CN1267749A - Lead-tin anode scavenger for chromium plating process - Google Patents
Lead-tin anode scavenger for chromium plating process Download PDFInfo
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- CN1267749A CN1267749A CN 00105776 CN00105776A CN1267749A CN 1267749 A CN1267749 A CN 1267749A CN 00105776 CN00105776 CN 00105776 CN 00105776 A CN00105776 A CN 00105776A CN 1267749 A CN1267749 A CN 1267749A
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- clean
- out system
- lead
- scavenger
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Abstract
The scavenger consists of strong base, sodium salt of strong acid, dodecyl sodium sulfate, disodium complexonate and water. During compounding the scavenger, the strong base and the sodium salt are first dissolved in water, and the dodecyl sodium sulfate and disodium complexonate are then added into the solution. The scavenger has excellent scavenging effect and no corrosion to lead-tin anode.
Description
The present invention relates to a kind of clean-out system that is used for the chrome-plated process lead-tin anode, belong to the electroplating technology field.
In chrome-plated process, generally adopt terne metal as anode, after the certain period was carried out in plating, the terne metal anode surface can adhere to one deck dirt, and this layer dirt mainly is lead chromate and lead sulfate.Lead chromate and lead sulfate are water insoluble, but attached on the terne metal rod, if untimely removing can influence the electric conductivity and the electroplating efficiency of electrode.Traditional removing way is a mechanical grinding, promptly with water cleaning again behind the sand paper removal dirt.This method method both wasted time and energy, and influenced the anodic size again.Once the someone adopted based on sodium hydroxide, suitably added the clean-out system that yellow soda ash is made, though this clean-out system has certain cleaning performance, its cleaning performance is not ideal enough, and antianode has certain corrosive nature.
The objective of the invention is to propose a kind of lead-tin anode clean-out system that is used for chrome-plated process, adopting very strong alkali of cleanup action and chromium cooperation is the main clean-out system of forming with stronger organic acid salt, a spot of tensio-active agent and inhibiter have been added simultaneously, with the infiltration situation of improving the clean-out system antianode with further prevent the anodic corrosion.
The lead-tin anode clean-out system that is used for chrome-plated process that the present invention proposes, this clean-out system is made up of the composition of following weight percent:
Highly basic 5～15%
Strong acid sodium salt 5～10%
Sodium lauryl sulphate 0～0.6%
Disodium EDTA 0～0.6%
All the other are water
Above-mentioned highly basic and strong acid sodium salt is even with water dissolution in proportion, add sodium dodecyl and disodium EDTA again, stir, be clean-out system of the present invention.
This clean-out system has better cleaning effect, and in cleaning process lead-tin anode is not had corrosive nature.In order to have good cleaning performance and low corrodibility simultaneously, utilize this clean-out system cleaning terne metal anodic way to be, the terne metal anode is immersed in the clean-out system tens of minutes, dirt on the lead-tin anode i.e. dissolving voluntarily, with cloth wiping anode gently, the water flushing gets final product again, uses very convenient.
Clean-out system main component of the present invention is a highly basic, and as NaOH and KOH, content is 5～15%, and cleanup action is poor very little, and too many corrodibility is strong, makes operation and disposes waste liquid and all add to the difficulties.Auxiliary clean-out system is the strong acid sodium salt, they can be yellow soda ash, sodium oxalate, sodium tartrate, Trisodium Citrate, Sunmorl N 60S etc., content is 5～10%, can in addition also be added with tensio-active agent, as sodium lauryl sulphate and inhibiter with wherein one or more are used, disodium EDTA content is below 1%, and all the other are water.The sodium salt of highly basic and strong acid is even with water dissolution in proportion, add tensio-active agent and inhibiter again, stir, promptly get clean-out system.
Be clean-out system preparation embodiment below.
Embodiment one
Sodium hydroxide 7
Trisodium Citrate 10
Yellow soda ash 8
Sodium dodecyl 0.5
Disodium EDTA 0.5
Water (deionized water) 74
Embodiment two:
Potassium hydroxide 10
Trisodium Citrate 5
Yellow soda ash 5
Sunmorl N 60S 5
Disodium EDTA 0.5
Water (deionized water) 74.5
Embodiment three:
Sodium hydroxide 13
Sodium tartrate 6
Yellow soda ash 4
Sunmorl N 60S 5
Disodium EDTA 0.5
Water (deionized water) 71.5
Embodiment four:
Sodium hydroxide 10
Yellow soda ash 5
Sunmorl N 60S 5
Sodium dodecyl 0.5
Water (deionized water) 74.5
Weigh up according to the required amount of medicament of above-mentioned prescription, after deionized water dissolving, add tensio-active agent (SDS) and inhibiter (disodium EDTA) again, stir and to use, will desire cleaning electrode and immerse in the clean-out system tens of minutes, take out the back and clean electrode gently with cloth, water flushing then, electrode can restore to the original state, when electrode soaks, if can add sonic oscillation, better effects if.
Claims (3)
1, a kind of lead-tin anode clean-out system that is used for chrome-plated process is characterized in that this clean-out system is made up of the composition of following weight percent:
Highly basic 5～15%
Strong acid sodium salt 5～10%
Sodium lauryl sulphate 0～0.6%
Disodium EDTA 0～0.6%
All the other are water
Above-mentioned highly basic and strong acid sodium salt is even with water dissolution in proportion, add sodium dodecyl and disodium EDTA again, stir, be clean-out system of the present invention.
2, clean-out system as claimed in claim 1 is characterized in that, wherein said highly basic is sodium hydroxide or potassium hydroxide.
3, clean-out system as claimed in claim 1 is characterized in that, wherein said strong acid sodium salt is one or more in yellow soda ash, sodium tartrate, Trisodium Citrate, the Sunmorl N 60S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105776 CN1267749A (en) | 2000-04-07 | 2000-04-07 | Lead-tin anode scavenger for chromium plating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105776 CN1267749A (en) | 2000-04-07 | 2000-04-07 | Lead-tin anode scavenger for chromium plating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1267749A true CN1267749A (en) | 2000-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00105776 Pending CN1267749A (en) | 2000-04-07 | 2000-04-07 | Lead-tin anode scavenger for chromium plating process |
Country Status (1)
| Country | Link |
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| CN (1) | CN1267749A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220187A (en) * | 2010-06-03 | 2011-10-19 | 厦门易冠化工有限公司 | Powder alkali cleaner |
| CN102304440A (en) * | 2011-08-09 | 2012-01-04 | 厦门易冠化工有限公司 | High-performance alkaline powder cleaning agent |
| CN103628081A (en) * | 2013-03-27 | 2014-03-12 | 北京化工大学 | Metallic lead surface cleaning agent and cleaning method |
| CN103805981A (en) * | 2012-11-13 | 2014-05-21 | 比亚迪股份有限公司 | Nickel passivation solution, preparation method thereof and method for passivating nickel surface |
| CN103882460A (en) * | 2014-04-18 | 2014-06-25 | 北京中科创新科技发展中心 | Degreasing and derusting two-in-one purifying liquid |
| CN106757089A (en) * | 2017-02-27 | 2017-05-31 | 广东省工业分析检测中心 | The cleaning fluid of stainless steel filter screen in a kind of Infrared Carbon-sulphur absorption apparatus |
| CN111575754A (en) * | 2019-06-13 | 2020-08-25 | 胡云亮 | Environment-friendly synchronous wax and oil removing cleaning agent before plating |
| CN111910189A (en) * | 2020-07-14 | 2020-11-10 | 广东省稀有金属研究所 | Method for removing dirt on surface of noble metal oxide electrode |
| CN112011799A (en) * | 2020-08-18 | 2020-12-01 | 九江德福科技股份有限公司 | Additive for cleaning titanium anode plate of electrolytic cell and cleaning method |
| CN115305161A (en) * | 2022-07-22 | 2022-11-08 | 福建紫金铜箔科技有限公司 | Electrolytic copper foil anode plate cleaning agent and preparation method thereof |
-
2000
- 2000-04-07 CN CN 00105776 patent/CN1267749A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220187A (en) * | 2010-06-03 | 2011-10-19 | 厦门易冠化工有限公司 | Powder alkali cleaner |
| CN102304440A (en) * | 2011-08-09 | 2012-01-04 | 厦门易冠化工有限公司 | High-performance alkaline powder cleaning agent |
| CN102304440B (en) * | 2011-08-09 | 2013-06-05 | 厦门易冠化工有限公司 | High-performance alkaline powder cleaning agent |
| CN103805981A (en) * | 2012-11-13 | 2014-05-21 | 比亚迪股份有限公司 | Nickel passivation solution, preparation method thereof and method for passivating nickel surface |
| CN103628081B (en) * | 2013-03-27 | 2016-07-06 | 北京化工大学 | The abluent of a kind of Metallic lead surface and cleaning method |
| CN103628081A (en) * | 2013-03-27 | 2014-03-12 | 北京化工大学 | Metallic lead surface cleaning agent and cleaning method |
| CN103882460A (en) * | 2014-04-18 | 2014-06-25 | 北京中科创新科技发展中心 | Degreasing and derusting two-in-one purifying liquid |
| CN106757089A (en) * | 2017-02-27 | 2017-05-31 | 广东省工业分析检测中心 | The cleaning fluid of stainless steel filter screen in a kind of Infrared Carbon-sulphur absorption apparatus |
| CN111575754A (en) * | 2019-06-13 | 2020-08-25 | 胡云亮 | Environment-friendly synchronous wax and oil removing cleaning agent before plating |
| CN111910189A (en) * | 2020-07-14 | 2020-11-10 | 广东省稀有金属研究所 | Method for removing dirt on surface of noble metal oxide electrode |
| CN111910189B (en) * | 2020-07-14 | 2021-12-17 | 广东省科学院稀有金属研究所 | Method for removing dirt on surface of noble metal oxide electrode |
| CN112011799A (en) * | 2020-08-18 | 2020-12-01 | 九江德福科技股份有限公司 | Additive for cleaning titanium anode plate of electrolytic cell and cleaning method |
| CN115305161A (en) * | 2022-07-22 | 2022-11-08 | 福建紫金铜箔科技有限公司 | Electrolytic copper foil anode plate cleaning agent and preparation method thereof |
| CN115305161B (en) * | 2022-07-22 | 2023-06-20 | 福建紫金铜箔科技有限公司 | Electrolytic copper foil anode plate cleaning agent and preparation method thereof |
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