthanum-copper-zinc alloy electroplate liquid of the present embodiment comprises following component:
Use above-mentioned lanthanum-copper-zinc alloy electroplate liquid electro-plating method as follows:
Citric acid, ethylenediamine tetraacetic acid (EDTA), cupric pyrophosphate, zinc sulfate and sodium lauryl sulphate is added in deionized water, stirring and dissolving makes mixed solution, lanthanum trioxide, thionamic acid sodium and asccharin stirring and dissolving is added in this mixed solution, the deionized water adding surplus is again 1L to cumulative volume, obtains lanthanum-copper-zinc alloy electroplate liquid;
Take metal base as negative electrode, graphite is anode, and the distance of negative electrode and positive electrode is 10cm, be 25 DEG C and current density is 22mA/cm at described lanthanum-copper-zinc alloy temperature of electroplating solution
2electroplate 10min under condition, obtain coating.
Use lanthanum of the present invention-copper-zinc alloy electroplate liquid good stability, electroplating efficiency is high; Electroplate the coating light that obtains smooth, impact resistance and high-temperature baking resistant performance good, strong with the bonding force of base material.
It should be noted that and understand, when not departing from the spirit and scope of accompanying claim the present invention for required protection, various amendment and improvement can be made to the present invention of foregoing detailed description.Therefore, the scope of claimed technical scheme is not by the restriction of given any specific exemplary teachings.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (9)
1. lanthanum-copper-zinc alloy electroplate liquid, it is characterized in that, comprise cupric pyrophosphate 40 ~ 60g/L, zinc sulfate 30 ~ 50g/L, lanthanum trioxide 0.05 ~ 1g/L, thionamic acid sodium 0.5 ~ 1.5g/L, ethylenediamine tetraacetic acid (EDTA) 5 ~ 8g/L, citric acid 20 ~ 40g/L, sodium lauryl sulphate 0.2 ~ 2g/L, asccharin 3 ~ 6g/L.
2. lanthanum according to claim 1-copper-zinc alloy electroplate liquid, it is characterized in that, comprise cupric pyrophosphate 46 ~ 52g/L, zinc sulfate 36 ~ 48g/L, lanthanum trioxide 0.05 ~ 0.3g/L, thionamic acid sodium 0.6 ~ 1.2g/L, ethylenediamine tetraacetic acid (EDTA) 6 ~ 8g/L, citric acid 15 ~ 32g/L, sodium lauryl sulphate 0.3 ~ 1.6g/L, asccharin 3 ~ 4g/L.
3. lanthanum according to claim 1-copper-zinc alloy electroplate liquid, it is characterized in that, comprise cupric pyrophosphate 48g/L, zinc sulfate 42g/L, lanthanum trioxide 0.06g/L, thionamic acid sodium 0.8g/L, ethylenediamine tetraacetic acid (EDTA) 6g/L, citric acid 18g/L, sodium lauryl sulphate 0.5g/L, asccharin 4g/L.
4. lanthanum according to claim 1-copper-zinc alloy electroplate liquid, is characterized in that, described lanthanum-copper-zinc alloy electroplate liquid PH is 6 ~ 7.
5. use an electro-plating method for the lanthanum-copper-zinc alloy electroplate liquid described in claim 1, it is characterized in that, comprise the following steps:
(1) lanthanum-copper-zinc alloy electroplate liquid is prepared;
(2) take metal base as negative electrode, graphite is that anode is electroplated.
6. electro-plating method according to claim 5, it is characterized in that, described step (1) detailed process is: in deionized water, add citric acid, ethylenediamine tetraacetic acid (EDTA), cupric pyrophosphate, zinc sulfate and sodium lauryl sulphate, stirring and dissolving makes mixed solution, lanthanum trioxide, thionamic acid sodium and asccharin stirring and dissolving is added in this mixed solution, the deionized water adding surplus is again 1L to cumulative volume, obtains lanthanum-copper-zinc alloy electroplate liquid.
7. electro-plating method according to claim 5, is characterized in that, in described step (2), the temperature of plating is 25 ~ 35 DEG C.
8. electro-plating method according to claim 5, is characterized in that, in described step (2), the current density of plating is 20 ~ 24mA/cm
2, electroplating time is 10 ~ 15min.
9. electro-plating method according to claim 5, is characterized in that, in described step (2), the distance of negative electrode and positive electrode is 8 ~ 15cm.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643926A (en) * | 2008-08-04 | 2010-02-10 | 比亚迪股份有限公司 | Non-cyanide pre-plating copper plating solution |
| CN102234826A (en) * | 2010-04-29 | 2011-11-09 | 比亚迪股份有限公司 | Electroplating liquid and electroplating method using same |
| CN102618901A (en) * | 2011-01-31 | 2012-08-01 | 上海方隆金属材料有限公司 | Steel wire with zinc-rare earth coating for binding and manufacturing method thereof |
| CN104805477A (en) * | 2015-04-02 | 2015-07-29 | 上海应用技术学院 | Zinc plating liquid used for forming thick zinc coating as well as preparation method and application |
-
2015
- 2015-08-21 CN CN201510518386.XA patent/CN105018989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643926A (en) * | 2008-08-04 | 2010-02-10 | 比亚迪股份有限公司 | Non-cyanide pre-plating copper plating solution |
| CN102234826A (en) * | 2010-04-29 | 2011-11-09 | 比亚迪股份有限公司 | Electroplating liquid and electroplating method using same |
| CN102618901A (en) * | 2011-01-31 | 2012-08-01 | 上海方隆金属材料有限公司 | Steel wire with zinc-rare earth coating for binding and manufacturing method thereof |
| CN104805477A (en) * | 2015-04-02 | 2015-07-29 | 上海应用技术学院 | Zinc plating liquid used for forming thick zinc coating as well as preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 杨胜奇: "电镀仿金稀土添加剂的研制", 《电镀与环保》 * |
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Application publication date: 20151104 |