CN110578165A - Electrochemical polishing solution for titanium cathode roller and method for polishing cathode roller by using same - Google Patents
Electrochemical polishing solution for titanium cathode roller and method for polishing cathode roller by using same Download PDFInfo
- Publication number
- CN110578165A CN110578165A CN201911057657.0A CN201911057657A CN110578165A CN 110578165 A CN110578165 A CN 110578165A CN 201911057657 A CN201911057657 A CN 201911057657A CN 110578165 A CN110578165 A CN 110578165A
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- Prior art keywords
- polishing
- cathode
- cathode roller
- electrochemical polishing
- anode
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/26—Polishing of heavy metals of refractory metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
Abstract
The invention provides an electrochemical polishing solution for a titanium cathode roller and a method for polishing the cathode roller by using the same, aiming at the problem that the existing grinding method for removing the oxide layer on the surface of the cathode roller wastes time and labor, wherein the polishing solution is prepared by dispersing nitrilotriacetic acid, oxalic acid, citric acid and fatty acid methyl ester polyoxyethylene ether in deionized water, wherein the concentration of the nitrilotriacetic acid is 5-100g/L, the concentrations of the oxalic acid and the citric acid are both 1-50g/L, and the concentration of the fatty acid methyl ester polyoxyethylene ether is 1-10 g/L. After the polishing solution is used for polishing, the surface of the cathode roller is flat and smooth, the surface roughness Ra value can reach 0.2-0.4 mu m, and the polishing is time-saving and labor-saving.
Description
Technical Field
The invention belongs to the technical field of cathode roller polishing, and particularly relates to an electrochemical polishing solution for a titanium cathode roller and a method for polishing the cathode roller by using the same.
Background
The electrolytic copper foil is used as a 'neural network' for signal and power transmission and communication of electronic products, and plays a vital role in the high-speed development of the electronic information industry at present. The cathode roll is used as a core device for producing the electrolytic copper foil, and the surface quality of the cathode roll determines the performance of the copper foil. The surface oxidation of the cathode roller leads to the reduction of the quality of the copper foil after the cathode roller is produced in an acid electrolyte for a period of time, the common method for removing the surface oxidation of the cathode roller at present is a mechanical grinding method, the time required for grinding one cathode roller is more than 10 hours on average, and simultaneously, a grinding wheel is consumed, the time and the labor are wasted, and the reduction of the production rate of the copper foil is caused.
Disclosure of Invention
The invention provides an electrochemical polishing solution for a titanium cathode roller and a method for polishing the cathode roller by using the same, aiming at solving the problem that the existing grinding method for removing the oxide layer on the surface of the cathode roller wastes time and labor, wherein after the cathode roller is polished by using the polishing solution provided by the invention, the surface of the cathode roller is flat and smooth, the surface roughness Ra value can reach 0.2-0.4 mu m, and the polishing is time-saving and labor-saving.
The invention adopts the following technical scheme:
An electrochemical polishing solution for a titanium cathode roller is prepared by dispersing nitrilotriacetic acid, oxalic acid, citric acid and fatty acid methyl ester polyoxyethylene ether in deionized water, wherein the concentration of the nitrilotriacetic acid is 5-100g/L, the concentrations of the oxalic acid and the citric acid are both 1-50g/L, and the concentration of the fatty acid methyl ester polyoxyethylene ether is 1-10 g/L.
The method for polishing the titanium cathode roller by using the electrochemical polishing solution comprises the steps of taking the cathode roller to be polished as a cathode and a titanium plate or a zinc plate as an anode, and placing the cathode and the anode in the electrochemical polishing solution during polishing, wherein the rotating speed of the cathode roller is 2-4m/min, and the current density is 0.5-4A/cm2And polishing for 0.5-2 h.
Preferably, the polar distance between the cathode and the anode is 5-20mm during polishing.
preferably, the temperature of the electrochemical polishing solution is 10-40 ℃ during polishing.
Preferably, the main body of the electrochemical polishing device used during polishing is an electrochemical polishing tank, the electrochemical polishing tank is filled with electrochemical polishing liquid, the anode plate is arranged at the bottom in the electrochemical polishing tank, the cathode roller is arranged at the upper part of the electrochemical polishing tank through a rotating shaft, the cathode roller can rotate around the rotating shaft, the lower half part of the cathode roller is immersed in the electrochemical polishing liquid, a constant-current power supply is arranged outside the electrochemical polishing tank, the anode of the constant-current power supply is communicated with the cathode roller through a cathode lead, the cathode of the constant-current power supply is communicated with the anode plate through an anode lead, and a conductive copper bar is arranged between the anode plate and the anode lead.
The invention has the following beneficial effects:
The invention provides an electrochemical polishing solution, which comprises the following components: nitrilotriacetic acid, oxalic acid, citric acid and fatty acid methyl ester polyoxyethylene ether. The titanium cathode roller is polished to be flat and smooth in surface, and the surface roughness Ra value can reach 0.2-0.4 mu m.
Drawings
FIG. 1 is a schematic view of an electrochemical polishing apparatus used in examples;
In the figure: (1) the electrochemical polishing groove (3) of the cathode roller (2), the anode plate (4), the conductive copper bar (5), the anode conductive wire (6), the cathode conductive wire (7) and a constant current power supply are arranged.
Detailed Description
In order to make the technical purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments.
A schematic diagram of an electrochemical polishing apparatus used in the following embodiment is shown in fig. 1, a main body of the electrochemical polishing apparatus is an electrochemical polishing tank 2, the electrochemical polishing tank 2 contains an electrochemical polishing solution, the anode plate 3 is disposed at the bottom of the electrochemical polishing tank 2, the cathode roller 1 is disposed at the upper portion of the electrochemical polishing tank 2 through a rotating shaft, the cathode roller 1 can rotate around the rotating shaft, the lower portion of the cathode roller 1 is immersed in the electrochemical polishing solution, a constant-current power supply 7 is disposed outside the electrochemical polishing tank 2, an anode of the constant-current power supply 7 is communicated with the cathode roller 1 through a cathode lead 6, a cathode of the constant-current power supply 7 is communicated with the anode plate 3 through an anode lead 5, and a conductive copper bar 4 is disposed between the anode plate 3 and the anode lead 5.
Example 1
The polishing solution comprises the following components: deionized water is used as a solvent, wherein the concentration of each component is as follows: 20g/L of nitrilotriacetic acid, 10g/L of oxalic acid and citric acid and 5g/L of fatty acid methyl ester polyoxyethylene ether, cleaning an oxidized cathode roller, then hanging the cathode roller into a polishing device, wherein the temperature of the polishing liquid is 15 ℃, the rotating speed of the cathode roller is 2m/min, an anode plate is a titanium anode plate, the polar distance is 10mm, and the current density is 0.5A/cm2And polishing for 30min, after polishing, cleaning the cathode roller with clean water again, and putting into use, wherein the surface of the cathode roller polished by the embodiment is flat and smooth, and the surface roughness Ra is 0.3 mu m.
example 2
The polishing solution comprises the following components: deionized water is used as a solvent, wherein the concentration of each component is as follows: 30g/L of nitrilotriacetic acid, 20g/L of oxalic acid and citric acid and 8g/L of fatty acid methyl ester polyoxyethylene ether, cleaning an oxidized cathode roller, then hanging the cathode roller into a polishing device, wherein the temperature of the polishing liquid is 25 ℃, the rotating speed of the cathode roller is 3m/min, an anode plate is a titanium anode plate, the polar distance is 15mm, and the current density is 1A/cm2And polishing for 60min, cleaning with clean water again, and polishing the cathode roller with a flat and smooth surface with a surface roughness Ra of 0.25 μm.
Finally, it should be noted that: the above embodiments are merely illustrative and not restrictive of the technical solutions of the present invention, and any equivalent substitutions and modifications or partial substitutions made without departing from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The electrochemical polishing solution for the titanium cathode roller is characterized by being prepared by dispersing nitrilotriacetic acid, oxalic acid, citric acid and fatty acid methyl ester polyoxyethylene ether in deionized water, wherein the concentration of the nitrilotriacetic acid is 5-100g/L, the concentrations of the oxalic acid and the citric acid are both 1-50g/L, and the concentration of the fatty acid methyl ester polyoxyethylene ether is 1-10 g/L.
2. The method for polishing by using the electrochemical polishing solution for the titanium cathode roll according to claim 1, wherein the cathode roll to be polished is used as a cathode, a titanium plate or a zinc plate is used as an anode, and the cathode and the anode are placed in the electrochemical polishing solution during polishing, wherein the rotating speed of the cathode roll is 2 to 4m/min, and the current density is 0.5 to 4A/cm2And polishing for 0.5-2 h.
3. The method of claim 2, wherein the cathode and anode are separated by a distance of 5-20mm during polishing.
4. The method of claim 2, wherein the electrochemical polishing solution is at a temperature of 10-40 ℃ during polishing.
5. The method according to claim 2, wherein the electrochemical polishing apparatus used for polishing comprises an electrochemical polishing bath, the electrochemical polishing bath contains an electrochemical polishing solution, the anode plate is disposed at the bottom of the electrochemical polishing bath, the cathode roller is disposed at the upper part of the electrochemical polishing bath through a rotating shaft, the cathode roller can rotate around the rotating shaft, the lower half part of the cathode roller is immersed in the electrochemical polishing solution, a constant current power supply is disposed outside the electrochemical polishing bath, the anode of the constant current power supply is communicated with the cathode roller through a cathode lead, the cathode of the constant current power supply is communicated with the anode plate through an anode lead, and a conductive copper bar is disposed between the anode plate and the anode lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911057657.0A CN110578165B (en) | 2019-11-01 | 2019-11-01 | Electrochemical polishing solution for titanium cathode roller and method for polishing cathode roller by using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911057657.0A CN110578165B (en) | 2019-11-01 | 2019-11-01 | Electrochemical polishing solution for titanium cathode roller and method for polishing cathode roller by using same |
Publications (2)
| Publication Number | Publication Date |
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| CN110578165A true CN110578165A (en) | 2019-12-17 |
| CN110578165B CN110578165B (en) | 2021-01-08 |
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| CN201911057657.0A Active CN110578165B (en) | 2019-11-01 | 2019-11-01 | Electrochemical polishing solution for titanium cathode roller and method for polishing cathode roller by using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964923A (en) * | 2019-12-24 | 2020-04-07 | 中南大学 | Device and method for deep replacement copper extraction under multi-field coupling |
| CN111235606A (en) * | 2020-03-02 | 2020-06-05 | 广东嘉元科技股份有限公司 | Method for online polishing and scratch prevention of cathode roller and foil forming machine for scratch prevention cathode roller |
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| US2885810A (en) * | 1957-01-22 | 1959-05-12 | Roehlen Engraving Works Inc | Method and means for etching rollers |
| CN101665661A (en) * | 2008-09-05 | 2010-03-10 | 安集微电子科技(上海)有限公司 | Application of amine compounds and chemical mechanical polishing solution |
| CN102312277A (en) * | 2011-10-25 | 2012-01-11 | 厦门大学 | Electrochemical polishing electrolyte adopted for titanium and titanium alloy, use method thereof |
| CN107937977A (en) * | 2017-12-20 | 2018-04-20 | 西安泰金工业电化学技术有限公司 | A kind of cathode roll electrolytic polishing liquid and polishing method |
| CN109023378A (en) * | 2018-08-17 | 2018-12-18 | 常州大学 | A kind of cathode roll chemical polishing solution and polishing method |
| CN109097779A (en) * | 2018-08-28 | 2018-12-28 | 常州大学 | A kind of electrolytic copper foil titanium cathode roller chemical polishing solution and polishing method |
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2019
- 2019-11-01 CN CN201911057657.0A patent/CN110578165B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2885810A (en) * | 1957-01-22 | 1959-05-12 | Roehlen Engraving Works Inc | Method and means for etching rollers |
| CN101665661A (en) * | 2008-09-05 | 2010-03-10 | 安集微电子科技(上海)有限公司 | Application of amine compounds and chemical mechanical polishing solution |
| CN102312277A (en) * | 2011-10-25 | 2012-01-11 | 厦门大学 | Electrochemical polishing electrolyte adopted for titanium and titanium alloy, use method thereof |
| CN107937977A (en) * | 2017-12-20 | 2018-04-20 | 西安泰金工业电化学技术有限公司 | A kind of cathode roll electrolytic polishing liquid and polishing method |
| CN109023378A (en) * | 2018-08-17 | 2018-12-18 | 常州大学 | A kind of cathode roll chemical polishing solution and polishing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964923A (en) * | 2019-12-24 | 2020-04-07 | 中南大学 | Device and method for deep replacement copper extraction under multi-field coupling |
| CN110964923B (en) * | 2019-12-24 | 2023-09-19 | 中南大学 | Device and method for extracting copper by deep replacement under multi-field coupling |
| CN111235606A (en) * | 2020-03-02 | 2020-06-05 | 广东嘉元科技股份有限公司 | Method for online polishing and scratch prevention of cathode roller and foil forming machine for scratch prevention cathode roller |
| CN111235606B (en) * | 2020-03-02 | 2020-09-18 | 广东嘉元科技股份有限公司 | Method for online polishing and scratch prevention of cathode roller and foil forming machine for scratch prevention cathode roller |
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| Publication number | Publication date |
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| CN110578165B (en) | 2021-01-08 |
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