CN108505094A - A kind of chemical synthesizing method reducing electrode foil current-leakage - Google Patents
A kind of chemical synthesizing method reducing electrode foil current-leakage Download PDFInfo
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- CN108505094A CN108505094A CN201710102991.8A CN201710102991A CN108505094A CN 108505094 A CN108505094 A CN 108505094A CN 201710102991 A CN201710102991 A CN 201710102991A CN 108505094 A CN108505094 A CN 108505094A
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- chemical conversion
- paillon
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- 239000000126 substance Substances 0.000 title claims abstract description 221
- 239000011888 foil Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 204
- 239000002253 acid Substances 0.000 claims abstract description 106
- 238000012545 processing Methods 0.000 claims abstract description 67
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 27
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 7
- 230000015271 coagulation Effects 0.000 claims abstract description 3
- 238000005345 coagulation Methods 0.000 claims abstract description 3
- 230000002999 depolarising effect Effects 0.000 claims abstract description 3
- 238000002203 pretreatment Methods 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 169
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 84
- 239000004327 boric acid Substances 0.000 claims description 84
- 230000015572 biosynthetic process Effects 0.000 claims description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 15
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 14
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 12
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims description 11
- 229960001484 edetic acid Drugs 0.000 claims description 8
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 6
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 6
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- 229960003540 oxyquinoline Drugs 0.000 claims description 5
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 claims description 2
- 229960004418 trolamine Drugs 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 150000003863 ammonium salts Chemical class 0.000 claims 1
- MPYDICYHUNOOFV-UHFFFAOYSA-N disodium azane Chemical compound N.N.[Na+].[Na+] MPYDICYHUNOOFV-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 abstract description 14
- 239000004411 aluminium Substances 0.000 abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003990 capacitor Substances 0.000 abstract description 10
- 230000003647 oxidation Effects 0.000 abstract description 10
- 238000007254 oxidation reaction Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 7
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 239000011259 mixed solution Substances 0.000 description 10
- 229910021529 ammonia Inorganic materials 0.000 description 5
- BOCASOICZMXMJA-UHFFFAOYSA-N [Na].[Na].[Na].C(C)(=O)O Chemical compound [Na].[Na].[Na].C(C)(=O)O BOCASOICZMXMJA-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- QYAPHLRPFNSDNH-MRFRVZCGSA-N (4s,4as,5as,6s,12ar)-7-chloro-4-(dimethylamino)-1,6,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide;hydrochloride Chemical compound Cl.C1=CC(Cl)=C2[C@](O)(C)[C@H]3C[C@H]4[C@H](N(C)C)C(=O)C(C(N)=O)=C(O)[C@@]4(O)C(=O)C3=C(O)C2=C1O QYAPHLRPFNSDNH-MRFRVZCGSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007743 anodising Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical compound [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/12—Anodising more than once, e.g. in different baths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of chemical synthesizing methods reducing electrode foil current-leakage, including：Pre-treatment, multistage chemical conversion treatment, solution treatment, high-temperature process and phosphoric acid depolarising processing all use solution treatment again after preceding three-level chemical conversion treatment is per coagulation in the multistage chemical conversion treatment.The present invention is modified processing to hydrated alumina, aqua oxidation aluminium film is inhibited excessively to generate by being complexed using the aluminium ion of particular solution (complexometric reagent) processing and aqua oxidation aluminium film after the chemical conversion of preceding three-level；Applying electric current in acid condition simultaneously also promotes aqua oxidation aluminium film to be converted to dense porous pellumina, and the content of hydrated alumina is reduced in terms of two；It is had the following advantages compared with existing forming technology：The leakage current for reducing Waste Acid From Hua Cheng Foil improves the resistance to ripple current ability of electrode foil and extends the service life of capacitor.
Description
Technical field
The invention belongs to electrode foil for aluminum electrolytic capacitors material manufacture technical field, more particularly to a kind of reduction electrode foil
The chemical synthesizing method of leakage current.
Technical background
With the development that electronic equipment complete machine minimizes, volume-diminished and specific volume to aluminium electrolutic capacitor propose
There is an urgent need to.Foil is anodizing to as the core material in aluminium electrolutic capacitor, decisive work is risen to the various characteristics of capacitor
With.The existing chemical synthesis technology for being anodizing to foil is usually high-temperature heat treatment after boiling, level Four chemical conversion, after Pyatyi chemical conversion at phosphoric acid
Reason carries out six grades of chemical conversions again, is melted into for seven grades after second of high-temperature heat treatment of progress, impregnation in last ammonium dihydrogen phosphate.
The electrode foil being prepared using this chemical synthesis technology, after aluminium electrolutic capacitor is made, leakage current is larger, leads to resistance to ripple current
Performance is poor so that capacitor service life is shorter.And one layer thicker of hydration oxygen is contained on the electrode foil surface after chemical conversion
Change aluminium film, the leakage current of electrode foil, which is mainly further reacted by aqua oxidation aluminium film with water, generates unformed aluminium oxide or hydrogen
Aluminium oxide, caused by oxidation film deterioration.Existing chemical synthesis technology is due to being carried out in aqueous solution, unavoidable aqua oxidation
The generation of aluminium film.By high-temperature process, hydrated alumina also only has small part and converts, or passes through at conventional acid dip
Reason can only also dissolve a part of hydrated alumina, and processing is too strong to cause specific volume decaying serious.At heat treatment and conventional acid
Reason acts on very little to reducing electrode foil current-leakage.
Some to the very high field of capacitor reliability requirement for example flash lamp, energy-saving lamp, alternating current motor, servo motor,
Charging pile etc., in addition to Fabrication of High Specific Capacitance, long-life, it is also necessary to have low-leakage current and low-loss characteristic.For such case, need pair
Chemical synthesis technology is innovated, and is improved the quality of oxidation film and is reduced the leakage current of Waste Acid From Hua Cheng Foil, to meet corresponding requirements.
Invention content
The purpose of the present invention is being directed to existing issue, a kind of specific volume height is provided, low-loss is substantially reduced leakage current, extends
The chemical synthesizing method of the mesohigh positive electrode foil of capacitor service life.
The purpose of the present invention is achieved through the following technical solutions：A kind of chemical synthesizing method reducing electrode foil current-leakage, packet
It includes：Pre-treatment, multistage chemical conversion treatment, solution treatment, high-temperature process and phosphoric acid depolarising processing, in the multistage chemical conversion treatment before
Solution treatment is all used again after the every coagulation of three-level chemical conversion treatment.
Specifically, a kind of chemical synthesizing method reducing electrode foil current-leakage, including：
A, etched foil is placed in 90~100 DEG C of pure water and handles；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control is extremely
70~90 DEG C of progress first order chemical conversions；
C, the paillon after first order chemical conversion in step B is impregnated in solution and carries out solution treatment；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control is extremely
70~90 DEG C of progress second level chemical conversions；
E, the paillon after second level chemical conversion in step D is impregnated in solution and carries out solution treatment；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control is extremely
70~90 DEG C of progress third level chemical conversions；
G, the paillon foil after third level chemical conversion in step F is impregnated in solution and carries out solution treatment；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control is extremely
70~90 DEG C of progress fourth stage chemical conversions；
I, by the paillon after fourth stage chemical conversion in step H, 400~550 DEG C of 1~5min of high-temperature process are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%~15%, and temperature control is extremely
70~90 DEG C of progress level V number chemical conversions；
K, the paillon after level V chemical conversion in step J is placed in 1~5% phosphoric acid solution, temperature control is to 40~60 DEG C, place
Manage 2~5min；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%~15%, control
Temperature carries out the 6th grade to 70~90 DEG C and is melted into；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 400~550 DEG C of 1~5min of high-temperature process；
N, by step M high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%~15% carries out
Seven grades of chemical conversions；
O, the paillon after the 7th grade of chemical conversion in step N is placed in ammonium dihydrogen phosphate and is handled.
In some embodiments, processing time is 6~10min in pure water in the step A.
In some embodiments, the first order to the 7th grade be melted into formation voltage range be respectively 100~200V,
300~400V, 400~500V, 500~600V, 500~600V, 500~600V and 500~600V.
In some embodiments, the chemical conversion time that the first order is melted into the 7th grade is 5~15min.
In some embodiments, solution is complexometric reagent solution in the solution treatment；Further, the complexing
Reagent solution is selected from nitrilotriacetic acid, nitrilotriacetic acid trisodium salt, 8-hydroxyquinoline, triethanolamine, ethylenediamine tetra-acetic acid, second diammonium tetrem
The aqueous solution of one or both of acid disodium.
In some embodiments, the mass fraction of the aqueous solution is 5%~20%.
In some embodiments, the solution treatment time in the step C, step E and step G is 5~15min；Place
Reason voltage is 20~100V；Treatment temperature is 40~80 DEG C.
In some embodiments, the mass fraction of ammonium dihydrogen phosphate is 1%~5% in the step O；When processing
Between be 2~5min.
The present invention passes through the aluminium using particular solution (complexometric reagent) processing and aqua oxidation aluminium film after the chemical conversion of preceding three-level
Ion is complexed, and is modified processing to hydrated alumina, aqua oxidation aluminium film is inhibited excessively to generate；Simultaneously in acid condition
Lower application electric current also promotes aqua oxidation aluminium film to be converted to dense porous pellumina, and containing for hydrated alumina is reduced in terms of two
Amount；It is had the following advantages compared with existing forming technology：The leakage current for reducing Waste Acid From Hua Cheng Foil improves the resistance to ripple electricity of electrode foil
Stream ability and the service life for extending capacitor.
Term defines
The invention is intended to cover all replacement, modification and equivalent technical solutions, they are included in as claim is fixed
In the scope of the invention of justice.Those skilled in the art will appreciate that many and similar or equivalent method and material described herein
It can be used in the practice present invention.The present invention is not limited to method described herein and material.In document, patent and the class combined
One or more or contradict in the case of (include but not limited to defined in term, terms different from the application like material
Using, described technology etc.), it is subject to the application.
It will further be appreciated that certain features of the present invention, are clearly visible, are carried out in multiple independent embodiments
Description, but can also in combination be provided in single embodiment.Conversely, the various features of the present invention, for brevity,
It is described, but can also be provided individually or with any appropriate sub-portfolio in single embodiment.
Unless otherwise stated, all scientific and technical terminologies used in the present invention have with those skilled in the art of the invention's
It is generally understood identical meaning.All patents of the present invention and public publication are integrally incorporated this hair by reference
It is bright.
Term "comprising" or " comprising " are open language, that is, include the content specified by the present invention, but it is not precluded
Content in terms of him.
Unless explicitly stated otherwise in contrast, otherwise, temperature of the present invention is value range.For example, " 85 DEG C " expressions
Ranging from 85 DEG C ± 5 DEG C of temperature.
Specific implementation mode
As described below is the preferred embodiment of the present invention, and what the present invention was protected is not limited to following preferred implementation side
Formula.It should be pointed out that for those skilled in the art on the basis of this innovation and creation conceive, several deformations for making with
It improves, belongs to protection scope of the present invention.Raw material used in embodiment can be obtained by commercial sources.
Embodiment 1
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the nitrilotriacetic acid aqueous solution that mass fraction is 5%
Reason, processing voltage are 50V, and processing time 5min, temperature is 40 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion in step D is impregnated in the nitrilotriacetic acid aqueous solution that mass fraction is 5%
Reason, processing voltage are 50V, and processing time 5min, temperature is 40 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, the paillon foil after third level chemical conversion in step F is impregnated in the nitrilotriacetic acid aqueous solution that mass fraction is 5%
Processing, processing voltage are 50V, and processing time 5min, temperature is 40 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Embodiment 2
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the 8-hydroxyquinoline aqueous solution that mass fraction is 8%
Processing, processing voltage are 50V, and processing time 10min, temperature is 60 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion in step D is impregnated in the 8-hydroxyquinoline aqueous solution that mass fraction is 8%
Processing, processing voltage are 50V, and processing time 10min, temperature is 60 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, the paillon foil after third level chemical conversion in step F is impregnated in the 8-hydroxyquinoline aqueous solution that mass fraction is 8%
Middle processing, processing voltage are 50V, and processing time 10min, temperature is 60 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Embodiment 3
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the edta solution that mass fraction is 10%
Middle processing, processing voltage are 60V, and processing time 10min, temperature is 80 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion in step D is impregnated in the edta solution that mass fraction is 10%
Middle processing, processing voltage are 60V, and processing time 10min, temperature is 80 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, it is water-soluble that the paillon foil after being melted into the third level in step F is impregnated in the ethylenediamine tetra-acetic acid that mass fraction is 10%
It is handled in liquid, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Embodiment 4
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, it is 5% nitrilotriacetic acid and 5% ammonia three paillon after first order chemical conversion in step B to be impregnated in mass fraction
It is handled in the mixed solution of acetic acid trisodium, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, it is 5% nitrilotriacetic acid and 5% ammonia three paillon after second level chemical conversion in step D to be impregnated in mass fraction
It is handled in the mixed solution of acetic acid trisodium, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, it is 5% nitrilotriacetic acid and 5% ammonia the paillon foil after third level chemical conversion in step F to be impregnated in mass fraction
It is handled in the mixed solution of triacetic acid trisodium, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Embodiment 5
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the triethanolamine aqueous solution that mass fraction is 15%
Reason, processing voltage are 80V, and processing time 10min, temperature is 40 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion in step D is impregnated in the triethanolamine aqueous solution that mass fraction is 15%
Reason, processing voltage are 80V, and processing time 10min, temperature is 40 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, the paillon foil after third level chemical conversion in step F is impregnated in the triethanolamine aqueous solution that mass fraction is 15%
Processing, processing voltage are 80V, and processing time 10min, temperature is 40 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Embodiment 6
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the ethylenediamine tetra-acetic acid and 5% that mass fraction is 15%
Disodium ethylene diamine tetraacetate mixed solution in handle, processing voltage be 80V, processing time 15min, temperature be 50 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion in step D is impregnated in the ethylenediamine tetra-acetic acid and 5% that mass fraction is 15%
Disodium ethylene diamine tetraacetate mixed solution in handle, processing voltage be 80V, processing time 15min, temperature be 50 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, by step F the third level chemical conversion after paillon foil be impregnated in mass fraction be 15% ethylenediamine tetra-acetic acid and
It is handled in 5% disodium ethylene diamine tetraacetate mixed solution, processing voltage is 80V, and processing time 15min, temperature is 50 DEG C；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, by the paillon after fourth stage chemical conversion in step H, 550 DEG C of high-temperature process 2min are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
K, the paillon after level V chemical conversion in step J is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 550 DEG C of high-temperature process 2min；
N, by step M high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
O, the paillon after the 7th grade of chemical conversion in step N is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Comparative example 1
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the nitrilotriacetic acid aqueous solution that mass fraction is 5%
Reason, processing voltage are 50V, and processing time 5min, temperature is 40 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion treatment in step D is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress third level chemical conversions, formation voltage 470V, chemical conversion time are 12min；
F, the paillon after third level chemical conversion in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control is to 85 DEG C
Fourth stage chemical conversion, formation voltage 580V are carried out, the chemical conversion time is 12min；
G, by the paillon after fourth stage chemical conversion in step F, 550 DEG C of high-temperature process 2min are placed in；
H, by step G high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
I, the paillon after level V chemical conversion in step H is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
J, by phosphoric acid solution in step I, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
K, the paillon after the 6th grade of chemical conversion in step J is placed in 550 DEG C of high-temperature process 2min；
L, by step K high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
M, the paillon after the 7th grade of chemical conversion in step L is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Comparative example 2
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, it is 5% nitrilotriacetic acid and 5% ammonia three paillon after first order chemical conversion in step B to be impregnated in mass fraction
It is handled in acetic acid trisodium mixed solution, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, it is 5% nitrilotriacetic acid and 5% ammonia three paillon after second level chemical conversion in step D to be impregnated in mass fraction
It is handled in acetic acid trisodium mixed solution, processing voltage is 60V, and processing time 10min, temperature is 80 DEG C；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row third level is melted into, formation voltage 470V, and the chemical conversion time is 12min；
G, the paillon after third level chemical conversion treatment in step F is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress fourth stage chemical conversions, formation voltage 580V, chemical conversion time are 12min；
H, by the paillon after fourth stage chemical conversion in step G, 550 DEG C of high-temperature process 2min are placed in；
I, by step H high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
J, the paillon after level V chemical conversion in step I is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
K, by phosphoric acid solution in step J, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
L, the paillon after the 6th grade of chemical conversion in step K is placed in 550 DEG C of high-temperature process 2min；
M, by step L high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
N, the paillon after the 7th grade of chemical conversion in step M is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Comparative example 3
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion in step B is impregnated in the ethylenediamine tetra-acetic acid and 5% that mass fraction is 15%
Disodium ethylene diamine tetraacetate mixed solution in handle, processing voltage be 80V, processing time 10min, temperature be 40 DEG C；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row second level is melted into, formation voltage 320V, and the chemical conversion time is 12min；
E, the paillon after second level chemical conversion treatment in step D is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress third level chemical conversions, formation voltage 470V, chemical conversion time are 12min；
F, by step E the third level chemical conversion after paillon foil be impregnated in mass fraction be 15% ethylenediamine tetra-acetic acid and
It is handled in 5% disodium ethylene diamine tetraacetate mixed solution, processing voltage is 80V, and processing time 10min, temperature is 40 DEG C；
G, the paillon after solution treatment in step F is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row fourth stage is melted into, formation voltage 580V, and the chemical conversion time is 12min；
H, by the paillon after fourth stage chemical conversion in step G, 550 DEG C of high-temperature process 2min are placed in；
I, by step H high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
J, the paillon after level V chemical conversion in step I is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
K, by phosphoric acid solution in step J, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
L, the paillon after the 6th grade of chemical conversion in step K is placed in 550 DEG C of high-temperature process 2min；
M, by step L high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
N, the paillon after the 7th grade of chemical conversion in step M is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
Comparative example 4
A, etched foil is placed in 90~100 DEG C of pure water and handles 10min；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
The row first order is melted into, formation voltage 150V, and the chemical conversion time is 12min；
C, the paillon after first order chemical conversion treatment in step B is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress second level chemical conversions, formation voltage 320V, chemical conversion time are 12min；
D, the paillon after second level chemical conversion treatment in step C is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress third level chemical conversions, formation voltage 470V, chemical conversion time are 12min；
E, the paillon after third level chemical conversion treatment in step D is placed in the boric acid acid solution of mass fraction 8%, temperature control is extremely
85 DEG C of progress fourth stage chemical conversions, formation voltage 580V, chemical conversion time are 12min；
F, by the paillon after fourth stage chemical conversion in step E, 550 DEG C of high-temperature process 2min are placed in；
G, by step F high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85 DEG C into
Row level V number is melted into, formation voltage 580V, and the chemical conversion time is 12min；
H, the paillon after level V chemical conversion in step G is placed in 2% phosphoric acid solution, temperature control handles 2min to 50 DEG C；
I, by phosphoric acid solution in step H, treated that paillon is placed in the boric acid acid solution of mass fraction 8%, temperature control to 85
DEG C carry out level V number chemical conversion, formation voltage 580V, the chemical conversion time be 12min；
J, the paillon after the 6th grade of chemical conversion in step I is placed in 550 DEG C of high-temperature process 2min；
K, by step J high temperatures treated paillon is placed in the boric acid acid solution of mass fraction 8% temperature control to 85 DEG C into
Seven series of row is melted into, formation voltage 580V, and the chemical conversion time is 12min；
L, the paillon after the 7th grade of chemical conversion in step K is placed in 2% ammonium dihydrogen phosphate and handles 2min.
Gained Waste Acid From Hua Cheng Foil performance is tested, the results are shown in Table 1.
The performance test results
1 the performance test results of table
As can be seen from the table, the paillon performance for implementing solution treatment three times in preceding three-level chemical conversion is superior to implementation one
Secondary and solution treatment twice paillon.In the case where 600V reaches voltage, Waste Acid From Hua Cheng Foil prepared by the embodiment of the present invention is than common chemical conversion work
The Waste Acid From Hua Cheng Foil specific volume that skill is prepared is higher by 4% or more, and leakage current reduces by 8% or more, and loss and boiling pressure rising time are superior to
Common Waste Acid From Hua Cheng Foil.
Claims (10)
1. a kind of chemical synthesizing method reducing electrode foil current-leakage, including：Pre-treatment, multistage chemical conversion treatment, solution treatment, at high temperature
Reason and phosphoric acid depolarising processing, which is characterized in that after preceding three-level chemical conversion treatment is per coagulation in the multistage chemical conversion treatment all
Solution treatment is used again.
2. the chemical synthesizing method according to claim 1 for reducing electrode foil current-leakage, which is characterized in that including：
A, etched foil is placed in 90~100 DEG C of pure water and handles；
B, the paillon after Pure water preparation in step A is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control to 70~
90 DEG C of progress first order chemical conversions；
C, the paillon after first order chemical conversion in step B is impregnated in solution and carries out solution treatment；
D, the paillon after solution treatment in step C is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control to 70~
90 DEG C of progress second level chemical conversions；
E, the paillon after second level chemical conversion in step D is impregnated in solution and carries out solution treatment；
F, the paillon after solution treatment in step E is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control to 70~
90 DEG C of progress third level chemical conversions；
G, the paillon foil after third level chemical conversion in step F is impregnated in solution and carries out solution treatment；
H, the paillon after solution treatment in step G is placed in the boric acid acid solution of mass fraction 8%~15%, temperature control to 70~
90 DEG C of progress fourth stage chemical conversions；
I, by the paillon after fourth stage chemical conversion in step H, 400~550 DEG C of 1~5min of high-temperature process are placed in；
J, by step I high temperatures, treated that paillon is placed in the boric acid acid solution of mass fraction 8%~15%, and temperature control to 70~
90 DEG C of progress level V number chemical conversions；
K, the paillon after level V chemical conversion in step J is placed in 1~5% phosphoric acid solution, temperature control is to 40~60 DEG C, processing 2
~5min；
L, by phosphoric acid solution in step K, treated that paillon is placed in the boric acid acid solution of mass fraction 8%~15%, and temperature control is extremely
70~90 DEG C carry out the 6th grade of chemical conversion；
M, the paillon after the 6th grade of chemical conversion in step L is placed in 400~550 DEG C of 1~5min of high-temperature process；
N, by step M high temperatures, treated that paillon is placed in that the 7th grade is carried out in the boric acid acid solution of mass fraction 8%~15%
Chemical conversion；
O, the paillon after the 7th grade of chemical conversion in step N is placed in ammonium dihydrogen phosphate and is handled.
3. the chemical synthesizing method according to claim 2 for reducing electrode foil current-leakage, which is characterized in that pure in the step A
Processing time is 6~10min in water.
4. the chemical synthesizing method according to claim 2 for reducing electrode foil current-leakage, which is characterized in that the first order to the
Seven grades chemical conversion formation voltage ranges be respectively 100~200V, 300~400V, 400~500V, 500~600V, 500~
600V, 500~600V and 500~600V.
5. the chemical synthesizing method according to claim 2 for reducing electrode foil current-leakage, which is characterized in that the first order to the
The chemical conversion time of seven grades of chemical conversions is 5~15min.
6. the chemical synthesizing method according to claim 1 or 2 for reducing electrode foil current-leakage, which is characterized in that at the solution
The solution of reason is complexometric reagent solution.
7. the chemical synthesizing method according to claim 6 for reducing electrode foil current-leakage, which is characterized in that the complexometric reagent is molten
Liquid is selected from nitrilotriacetic acid, nitrilotriacetic acid trisodium salt, 8-hydroxyquinoline, triethanolamine, ethylenediamine tetra-acetic acid, b diammonium disodium edta
One or both of aqueous solution.
8. the chemical synthesizing method according to claim 7 for reducing electrode foil current-leakage, which is characterized in that the complexometric reagent is molten
The mass fraction of solute is 5%~20% in liquid.
9. the chemical synthesizing method according to claim 2 for reducing electrode foil current-leakage, which is characterized in that the step C, step
The solution treatment time in E and step G is 5~15min；Processing voltage is 20~100V；Treatment temperature is 40~80 DEG C.
10. the chemical synthesizing method according to claim 2 for reducing electrode foil current-leakage, which is characterized in that phosphorus in the step O
The mass fraction of acid dihydride ammonium salt solution is 1%~5%；Processing time is 2~5min.
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Cited By (4)
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| CN109402700A (en) * | 2018-11-01 | 2019-03-01 | 青海瑞合铝箔有限公司 | A kind of improved Waste Acid From Hua Cheng Foil manufacturing process |
| CN109609991A (en) * | 2018-12-26 | 2019-04-12 | 东莞东阳光科研发有限公司 | Waste Acid From Hua Cheng Foil, preparation method and applications |
| CN112103084A (en) * | 2020-08-17 | 2020-12-18 | 新疆众和股份有限公司 | Anode foil and preparation method thereof |
| CN113921282A (en) * | 2021-09-26 | 2022-01-11 | 内蒙古乌兰察布东阳光化成箔有限公司 | Low-loss formation process for medium-high voltage formed foil for aluminum electrolytic capacitor |
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