CN106757177B - A kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate - Google Patents
A kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate Download PDFInfo
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- CN106757177B CN106757177B CN201611141607.7A CN201611141607A CN106757177B CN 106757177 B CN106757177 B CN 106757177B CN 201611141607 A CN201611141607 A CN 201611141607A CN 106757177 B CN106757177 B CN 106757177B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/16—Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The present invention relates to a kind of preparation methods of band coating anti-corrosion zinc cathode aluminum plate, common zinc cathode aluminum plate is surface-treated, obtain de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface, then use spraying method that uniformly mixed liquid coating is sprayed on to the perishable area of zinc cathode aluminum plate, cured processing obtains band coating anti-corrosion zinc cathode aluminum plate.The small, technological process of present invention process investment is simple, to equipment without particular/special requirement, low energy consumption, pollution-free, extensive with foreground.
Description
Technical field
The present invention relates to non-ferrous zinc metallurgical technology and material antiseptic technical field, more particularly to one kind are band coating
Anti-corrosion zinc cathode aluminum plate preparation method.
Background technology
The cathode plate of zinc by wet method is to roll plate with fine aluminium, and anode plate is with lead-silver alloy, lead-silver multicomponent alloy
Manufacture.In process of production, in the solution of zinc sulfate of the plate face overwhelming majority of cathode plate and anode plate submergence in a cell,
Under the action of direct current, discharge depositing respectively occurs for cathode, anode, and the zinc in zinc sulfate is deposited to the plate for being attached to cathode plate
On face, total electrochemical reaction formula of electrolytic deposition is：
ZnSO4+H2O+еZn+H2SO4+1/2O2
In process of production, other than the exposed solution of zinc sulfate in a cell of the zinc cathode aluminum plate and portion of aluminium sheet two side ends
Point, due to being acted on for a long time by sulfuric acid and F, Cl, corrode especially severe.Although being immersed in the cathode in electrolytic cell solution of zinc sulfate
Plate face is substantially intact, but because of plate face neck and plate face two side ends seriously corroded, cannot be used continuously, and causes cathode plate service life
It is short, increase production cost.With the reduction of zinc concentrate resource, electrolytic zinc raw material is increasingly complicated, cause fluorine in solution of zinc sulfate/
Chlorion is exceeded, and is fluorine ion to cathode plate corrosion impact the biggest factor, therefore cathode plate extent of corrosion is caused to aggravate.
Patent CN2887892Y propose the cathode plate of zinc by wet method and the plate neck surface of anode plate apply one layer it is anti-
The method of rotten layer extends the corrosion resistance of electrolytic zinc negative and positive machine plate, but is only coated with one layer of epoxy resin or heatproof preserving timber
Material, the extension service life is partially short, average energy 60 days.
Patent CN201495302U discloses a kind of preparation method of electrolytic zinc anode plate, proposes using naked in pole plate upper end
The position installation seemingly item of dew on the electrolyte, described in anti-corrosion item be to be installed in pole plate made of synthetic material
Top will not be damaged due to by the corrosion of severe gas, thus can extend the service life of cathode plate.
Patent CN101781780B proposes a kind of method improving corrosion resistance of cathode aluminum plate for zinc electrolysis, uses
Special ROLLING OIL, using two conventional rollers, irreversible, intermittent machine rolls aluminium, immediately using processing silicon after rolling
Sour sodium carries out subsequent processing, obtains the aluminium donkey-hide gelatin plate of surfacing, and generates larger, the comparatively dense oxide surface layer of thickness,
To improve its corrosion resistance.Its service life is set to improve three times or more.
Patent CN102953093A proposes a kind of Zinc electrolysis cathode plate erosion resistant coating and preparation method thereof, uses spraying
Or the mode of blade coating coats anticorrosive paint, the anticorrosive paint at liquid level line to the position between conducting beam that the cathode principal columns of a hall easily corrodes
It is made of bottom, middle layer and surface layer.By the use of the corrosion-inhibiting coating, can the service life of cathode plate obviously be extended 1/3
~1/2, reduce the replacement frequency of aluminium sheet, to save the production cost of electrowinning zinc, improves productivity effect.
United States Patent (USP) US005498322A is proposed makees zinc electrolysis cathode plate with aluminium alloy, by add magnesium, silicon, iron,
The elements such as copper, zinc roll plate to the method for cold rolling, and to which aluminium alloy plate be made, the aluminium sheet of gained improves anti-corruption
Corrosion energy, to extend the service life of cathode.Aluminium is the active metal of comparison, is easily corroded, and especially electrolytic zinc is used
Cathode plate is exposed outside liquid level line and the part of aluminium sheet two side ends, and previously mentioned anti-corrosion method is all not clear enough, operative employee
Skill is relative complex, and on how to improve resistance to F performance of the zinc cathode aluminum plate to zinc electrolyte, reduces and remove F or zinc cost of material
It did not mentioned more.
In conclusion how improving the corrosion resistance of zinc cathode aluminum plate, increasing the service life of aluminium sheet, while improving zinc
Cathode aluminum plate reduces to the resistance to F performances of zinc electrolyte and removes F or zinc cost of material, be the problem for needing further to be explored.
Invention content
It is an object of the invention to be directed to the deficiency of the prior art, a kind of system of band coating anti-corrosion zinc cathode aluminum plate is provided
Preparation Method.
The technical scheme is that：
A kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate, includes the following steps：
A, zinc cathode aluminum plate surface treatment procedure：Common zinc cathode aluminum plate is subjected to surface acid-washing, polishing, washing, ethyl alcohol
Washing procedure processing obtains de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface；
B, coating mixed processes：Component silicone rubber, adjacent benzene polyester resin, phenol polyester resin and epoxy resin are being stirred
Under the conditions of be sufficiently mixed, obtain uniformly mixed liquid coating；
C, spraying process：The obtained liquid coatings of step B are sprayed on the perishable of the zinc cathode plate that processing of step A is crossed
Area obtains band coating zinc cathode aluminum plate；
D, curing process：Coating zinc cathode aluminum plate obtained by step C is carried out into gel, hardening and maturation process, band is obtained and applies
The anti-corrosion zinc cathode aluminum plate of layer；
As a further improvement on the present invention, ethyl alcohol washing can wash away zinc in the zinc cathode aluminum plate surface treatment procedure
The obstinate greasy dirt on cathode aluminum plate surface, while can guarantee the cleaning on surface.
As a further improvement on the present invention, component silicone rubber, adjacent benzene polyester resin, benzene in the coating mixed processes
The mass percent of phenol polyester resin and epoxy resin is 3~8%：10~18%：30~45%：30~55%.
As a further improvement on the present invention, the curing process includes three gel, hardening and curing processes, gel
Time is 20~50min；Firm time is 90~240min；Curing time is 4~8h.
As a further improvement on the present invention, gel and maturation process carry out at room temperature in the curing process, firmly
It is 75~90 DEG C to change treatment temperature.
The beneficial effects of the present invention are：
The position spray on polymer erosion resistant coating perishable to zinc cathode aluminum plate, as shown in Figure 1, to be exposed to originally solution or
Perishable zinc cathode aluminum plate is isolated in air, to reach the service life for extending zinc cathode aluminum plate；This zinc cathode aluminium
Ethyl alcohol washing procedure is to borrow ethyl alcohol to dissolve each other with some greasy dirts in plate surface treatment process, to reach the work of cleaning greasy dirt
With, while ethyl alcohol is volatile, has reached drying and the cleanliness factor on zinc cathode aluminum plate surface, ensure that coating and zinc cathode aluminum plate
The dynamics of bonding.
The uniform mixing of the three kinds of polymeric coating layers used, striking during capable of withstanding stripping zinc on hardness strength
It hits；In electrolytic process, acid steam penetrates into aluminum substrate surface by crackle, in the Surface Creation white acidic crystalline substance of aluminium
Zinc sulfate crystallizes.With increasing for zinc sulfate crystallization, polymeric coating layer is caused to swell, polymeric coating layer is made to be detached from aluminum substrate,
To lose the corrosion protection effect to zinc cathode plate, hydrophobic substance silicon rubber is added in the coating, avoids zinc sulfate
Crystallization is generated in aluminium surface, and to further improve the antiseptic property of coating with insulation performance, exactly this is with erosion resistant coating
Zinc cathode aluminum plate can contain dilute sulfuric acid or F in zinc electrolyte-Deng corrosion；It is tested by multiple zinc electro-deposition, the height
Molecular coatings chemical property in zinc electrodeposition process is stablized, will not be by sulfuric acid or F-Equal corrosion failures, while will not be right
Electrodeposition process impacts.
The preparation process flow of band coating anti-corrosion zinc cathode aluminum plate of the invention is simple, to equipment without particular/special requirement, operation
Simply, it easily realizes industrialized production, the corrosion resistance of zinc cathode aluminum plate can be effectively improved, increase anti-F performances（Conventional zinc electricity
Require F contents in 80mg/L hereinafter, by the improvement of zinc cathode aluminum plate in solution liquid, F contents can be improved in zinc electrolyte
200mg/L or more）, so as to improve the structure of zinc raw material；So that the service life of zinc cathode aluminum plate is extended more than 90 days, reduces enterprise
The replacement frequency of cathode plate reduces zinc abstraction cost；The preparation method of this band coating anti-corrosion zinc cathode aluminum plate invests small, energy consumption
Low, pollution-free, three wastes generate, environmental-friendly；It is a kind of preparation side of economic, efficient band coating anti-corrosion zinc cathode aluminum plate
Method, application prospect are extensive.
Description of the drawings
Fig. 1 is the process flow chart of the present invention.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Embodiment, invention is further described in detail.It should be appreciated that specific embodiment described herein is used only for explaining this
Invention, is not intended to limit the present invention, and the present invention includes other embodiment and and its deformation within the scope of its technological thought.
In the present invention, washing or ethyl alcohol washing are also added sometimes according to the surface cleanness of cathode plate, or is subtracted
Lacked washing or ethyl alcohol washing and etc., but as long as typical process flow is constant, then the present invention can also apply.
An embodiment of the present invention provides a kind of preparation methods of band coating anti-corrosion zinc cathode aluminum plate, please refer to Fig.1.
Below by specific embodiment, invention is further explained.
Embodiment 1
Step A, zinc cathode aluminum plate surface treatment procedure：By common zinc cathode aluminum plate carry out surface acid-washing, polishing, washing,
The processing of ethyl alcohol washing procedure obtains de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface；
Step B, coating mixed processes：Group is divided into silicon rubber, adjacent benzene polyester resin, phenol polyester resin and asphalt mixtures modified by epoxy resin
Fat, mass percent are respectively that 3%, 10%, 32%, 55% coating is sufficiently mixed under agitation, obtain uniformly mixed liquid
State coating；
Step C, spraying process：The obtained liquid coatings of step B are sprayed on the easy of the zinc cathode plate that processing of step A is crossed
Corrosion region obtains band coating zinc cathode aluminum plate；
Step D, curing process：Coating zinc cathode aluminum plate obtained by step C is carried out at ambient temperature at the gel of 20min
Reason, then through 75 DEG C of temperature, the cure process that the time is 240min, finally carry out the maturation process of 4h at ambient temperature, obtain
Band coating anti-corrosion zinc cathode aluminum plate.
The band coating anti-corrosion zinc cathode aluminum plate and conventional cathode plate being prepared as cathode plate, it is individually placed to same
Comparison Zinc electrolysis is carried out in electrolytic cell and in zinc electrolyte that F contents are different, obtains that zinc is precipitated, the results showed that：Band coating is anti-
The resistance to F abilities of rotten zinc cathode aluminum plate reach 240mg/L, and the resistance to F abilities of conventional cathode plate are only 100 mg/L；It is normal in F contents
It is detected through corrosion resistance in zinc electrolyte, service life extends 95 days.
Embodiment 2
Step A, zinc cathode aluminum plate surface treatment procedure：By common zinc cathode aluminum plate carry out surface acid-washing, polishing, washing,
The processing of ethyl alcohol washing procedure obtains de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface；
Step B, coating mixed processes：Group is divided into silicon rubber, adjacent benzene polyester resin, phenol polyester resin and asphalt mixtures modified by epoxy resin
Fat, mass percent are respectively that 8%, 15%, 30%, 47% coating is sufficiently mixed under agitation, obtain uniformly mixed liquid
State coating；
Step C, spraying process：The obtained liquid coatings of step B are sprayed on the easy of the zinc cathode plate that processing of step A is crossed
Corrosion region obtains band coating zinc cathode aluminum plate；
Step D, curing process：Coating zinc cathode aluminum plate obtained by step C is carried out at ambient temperature at the gel of 50min
Reason, then through 90 DEG C of temperature, the cure process that the time is 90min, finally carry out the maturation process of 8h at ambient temperature, obtain band
The anti-corrosion zinc cathode aluminum plate of coating.
The band coating anti-corrosion zinc cathode aluminum plate and conventional cathode plate being prepared as cathode plate, it is individually placed to same
Comparison Zinc electrolysis is carried out in electrolytic cell and in zinc electrolyte that F contents are different, obtains that zinc is precipitated, the results showed that：Band coating is anti-
The resistance to F abilities of rotten zinc cathode aluminum plate reach 280mg/L, and the resistance to F abilities of conventional cathode plate are only 90 mg/L；In the normal zinc of F contents
It is detected through corrosion resistance in electrolyte, service life extends 115 days.
Embodiment 3
Step A, zinc cathode aluminum plate surface treatment procedure：By common zinc cathode aluminum plate carry out surface acid-washing, polishing, washing,
The processing of ethyl alcohol washing procedure obtains de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface；
Step B, coating mixed processes：Group is divided into silicon rubber, adjacent benzene polyester resin, phenol polyester resin and asphalt mixtures modified by epoxy resin
Fat, mass percent are respectively that 8%, 18%, 45%, 30% coating is sufficiently mixed under agitation, obtain uniformly mixed liquid
State coating；
Step C, spraying process：The obtained liquid coatings of step B are sprayed on the easy of the zinc cathode plate that processing of step A is crossed
Corrosion region obtains band coating zinc cathode aluminum plate；
Step D, curing process：Coating zinc cathode aluminum plate obtained by step C is carried out at ambient temperature at the gel of 45min
Reason, then through 85 DEG C of temperature, the cure process that the time is 180min, finally carry out the maturation process of 6h at ambient temperature, obtain
Band coating anti-corrosion zinc cathode aluminum plate.
The band coating anti-corrosion zinc cathode aluminum plate and conventional cathode plate being prepared as cathode plate, it is individually placed to same
Comparison Zinc electrolysis is carried out in electrolytic cell and in zinc electrolyte that F contents are different, obtains that zinc is precipitated, the results showed that：Band coating is anti-
The resistance to F abilities of rotten zinc cathode aluminum plate reach 310mg/L, and the resistance to F abilities of conventional cathode plate are only 85 mg/L；In the normal zinc of F contents
It is detected through corrosion resistance in electrolyte, service life extends 130 days.
Comparative example 1
Step A：Cathode plate surface processing：Sandblasting is carried out to cathode plate surface by the way of dry spray first, then with dense
The sodium hydroxide solution alkali cleaning that degree is 8%, with the salpeter solution pickling of bulking value a concentration of 20%；
Step B, it sprays：It is 200 μm of epoxy zinc chromate primers, the weight of paint and curing agent in 2 thickness of cathode plate surface sprayed coating
Amount is than being 8：1, it is dried in the air dry oven that temperature is 60 DEG C, then spray the organic-silicon-modified resin that 2 thickness are 400 μm
Coating, the weight ratio with curing agent are 10：1, cure in the air dry oven that temperature is 60 DEG C, finally sprays 2 thickness
For 300 μm of polysiloxanes antisepsis finishing paint, the weight ratio with curing agent is 25：2, then it is placed in the forced air drying that temperature is 60 DEG C
Cure in case, obtains the Zinc electrolysis cathode plate of corrosion-inhibiting coating；
The Zinc electrolysis cathode plate of the corrosion-inhibiting coating being prepared and conventional cathode plate as Zinc electrolysis negative plate, respectively
It is placed in same electrolytic cell and carries out comparison Zinc electrolysis in the zinc electrolyte that F contents are different, obtain that zinc is precipitated, through corrosion resistance
Detection, when the electrodeposition time reaching 25 days, erosion resistant coating is because zinc sulfate crystallization is swelled, and service life extends 45 days, corrosion resistant
Corrosion can be poor.
It is found from embodiment 1-3, the band coating anti-corrosion zinc cathode aluminum plate that the present invention is prepared has corrosion resistance
Can, the service life of cathode plate is obviously prolonged 90 days or more；Resistance to high F-Corrosive power, the structure of zinc raw material can be changed, reduce
Raw material acquisition cost；The replacement frequency of cathode plate is reduced, and can reduce the production cost of zinc electrolysis, improves productivity effect.
Compared with comparative example 1, because of the addition of hydrophobic substance silicon rubber in this method, it is therefore prevented that zinc sulfate crystallization is adhered to
On coating and its surrounding, avoid the protuberance of coating, and because of three kinds of high molecular mixing, improve the anti-percussion ability of coating with
The service life of insulation performance, zinc cathode aluminum plate is obviously prolonged, while having resistance to high F-Corrosive power；The present invention is a kind of warp
The preparation method of Ji, efficient band coating anti-corrosion zinc cathode aluminum plate, application prospect are extensive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. a kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate, which is characterized in that include the following steps：
A, zinc cathode aluminum plate surface treatment procedure：Common zinc cathode aluminum plate is subjected to surface acid-washing, polishing, washing, ethyl alcohol washing
Process processing obtains de-oiling, the clean zinc cathode aluminum plate of removal of impurities and surface；
B, coating mixed processes：It is 3~8% by mass percent：10~18%：30~45%：30~55% silicon rubber, adjacent benzene are poly-
Ester resin, phenol polyester resin and epoxy resin are sufficiently mixed under agitation, obtain uniformly mixed liquid coating；
C, spraying process：The obtained liquid coatings of step B are sprayed on to the perishable area for the zinc cathode plate that processing of step A is crossed,
Obtain band coating zinc cathode aluminum plate；
D, curing process：Coating zinc cathode aluminum plate obtained by step C is subjected to curing process, obtains band coating anti-corrosion zinc cathode aluminium
Plate.
2. a kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate according to claim 1, it is characterised in that：It is described
In step A, the obstinate greasy dirt on zinc cathode aluminum plate surface can be washed away using ethyl alcohol washing, while can guarantee the cleaning on surface.
3. a kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate according to claim 1, it is characterised in that：It is described
In step D, curing process includes three gel, hardening and curing processes, and gel time is 20~50min；Firm time is 90
~240min；Curing time is 4~8h.
4. a kind of preparation method of band coating anti-corrosion zinc cathode aluminum plate according to claim 1 or 3, it is characterised in that：
In the step D, gel and maturation process carry out at room temperature, and cure process temperature is 75~90 DEG C.
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| CN108486620A (en) * | 2018-01-31 | 2018-09-04 | 厦门建霖健康家居股份有限公司 | A kind of method that plating is stopped in zinc alloy workpiece inner cavity |
| CN108754396B (en) * | 2018-06-07 | 2019-07-09 | 福州大学 | The preparation method of cathode plate for electrolyzing zinc surface anticorrosion erosion resisting coating |
| CN108754395B (en) * | 2018-06-07 | 2019-07-09 | 福州大学 | Preparation method of anticorrosive coating on surface of electrolytic zinc anode plate |
| CN110643998B (en) * | 2019-10-29 | 2021-11-30 | 昆明冶金研究院有限公司 | Film coating method of anode plate for zinc electrodeposition |
| CN111441068A (en) * | 2020-05-29 | 2020-07-24 | 云南驰宏资源综合利用有限公司 | Method for manufacturing cathode plate coating for zinc electrodeposition |
| CN112626569A (en) * | 2020-12-01 | 2021-04-09 | 云南漫风鸟科技有限公司 | Corrosion prevention process of electrolytic zinc cathode aluminum plate for zinc smelting |
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Effective date of registration: 20221202 Address after: 421500 Shuikou Shan Zhen Xinhua Cun, Changning City, Hengyang City, Hunan Province Patentee after: Hunan Zhuye Nonferrous Metals Co.,Ltd. Address before: No.10 Lujiang Road, Tianyuan District, Zhuzhou City, Hunan Province, 412007 Patentee before: ZHUZHOU SMELTER GROUP Co.,Ltd. |