CN104047008A - Copper cleaning process - Google Patents
Copper cleaning process Download PDFInfo
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- CN104047008A CN104047008A CN201410283922.8A CN201410283922A CN104047008A CN 104047008 A CN104047008 A CN 104047008A CN 201410283922 A CN201410283922 A CN 201410283922A CN 104047008 A CN104047008 A CN 104047008A
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Abstract
The invention discloses a copper cleaning process and aims to provide a method which is simple, feasible and capable of efficiently removing oil stains, rust stains and oxidation films on the surface of copper. The method sequentially comprises the following steps of (1) shaking copper to be subjected to oil removal at normal temperature, and soaking the copper into an oil removal tank with an oil removal solution for 10-30s; (2) cleaning copper to be clean by using clear water after taking out the copper soaked in the step (1); (3) soaking the copper cleaned in the step (2) into a polishing tank with a polishing solution at normal temperature for 1-3min; (4) cleaning copper to be clean by using clear water after taking out the copper soaked in the step (3); (5) soaking the copper cleaned in the step (4) into a passivation tank with a copper anti-tarnishing solution at normal temperature for 7-9min; (6) cleaning copper to be clean by using clear water after taking out the copper soaked in the step (5). The copper cleaning process belongs to the technical field of metal cleaning.
Description
Technical field
The present invention relates to a kind of copper cleaning, specifically, relate to a kind of technique of cleaning copper surface blot, belong to metal cleaning technical field.
Background technology
Copper metalluster is good, and its conductivity is almost suitable with silver, and price is only 1/20th of silver, and therefore, cost performance, copper powder is more satisfactory a kind of conductive filler material.These characteristics of copper powder make it in fields such as conductive resin, conductive plastics, electrically conducting coatings, be widely used.But fine copper powder specific surface area is large, and chemical property is active, in air, be easily oxidized, cause material color dimmed, ornamental variation, and oxide compound is isolator, so just makes electro-conductive material be difficult in use procedure, keeping good conductivity for a long time.Therefore, how preventing that copper powder is oxidized in the preparatory phase of material and use procedure, is the key issue of copper based material applied research.But prior art is prepared copper powder antioxidant and existed cost high, and the copper powder antioxidant anti oxidation time of preparation is short.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of simplely, can efficiently remove the method for copper surface and oil contaminant, rust stain, oxide film.
For this reason, technical scheme provided by the invention is such: the technique that this copper cleans, the method comprises the steps: successively
1) copper that needs oil removing is shaken be at normal temperatures immersed in degreasing fluid is housed go out oil groove 10-30s;
2) by step 1) copper after soaking rinses well with clear water after taking out;
3) by step 2) copper after cleaning is immersed in the polishing trough 1-3min that polishing fluid is housed at normal temperatures;
4) by step 3) copper after soaking rinses well with clear water after taking out;
5) by step 4) copper after cleaning is immersed in the deactivation slot 7-9min that the anti-variable color liquid of copper is housed at normal temperatures;
6) step 5) copper after immersion is rinsed oven dry well with clear water after taking out.
The technique that above-mentioned copper cleans, described polishing fluid pH value is 2.
The technique that above-mentioned copper cleans, described degreasing fluid is comprised of the degreaser of 1 weight part and the water of 6-10 weight part.
The technique that above-mentioned copper cleans, every liter of described degreaser is containing following component: oxalic acid 120-200g, carbonate 100-150g, fatty alcohol-polyoxyethylene ether 10-30g, alkylphenol polyoxyethylene 2-5g, thiocarbamide 5-15g, disodium ethylene diamine tetraacetate 20-40g, surplus is water.
The technique that above-mentioned copper cleans, described polishing fluid is comprised of the rumbling compound of 1 weight part and the water of 1 weight part.
The technique that above-mentioned copper cleans, every liter of described copper rumbling compound contains following component: hydrogen peroxide 200-500g, nitrilotriacetic acid disodium 10-30g, butyl carbitol 30-60g, acid 80～120g, inhibiter 3-8g, phenylcarbinol 40-80g, surplus is water.
The technique that above-mentioned copper cleans, the anti-variable color liquid of described copper pH value is 5-6.5.
The technique that above-mentioned copper cleans, the anti-variable color liquid of described copper is comprised of the anti-blushing agent of 1 weight part and the water of 10 weight parts.
The technique that above-mentioned copper cleans, every liter of described anti-blushing agent is containing following component: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 50-100g, ethanol 50-100g, hydrogen peroxide 80-150g, inhibiter 20-40g, lsothiocyanates 10-20g, alkyl-sulphate 8-15g, Sodium orthomolybdate 10-20g, tripoly phosphate sodium STPP 8-12g, surplus is water.
The technique that above-mentioned copper cleans, described bake out temperature is 90-100 ℃
Compared with prior art, technical scheme tool provided by the invention has the following advantages:
1. copper purging method of the present invention, the several functions such as cleaning performance is good, can remove rapidly the corrosion material on copper surface, oil removing, removes oxide compound, antirust, Cleaning and polishing, improves the luminance brightness of metallic surface, simple to operate, metal products noresidue.
2, the technique that copper provided by the invention cleans has no adverse effects to workpiece, not defective work piece.
Embodiment
Below in conjunction with concrete enforcement, claim of the present invention is described in further detail, the modification of the limited number of time that anyone makes within the scope of the claims in the present invention, still within claim protection domain of the present invention.
Embodiment 1
The technique that a kind of copper provided by the invention cleans, the method comprises the steps: successively
1) copper that needs oil removing is shaken be at normal temperatures immersed in degreasing fluid is housed go out oil groove 30s;
2) by step 1) copper after soaking rinses well with clear water after taking out;
3) by step 2) copper after cleaning is immersed in the polishing trough 1min that polishing fluid is housed at normal temperatures;
4) by step 3) copper after soaking rinses well with clear water after taking out;
5) by step 4) copper after cleaning is immersed in the deactivation slot 9min that the anti-variable color liquid of copper is housed at normal temperatures;
6) step 5) copper after immersion is rinsed 90 ℃ of oven dry well with clear water after taking out.
Wherein:
Described degreasing fluid is comprised of the degreaser of 1 weight part and the water of 10 weight parts.
Specifically, every liter of every liter of degreaser is containing following component: oxalic acid 150g, and sodium bicarbonate 120g, fatty alcohol-polyoxyethylene ether 10g, alkylphenol polyoxyethylene 3g, thiocarbamide 10g, disodium ethylene diamine tetraacetate 40g, surplus is water.
Described polishing fluid is comprised of the degreaser of 1 weight part and the water of 1 weight part, and pH value is 2.
Specifically, every liter of copper rumbling compound contains following component: hydrogen peroxide 500g, and nitrilotriacetic acid disodium 10g, butyl carbitol 60g, citric acid 80g, acetyl monoethanolamine 8g, phenylcarbinol 40g, surplus is water.
The anti-variable color liquid of described copper pH value is 5; By the anti-blushing agent of 1 weight part and the water of 10 weight parts, formed.
Specifically, every liter of described anti-blushing agent contains following component: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 50g, ethanol 100g, and hydrogen peroxide 80g, benzotriazole 40g, lsothiocyanates 10g, dodecyl sulfate 15g, Sodium orthomolybdate 10g, tripoly phosphate sodium STPP 12g, surplus is water.
Embodiment 2
The method of the anti-variable color of another kind of copper provided by the invention, the method comprises the steps: successively
1) copper that needs oil removing is shaken be at normal temperatures immersed in degreasing fluid is housed go out oil groove 10s;
2) by step 1) copper after soaking rinses well with clear water after taking out;
3) by step 2) copper after cleaning is immersed in the polishing trough 3min that polishing fluid is housed at normal temperatures;
4) by step 3) copper after soaking rinses well with clear water after taking out;
5) by step 4) copper after cleaning is immersed in the deactivation slot 8min that the anti-variable color liquid of copper is housed at normal temperatures;
6) step 5) copper after immersion is rinsed 95 ℃ of oven dry well with clear water after taking out.
Wherein:
Described degreasing fluid is comprised of the degreaser of 1 weight part and the water of 6 weight parts.
Specifically, every liter of every liter of degreaser is containing following component: oxalic acid 150g, and sodium bicarbonate 120g, fatty alcohol-polyoxyethylene ether 10g, alkylphenol polyoxyethylene 3g, thiocarbamide 10g, disodium ethylene diamine tetraacetate 40g, surplus is water.
Described polishing fluid is comprised of the rumbling compound of 1 weight part and the water of 1 weight part, and pH value is 2.
Specifically, every liter of copper rumbling compound contains following component: hydrogen peroxide 200g, and nitrilotriacetic acid disodium 30g, butyl carbitol 30g, citric acid 120g, acetyl monoethanolamine 3g, phenylcarbinol 80g, surplus is water.
The anti-variable color liquid of described copper pH value is 6; By the anti-variable color of 1 weight part and the water of 10 weight parts, formed.
Specifically, every liter of described anti-blushing agent contains following component: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 50g, ethanol 100g, and hydrogen peroxide 80g, benzotriazole 40g, lsothiocyanates 10g, dodecyl sulfate 15g, Sodium orthomolybdate 10g, tripoly phosphate sodium STPP 12g, surplus is water.
Embodiment 3
The method of the anti-variable color of another kind of copper provided by the invention, the method comprises the steps: successively
1) copper that needs oil removing is shaken be at normal temperatures immersed in degreasing fluid is housed go out oil groove 20s;
2) by step 1) copper after soaking rinses well with clear water after taking out;
3) by step 2) copper after cleaning is immersed in the polishing trough 2min that polishing fluid is housed at normal temperatures;
4) by step 3) copper after soaking rinses well with clear water after taking out;
5) by step 4) copper after cleaning is immersed in the deactivation slot 7min that the anti-variable color liquid of copper is housed at normal temperatures;
6) step 5) copper after immersion is rinsed 100 ℃ of oven dry well with clear water after taking out.
Wherein:
Described degreasing fluid is comprised of the degreaser of 1 weight part and the water of 8 weight parts.
Specifically, every liter of every liter of degreaser is containing following component: oxalic acid 180g, and sodium bicarbonate 150g, fatty alcohol-polyoxyethylene ether 20g, alkylphenol polyoxyethylene 4g, thiocarbamide 8g, disodium ethylene diamine tetraacetate 35g, surplus is water.
Described polishing fluid is comprised of the rumbling compound of 1 weight part and the water of 1 weight part, and pH value is 2.
Specifically, every liter of copper rumbling compound contains following component: hydrogen peroxide 300g, and nitrilotriacetic acid disodium 30g, butyl carbitol 30g, citric acid 100g, acetyl monoethanolamine 38g, phenylcarbinol 50g, surplus is water.
The anti-variable color liquid of described copper pH value is 6.5; By the anti-blushing agent of 1 weight part and the water of 10 weight parts, formed.
Specifically, every liter of described anti-blushing agent contains following component: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 50g, ethanol 100g, and hydrogen peroxide 80g, benzotriazole 40g, lsothiocyanates 10g, dodecyl sulfate 15g, Sodium orthomolybdate 10g, tripoly phosphate sodium STPP 12g, surplus is water.
Claims (10)
1. the technique that copper cleans, is characterized in that, the method comprises the steps: successively
1) copper that needs oil removing is shaken be at normal temperatures immersed in degreasing fluid is housed go out oil groove 10-30s;
2) by step 1) copper after soaking rinses well with clear water after taking out;
3) by step 2) copper after cleaning is immersed in the polishing trough 1-3min that polishing fluid is housed at normal temperatures;
4) by step 3) copper after soaking rinses well with clear water after taking out;
5) by step 4) copper after cleaning is immersed in the deactivation slot 7-9min that the anti-variable color liquid of copper is housed at normal temperatures;
6) step 5) copper after immersion is rinsed oven dry well with clear water after taking out.
2. the technique that copper according to claim 1 cleans, is characterized in that, described degreasing fluid is comprised of the degreaser of 1 weight part and the water of 6-10 weight part.
3. the technique that copper according to claim 2 cleans, it is characterized in that, every liter of described degreaser is containing following component: oxalic acid 120-200g, carbonate 100-150g, fatty alcohol-polyoxyethylene ether 10-30g, alkylphenol polyoxyethylene 2-5g, thiocarbamide 5-15g, disodium ethylene diamine tetraacetate 20-40g, surplus is water.
4. the technique that copper according to claim 1 cleans, is characterized in that, described polishing fluid pH value is 2.
5. the technique that copper according to claim 1 cleans, is characterized in that, described polishing fluid is comprised of the water of 1 weight part and the rumbling compound of 1 weight part.
6. the technique that copper according to claim 5 cleans, is characterized in that, every liter of described copper rumbling compound contains following component: hydrogen peroxide 200-500g, nitrilotriacetic acid disodium 10-30g, butyl carbitol 30-60g, acid 80～120g, inhibiter 3-8g, phenylcarbinol 40-80g, surplus is water.
7. the technique that copper according to claim 1 cleans, is characterized in that, the anti-variable color liquid of described copper pH value is 5-6.5.
8. the technique that copper according to claim 1 cleans, is characterized in that, the anti-variable color liquid of described copper is comprised of the anti-blushing agent of 1 weight part and the water of 10 weight parts.
9. the technique that copper according to claim 6 cleans, it is characterized in that, every liter of described anti-blushing agent is containing following component: 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 50-100g, ethanol 50-100g, hydrogen peroxide 80-150g, inhibiter 20-40g, lsothiocyanates 10-20g, alkyl-sulphate 8-15g, Sodium orthomolybdate 10-20g, tripoly phosphate sodium STPP 8-12g, surplus is water.
10. the technique that copper according to claim 1 cleans, is characterized in that, described bake out temperature is 90-100 ℃.
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| CN201410283922.8A CN104047008B (en) | 2014-06-23 | 2014-06-23 | The technique that a kind of copper cleans |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264163A (en) * | 2014-09-29 | 2015-01-07 | 江苏中容铜业有限公司 | Copper alloy pretreatment method |
| CN105907193A (en) * | 2016-04-29 | 2016-08-31 | 南京晨光艺术工程有限公司 | Anti-oxidation Buddha statue coloring liquid |
| CN106011866A (en) * | 2016-07-01 | 2016-10-12 | 百色学院 | Chemical polishing surface treatment method of copper tube workpiece |
| CN106676538A (en) * | 2017-01-18 | 2017-05-17 | 宁波金田铜业(集团)股份有限公司 | Environment-friendly technology for copper and copper alloy surface treatment |
| CN108411314A (en) * | 2018-04-02 | 2018-08-17 | 深圳市祥盛兴科技有限公司 | A kind of copper and copper alloy surface cleaning solution and preparation method thereof |
| CN108624237A (en) * | 2017-03-21 | 2018-10-09 | 上海铝通化学科技有限公司 | A kind of Chemical Millering Polishing liquid and abrasive polishing method |
| CN108842150A (en) * | 2018-07-23 | 2018-11-20 | 铜陵金力铜材有限公司 | A kind of copper product surface treatment method |
| CN110014143A (en) * | 2018-12-27 | 2019-07-16 | 江苏博迁新材料股份有限公司 | The preparation method of copper phosphorus coated composite powder |
| CN111041502A (en) * | 2019-12-25 | 2020-04-21 | 安徽力翔电池科技有限公司 | Cleaning process of oxygen-free copper |
| CN112458470A (en) * | 2020-11-26 | 2021-03-09 | 佛山市澳璟科技有限公司 | Novel neutral bright cleaning agent and preparation method and use method thereof |
| CN113976529A (en) * | 2021-10-25 | 2022-01-28 | 宁波江丰电子材料股份有限公司 | Cleaning method of copper target material |
| CN115125541A (en) * | 2022-05-19 | 2022-09-30 | 宁波博曼特工业有限公司 | Surface oxidation resistance treatment process of tin bronze |
| CN116075068A (en) * | 2022-12-27 | 2023-05-05 | 南通赛可特电子有限公司 | Cleaning and antioxidation process for preventing copper surface from oxidization based on copper foil of printed circuit board |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264163A (en) * | 2014-09-29 | 2015-01-07 | 江苏中容铜业有限公司 | Copper alloy pretreatment method |
| CN105907193A (en) * | 2016-04-29 | 2016-08-31 | 南京晨光艺术工程有限公司 | Anti-oxidation Buddha statue coloring liquid |
| CN106011866A (en) * | 2016-07-01 | 2016-10-12 | 百色学院 | Chemical polishing surface treatment method of copper tube workpiece |
| CN106676538A (en) * | 2017-01-18 | 2017-05-17 | 宁波金田铜业(集团)股份有限公司 | Environment-friendly technology for copper and copper alloy surface treatment |
| CN108624237B (en) * | 2017-03-21 | 2021-01-26 | 上海铝通化学科技有限公司 | Chemical grinding and polishing solution and grinding and polishing method |
| CN108624237A (en) * | 2017-03-21 | 2018-10-09 | 上海铝通化学科技有限公司 | A kind of Chemical Millering Polishing liquid and abrasive polishing method |
| CN108411314A (en) * | 2018-04-02 | 2018-08-17 | 深圳市祥盛兴科技有限公司 | A kind of copper and copper alloy surface cleaning solution and preparation method thereof |
| CN108842150A (en) * | 2018-07-23 | 2018-11-20 | 铜陵金力铜材有限公司 | A kind of copper product surface treatment method |
| CN110014143A (en) * | 2018-12-27 | 2019-07-16 | 江苏博迁新材料股份有限公司 | The preparation method of copper phosphorus coated composite powder |
| CN111041502A (en) * | 2019-12-25 | 2020-04-21 | 安徽力翔电池科技有限公司 | Cleaning process of oxygen-free copper |
| CN112458470A (en) * | 2020-11-26 | 2021-03-09 | 佛山市澳璟科技有限公司 | Novel neutral bright cleaning agent and preparation method and use method thereof |
| CN113976529A (en) * | 2021-10-25 | 2022-01-28 | 宁波江丰电子材料股份有限公司 | Cleaning method of copper target material |
| CN115125541A (en) * | 2022-05-19 | 2022-09-30 | 宁波博曼特工业有限公司 | Surface oxidation resistance treatment process of tin bronze |
| CN115125541B (en) * | 2022-05-19 | 2024-04-12 | 宁波博曼特工业有限公司 | Surface antioxidation treatment process for tin bronze |
| CN116075068A (en) * | 2022-12-27 | 2023-05-05 | 南通赛可特电子有限公司 | Cleaning and antioxidation process for preventing copper surface from oxidization based on copper foil of printed circuit board |
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Effective date of registration: 20170613 Address after: Qidong City, Jiangsu province 226241 Nantong lvsigang Tianfen electric tools trade city comprehensive building Patentee after: Qidong Tianfen Electric Tool Technology Innovation Center Address before: Wuzhou Hongling Changzhou District Road 543002 No. 108 the Guangxi Zhuang Autonomous Region Patentee before: Wuzhou Hengsheng Electronic Technology Co., Ltd. |
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Effective date of registration: 20170619 Address after: Nanhai District of Shishan Fengdan Yan Qiu Cun soil Patentee after: Foshan Nanhai Li Yuan metal auxiliary material Co., Ltd. Address before: Qidong City, Jiangsu province 226241 Nantong lvsigang Tianfen electric tools trade city comprehensive building Patentee before: Qidong Tianfen Electric Tool Technology Innovation Center |