CN104911641A - Environment-friendly trivalent chromium electroplating solution - Google Patents
Environment-friendly trivalent chromium electroplating solution Download PDFInfo
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- CN104911641A CN104911641A CN201510322355.7A CN201510322355A CN104911641A CN 104911641 A CN104911641 A CN 104911641A CN 201510322355 A CN201510322355 A CN 201510322355A CN 104911641 A CN104911641 A CN 104911641A
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Abstract
The invention discloses an environment-friendly trivalent chromium electroplating solution which is composed of the following raw materials: 10-12 parts of chromic sulfate, 10-12 parts of nickel sulfate, 10-12 parts of ferric sulfate, 8-10 parts of copper sulfate, 5-10 parts of zinc sulfate, 5-8 parts of potassium sulfate, 8-10 parts of potassium borate, 10-12 parts of iron borate, 5-8 parts of copper borate, 5-10 parts of sodium carbonate, 5-8 parts of ferrous sulfate, 5-8 parts of cobaltous hydroxide, 8-10 parts of sodium hypophosphite, 8-10 parts of potassium hypophosphite, 5-6 parts of aspartic acid, 6-10 parts of N-phenylaminoacetic acid, 6-10 parts of creatine ethyl ester hydrochloride, 6-8 parts of alanine and 200-150 parts of deionized water. The environment-friendly trivalent chromium electroplating solution has the advantages of sufficient coating thickness, favorable coating binding force, excellent appearance, excellent physical and mechanical properties, no chloride, high cleanness, no pollution, bright coating appearance and no crack.
Description
Technical field
The present invention relates to the technical field of electroplate liquid, particularly relate to a kind of environmental protection trivalent chromium plating solution.
Background technology
At present, the trivalent electroplating technology of prior art is divided into the mixed system of chloride system, sulfate system and two kinds according to main salt kind.Chloride system has the advantage that anode cost is low, sedimentation rate is higher, but many containing trace iron in coating, causes that coating is comparatively dark, solidity to corrosion is poor, and electroplating process Anodic has chlorine to separate out, etching apparatus, contaminate environment; Existing disclosed trivalent chromium sulfate plating solution less stable, the shortcomings such as composition is more complicated, responsive to impurity, and during plating, low, the high current density region of sedimentation rate is easily burnt, the higher and less stable of anode cost.
Summary of the invention
The object of the invention is the shortcoming in order to overcome above-mentioned prior art, a kind of environmental protection trivalent chromium plating solution is provided, the thickness of coating foot of this environmental protection trivalent chromium plating solution, binding force of cladding material is good, outward appearance and physical and mechanical properties superior, not chloride, cleanliness without any pollution, Deposit appearance light, flawless.
The technical solution adopted for the present invention to solve the technical problems is: a kind of environmental protection trivalent chromium plating solution, be made up of the feed composition of following number: 10-12 part chromium sulphate, 10-12 part single nickel salt, 10-12 part ferric sulfate, 8-10 part copper sulfate, 5-10 part zinc sulfate, 5-8 part potassium sulfate, 8-10 part potassium borate, 10-12 part iron borate, 5-8 part copper borate, 5-10 part sodium carbonate, 5-8 part ferrous sulfate, 5-8 part cobaltous hydroxide, 8-10 part sodium hypophosphite, 8-10 part potassium hypophosphite, 5-6 part Aspartic Acid, 6-10 part N-amino phenyl acetate, 6-10 part ethyl creatine ester hydrochloride, 6-8 part alanine, 200-150 part deionized water.
Further, the number of each feed composition is: 10 parts of chromium sulphates, 10 parts of single nickel salts, 10 parts of ferric sulfate, 8 parts of copper sulfate, 5 parts of zinc sulfate, 5 parts of potassium sulfate, 8 parts of potassium borates, 10 parts of iron borates, 5 parts of copper borates, 5 parts of sodium carbonate, 5 parts of ferrous sulfate, 5 parts of cobaltous hydroxides, 8 parts of sodium hypophosphites, 8 parts of potassium hypophosphites, 5 parts of Aspartic Acids, 6 parts of N-amino phenyl acetates, 6 parts of ethyl creatine ester hydrochlorides, 6 parts of alanines, 200 parts of deionized waters.
Or the number of each feed composition is: 12 parts of chromium sulphates, 12 parts of single nickel salts, 12 parts of ferric sulfate, 10 parts of copper sulfate, 10 parts of zinc sulfate, 8 parts of potassium sulfate, 10 parts of potassium borates, 12 parts of iron borates, 8 parts of copper borates, 10 parts of sodium carbonate, 8 parts of ferrous sulfate, 8 parts of cobaltous hydroxides, 10 parts of sodium hypophosphites, 10 parts of potassium hypophosphites, 6 parts of Aspartic Acids, 10 parts of N-amino phenyl acetates, 10 parts of ethyl creatine ester hydrochlorides, 8 parts of alanines, 150 parts of deionized waters.
In sum, the thickness of coating of environmental protection trivalent chromium plating solution of the present invention foot, binding force of cladding material is good, outward appearance and physical and mechanical properties superior, not chloride, cleanliness without any pollution, Deposit appearance light, flawless.
Embodiment
Embodiment 1
A kind of environmental protection trivalent chromium plating solution described by the present embodiment 1, is made up of the feed composition of following number: 10 parts of chromium sulphates, 10 parts of single nickel salts, 10 parts of ferric sulfate, 8 parts of copper sulfate, 5 parts of zinc sulfate, 5 parts of potassium sulfate, 8 parts of potassium borates, 10 parts of iron borates, 5 parts of copper borates, 5 parts of sodium carbonate, 5 parts of ferrous sulfate, 5 parts of cobaltous hydroxides, 8 parts of sodium hypophosphites, 8 parts of potassium hypophosphites, 5 parts of Aspartic Acids, 6 parts of N-amino phenyl acetates, 6 parts of ethyl creatine ester hydrochlorides, 6 parts of alanines, 200 parts of deionized waters.
Embodiment 2
A kind of environmental protection trivalent chromium plating solution described by the present embodiment 2, is made up of the feed composition of following number: 12 parts of chromium sulphates, 12 parts of single nickel salts, 12 parts of ferric sulfate, 10 parts of copper sulfate, 10 parts of zinc sulfate, 8 parts of potassium sulfate, 10 parts of potassium borates, 12 parts of iron borates, 8 parts of copper borates, 10 parts of sodium carbonate, 8 parts of ferrous sulfate, 8 parts of cobaltous hydroxides, 10 parts of sodium hypophosphites, 10 parts of potassium hypophosphites, 6 parts of Aspartic Acids, 10 parts of N-amino phenyl acetates, 10 parts of ethyl creatine ester hydrochlorides, 8 parts of alanines, 150 parts of deionized waters.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to technical scheme of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (3)
1. an environmental protection trivalent chromium plating solution, it is characterized in that, be made up of the feed composition of following number: 10-12 part chromium sulphate, 10-12 part single nickel salt, 10-12 part ferric sulfate, 8-10 part copper sulfate, 5-10 part zinc sulfate, 5-8 part potassium sulfate, 8-10 part potassium borate, 10-12 part iron borate, 5-8 part copper borate, 5-10 part sodium carbonate, 5-8 part ferrous sulfate, 5-8 part cobaltous hydroxide, 8-10 part sodium hypophosphite, 8-10 part potassium hypophosphite, 5-6 part Aspartic Acid, 6-10 part N-amino phenyl acetate, 6-10 part ethyl creatine ester hydrochloride, 6-8 part alanine, 200-150 part deionized water.
2. a kind of environmental protection trivalent chromium plating solution according to claim 1, it is characterized in that, the number of each feed composition is: 10 parts of chromium sulphates, 10 parts of single nickel salts, 10 parts of ferric sulfate, 8 parts of copper sulfate, 5 parts of zinc sulfate, 5 parts of potassium sulfate, 8 parts of potassium borates, 10 parts of iron borates, 5 parts of copper borates, 5 parts of sodium carbonate, 5 parts of ferrous sulfate, 5 parts of cobaltous hydroxides, 8 parts of sodium hypophosphites, 8 parts of potassium hypophosphites, 5 parts of Aspartic Acids, 6 parts of N-amino phenyl acetates, 6 parts of ethyl creatine ester hydrochlorides, 6 parts of alanines, 200 parts of deionized waters.
3. a kind of environmental protection trivalent chromium plating solution according to claim 1, it is characterized in that, the number of each feed composition is: 12 parts of chromium sulphates, 12 parts of single nickel salts, 12 parts of ferric sulfate, 10 parts of copper sulfate, 10 parts of zinc sulfate, 8 parts of potassium sulfate, 10 parts of potassium borates, 12 parts of iron borates, 8 parts of copper borates, 10 parts of sodium carbonate, 8 parts of ferrous sulfate, 8 parts of cobaltous hydroxides, 10 parts of sodium hypophosphites, 10 parts of potassium hypophosphites, 6 parts of Aspartic Acids, 10 parts of N-amino phenyl acetates, 10 parts of ethyl creatine ester hydrochlorides, 8 parts of alanines, 150 parts of deionized waters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510322355.7A CN104911641A (en) | 2015-06-13 | 2015-06-13 | Environment-friendly trivalent chromium electroplating solution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510322355.7A CN104911641A (en) | 2015-06-13 | 2015-06-13 | Environment-friendly trivalent chromium electroplating solution |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880512A (en) * | 2006-05-11 | 2006-12-20 | 武汉大学 | Trivalent chromium electroplating solution in sulfate system and method for preparing same |
| CN103510131A (en) * | 2012-06-26 | 2014-01-15 | 张益诚 | Electrochemical method for forming black trivalent chromium oxide coating and black trivalent chromium oxide coating |
| CN103668347A (en) * | 2012-09-04 | 2014-03-26 | 无锡福镁轻合金科技有限公司 | Environment-friendly trivalent chromium electroplating method |
| CN103668346A (en) * | 2012-09-04 | 2014-03-26 | 无锡福镁轻合金科技有限公司 | Environment-friendly trivalent chromium electroplating solution |
| CN104532306A (en) * | 2014-12-22 | 2015-04-22 | 常熟市伟达电镀有限责任公司 | Environment-friendly electroplate liquid |
| CN104694985A (en) * | 2013-12-09 | 2015-06-10 | 天津宾永胜电气引线科技有限公司 | Method for performing pulse chromium plating based on trivalent chromium in sulfate system |
-
2015
- 2015-06-13 CN CN201510322355.7A patent/CN104911641A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880512A (en) * | 2006-05-11 | 2006-12-20 | 武汉大学 | Trivalent chromium electroplating solution in sulfate system and method for preparing same |
| CN103510131A (en) * | 2012-06-26 | 2014-01-15 | 张益诚 | Electrochemical method for forming black trivalent chromium oxide coating and black trivalent chromium oxide coating |
| CN103668347A (en) * | 2012-09-04 | 2014-03-26 | 无锡福镁轻合金科技有限公司 | Environment-friendly trivalent chromium electroplating method |
| CN103668346A (en) * | 2012-09-04 | 2014-03-26 | 无锡福镁轻合金科技有限公司 | Environment-friendly trivalent chromium electroplating solution |
| CN104694985A (en) * | 2013-12-09 | 2015-06-10 | 天津宾永胜电气引线科技有限公司 | Method for performing pulse chromium plating based on trivalent chromium in sulfate system |
| CN104532306A (en) * | 2014-12-22 | 2015-04-22 | 常熟市伟达电镀有限责任公司 | Environment-friendly electroplate liquid |
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Application publication date: 20150916 |
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