CN109267113A - A kind of anti-oxidation technique of electrolytic copper foil and its system - Google Patents
A kind of anti-oxidation technique of electrolytic copper foil and its system Download PDFInfo
- Publication number
- CN109267113A CN109267113A CN201811380356.7A CN201811380356A CN109267113A CN 109267113 A CN109267113 A CN 109267113A CN 201811380356 A CN201811380356 A CN 201811380356A CN 109267113 A CN109267113 A CN 109267113A
- Authority
- CN
- China
- Prior art keywords
- oxidation
- copper foil
- electrolytic copper
- flow container
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
Abstract
The invention discloses a kind of anti-oxidation technique of electrolytic copper foil and its systems, prepare compound anti-oxidation liquid, and compound anti-oxidation liquid includes chromium trioxide, additive and pure water；The compound anti-oxidation liquid of preparation is kept the temperature at 23-27 DEG C；Copper foil is passed through in the groove body of the compound anti-oxidation liquid cooled down and carries out chemical plating.Sewage treatment of the present invention is simple and convenient, and demand temperature is low, and energy saving and drug concentration is low, saves raw material.
Description
Technical field
The present invention relates to a kind of anti-oxidation technique of copper foil and its system, the anti-oxidation technique of especially a kind of electrolytic copper foil and its
System.
Background technique
Electrolytic copper foil is in anti-oxidation processing generally using plating or chemical plating process.The process requirement uses anti-oxidation liquid,
And the anti-oxidation liquid of the prior art is frequently with Cr VI, and adds zinc salt, nickel salt etc. and be configured to anti-oxidation liquid.Liquid anti-oxidation in this way
In be added to heavy metal, cause the heavy metal in waste water type finally generated more, sewage treatment is relatively difficult, increases and is produced into
This, while using the anti-oxidation liquid of the prior art in electrolytic copper foil technical process, it is desirable that temperature it is higher, and need to carry out
Plating wastes energy.Finally, the concentration prepared of the anti-oxidation liquid of the prior art need it is higher can just play a role, cause medicament
Usage amount is big, at high cost.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of anti-oxidation technique of electrolytic copper foil and its systems, do not add
Heavy metal and require temperature low, drug concentration is low.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of anti-oxidation technique of electrolytic copper foil, it is characterised in that comprise the steps of:
Step 1: preparing compound anti-oxidation liquid, and compound anti-oxidation liquid includes chromium trioxide, additive and pure water；
Step 2: the compound anti-oxidation liquid being formulated into is kept the temperature at 23-27 DEG C；
Step 3: copper foil is passed through in the groove body of the compound anti-oxidation liquid cooled down and carries out chemical plating.
Further, in the compound anti-oxidation liquid mass percent of chromium trioxide and additive be respectively 0.05% ~
0.1% and 0.5% ~ 1%, remaining is pure water.
Further, the additive is two thiosulfonic acid potassium mixture of two sulphonic acid sodium of methyl and methyl.
Further, the mass fraction of two sulphonic acid sodium of methyl is 60% ~ 70% in the additive, two thiosulfonic acid potassium of methyl
Mass fraction be 30% ~ 40%.
Further, compound anti-oxidation liquid carries out double-filtration before being added in groove body in the step 3.
A kind of anti-oxidation system of electrolytic copper foil, it is characterised in that: include heat exchanger, compound anti-oxidation flow container and anti-oxidation
Slot is provided with blender in compound anti-oxidation flow container and compound anti-oxidation flow container upper end is provided with feed opening, compound anti-oxidation
The tank body side of flow container is provided with inlet and outlet piping and is connect by the inlet and outlet piping with heat exchanger, compound anti-oxidation flow container
Anti-oxidation liquid discharge port is connect with anti-oxidation tank by pipeline and anti-oxidation liquid after cooling is delivered in anti-oxidation tank, anti-oxidation
Two anti-oxidation rollers are provided in slot, both sides are respectively arranged with a guide roller on the upside of anti-oxidation tank, wherein outside a guide roller
Side is provided with wind-up roll, and copper foil is successively received after a guide roller, two anti-oxidation rollers and another guide roller by wind-up roll
Volume.
Further, it is provided with by-pass filtration tank and secondary filtration tank between the anti-oxidation flow container and anti-oxidation tank, one
Grade filtering tank import is connect by pipeline with the discharge port of anti-oxidation flow container, and the outlet of by-pass filtration tank passes through pipeline and secondary filtration
Tank import connection, the outlet of secondary filtration tank are connect by pipeline with anti-oxidation tank.
Further, the heat exchanger uses heat-exchangers of the plate type, and heat-exchangers of the plate type connects with anti-oxidation flow container all the way
Connect, heat-exchangers of the plate type another way connect cooling water to anti-oxidation liquid cooling but.
Further, temperature sensor is set in the tank body of the anti-oxidation flow container, is handed in anti-oxidation flow container and board-like heat
Water pump is set in parallel operation connecting pipe, and the unlatching of control water pump makes anti-oxidation liquid cycle through board-like heat exchange when temperature is higher than 25 DEG C
Device is cooled down, and the closing of control water pump makes anti-oxidation liquid stop circulation to stop cooling down when temperature is lower than 25 DEG C.
Further, auxiliary electrode is provided in the anti-oxidation tank.
Compared with prior art, the present invention having the following advantages that and effect:
1, the metal of the prior art is replaced in the anti-oxidation liquid that the anti-oxidation technique of electrolytic copper foil of the invention uses using additive
Salt is not present other heavy metal elements in waste water last in this way other than the Cr VI in anti-oxidation liquid, reduces at sewage
The difficulty and cost of reason；
2, the hexavalent chromium concentration that anti-oxidation liquid of the invention is prepared is low, and chromium trioxide dosage is few, has not only saved pharmaceutical use,
Cost is reduced, while sewage treatment is also more convenient；
3, the temperature that technique of the invention requires is low, and the consumption energy is few；
4, auxiliary electrode is arranged in system of the invention, can open low current auxiliary plating, to meet special anti-oxidation of client
It is required that.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the anti-oxidation system of electrolytic copper foil of the invention.
Specific embodiment
Below by embodiment, the present invention is described in further detail, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
A kind of anti-oxidation technique of electrolytic copper foil of the invention comprising the steps of:
Step 1: preparing compound anti-oxidation liquid, and compound anti-oxidation liquid includes chromium trioxide, additive and pure water；Electrolytic copper foil is anti-
The metal salt for replacing the prior art in the anti-oxidation liquid that oxidation technology uses using additive, in addition to anti-in waste water last in this way
Other heavy metal elements are not present outside Cr VI in oxidation solution, reduce the difficulty and cost of sewage treatment.
Wherein, the mass percent of chromium trioxide and additive is respectively 0.05% ~ 0.1% and 0.5% in compound anti-oxidation liquid
~ 1%, remaining is pure water.Additive is two thiosulfonic acid potassium mixture of two sulphonic acid sodium of methyl and methyl.Two sulphur of methyl in additive
The mass fraction of sodium sulfonate is 60% ~ 70%, and the mass fraction of two thiosulfonic acid potassium of methyl is 30% ~ 40%.The six of anti-oxidation liquid preparation
Valence chromium concn is low, and chromium trioxide dosage is few, has not only saved pharmaceutical use, reduces cost, while sewage treatment is also more square
Just.
Step 2: the compound anti-oxidation liquid being formulated into is kept the temperature at 23-27 DEG C；The temperature that present invention process requires is low, only
25 DEG C of room temperature is needed, the consumption energy is few.
Step 3: copper foil is passed through in the groove body of the compound anti-oxidation liquid cooled down and carries out chemical plating.Compound anti-oxidation liquid
Double-filtration is carried out before being added in groove body.
As shown in Figure 1, a kind of anti-oxidation system of electrolytic copper foil, includes heat exchanger 1, compound anti-oxidation flow container 2 and oxygen
Change slot 3, is provided with blender 4 in compound anti-oxidation flow container 2 and compound 2 upper end of anti-oxidation flow container is provided with feed opening 5, it is compound
The tank body side of anti-oxidation flow container 2 is provided with inlet and outlet piping and is connect by the inlet and outlet piping with heat exchanger 1, compound oxygen
Change flow container 2 anti-oxidation liquid discharge port by pipeline connect with anti-oxidation tank 3 anti-oxidation liquid 6 after cooling is delivered to it is anti-oxidation
In slot 3, two anti-oxidation rollers 7 are provided in anti-oxidation tank 3,3 upside both sides of anti-oxidation tank are respectively arranged with a guide roller 8,
Wherein it is provided with wind-up roll 9 on the outside of a guide roller 8, copper foil 10 is successively by a guide roller, two anti-oxidation rollers and another
It is wound after root guide roller by wind-up roll 9.
By-pass filtration tank 11 and secondary filtration tank 12, by-pass filtration tank are provided between anti-oxidation flow container 2 and anti-oxidation tank 3
11 imports are connect by pipeline with the discharge port of anti-oxidation flow container 2, and the outlet of by-pass filtration tank 11 passes through pipeline and secondary filtration tank
12 imports connection, the outlet of secondary filtration tank 12 are connect by pipeline with anti-oxidation tank 3.
Heat exchanger 1 uses heat-exchangers of the plate type, and heat-exchangers of the plate type is connect with anti-oxidation flow container 2 all the way, and board-like heat is handed over
Parallel operation another way connect cooling water to anti-oxidation liquid cooling but.Temperature sensor is set in the tank body of anti-oxidation flow container 2, anti-oxidation
Water pump is set on flow container 2 and heat-exchangers of the plate type connecting pipe, and the unlatching of control water pump follows anti-oxidation liquid when temperature is higher than 25 DEG C
Ring is cooled down by heat-exchangers of the plate type, and the closing of control water pump makes anti-oxidation liquid stop circulation to stop when temperature is lower than 25 DEG C
Only cool down.
It is provided with auxiliary electrode 13 in anti-oxidation tank 3, low current auxiliary plating can be opened, client is special to be prevented to meet
Oxidation requirements.
Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, only
It should belong to guarantor of the invention without departing from the content or beyond the scope defined by this claim of description of the invention
Protect range.
Claims (10)
1. a kind of anti-oxidation technique of electrolytic copper foil, it is characterised in that comprise the steps of:
Step 1: preparing compound anti-oxidation liquid, and compound anti-oxidation liquid includes chromium trioxide, additive and pure water；
Step 2: the compound anti-oxidation liquid of preparation is kept the temperature at 23-27 DEG C；
Step 3: copper foil is passed through in the groove body of the compound anti-oxidation liquid cooled down and carries out chemical plating.
2. the anti-oxidation technique of a kind of electrolytic copper foil described in accordance with the claim 1, it is characterised in that: in the compound anti-oxidation liquid
The mass percent of chromium trioxide and additive is respectively 0.05% ~ 0.1% and 0.5% ~ 1%, remaining is pure water.
3. the anti-oxidation technique of a kind of electrolytic copper foil according to claim 1 or 2, it is characterised in that: the additive is first
Two thiosulfonic acid potassium mixture of two sulphonic acid sodium of base and methyl.
4. the anti-oxidation technique of a kind of electrolytic copper foil described in accordance with the claim 3, it is characterised in that: methyl two in the additive
The mass fraction of sulphonic acid sodium is 60% ~ 70%, and the mass fraction of two thiosulfonic acid potassium of methyl is 30% ~ 40%.
5. the anti-oxidation technique of a kind of electrolytic copper foil described in accordance with the claim 1, it is characterised in that: compound anti-in the step 3
Oxidation solution carries out double-filtration before being added in groove body.
6. a kind of anti-oxidation system of electrolytic copper foil, it is characterised in that: include heat exchanger, compound anti-oxidation flow container and anti-oxidation
Slot is provided with blender in compound anti-oxidation flow container and compound anti-oxidation flow container upper end is provided with feed opening, compound anti-oxidation
The tank body side of flow container is provided with inlet and outlet piping and is connect by the inlet and outlet piping with heat exchanger, compound anti-oxidation flow container
Anti-oxidation liquid discharge port is connect with anti-oxidation tank by pipeline and anti-oxidation liquid after cooling is delivered in anti-oxidation tank, anti-oxidation
Two anti-oxidation rollers are provided in slot, both sides are respectively arranged with a guide roller on the upside of anti-oxidation tank, wherein outside a guide roller
Side is provided with wind-up roll, and copper foil is successively received after a guide roller, two anti-oxidation rollers and another guide roller by wind-up roll
Volume.
7. the anti-oxidation system of a kind of electrolytic copper foil according to claim 6, it is characterised in that: the anti-oxidation flow container and anti-
It is provided with by-pass filtration tank and secondary filtration tank between oxidation trough, by-pass filtration tank import is gone out by pipeline and anti-oxidation flow container
Material mouth connection, the outlet of by-pass filtration tank connects by pipeline with secondary filtration tank import, the outlet of secondary filtration tank pass through pipeline and
Anti-oxidation tank connection.
8. the anti-oxidation system of a kind of electrolytic copper foil according to claim 6, it is characterised in that: the heat exchanger uses plate
Formula heat exchanger, heat-exchangers of the plate type are connect with anti-oxidation flow container all the way, and heat-exchangers of the plate type another way connects cooling water to anti-
The cooling heat preservation of oxidation solution.
9. the anti-oxidation system of a kind of electrolytic copper foil according to claim 8, it is characterised in that: the tank of the anti-oxidation flow container
Setting temperature sensor in vivo, is arranged water pump on anti-oxidation flow container and heat-exchangers of the plate type connecting pipe, and temperature is higher than 25 DEG C
When control water pump unlatching make anti-oxidation liquid cycle through heat-exchangers of the plate type to be cooled down, control water pump closes when temperature is lower than 25 DEG C
Closing makes anti-oxidation liquid stop circulation to stop cooling down.
10. the anti-oxidation system of a kind of electrolytic copper foil according to claim 6, it is characterised in that: set in the anti-oxidation tank
It is equipped with auxiliary electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380356.7A CN109267113A (en) | 2018-11-20 | 2018-11-20 | A kind of anti-oxidation technique of electrolytic copper foil and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380356.7A CN109267113A (en) | 2018-11-20 | 2018-11-20 | A kind of anti-oxidation technique of electrolytic copper foil and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109267113A true CN109267113A (en) | 2019-01-25 |
Family
ID=65190080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811380356.7A Pending CN109267113A (en) | 2018-11-20 | 2018-11-20 | A kind of anti-oxidation technique of electrolytic copper foil and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109267113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507851A (en) * | 2022-02-18 | 2022-05-17 | 梅州市威利邦电子科技有限公司 | Low-chromium washing-free anti-oxidation liquid for electrolytic copper foil for lithium ion battery and washing-free anti-oxidation process thereof |
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|---|---|---|---|---|
| CN103757667A (en) * | 2014-01-01 | 2014-04-30 | 安庆市亿豪工贸发展有限公司 | Chrome plating additive and electroplating liquid thereof |
| CN104694939A (en) * | 2015-04-07 | 2015-06-10 | 河南红日铜箔科技有限公司 | Surface treatment technology for ultralow-surface-roughness copper foil |
| CN105386106A (en) * | 2015-11-25 | 2016-03-09 | 青海电子材料产业发展有限公司 | Lithium electric copper foil anti-oxidization liquid and anti-oxidization treatment technology |
| CN106319585A (en) * | 2016-10-31 | 2017-01-11 | 中色奥博特铜铝业有限公司 | Surface treatment method of high-precision blackened rolled copper foil |
| CN207605938U (en) * | 2017-11-16 | 2018-07-13 | 灵宝华鑫铜箔有限责任公司 | A kind of electrolytic copper foil anti-oxidation tank |
| CN108560025A (en) * | 2018-06-14 | 2018-09-21 | 九江德福科技股份有限公司 | A kind of preparation method of electrolytic copper foil |
-
2018
- 2018-11-20 CN CN201811380356.7A patent/CN109267113A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757667A (en) * | 2014-01-01 | 2014-04-30 | 安庆市亿豪工贸发展有限公司 | Chrome plating additive and electroplating liquid thereof |
| CN104694939A (en) * | 2015-04-07 | 2015-06-10 | 河南红日铜箔科技有限公司 | Surface treatment technology for ultralow-surface-roughness copper foil |
| CN105386106A (en) * | 2015-11-25 | 2016-03-09 | 青海电子材料产业发展有限公司 | Lithium electric copper foil anti-oxidization liquid and anti-oxidization treatment technology |
| CN106319585A (en) * | 2016-10-31 | 2017-01-11 | 中色奥博特铜铝业有限公司 | Surface treatment method of high-precision blackened rolled copper foil |
| CN207605938U (en) * | 2017-11-16 | 2018-07-13 | 灵宝华鑫铜箔有限责任公司 | A kind of electrolytic copper foil anti-oxidation tank |
| CN108560025A (en) * | 2018-06-14 | 2018-09-21 | 九江德福科技股份有限公司 | A kind of preparation method of electrolytic copper foil |
Non-Patent Citations (1)
| Title |
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| 太原市助剂厂: ""甲基二磺酸系列产品"", 《电镀与涂饰》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507851A (en) * | 2022-02-18 | 2022-05-17 | 梅州市威利邦电子科技有限公司 | Low-chromium washing-free anti-oxidation liquid for electrolytic copper foil for lithium ion battery and washing-free anti-oxidation process thereof |
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Application publication date: 20190125 |
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