CN106835100A - A kind of polyaniline epoxy resin corrosion resistance composite passivation film - Google Patents
A kind of polyaniline epoxy resin corrosion resistance composite passivation film Download PDFInfo
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- CN106835100A CN106835100A CN201611252192.0A CN201611252192A CN106835100A CN 106835100 A CN106835100 A CN 106835100A CN 201611252192 A CN201611252192 A CN 201611252192A CN 106835100 A CN106835100 A CN 106835100A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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Abstract
The invention discloses a kind of polyaniline epoxy resin corrosion resistance composite passivation film, it is made up of following raw materials according：Dodecafluoroheptyl methacrylate, Hexafluorobutyl mathacrylate, silane coupler KH560, azodiisobutyronitrile, silane coupler KH570, silane coupler KH858 are appropriate, Silane coupling agent KH550, trifluoromethyl trimethylsilane, lauryl sodium sulfate, CNT, aniline, ammonium persulfate, sodium molybdate, phosphoric acid, hydrogen peroxide, Ludox, epoxy resin, curing agent, appropriate absolute ethyl alcohol, appropriate tetrahydrofuran, appropriate dust technology, appropriate deionized water；Passivation liquid and preparation method thereof prepared by the present invention is simple, low cost, asepsis environment-protecting, the passivating method of offer can be greatly shortened process time, eliminate oiling technique, and the passivating film for being formed has good wear-resisting, corrosion-resistant, heat-resisting and anti-finger printing, slows down the corrosion of zinc coat, and application prospect is good.
Description
Technical field
It is composite passivated the present invention relates to technical field of chrome-free passivation, more particularly to a kind of polyphenyl amine-epoxy corrosion resistance
Film.
Background technology
Zinc-plated broadband steel plate refers to that surface is coated with one layer of steel plate of zinc, and zinc-plated corroded to prevent surface of steel plate from producing,
Extending steel plate service life, zinc-plated broadband steel plate is increasingly close with the life of people, is mainly used in appliance plate, phone housing, builds
Build with Coil Coating Products and automobile stool.Because zinc is very active, acid, alkali, oxygen, carbon dioxide and vapor etc. are vulnerable in an atmosphere
The corrosion of material, it is therefore desirable to treatment is passivated to it, galvanized sheet conventional passivation mode is generally used and contains the blunt of chromate
Change liquid, the method has the advantages that the chromium ion pair contained in excellent filming performance, low cost and process is simple, but chromate
Human body has carcinogenicity, while also producing greatly harm to environment.The expert and scholars of surface treatment are currently undertaken by nothing
The preparation of chromium passivating liquid and its performance study of non-chromium inactivating technique make some progress, and are concentrated mainly on inorganic component blunt
Change, organic matter passivation and Inorganic whisker are passivated, these emerging passivation products substantially meet chromium-free deactivation requirement, and performance has connect
It is near or reach chromating level.
But further research is stilled need in some aspects, to overcome inorganic component to be passivated the corrosion resistance for producing and having unit
Divide the problem of passivation adhesion property difference, Zhang Zhen sea exists《Zinc-plated wide flat steel is inorganic/preparation of organic composite passivating solution and corrosion resistance
Energy》It is main in one text to be compounded using organosilan and inorganic inhibitor, by the consumption and the reaction that adjust each material
Ratio, studies the performance applicable cases extremely in the industrial production of passivating solution.It is anti-according to organosilan hydrolyzed under acidic conditions
Principle is answered, is hydrolyzed reaction using silane coupler KH560 and silane coupler KH602, add a certain amount of inorganic inhibition
Agent sodium vanadate and titanium sulfate, scale up test go out chromium-free deactivation product, and coating film forming is tested its passivating film, the resistance to electricity of film layer
Chemical property is good, and the area that white rust occur in 72H neutral salt spray tests is only 4-6%, and the accessible chromate of its corrosion resisting property is blunt
Change film, adhesive force reaches 1 grade, surface texture even compact；Product is passivated for resistance and fingerprint resistance, sodium molybdate is dissolved in water, used
To neutrality, a certain amount of modified manometer silicon dioxide of nature's mystery is configured to inorganic passivating solution, silane coupler to organic acid for adjusting pH
KH570 and silane coupler KH858 are re-dubbed organic-silylation passivating solution, and two kinds of passivating solutions are further compounded, and obtain molybdic acid
The organosilane passivating liquid of salt, film performance is excellent.The chromium-free passivation liquid that the author provides can fundamentally solve existing passivation
The problem that poisonous and harmful chromium ion is poisoned to people in liquid, it is also possible to real to substitute liquid containing chromium passivating, realizes to electrogalvanizing broadband
The degree of steel plate, but the plating film that the chromium-free passivation liquid is formed is in the performance such as low friction, antioxygen, corrosion-resistant, self-lubricating, wear-resisting
On can not still meet the market demand, need to further be modified raising application field, expand application prospect.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of polyphenyl amine-epoxy corrosion resistance is answered
Close passivating film.
The present invention is achieved by the following technical solutions：
A kind of polyphenyl amine-epoxy corrosion resistance composite passivation film, is made up of the raw material of following weight portion：Methacrylic acid
Ten difluoro heptyl ester 4-4.6, Hexafluorobutyl mathacrylate 5.2-5.6, silane coupler KH560 16-18, azodiisobutyronitrile
0.2-0.3, silane coupler KH570 90-100, silane coupler KH858 are appropriate, Silane coupling agent KH550 3.5-4, trifluoro
Methyltrimethylsilane 1.1-1.5, lauryl sodium sulfate 7.8-8.5, CNT 1.1-1.4, aniline 14-17, persulfuric acid
Ammonium 0.05-0.15, sodium molybdate 30-33, phosphoric acid 26-28, hydrogen peroxide 50-60, Ludox 11-13, epoxy resin 33-35, solidification
Agent 3-5, appropriate absolute ethyl alcohol, appropriate tetrahydrofuran, appropriate dust technology, appropriate deionized water.
A kind of polyphenyl amine-epoxy corrosion resistance composite passivation film, is made up of following specific steps：
（1）Silane coupling agent KH550 is added in ethanol solution, magnetic agitation 1-1.5h, adds trifluoro under 60 DEG C of constant temperature
Methyltrimethylsilane continues temperature constant magnetic stirring 4-6h, and it is standby that reaction is cooled to room temperature after terminating；
（2）Lauryl sodium sulfate is added to 1%（v/v）Hydrochloric acid solution in, stirring 30-50min after formed mass concentration be
1.5% emulsifier solution, step is added to by CNT（1）Dispersion liquid of the ultrasonic vibration into 0.8% in the mixed solution of preparation,
The dispersion liquid is added to ultrasonic vibration 20min in mentioned emulsifier solution again, concussion is added dropwise benzene after terminating with the speed of 1d/min
Amine aqueous solution, the pH value that solution is adjusted after completion of dropwise addition is 2-3, is eventually adding ammonium persulfate in 4-6h is reacted under condition of ice bath, instead
It is standby mixed liquor to be obtained after should terminating；
（3）Dodecafluoroheptyl methacrylate, Hexafluorobutyl mathacrylate and silane coupler KH560 are mixed and is added to 15-
In 17 times of tetrahydrofurans of amount, stirring adds azodiisobutyronitrile to after being completely dissolved, and is stirred with the rotating speed of 300-400r/min,
Then high-temperature to 65 DEG C is risen, isothermal reaction 8-10h, reaction is cooled to room temperature and obtains fluorine containing silane polymer solution after terminating；
（4）Sodium molybdate, phosphoric acid, hydrogen peroxide are added in deionized water successively at normal temperatures, molybdic acid na concn is obtained after stirring 30min
It is the inorganic salts passivating solution of 30g/L, by silane coupler KH570 and silane coupler KH858 according to mass ratio 2:1 is answered
Close, then dissolve in 75% absolute ethyl alcohol, be made the solution of silane that total concentration is 150g/L, dilute nitre is used after standing reaction 2-3h
Acid solution adjusts pH to 4-5, obtains organosilan composite passivation solution；
（5）By step（4）Inorganic salts passivating solution and organosilan the composite passivation solution mixing of preparation, after stirring at normal temperatures
By Ludox, epoxy resin, step（2）The product of preparation, step（3）The product of preparation is added in above-mentioned solution, after stirring 3h
Curing agent is added, continues to obtain composite passivation solution after stirring 3h；Galvanized sheet is put into normal temperature dip-coating 30S in passivating solution, drying temperature
It is 160-180 DEG C to spend, drying time 30S, and cooling obtains final product passivating film under natural conditions.
It is an advantage of the invention that：Traditional passivating method uses the passivating solution containing Cr VI, and the passivating film for obtaining is anti-corrosion
Property is good, and consuming cost is low, but causes serious harm to human body and environment in actual industrial production, because silane has nothing
Malicious, tasteless, corrosion resistance and good and facile hydrolysis and the advantages of substrate surface film forming, inorganic-organic hybrid passivation is in recent years
Replace the main direction of studying of chromium-free deactivation, the present invention is using silane coupler KH570 and silane coupler KH858 in faintly acid
Under the conditions of hydrolyze to form organosilane passivating liquid, then be aided with inorganic component and form inorganic-organic silane composite passivation solution, be to improve
The performance such as the extreme pressure wear of passivating film, corrosion-resistant, heat-resisting, self-lubricating, the present invention is fluorine-containing using the synthesis of free radical solution polymerization method
Silane polymer solution, it has fluoro-containing group, can drop low-surface-energy, and silane group is contained again, and silane group can be hydrolyzed
Into hydroxyl, can covalently be combined with substrate surface, be promoted film forming, and with bond strength very high, be improved
Adhesive force, the advantages of form good hydrophobicity, high-fire resistance, polyaniline has with low cost, excellent anti-zoned of synthesis material
The advantages of wound, anti-spot corrosion, the polyaniline film of even compact can be formed on the surface of steel and aluminium alloy etc., play good anti-
The effect of rotten antirust, but its dissolubility in general organic solvent is poor, it is therefore desirable to and improvement is doped to it, and its is molten
Xie Xing, is modified and forms organic fluorinated silicone hydrolyzate, by carbon after be hydrolyzed for organic silicon monomer by the present invention with Organic fluoride monomer blend
Nanotube is dispersed in the hydrolyzate, then using generated in-situ method grain of the synthesis with polyaniline-coated CNT
Son, promotes the film forming of passivating solution, its passivating film is had good wear-resisting, corrosion-resistant, heat-resisting and anti-finger printing, present invention system
Standby passivation liquid and preparation method thereof is simple, low cost, asepsis environment-protecting, there is provided passivating method process time can be greatly shortened,
Oiling technique is eliminated, and the passivating film for being formed has good wear-resisting, corrosion-resistant, heat-resisting and anti-finger printing, slows down zinc-plated
The corrosion of layer, application prospect is good.
Specific embodiment
A kind of polyaniline epoxy resin corrosion resistance composite passivation film, by following weight portion（Kilogram）Raw material be made：
Dodecafluoroheptyl methacrylate 4, Hexafluorobutyl mathacrylate 5.2, silane coupler KH560 16, azodiisobutyronitrile
0.2nd, silane coupler KH570 90, silane coupler KH858 be appropriate, Silane coupling agent KH550 3.5, trifluoromethyl trimethyl
It is silane 1.1, lauryl sodium sulfate 7.8, CNT 1.1, aniline 14, ammonium persulfate 0.05, sodium molybdate 30, phosphoric acid 26, double
Oxygen water 50, Ludox 11, epoxy resin 33, curing agent 3, appropriate absolute ethyl alcohol, appropriate tetrahydrofuran, appropriate dust technology, go from
Sub- appropriate amount of water.
A kind of polyaniline epoxy resin corrosion resistance composite passivation film, is made up of following specific steps：
（1）Silane coupling agent KH550 is added in ethanol solution, magnetic agitation 1h, adds trifluoromethyl under 60 DEG C of constant temperature
Trimethyl silane continues temperature constant magnetic stirring 4h, and it is standby that reaction is cooled to room temperature after terminating；
（2）Lauryl sodium sulfate is added to 1%（v/v）Hydrochloric acid solution in, stirring 30min after formed mass concentration be 1.5%
Emulsifier solution, CNT is added to step（1）Dispersion liquid of the ultrasonic vibration into 0.8% in the mixed solution of preparation, then will
The dispersion liquid is added to ultrasonic vibration 20min in mentioned emulsifier solution, and concussion is molten with the speed dropwise addition aniline of 1d/min after terminating
Liquid, the pH value that solution is adjusted after completion of dropwise addition is 2, is eventually adding ammonium persulfate in 4h is reacted under condition of ice bath, is reacted after terminating
Obtain mixed liquor standby；
（3）Dodecafluoroheptyl methacrylate, Hexafluorobutyl mathacrylate and silane coupler KH560 are mixed and is added to 15 times
In the tetrahydrofuran of amount, stirring adds azodiisobutyronitrile to after being completely dissolved, and is stirred with the rotating speed of 300r/min, then raises
To 65 DEG C, isothermal reaction 8h, reaction is cooled to room temperature and obtains fluorine containing silane polymer solution temperature after terminating；
（4）Sodium molybdate, phosphoric acid, hydrogen peroxide are added in deionized water successively at normal temperatures, molybdic acid na concn is obtained after stirring 30min
It is the inorganic salts passivating solution of 30g/L, by silane coupler KH570 and silane coupler KH858 according to mass ratio 2:1 is answered
Close, then dissolve in 75% absolute ethyl alcohol, be made the solution of silane that total concentration is 150g/L, dust technology is used after standing reaction 2h
Solution adjusts pH to 4, obtains organosilan composite passivation solution；
（5）By step（4）Inorganic salts passivating solution and organosilan the composite passivation solution mixing of preparation, after stirring at normal temperatures
By Ludox, epoxy resin, step（2）The product of preparation, step（3）The product of preparation is added in above-mentioned solution, after stirring 3h
Curing agent is added, continues to obtain composite passivation solution after stirring 3h；Galvanized sheet is put into normal temperature dip-coating 30S in passivating solution, drying temperature
It is 160 DEG C to spend, drying time 30S, and cooling obtains final product passivating film under natural conditions.
The method provided according to embodiment prepares passivating film, and performance test is carried out to it, as a result as follows：
Adhesion performance：1 grade；Cupric sulphate dropping test：180S；Resistance to neutral salt spray test：168h；5% sodium chloride soak test：
120h；Anti-finger printing：△ E ＜ 2, fingerprint surface is invisible after handling contact.
Claims (2)
1. a kind of polyphenyl amine-epoxy corrosion resistance composite passivation film, it is characterised in that system is prepared by the raw material of following weight portion
Into：Dodecafluoroheptyl methacrylate 4-4.6, Hexafluorobutyl mathacrylate 5.2-5.6, silane coupler KH560 16-18,
Azodiisobutyronitrile 0.2-0.3, silane coupler KH570 90-100, silane coupler KH858 are appropriate, silane coupler
KH550 3.5-4, trifluoromethyl trimethylsilane 1.1-1.5, lauryl sodium sulfate 7.8-8.5, CNT 1.1-1.4,
Aniline 14-17, ammonium persulfate 0.05-0.15, sodium molybdate 30-33, phosphoric acid 26-28, hydrogen peroxide 50-60, Ludox 11-13, ring
Oxygen tree fat 33-35, curing agent 3-5, appropriate absolute ethyl alcohol, appropriate tetrahydrofuran, appropriate dust technology, appropriate deionized water.
2. a kind of polyphenyl amine-epoxy corrosion resistance composite passivation film according to claim 1, it is characterised in that by following
Specific steps are made：
（1）Silane coupling agent KH550 is added in ethanol solution, magnetic agitation 1-1.5h, adds trifluoro under 60 DEG C of constant temperature
Methyltrimethylsilane continues temperature constant magnetic stirring 4-6h, and it is standby that reaction is cooled to room temperature after terminating；
（2）Lauryl sodium sulfate is added to 1%（v/v）Hydrochloric acid solution in, stirring 30-50min after formed mass concentration be
1.5% emulsifier solution, step is added to by CNT（1）Dispersion liquid of the ultrasonic vibration into 0.8% in the mixed solution of preparation,
The dispersion liquid is added to ultrasonic vibration 20min in mentioned emulsifier solution again, concussion is added dropwise benzene after terminating with the speed of 1d/min
Amine aqueous solution, the pH value that solution is adjusted after completion of dropwise addition is 2-3, is eventually adding ammonium persulfate in 4-6h is reacted under condition of ice bath, instead
It is standby mixed liquor to be obtained after should terminating；
（3）Dodecafluoroheptyl methacrylate, Hexafluorobutyl mathacrylate and silane coupler KH560 are mixed and is added to 15-
In 17 times of tetrahydrofurans of amount, stirring adds azodiisobutyronitrile to after being completely dissolved, and is stirred with the rotating speed of 300-400r/min,
Then high-temperature to 65 DEG C is risen, isothermal reaction 8-10h, reaction is cooled to room temperature and obtains fluorine containing silane polymer solution after terminating；
（4）Sodium molybdate, phosphoric acid, hydrogen peroxide are added in deionized water successively at normal temperatures, molybdic acid na concn is obtained after stirring 30min
It is the inorganic salts passivating solution of 30g/L, by silane coupler KH570 and silane coupler KH858 according to mass ratio 2:1 is answered
Close, then dissolve in 75% absolute ethyl alcohol, be made the solution of silane that total concentration is 150g/L, dilute nitre is used after standing reaction 2-3h
Acid solution adjusts pH to 4-5, obtains organosilan composite passivation solution；
（5）By step（4）Inorganic salts passivating solution and organosilan the composite passivation solution mixing of preparation, after stirring at normal temperatures
By Ludox, epoxy resin, step（2）The product of preparation, step（3）The product of preparation is added in above-mentioned solution, after stirring 3h
Curing agent is added, continues to obtain composite passivation solution after stirring 3h；Galvanized sheet is put into normal temperature dip-coating 30S in passivating solution, drying temperature
It is 160-180 DEG C to spend, drying time 30S, and cooling obtains final product passivating film under natural conditions.
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| CN201611252192.0A CN106835100A (en) | 2016-12-30 | 2016-12-30 | A kind of polyaniline epoxy resin corrosion resistance composite passivation film |
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| CN201611252192.0A CN106835100A (en) | 2016-12-30 | 2016-12-30 | A kind of polyaniline epoxy resin corrosion resistance composite passivation film |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058270A (en) * | 2017-11-29 | 2018-05-22 | 马鞍山市恒特重工科技有限公司 | A kind of wear-resisting main shaft of concrete mixer |
| CN109557626A (en) * | 2018-12-31 | 2019-04-02 | 安徽天康(集团)股份有限公司 | A kind of optical cable and its processing method |
| CN110396686A (en) * | 2019-07-25 | 2019-11-01 | 首钢集团有限公司 | A method of improving passivating film coated steel corrosion resistance |
| CN113818017A (en) * | 2021-11-22 | 2021-12-21 | 武汉理工大学 | Passivating solution for stainless steel car body of railway vehicle and preparation method thereof |
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| CN101886259A (en) * | 2010-06-25 | 2010-11-17 | 武汉钢铁(集团)公司 | Zinc coat environmental-friendly passivation solution and use method thereof |
| US8241744B2 (en) * | 2006-11-15 | 2012-08-14 | Nippon Steel Corporation | Surface-treated metal material and producing method thereof |
| CN105063596A (en) * | 2015-08-24 | 2015-11-18 | 当涂县华艺金属制品有限公司 | Treating fluid for chromate-free passivation of aluminum profiles before coating and preparation method thereof |
| CN105937029A (en) * | 2016-06-29 | 2016-09-14 | 无锡伊佩克科技有限公司 | Method for preparing inorganic-organic composite passivation solution |
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2016
- 2016-12-30 CN CN201611252192.0A patent/CN106835100A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8241744B2 (en) * | 2006-11-15 | 2012-08-14 | Nippon Steel Corporation | Surface-treated metal material and producing method thereof |
| CN101886259A (en) * | 2010-06-25 | 2010-11-17 | 武汉钢铁(集团)公司 | Zinc coat environmental-friendly passivation solution and use method thereof |
| CN105063596A (en) * | 2015-08-24 | 2015-11-18 | 当涂县华艺金属制品有限公司 | Treating fluid for chromate-free passivation of aluminum profiles before coating and preparation method thereof |
| CN105937029A (en) * | 2016-06-29 | 2016-09-14 | 无锡伊佩克科技有限公司 | Method for preparing inorganic-organic composite passivation solution |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058270A (en) * | 2017-11-29 | 2018-05-22 | 马鞍山市恒特重工科技有限公司 | A kind of wear-resisting main shaft of concrete mixer |
| CN109557626A (en) * | 2018-12-31 | 2019-04-02 | 安徽天康(集团)股份有限公司 | A kind of optical cable and its processing method |
| CN110396686A (en) * | 2019-07-25 | 2019-11-01 | 首钢集团有限公司 | A method of improving passivating film coated steel corrosion resistance |
| CN110396686B (en) * | 2019-07-25 | 2022-05-20 | 首钢集团有限公司 | Method for improving corrosion resistance of passive film coated steel |
| CN113818017A (en) * | 2021-11-22 | 2021-12-21 | 武汉理工大学 | Passivating solution for stainless steel car body of railway vehicle and preparation method thereof |
| CN113818017B (en) * | 2021-11-22 | 2022-03-11 | 武汉理工大学 | Passivating solution for stainless steel car body of railway vehicle and preparation method thereof |
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Application publication date: 20170613 |