CN102400203B - Chromium plating anode of trivalent chromium chloride system - Google Patents
Chromium plating anode of trivalent chromium chloride system Download PDFInfo
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- CN102400203B CN102400203B CN201110353290.4A CN201110353290A CN102400203B CN 102400203 B CN102400203 B CN 102400203B CN 201110353290 A CN201110353290 A CN 201110353290A CN 102400203 B CN102400203 B CN 102400203B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
Abstract
The invention discloses a chromium plating anode of a trivalent chromium chloride system and provides a chromium plating anode of a trivalent chromium chloride system. The chromium plating anode contains ruthenium, iridium and titanium, has certain mechanical strength, and can be used for overcoming the defect that the chromium plating graphite anode of the traditional trivalent chromium chloride system is easy to fracture and cannot be processed and molded into the anode of complex shape easily. The chromium plating anode disclosed by the invention further has the advantages of strong dispersive power and covering power and corrosion resistance, and can be widely applied to the electroplating process for the trivalent chromium chloride system.
Description
Technical field
The present invention relates to field of electroplating, in particular, relate to a kind of chromium plating anode of trivalent chromium chloride system.
Background technology
Chromium has good ornamental and functional.Using the most general industrialization process is at present sexavalent chrome chromium plating, and still, sexavalent chrome harm is huge.The World Health Organization, Europe and the U.S. etc. more and more pay close attention to chromic harm, constantly reduce the emission standard of hexavalent chromium wastewater.Trivalent chromium plating, as most important, the most direct hexavalent chromium plating technique that effectively substitutes, all has unrivaled superiority than hexavalent chromium plating from processing performance or environment protection.As less in trivalent chromium bath damage ratio, its toxicity is only chromic 1%, do not produce harmful mist of chromic acid, and bath concentration is low when plating, and sewage disposal is simple, as long as wastewater pH is transferred to more than 8, is settled out Cr (OH)
3; Theoretically, under same current density, Electrodeposition of Trivalent Chromium speed can reach chromic 2 times, and its solution dispersibility, covering power are better than chromic acid bath, and bright current density range is wider, is suitable for the part chromium plating that shape is comparatively complicated; Chromic current efficiency is higher than sexavalent chrome chromium plating, can reach 25%; Trivalent chromium technique can be on zinc, zine pressure casting or titanium directly chromium plating, also can carry out barrel plating chromium; Trivalent chromium bath can be in normal temperature work, save energy; Trivalent chromium coating is a continuous tiny crack chromium, and solidity to corrosion is higher than Chromic Acid, and hardness is not less than Chromic Acid layer; Current density range is wide, is 015～100A/dm
2; Be not subject to the impact of current interruptions etc.
But chromium plating anode of trivalent chromium chloride system uses graphite material to make conventionally, because graphitic embrittlement is large, easily rupture, be difficult for being processed into the anode of shape complexity.
Therefore, a kind of easily moulding of exploitation, the chromium plating anode of trivalent chromium chloride system with certain physical strength has great importance.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of chromium plating anode of trivalent chromium chloride system, its easy moulding, there is certain physical strength, can overcome existing trivalent chromium chloride system chromium plating graphite anode and easily rupture, be difficult for being processed into the shortcoming of the complicated anode of shape.
The present invention realizes by following technique means: a kind of chromium plating anode of trivalent chromium chloride system, and anode core is graphite, described anode surface is coated with ruthenium, iridium, titanium metal.
The present invention also can do following improvement:
Described metal Ru content is 5-150 gram/m; Metal iridium content is 5-150 gram/m; Metal titanium content is 5-150 gram/m.
Described metal Ru content is 30-110 gram/m; Metal iridium content is 30-110 gram/m; Metal titanium content is 30-110 gram/m.
The chromium plating of described trivalent chromium chloride system, except using anode of the present invention, other can be conventional various trivalent chromium chloride system chromium plating electroplate liquids and the processing condition that use in this area.
Compared with prior art, the invention has the beneficial effects as follows: 1) there is certain physical strength, not easy fracture.Tensile strength >=420MPa; Yield strength: >=355Mpa.
2) the chromium plating anode of trivalent chromium chloride system pollution of the present invention's use is little, toxicity is low.
3) known by comparative example, a kind of chromium plating anode of trivalent chromium chloride system of the present invention has advantages of that dispersive ability, covering power are strong.
4) known by comparative example, a kind of chromium plating anode of trivalent chromium chloride system of the present invention has corrosion resistant advantage.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but do not form any limitation of the invention.
Embodiment 1
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 30 grams/m, metal iridium content is 30 grams/m, metal titanium content is 30 grams/m, obtains anode A 1.
Embodiment 2
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 70 grams/m, metal iridium content is 70 grams/m, metal titanium content is 70 grams/m, obtains anode A 2.
Embodiment 3
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 110 grams/m, metal iridium content is 110 grams/m, metal titanium content is 110 grams/m, obtains anode A 3.
Embodiment 4
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 30 grams/m, metal iridium content is 110 grams/m, metal titanium content is 110 grams/m, obtains anode A 4.
Embodiment 5
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 30 grams/m, metal iridium content is 110 grams/m, metal titanium content is 30 grams/m, obtains anode A 5.
Embodiment 6
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 30 grams/m, metal iridium content is 70 grams/m, metal titanium content is 30 grams/m, obtains anode A 6.
Embodiment 7
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 30 grams/m, metal iridium content is 70 grams/m, metal titanium content is 70 grams/m, obtains anode A 7.
Embodiment 8
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 70 grams/m, metal iridium content is 30 grams/m, metal titanium content is 110 grams/m, obtains anode A 8.
Embodiment 9
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 70 grams/m, metal iridium content is 70 grams/m, metal titanium content is 110 grams/m, obtains anode A 9.
Embodiment 10
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 5 grams/m, metal iridium content is 5 grams/m, metal titanium content is 150 grams/m, obtains anode A 10.
Embodiment 11
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 150 grams/m, metal iridium content is 150 grams/m, metal titanium content is 5 grams/m, obtains anode A 11.
Embodiment 12
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 150 grams/m, metal iridium content is 150 grams/m, metal titanium content is 150 grams/m, obtains anode A 12.
Embodiment 13
A kind of chromium plating anode of trivalent chromium chloride system of the present invention, get graphite anode, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, surface coverage metal Ru content is 5 grams/m, metal iridium content is 5 grams/m, metal titanium content is 5 grams/m, obtains anode A 13.
Comparative example
Adopt the conventional trivalent chromium chloride system chromium plating graphite anode using in this area, specification is: 12 centimetres of length, 5 centimetres of width, 0.2 centimetre of thickness, obtain anode B1.
Employing electroplating bath components is: chromium sulphate 120 grams per liters, Potassium Bromide 15 grams per liters, Repone K 200 grams per liters, boric acid 55 grams per liters, sodium formiate 8 grams per liters, ammonium acetic acid 10 grams per liters, sulfosuccinate 0.2 grams per liter, polyvalent alcohol surfactant 0.6 grams per liter.It is 8 amperes at galvanic current, pH is 2.8, temperature is under 35 ℃ of conditions, the anode of embodiment 1-13 and comparative example is carried out respectively in volume is the Hull Cell of 267 milliliters to the Hull Cell test piece test of 2 minutes, and negative electrode adopts the standard cyan copper sheet (10 centimetres * 7 centimetres) after bright nickel plating.Evaluate anode performance from Deposit appearance, coating bright range, three indexs of anode appearance.Test result is as shown in table 1.
The different anode performance evaluation tables of table 1
| Embodiment numbering | Anode numbering | Deposit appearance | Coating bright range | Anode appearance |
| Embodiment 1 | A1 | White light | 8.2 centimetre | Have no corrosion default |
| Embodiment 2 | A2 | White light | 8.5 centimetre | Have no corrosion default |
| Embodiment 3 | A3 | White light | 8.4 centimetre | Have no corrosion default |
| Embodiment 4 | A4 | White light | 8.6 centimetre | Have no corrosion default |
| Embodiment 5 | A5 | White light | 8.5 centimetre | Have no corrosion default |
| Embodiment 6 | A6 | White light | 8.3 centimetre | Have no corrosion default |
| Embodiment 7 | A7 | White light | 8.1 centimetre | Have no corrosion default |
| Embodiment 8 | A8 | White light | 8.7 centimetre | Have no corrosion default |
| Embodiment 9 | A9 | White light | 8.3 centimetre | Have no corrosion default |
| Embodiment 10 | A10 | White light | 8.4 centimetre | Have no corrosion default |
| Embodiment 11 | A11 | White light | 8.2 centimetre | Have no corrosion default |
| Embodiment 12 | A12 | White light | 8.5 centimetre | Have no corrosion default |
| Embodiment 13 | A13 | White light | 8.0 centimetre | Have no corrosion default |
| Comparative example | B | White light | 7.8 centimetre | There is a small amount of graphite dust |
Can find out from the test result shown in table 1, compared with the anode of embodiment 1-13 anode and comparative example, the bright coating of embodiment 1-13 anode reaches more than 8 centimetres, is up to 8.7 centimetres, is greater than 7.8 centimetres of comparative example.And embodiment 1-13 outward appearance has no corrosion default, and comparative example outward appearance has a small amount of graphite dust, illustrate that the anode that the present invention adopts is applicable to trivalent chromium chloride system anode and has large, the corrosion resistant advantage of bright coating scope.
The above embodiments are only the preferred embodiments of the present invention, can not limit interest field of the present invention with this, and therefore, the equivalent variations of doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.
Claims (2)
1. a chromium plating anode of trivalent chromium chloride system, described anode core is graphite, it is characterized in that: described anode surface is coated with ruthenium, iridium, titanium metal; Described metal Ru content is 5-150 gram/m; Metal iridium content is 5-150 gram/m; Metal titanium content is 5-150 gram/m.
2. a kind of chromium plating anode of trivalent chromium chloride system according to claim 1, is characterized in that: described metal Ru content is 30-110 gram/m; Metal iridium content is 30-110 gram/m; Metal titanium content is 30-110 gram/m.
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| CN201110353290.4A CN102400203B (en) | 2011-11-09 | 2011-11-09 | Chromium plating anode of trivalent chromium chloride system |
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| CN102400203B true CN102400203B (en) | 2014-06-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560815A (en) * | 1994-06-27 | 1996-10-01 | Permelec Electrode Ltd. | Electrolytic chromium plating method using trivalent chromium |
| US6251254B1 (en) * | 1998-09-30 | 2001-06-26 | Permelec Electrode Ltd. | Electrode for chromium plating |
| CN1541285A (en) * | 2001-02-06 | 2004-10-27 | 美国过滤公司 | Electrode coating and its use in prodn. of chlorate |
| CN1818148A (en) * | 2006-01-13 | 2006-08-16 | 杨胜奇 | Combined anode for trivalent chromium plating technology |
| CN1849414A (en) * | 2003-10-08 | 2006-10-18 | 阿克佐诺贝尔公司 | Electrode |
| CN101078132A (en) * | 2006-05-26 | 2007-11-28 | 中国科学院兰州化学物理研究所 | Method for electrodepositing wearable thick chromium coating in trivalency chromium coating solution |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126797A (en) * | 1984-07-13 | 1986-02-06 | Toyo Soda Mfg Co Ltd | Chromium alloy plating method using ion exchanger film |
| JPH06126797A (en) * | 1992-10-20 | 1994-05-10 | Toyoda Gosei Co Ltd | Device for injection molding of thermoplatic rein |
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- 2011-11-09 CN CN201110353290.4A patent/CN102400203B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560815A (en) * | 1994-06-27 | 1996-10-01 | Permelec Electrode Ltd. | Electrolytic chromium plating method using trivalent chromium |
| US6251254B1 (en) * | 1998-09-30 | 2001-06-26 | Permelec Electrode Ltd. | Electrode for chromium plating |
| CN1541285A (en) * | 2001-02-06 | 2004-10-27 | 美国过滤公司 | Electrode coating and its use in prodn. of chlorate |
| CN1849414A (en) * | 2003-10-08 | 2006-10-18 | 阿克佐诺贝尔公司 | Electrode |
| CN1818148A (en) * | 2006-01-13 | 2006-08-16 | 杨胜奇 | Combined anode for trivalent chromium plating technology |
| CN101078132A (en) * | 2006-05-26 | 2007-11-28 | 中国科学院兰州化学物理研究所 | Method for electrodepositing wearable thick chromium coating in trivalency chromium coating solution |
Non-Patent Citations (2)
| Title |
|---|
| 金属阳极三元涂层电解槽的运行及管理;崔长根等;《氯碱工业》;20080930;第44卷(第9期);第15页1涂层结构的选择 * |
| 钛基钛钌铱三元氧化物涂层pH电极的研究;丰达明等;《广东有色金属学报》;19980531;第8卷(第1期);第62-66页 * |
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