CN104561978B - A kind of panel beating metal surface treating method - Google Patents
A kind of panel beating metal surface treating method Download PDFInfo
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- CN104561978B CN104561978B CN201410839165.8A CN201410839165A CN104561978B CN 104561978 B CN104561978 B CN 104561978B CN 201410839165 A CN201410839165 A CN 201410839165A CN 104561978 B CN104561978 B CN 104561978B
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010009 beating Methods 0.000 title claims abstract description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 17
- 239000008397 galvanized steel Substances 0.000 claims abstract description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003750 conditioning effect Effects 0.000 claims abstract description 13
- 239000005011 phenolic resin Substances 0.000 claims abstract description 10
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 10
- 229920002545 silicone oil Polymers 0.000 claims abstract description 9
- 235000011187 glycerol Nutrition 0.000 claims abstract description 8
- 239000004952 Polyamide Substances 0.000 claims abstract description 7
- 229920002647 polyamide Polymers 0.000 claims abstract description 7
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims abstract description 7
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011701 zinc Substances 0.000 claims abstract description 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 4
- 235000015165 citric acid Nutrition 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 2
- 238000002360 preparation method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract description 5
- 230000002421 anti-septic effect Effects 0.000 abstract description 5
- 239000008367 deionised water Substances 0.000 abstract description 5
- 229910021641 deionized water Inorganic materials 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 4
- 229940048086 sodium pyrophosphate Drugs 0.000 abstract description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010008 shearing Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 4
- 230000002335 preservative effect Effects 0.000 description 4
- 235000016804 zinc Nutrition 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000003260 anti-sepsis Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000004119 disulfanediyl group Chemical group *SS* 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
-
- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Laminated Bodies (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a kind of panel beating metal surface treating method, belong to sheet metal process field.Its step is：（a）Silicone oil and oil-soluble phenolic resin are stirred under water bath condition；（b）To step（a）In add glycerine, acetic acid, zinc dialkyl dithiophosphate and citric acid stirring in obtained solution；（c）By step（b）In obtained solution be cooled to, add polyamide, sodium pyrophosphate, aluminum sulfate and deionized water stirring；（d）By step（c）The surface conditioning agent heating of middle preparation；（e）Pending galvanized steel plain sheet is added to step（d）In solution in；（f）Cold wind is dried up；（g）Workpiece is placed in the environment of dark and places 24 48h, the workpiece after being handled.Workpiece surface after present invention processing can form layer protecting film, can not only strengthen the life-span of the antiseptic property of metal, extension metal material and device, have significant protective effect in particular for the incision of galvanized steel plain sheet.
Description
Technical field
The invention belongs to sheet metal process field, specifically, it is related to a kind of panel beating metal surface treating method.
Background technology
Metal is processed and use during often occur corrosion of metal so that metal material or metal
The service life reduction of equipment, and there are cost height, raw material because endangering workman's body with toxicity in existing surface conditioning agent
The problems such as body health, pollution environment, therefore, urgent need is a kind of environmentally safe, and the surface conditioning agent of human body health is not damaged,
The antiseptic property of metal is strengthened by the preservative treatment to metal, the service life of extension metal material, workpiece and instrument is saved
The energy, the galvanized steel plain sheet especially commonly used very much, its purposes is wide, but antiseptic effect is undesirable.
The content of the invention
1st, the problem of solving
For existing preservative in preparation process due to raw material has toxicity and damage health, pollution environment and into
The problem of this is higher, the present invention provides a kind of panel beating metal surface treating method, can effectively prevent the raising gold of metal
The antiseptic property of category, environmental pollution is minimum, and health will not be damaged during use, and cost is low, it is easy to promote.
2nd, technical scheme
To solve the above problems, the technical scheme is that：
A kind of panel beating metal surface treating method, its step is：
（a）Weighed by mass fraction, take 5-8 parts of silicone oil and 3-8 parts of oil-soluble phenolic resins to be stirred under the conditions of 80 DEG C of water-bath
Mix 45-60 minutes, standing is cooled to 30-45 DEG C；
（b）To step（a）In add 1-5 parts of glycerine, 3-5 parts of acetic acid, 3-5 parts of dialkyl dithios in obtained solution
Trbasic zinc phosphate and 1-3 parts of citric acids are stirred 20-40 minutes under the conditions of 30-45 DEG C, are incubated 15-20 minutes；
（c）By step（b）In obtained solution be cooled to 20-25 DEG C, add 0.5-2 parts of polyamide, 1-3 parts of pyrophosphoric acids
Sodium, 7-12 part aluminum sulfate and 70-80 parts of deionized waters are stirred 10-15 minutes, produce surface conditioning agent；
（d）By step（c）The surface conditioning agent of middle preparation is heated to 70-80 DEG C, stirring 3-5 min；
（e）Pending galvanized steel plain sheet is added to step（d）In solution in, soak 30-50 s, pull workpiece out；
（f）By step（e）In the workpiece pulled out use speed to be dried up for 10m/s cold wind；
（g）By step（f）Workpiece after middle drying is placed in the environment of dark and places 24-48h, the work after being handled
Part.
Preferably, described step（a）In mixing time be 50 minutes, standing be cooled to 38 DEG C.
Preferably, described step（b）In under the conditions of 36 DEG C stir 30 minutes, be incubated 18 minutes.
Preferably, described step（f）In cold wind temperature be 2-6 DEG C.
3rd, beneficial effect
Compared to prior art, beneficial effects of the present invention are：
（1）The present invention using silicone oil, glycerine, polyamide, sodium pyrophosphate, acetic acid, oil-soluble phenolic resin, aluminum sulfate,
Citric acid and deionized water, and specific technique are processed, and do not result in infringement to body in process of production, use this
Invention carries out preservative treatment to metal, can form layer protecting film in metal surface, can not only strengthen the antiseptic property of metal,
Extend the life-span of metal material and device, and it is environmentally safe, and degradable, cost is low, in particular for galvanized steel plain sheet
Incision has significant protective effect；
（2）The silicone oil heat resistance and chemical stability that the present invention is used are good, and oil-soluble phenolic resin not only has good
Water resistance, acid resistance, the addition of sodium pyrophosphate, glycerine and zinc dialkyl dithiophosphate so that the film of made preservative is hard
Degree is high and flexible, and fast drying, adhesive force is good, and one layer of fine and close diaphragm can be formed in metal surface, effectively prevent outer
Infringement of boundary's environment to metal, in particular for the incision of galvanized steel plain sheet during metal plate；
（3）Cost of the present invention is low, degradable, using safety, environmentally safe, is conducive to promoting the use of well.
Embodiment
Specific embodiment is of the invention to be discussed in detail below.
Embodiment 1
A kind of panel beating metal surface treating method, its step is as follows：
（a）Weighed by mass fraction, take 5 parts of silicone oil and 3 parts of oil-soluble phenolic resins（The silicone oil that the present invention is used is methyl
Silicone oil, oil-soluble phenolic resin is the oil-soluble phenolic resin using dimethylbenzene as the short oil of solvent）Under the conditions of 80 DEG C of water-bath
Stirring 50 minutes, standing is cooled to 38 DEG C；
（b）To step（a）In add 3 parts of glycerine, 4 parts of acetic acid, 4 parts of zinc dialkyl dithiophosphates in obtained solution
Stirred 30 minutes under the conditions of 36 DEG C with 1 part of citric acid, be incubated 18 minutes；
（c）By step（b）In obtained solution be cooled to 23 DEG C, add 2 parts of polyamide, 3 parts of sodium pyrophosphates, 7 parts of sulfuric acid
Aluminium and 75 parts of deionized water stirrings produce surface conditioning agent in 13 minutes；
（d）By step（c）The surface conditioning agent of middle preparation is heated to 75 DEG C, stirs 4 min；
（e）By pending galvanized steel plain sheet（It is the rectangular of 200mm that the galvanized steel plain sheet for being 2.5mm by thickness, which cuts into the length of side,
Shape, while having stamped out 2 a diameter of 10mm through hole on sheet material）It is added to step（d）In solution in, soak 40 s, drag for
Go out workpiece；
（f）By step（e）In the workpiece pulled out use speed to be dried up for 10m/s cold wind, the temperature of cold wind is 2-6 DEG C；
（g）By step（f）Workpiece after middle drying is placed in the environment of dark and places 36h, the workpiece after being handled.
After salt mist experiment find, treated workpiece than do not have the anti-corrosion time of treated workpiece improve 28%,
And the place of treated workpiece corrosion at first is not the edge of shearing and through hole, shearing of the present invention to galvanized steel plain sheet
Mouth can play obvious antisepsis.The galvanized steel plain sheet workpiece handled using the present invention is than the service life extension 1 without processing
Year, the material corrosion resistance to oxidant and acid-base property is significantly increased, the waste water easily biological-degradable after processing, to environment without dirt
Dye, and to the healthy harmless of operator.
Embodiment 2
Be the same as Example 1, except that the content and preparation method parameter of each material are changed, its step is as follows：
（a）Weighed by mass fraction, take 6 parts of silicone oil and 5 parts of oil-soluble phenolic resins to stir 60 under the conditions of 80 DEG C of water-bath
Minute, standing is cooled to 30 DEG C；
（b）To step（a）In add 5 parts of glycerine, 5 parts of acetic acid, 3 parts of zinc dialkyl dithiophosphates in obtained solution
Stirred 40 minutes under the conditions of 30 DEG C with 2 parts of citric acids, be incubated 15 minutes；
（c）By step（b）In obtained solution be cooled to 20 DEG C, add 0.5 part of polyamide, 1 part of sodium pyrophosphate, 12 parts of sulphur
Sour aluminium and 70 parts of deionized water stirrings produce surface conditioning agent in 15 minutes；
（d）By step（c）The surface conditioning agent of middle preparation is heated to 80 DEG C, stirs 3 min；
（e）By pending galvanized steel plain sheet（It is the rectangular of 200mm that the galvanized steel plain sheet for being 2.5mm by thickness, which cuts into the length of side,
Shape, while having stamped out 2 a diameter of 7mm through hole on sheet material）It is added to step（d）In solution in, soak 30s, pull out
Workpiece；
（f）By step（e）In the workpiece pulled out use speed to be dried up for 10m/s cold wind, the temperature of cold wind is 2-6 DEG C；
（g）By step（f）Workpiece after middle drying is placed in the environment of dark and places 24h, the workpiece after being handled.
After salt mist experiment find, treated workpiece than do not have the anti-corrosion time of treated workpiece improve 23%,
And the place of treated workpiece corrosion at first is not the edge of shearing and through hole, shearing of the present invention to galvanized steel plain sheet
Mouth can play obvious antisepsis.
Embodiment 3
Be the same as Example 1, except that the content and preparation method parameter of each material are changed, its step is as follows：
（a）Weighed by mass fraction, take 8 parts of silicone oil and 8 parts of oil-soluble phenolic resins to stir 45 under the conditions of 80 DEG C of water-bath
Minute, standing is cooled to 45 DEG C；
（b）To step（a）In add 1 part of glycerine, 3 parts of acetic acid, 5 parts of zinc dialkyl dithiophosphates in obtained solution
Stirred 20 minutes under the conditions of 45 DEG C with 3 parts of citric acids, be incubated 20 minutes；
（c）By step（b）In obtained solution be cooled to 25 DEG C, add 1 part of polyamide, 2 parts of sodium pyrophosphates, 9 parts of sulfuric acid
Aluminium and 80 parts of deionized water stirrings produce surface conditioning agent in 10 minutes；
（d）By step（c）The surface conditioning agent of middle preparation is heated to 70-80 DEG C, stirs 5 min；
（e）By pending galvanized steel plain sheet（It is the rectangular of 200mm that the galvanized steel plain sheet for being 2.5mm by thickness, which cuts into the length of side,
Shape, while having stamped out 2 a diameter of 10mm through hole on sheet material）It is added to step（d）In solution in, soak 50 s, drag for
Go out workpiece；
（f）By step（e）In the workpiece pulled out use speed to be dried up for 10m/s cold wind, the temperature of cold wind is 2-6 DEG C；
（g）By step（f）Workpiece after middle drying is placed in the environment of dark and places 48h, the workpiece after being handled.
After salt mist experiment find, treated workpiece than do not have the anti-corrosion time of treated workpiece improve 25%,
And the place of treated workpiece corrosion at first is not the edge of shearing and through hole, shearing of the present invention to galvanized steel plain sheet
Mouth can play obvious antisepsis.
Claims (3)
1. a kind of panel beating metal surface treating method, its step is：
(a) weighed by mass fraction, take 5-8 parts of silicone oil and 3-8 parts of oil-soluble phenolic resins to stir 45- under the conditions of 80 DEG C of water-bath
60 minutes, standing was cooled to 30-45 DEG C；Mixing time in step (a) is 50 minutes, and standing is cooled to 38 DEG C；
(b) 1-5 parts of glycerine, 3-5 parts of acetic acid, 3-5 parts of dialkyl dithiophosphoric acids are added in the solution obtained into step (a)
Zinc and 1-3 parts of citric acids are stirred 20-40 minutes under the conditions of 30-45 DEG C, are incubated 15-20 minutes；
(c) solution obtained in step (b) is cooled to 20-25 DEG C, adds 0.5-2 parts of polyamide, 1-3 parts of sodium pyrophosphates, 7-
12 parts of aluminum sulfate and 70-80 parts of deionized waters are stirred 10-15 minutes, produce surface conditioning agent；
(d) surface conditioning agent prepared in step (c) is heated to 70-80 DEG C, stirs 3-5min；
(e) pending galvanized steel plain sheet is added in the solution in step (d), soaks 30-50s, pull workpiece out；
(f) speed is used to be dried up for 10m/s cold wind the workpiece pulled out in step (e)；
(g) workpiece after being dried up in step (f) is placed in the environment of dark and places 24-48h, the workpiece after being handled.
2. a kind of application method of non-ferrous metal surface inorganic agent according to claim 1, it is characterised in that described step
Suddenly stirred 30 minutes under the conditions of 36 DEG C in (b), be incubated 18 minutes.
3. a kind of application method of non-ferrous metal surface inorganic agent according to claim 1, it is characterised in that described step
Suddenly the temperature of the cold wind in (f) is 2-6 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839165.8A CN104561978B (en) | 2014-12-30 | 2014-12-30 | A kind of panel beating metal surface treating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839165.8A CN104561978B (en) | 2014-12-30 | 2014-12-30 | A kind of panel beating metal surface treating method |
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| Publication Number | Publication Date |
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| CN104561978A CN104561978A (en) | 2015-04-29 |
| CN104561978B true CN104561978B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410839165.8A Expired - Fee Related CN104561978B (en) | 2014-12-30 | 2014-12-30 | A kind of panel beating metal surface treating method |
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| Country | Link |
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| CN (1) | CN104561978B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623441A (en) * | 2015-12-31 | 2016-06-01 | 芜湖市金宇石化设备有限公司 | Preparation method of anti-corrosion precursor composition for anti-corrosion treatment of car seat base plate |
| CN105648392A (en) * | 2015-12-31 | 2016-06-08 | 芜湖市金宇石化设备有限公司 | Thermal treatment method for gearbox housing |
| CN105624631A (en) * | 2015-12-31 | 2016-06-01 | 芜湖市金宇石化设备有限公司 | Anti-corrosion treatment technology for bottom plate of automobile seat |
| CN105543830A (en) * | 2015-12-31 | 2016-05-04 | 芜湖市金宇石化设备有限公司 | Anti-corrosion precursor composition for anti-corrosion treatment on automobile seat bottom plate |
| CN105463424A (en) * | 2015-12-31 | 2016-04-06 | 芜湖市金宇石化设备有限公司 | Surface treating method for die-cast aluminum alloy parts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000178761A (en) * | 1998-12-14 | 2000-06-27 | Kawasaki Steel Corp | Surface treating agent for galvanized steel sheet, and surface treated galvanized steel sheet |
| CN101724836A (en) * | 2009-10-23 | 2010-06-09 | 启东市合成化工厂有限公司 | Passivating treating agent for environment-friendly galvanized steel sheets |
-
2014
- 2014-12-30 CN CN201410839165.8A patent/CN104561978B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000178761A (en) * | 1998-12-14 | 2000-06-27 | Kawasaki Steel Corp | Surface treating agent for galvanized steel sheet, and surface treated galvanized steel sheet |
| CN101724836A (en) * | 2009-10-23 | 2010-06-09 | 启东市合成化工厂有限公司 | Passivating treating agent for environment-friendly galvanized steel sheets |
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| CN104561978A (en) | 2015-04-29 |
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