CN102268674A - Non-cyanide chemical nickel-stripping solution - Google Patents
Non-cyanide chemical nickel-stripping solution Download PDFInfo
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- CN102268674A CN102268674A CN 201110222803 CN201110222803A CN102268674A CN 102268674 A CN102268674 A CN 102268674A CN 201110222803 CN201110222803 CN 201110222803 CN 201110222803 A CN201110222803 A CN 201110222803A CN 102268674 A CN102268674 A CN 102268674A
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Abstract
The invention discloses a non-cyanide chemical nickel-stripping solution, which belongs to the technical field of surface treatment, is particularly applicable to stripping electroplated nickel layers and chemical nickel layers on substrates such as steel and the like and is mainly and technically characterized by comprising meta-nitrobenzene sodium sulfonate, ammonium persulfate, ethidene diamine, sodium diaminodithiocarbamate, glycine and the like. According to the non-cyanide chemical nickel-stripping solution, a nontoxic organic amine compound is used for replacing a cyanide-containing compound in the traditional nickel-stripping solution to serve as a complexing agent, the electroplated nickel layers and the chemical nickel layers on the substrates such as steel and the like can be stripped effectively and the usability of the solution is stable; and the non-cyanide chemical nickel-stripping solution has the advantages of low cost, completeness and rapidness in stripping nickel, no corrosion on substrates, and safety and environment friendliness.
Description
Technical field
The present invention relates to a kind of no cyaniding and take off nickel solution, the metal surface processing technology field, it is specially adapted to the electroless nickel layer on the matrixes such as iron and steel, electroless nickel layer taken off and removes.
Background technology
In the surface treatment industry, when handling matrix surface electroless nickel layer, the underproof faulty goods of electroless nickel layer, need take off the nickel dam of defective faulty goods matrix surface and remove.In the background technology, at present domesticly generally adopt concentrated nitric acid to take off nickel when taking off except that nickel dam, prussiate takes off two kinds of methods of nickel, another kind of electrolysis is taken off the nickel method because main just at the matrix copper material, uses seldom.When adopting concentrated nitric acid to take off nickel, because concentrated nitric acid has strongly-acid and severe corrosive, taking off oxynitrides such as a large amount of nitrogen protoxides of producing in the nickel process, nitrogen peroxide can work the mischief to human body, and operation has certain danger, and concentrated nitric acid in various degree can the etched the matrix material simultaneously; When prussiate takes off nickel,, can cause severe contamination and harm humans health to environment owing to be to adopt the complexing agent that nickel solution is taken off in the cyanogen compound conduct that contains that severe toxicity is arranged.Not enough for overcoming above reality, protect environment conscientiously, eliminate cyaniding and close pollution, realize the cleaner production of surface treatment industry, no cyaniding is taken off nickel solution develop.
Summary of the invention
Technical problem to be solved by this invention provides a kind of no cyaniding and takes off nickel solution, it replaces traditional containing cyanogen compound as taking off the nickel solution complexing agent with nontoxic organic amine mixture quadrol, can effectively take off except that the electroless nickel layer on the matrixes such as iron and steel, electroless nickel layer, have the nickel of taking off totally, fast, characteristics such as etched the matrix, safety and environmental protection not.
The technical scheme that the present invention solves its technical problem employing is: it is by following composition
A, m-nitrobenzene sodium sulfonate 120～180 g/L
Mixture 15～30 g/L of one or both in b, ammonium persulphate, the SODIUMNITRATE
C, quadrol 100～150ml/L
D, Sodium dimethyldithiocarbamate 40min 8～15 g/L
Mixture 10～20 g/L of a kind of in e, Padil, monoethanolamine, Sulfothiorine or the hexamethylenetetramine or two kinds
F, ammoniacal liquor 40～60ml/L
Mixture 10～20 g/L of one or both in g, sodium hydroxide or the salt of wormwood
Volumetric concentration form.
The present invention compares the beneficial effect that is produced with prior art:
1, owing to adopt with non-toxic organic amine compound quadrol and replace containing cyanogen compound as the complexing agent that takes off nickel solution, can eliminate tradition and take off prussiate in the nickel solution to the pollution of environment with to the mankind's harm, help cleaning, environmental protection production.
2, this solution use properties is stable, can instantly join, and the starting material wide material sources, cost is low.
3, have the nickel of taking off totally, fast, characteristics such as etched the matrix, safety and environmental protection not.
Embodiment
Prescription one
Prescription two
Prescription three
Prescription four
When nickel solution is taken off in preparation, at first add the pure water of 1/3 volume capacity in taking off the nickel groove, the m-nitrobenzene sodium sulfonate of aequum, ammonium persulphate, SODIUMNITRATE be dissolving after stirring in groove; The diamino dithio sodium formiate of aequum, Padil, monoethanolamine, Sulfothiorine, hexamethylenetetramine, sodium hydroxide, salt of wormwood join in the groove after with the pure water dissolving while stirring; The ammoniacal liquor that adds aequum at last stirs and adds pure water to operating liquid level.
Claims (5)
1. a no cyaniding is moved back nickel solution, it is characterized in that it is by following composition
A, m-nitrobenzene sodium sulfonate 120～180 g/L
One or both mixtures 15～30 g/L in b, ammonium persulphate, the SODIUMNITRATE
C, quadrol 100～150ml/L
D, diamino dithio sodium formiate 8～15 g/L
In e, Padil, monoethanolamine, Sulfothiorine or the hexamethyl tetramine any or two kinds of mixture 10～20 g/L
F, ammoniacal liquor 40～60ml/L
One or both mixtures 10～20 g/L in g, sodium hydroxide or the salt of wormwood
Volumetric concentration form.
2. no cyaniding according to claim 1 is moved back nickel solution, it is characterized in that it is by following composition
A, m-nitrobenzene sodium sulfonate 130～150 g/L
B, ammonium persulphate 20～25 g/L
C, quadrol 110～140ml/L
D, diamino dithio sodium formiate 10～12 g/L
E, Padil 10～15 g/L
F, ammoniacal liquor 50～60ml/L
G, sodium hydroxide 15～20 g/L
Volumetric concentration form.
3. no cyaniding according to claim 1 is moved back nickel solution, it is characterized in that it is by following composition
A, m-nitrobenzene sodium sulfonate 140～170 g/L
B, SODIUMNITRATE 15～20 g/L
C, quadrol 120～150ml/L
D, diamino dithio sodium formiate 10～15 g/L
E, monoethanolamine 15～20 g/L
F, ammoniacal liquor 40～50ml/L
G, sodium hydroxide 12～15 g/L
Volumetric concentration form.
4. no cyaniding according to claim 1 is moved back nickel solution, it is characterized in that it is by following composition
A, m-nitrobenzene sodium sulfonate 120～150 g/L
B, ammonium persulphate 20～25 g/L
C, quadrol 120～140ml/L
D, diamino dithio sodium formiate 8～12 g/L
E, Sulfothiorine 10～15 g/L
F, ammoniacal liquor 40～60ml/L
G, sodium hydroxide 15～20 g/L
Volumetric concentration form.
5. no cyaniding according to claim 1 is moved back nickel solution, it is characterized in that it is by following composition
A, m-nitrobenzene sodium sulfonate 140～180 g/L
B, ammonium persulphate 25～30g/L
C, quadrol 110～140ml/L
D, diamino dithio sodium formiate 10～12 g/L
E, hexamethylenetetramine 12～15 g/L
F, ammoniacal liquor 45～55ml/L
G, salt of wormwood 15～20 g/L
Volumetric concentration form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110222803 CN102268674B (en) | 2011-08-05 | 2011-08-05 | Non-cyanide chemical nickel-stripping solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110222803 CN102268674B (en) | 2011-08-05 | 2011-08-05 | Non-cyanide chemical nickel-stripping solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102268674A true CN102268674A (en) | 2011-12-07 |
| CN102268674B CN102268674B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110222803 Expired - Fee Related CN102268674B (en) | 2011-08-05 | 2011-08-05 | Non-cyanide chemical nickel-stripping solution |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839378A (en) * | 2012-09-29 | 2012-12-26 | 株洲南车时代电气股份有限公司 | Chemical deplating liquid for nickel-plating layer of copper busbar and application method of chemical deplating liquid |
| CN103409755A (en) * | 2013-05-16 | 2013-11-27 | 太原双塔刚玉股份有限公司 | High-efficiency environment-friendly nickel stripper and preparation method thereof |
| CN106148963A (en) * | 2016-06-24 | 2016-11-23 | 惠州市博美环保新材料有限公司 | A kind of environmental-protecting chemical stripping nickel agent and strip method thereof |
| CN108359989A (en) * | 2018-03-22 | 2018-08-03 | 广州本康环保科技有限公司 | A kind of circuit board nickel-copper alloy layer chemistry strip composition and its strip method |
| CN108517522A (en) * | 2018-03-22 | 2018-09-11 | 广州本康环保科技有限公司 | A kind of PBC/Sn/NiCu structural circuits plate nickel-copper alloy layer chemistry strip composition and its strip method |
| CN111411362A (en) * | 2020-06-02 | 2020-07-14 | 蓝思科技（长沙）有限公司 | Chemical nickel removing agent and method for iron matrix |
| CN113186533A (en) * | 2021-04-29 | 2021-07-30 | 长沙永安新材料有限公司 | Nickel removing agent and nickel removing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845631A (en) * | 2010-06-03 | 2010-09-29 | 深圳市创智成功科技有限公司 | Nickel-removing solution for adverse chemical nickel plating layer of printed circuit board and preparation method thereof and method for removing adverse chemical nickel plating layer |
-
2011
- 2011-08-05 CN CN 201110222803 patent/CN102268674B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845631A (en) * | 2010-06-03 | 2010-09-29 | 深圳市创智成功科技有限公司 | Nickel-removing solution for adverse chemical nickel plating layer of printed circuit board and preparation method thereof and method for removing adverse chemical nickel plating layer |
Non-Patent Citations (2)
| Title |
|---|
| 《电镀与涂饰》 20060831 孙立杰 一种化学退镍剂的研制 18-20 1-5 第25卷, 第8期 * |
| 《表面技术》 20090430 林海燕等 乙二胺-磷酸型退镍液研究 63-69 1-5 第38卷, 第2期 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839378A (en) * | 2012-09-29 | 2012-12-26 | 株洲南车时代电气股份有限公司 | Chemical deplating liquid for nickel-plating layer of copper busbar and application method of chemical deplating liquid |
| CN102839378B (en) * | 2012-09-29 | 2014-06-11 | 株洲南车时代电气股份有限公司 | Chemical deplating liquid for nickel-plating layer of copper busbar and application method of chemical deplating liquid |
| CN103409755A (en) * | 2013-05-16 | 2013-11-27 | 太原双塔刚玉股份有限公司 | High-efficiency environment-friendly nickel stripper and preparation method thereof |
| CN106148963A (en) * | 2016-06-24 | 2016-11-23 | 惠州市博美环保新材料有限公司 | A kind of environmental-protecting chemical stripping nickel agent and strip method thereof |
| CN108359989A (en) * | 2018-03-22 | 2018-08-03 | 广州本康环保科技有限公司 | A kind of circuit board nickel-copper alloy layer chemistry strip composition and its strip method |
| CN108517522A (en) * | 2018-03-22 | 2018-09-11 | 广州本康环保科技有限公司 | A kind of PBC/Sn/NiCu structural circuits plate nickel-copper alloy layer chemistry strip composition and its strip method |
| CN108517522B (en) * | 2018-03-22 | 2019-10-25 | 龙南骏亚精密电路有限公司 | A kind of PCB/Sn/NiCu structural circuit plate nickel-copper alloy layer chemistry strip composition and its strip method |
| CN111411362A (en) * | 2020-06-02 | 2020-07-14 | 蓝思科技（长沙）有限公司 | Chemical nickel removing agent and method for iron matrix |
| CN113186533A (en) * | 2021-04-29 | 2021-07-30 | 长沙永安新材料有限公司 | Nickel removing agent and nickel removing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102268674B (en) | 2013-01-09 |
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