CN108930058B - Electrochemical treatment liquid and application thereof - Google Patents
Electrochemical treatment liquid and application thereof Download PDFInfo
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- CN108930058B CN108930058B CN201810736840.2A CN201810736840A CN108930058B CN 108930058 B CN108930058 B CN 108930058B CN 201810736840 A CN201810736840 A CN 201810736840A CN 108930058 B CN108930058 B CN 108930058B
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- treatment liquid
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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
Abstract
The invention belongs to the field of chemical electroplating, and particularly relates to an electrochemical treatment liquid and application thereof, in particular to an electrochemical treatment liquid for treating a laser-engraved workpiece. The electrochemical treatment fluid comprises the following components in parts by weight: 640 parts of sulfuric acid 270-. When the electrochemical treatment liquid is used for treating a laser-engraved workpiece, an oxide layer formed on the workpiece can be removed, and the workpiece cannot be oxidized again; when the electrochemical treatment liquid is used for treating a laser-engraved workpiece, the body of the workpiece is not influenced, and the pattern structure of the workpiece is ensured not to deform; when the electrochemical treatment liquid is used for treating a laser-engraved workpiece, the brightness of the surface of the workpiece can be increased, and the requirements of subsequent processes are further met.
Description
Technical Field
The invention belongs to the field of chemical electroplating, and particularly relates to an electrochemical treatment liquid and application thereof, in particular to an electrochemical treatment liquid for electrochemically treating a laser engraved workpiece.
Background
The laser engraving is a processing technology taking laser as a processing medium, and the processing material is instantly melted and gasified under the irradiation of the laser to achieve the purpose of processing. The laser processing is characterized in that the laser processing is not in contact with the surface of a material and is not influenced by mechanical movement.
In the electroplating industry, laser engraving processing is to burn a copper layer and white oil on the surface of a workpiece by using high temperature generated by laser. Laser engraving can form a very thick oxide layer on the surface of copper, and when a common phosphoric acid treatment solution is used, the thick oxide layer cannot be completely removed under the condition that mesh points are not deformed. In addition, when the common phosphoric acid polishing solution is used for treatment, the dot structure is damaged no matter the current density is increased or the treatment time is prolonged, so that the surface of a workpiece is blackened, and the subsequent electroplating process is not facilitated.
The electrochemical treatment is also called electrochemical polishing or electrolytic polishing, and is characterized by that it uses the polished workpiece as anode and uses insoluble metal as cathode, and simultaneously immerses both electrodes in electrolytic bath, and utilizes direct current to produce selective anode dissolution so as to obtain the effect of raising surface brightness of workpiece. When the laser engraved workpiece is subjected to electrochemical treatment, an oxide layer formed on the surface of the workpiece needs to be selectively dissolved without influencing the body of the workpiece, so that the selection of a proper electrochemical treatment solution is very important. The existing electrochemical treatment liquid mainly comprises phosphoric acid, glycerol, thiourea and the like, and the treated workpiece mainly has the following defects: (1) after the workpiece is treated at high current for a long time, the surface temperature of the workpiece rises sharply, the surface of the workpiece is oxidized rapidly, and the shape change of the mesh points is not easy to observe; (2) after the electrochemical treatment, a layer of thick white film (additive decomposer residue) is formed on the surface of the workpiece, which is not beneficial to the reprocessing of the subsequent procedures; (3) the workpiece is easy to corrode after long-time treatment; (4) after the oxide layer at the bottom of the mesh point is removed, the top of the mesh point is seriously deformed.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide an electrochemical treatment fluid for electrochemically treating a laser engraved work piece. When the electrochemical treatment liquid is used for treating a laser-engraved workpiece, oxidation and corrosion of the surface of the workpiece cannot be caused, an oxide layer at the bottom of a mesh point can be thoroughly removed under the condition that the mesh point is not deformed, the brightness of the surface of the workpiece is increased, and the requirements of subsequent processes are further met.
The invention is realized by the following technical scheme:
an electrochemical treatment fluid comprises the following components in parts by weight:
an electrochemical treatment fluid comprises the following components in parts by weight:
an electrochemical treatment fluid comprises the following components in parts by weight:
preferably, the density of the sulfuric acid is 1.84g/cm3The density of the phosphoric acid is 1.71g/cm3。
Preferably, the brightener is sulfosalicylic acid.
The application of the electrochemical treatment fluid is used for electrochemically treating a laser engraved workpiece.
The invention has the beneficial effects that:
(1) when the electrochemical treatment liquid is used for treating a laser-engraved workpiece, an oxide layer formed on the workpiece can be removed, and the workpiece cannot be oxidized again;
(2) when the electrochemical treatment liquid is used for treating a laser-engraved workpiece, the body of the workpiece is not influenced, and the lattice point pattern structure of the workpiece is ensured not to deform;
(3) when the electrochemical treatment liquid is used for treating a laser-engraved workpiece, the brightness of the surface of the workpiece can be increased, and the requirements of subsequent processes are further met.
Drawings
FIG. 1 is a picture of a dot after electrochemical polishing of a laser engraved work piece with an electrochemical treatment solution of the present invention;
FIG. 2 is a photograph of a dot after electrochemical polishing of a laser engraved work piece with a conventional electrochemical treatment fluid.
Detailed Description
The electrochemical treatment liquid of the present invention will be described in further detail with reference to specific examples.
Example 1
An electrochemical treatment fluid comprises the following components in parts by weight:
example 2
An electrochemical treatment fluid comprises the following components in parts by weight:
example 3
An electrochemical treatment fluid comprises the following components in parts by weight:
example 4
An electrochemical treatment fluid comprises the following components in parts by weight:
example 5
An electrochemical treatment fluid comprises the following components in parts by weight:
test examples
The electrochemical treatment liquid and the common electrochemical treatment liquid in the embodiments 1 to 5 of the invention are used for carrying out electrochemical treatment on the workpiece subjected to laser engraving, and the specific treatment process comprises the following steps: scrubbing oil stains (deoiling at normal temperature) of the workpiece by using a deoiling agent, and then performing electrochemical polishing. The parameters of electrochemical polishing are as follows:
polishing time: 5-30 min;
temperature of the polishing solution: 25 ℃;
polishing current density: 40A/dm2；
Electrochemical treatment mode: the printing roller rotates circumferentially;
the rotating speed of the printing roller is as follows: 24mm/s
Distance between cathode and anode: 50mm
Cathode material: 304 stainless steel plate
Anode material: copper workpiece after laser engraving
The soaking mode is as follows: semi-immersed.
As can be seen from FIGS. 1 and 2, the workpiece blackened after the electrochemical polishing of the laser engraved copper workpiece with the electrochemical treatment liquid of the present invention, because the net-shaped structure is not destroyed during the electrochemical treatment; the workpiece is whitened after the laser engraved copper workpiece is chemically polished by using common electrochemical treatment liquid, because the net-shaped structure is damaged in the electrochemical treatment process. In the actual production process, the higher the blackness of the workpiece after electrochemical polishing, the better the market reverberation.
Claims (4)
1. The electrochemical polishing treatment solution for the copper workpiece subjected to laser engraving is characterized by comprising the following components in parts by weight:
the density of the sulfuric acid is 1.84g/cm3The density of the phosphoric acid is 1.71g/cm3；
The brightener is sulfosalicylic acid.
2. The electrochemical polishing treatment solution of claim 1, which comprises the following components in parts by weight:
3. the electrochemical polishing treatment solution according to claim 2, comprising the following components in parts by weight:
4. use of the electrochemical polishing treatment solution according to any one of claims 1 to 3 for electrochemically treating a laser engraved copper workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736840.2A CN108930058B (en) | 2018-07-06 | 2018-07-06 | Electrochemical treatment liquid and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810736840.2A CN108930058B (en) | 2018-07-06 | 2018-07-06 | Electrochemical treatment liquid and application thereof |
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| Publication Number | Publication Date |
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| CN108930058A CN108930058A (en) | 2018-12-04 |
| CN108930058B true CN108930058B (en) | 2020-07-21 |
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| CN201810736840.2A Active CN108930058B (en) | 2018-07-06 | 2018-07-06 | Electrochemical treatment liquid and application thereof |
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| FR3089836B1 (en) * | 2018-12-17 | 2021-02-19 | Safran Aircraft Engines | Electrolyte for the electrochemical machining of nickel-based superalloys type γ-γ " |
| CN115352216A (en) * | 2022-08-12 | 2022-11-18 | 涞水县星豪铜艺有限公司 | Cloisonne enamel matrix embossment hollow-out process and cloisonne enamel product thereof |
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| CN101720352B (en) * | 2007-05-17 | 2015-11-25 | 安格斯公司 | For removing the new antioxidant of formula after CPM |
| US20090056231A1 (en) * | 2007-08-28 | 2009-03-05 | Daniela White | Copper CMP composition containing ionic polyelectrolyte and method |
| CN105143517A (en) * | 2013-04-22 | 2015-12-09 | 高级技术材料公司 | Copper cleaning and protection formulations |
| CN103395277A (en) * | 2013-07-31 | 2013-11-20 | 汕头市精工东捷制版有限公司 | Manufacturing method of high-definition laser direct carving gravure plate |
| CN107813647A (en) * | 2017-10-31 | 2018-03-20 | 中铝东南材料院（福建）科技有限公司 | The aluminium sheet ink and wash and its manufacture craft of a kind of laser engraving |
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Denomination of invention: An electrochemical treatment solution and its application Effective date of registration: 20220905 Granted publication date: 20200721 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: HESHAN SEIKO PLATEMAKING Co.,Ltd. Registration number: Y2022980014345 |