CA2169193A1 - Procede de traitement des surfaces zinciferes - Google Patents
Procede de traitement des surfaces zinciferesInfo
- Publication number
- CA2169193A1 CA2169193A1 CA002169193A CA2169193A CA2169193A1 CA 2169193 A1 CA2169193 A1 CA 2169193A1 CA 002169193 A CA002169193 A CA 002169193A CA 2169193 A CA2169193 A CA 2169193A CA 2169193 A1 CA2169193 A1 CA 2169193A1
- Authority
- CA
- Canada
- Prior art keywords
- ions
- chromium
- ion
- molar ratio
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 26
- 229910001430 chromium ion Inorganic materials 0.000 claims abstract description 41
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 31
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 18
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 12
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 150000002500 ions Chemical class 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000008119 colloidal silica Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 abstract description 25
- 239000011701 zinc Substances 0.000 abstract description 22
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 17
- -1 nitrate ions Chemical class 0.000 abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 26
- 229910052804 chromium Inorganic materials 0.000 description 23
- 230000000694 effects Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 19
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 17
- 239000002253 acid Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 10
- 238000007747 plating Methods 0.000 description 9
- 230000002401 inhibitory effect Effects 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 150000001450 anions Chemical class 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 241000282320 Panthera leo Species 0.000 description 5
- YFONKFDEZLYQDH-OPQQBVKSSA-N N-[(1R,2S)-2,6-dimethyindan-1-yl]-6-[(1R)-1-fluoroethyl]-1,3,5-triazine-2,4-diamine Chemical compound C[C@@H](F)C1=NC(N)=NC(N[C@H]2C3=CC(C)=CC=C3C[C@@H]2C)=N1 YFONKFDEZLYQDH-OPQQBVKSSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 229910017709 Ni Co Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001449 anionic compounds Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- ONIOAEVPMYCHKX-UHFFFAOYSA-N carbonic acid;zinc Chemical compound [Zn].OC(O)=O ONIOAEVPMYCHKX-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229910001412 inorganic anion Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007775 late Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000010 zinc carbonate Inorganic materials 0.000 description 2
- 235000004416 zinc carbonate Nutrition 0.000 description 2
- 239000011667 zinc carbonate Substances 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Inorganic materials [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- SMNDYUVBFMFKNZ-UHFFFAOYSA-N 2-furoic acid Chemical compound OC(=O)C1=CC=CO1 SMNDYUVBFMFKNZ-UHFFFAOYSA-N 0.000 description 1
- BSFODEXXVBBYOC-UHFFFAOYSA-N 8-[4-(dimethylamino)butan-2-ylamino]quinolin-6-ol Chemical compound C1=CN=C2C(NC(CCN(C)C)C)=CC(O)=CC2=C1 BSFODEXXVBBYOC-UHFFFAOYSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- DSSNKXWIIZZABW-UHFFFAOYSA-N OB(O)O.O[N+]([O-])=O Chemical compound OB(O)O.O[N+]([O-])=O DSSNKXWIIZZABW-UHFFFAOYSA-N 0.000 description 1
- 108091034117 Oligonucleotide Proteins 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- 229910021511 zinc hydroxide 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/30—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 hexavalent chromium compounds containing also trivalent chromium
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
-
- 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/33—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 hexavalent chromium compounds containing also phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Chemical Treatment Of Metals (AREA)
- Electroplating Methods And Accessories (AREA)
- Coating With Molten Metal (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Un film solide de 10-200 mg/m<2>, exprimés en chrome métal, est formé sur une surface zincifère par enduction de celle-ci avec une composition liquide aqueuse acide contenant des ions chrome hexavalents, des ions chrome trivalents, au moins des ions sulfate ou des ions nitrate, et des ions zinc, nickel, cobalt, et/ou aluminium. Dans cette composition liquide, le rapport molaire des ions chrome trivalents/ions chrome hexavalents est de 1/9 à 4/1, le rapport molaire (nitrate + sulfate + phosphate)/(ions chrome hexavalents + ions chrome trivalents) est de 0,1 à 2,0 et le rapport molaire ions métal/acide inorganique est de 0,05 à 1. Le revêtement appliqué est ensuite séché. Le film de chromate formé présente une excellente résistance au noircissement et à la rouille blanche.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22222993A JP3288152B2 (ja) | 1993-08-14 | 1993-08-14 | 耐黒変性及び耐白錆性に優れた亜鉛系めっき鋼板の製造方法 |
| JP5/222229 | 1993-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2169193A1 true CA2169193A1 (fr) | 1995-02-23 |
Family
ID=16779146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002169193A Abandoned CA2169193A1 (fr) | 1993-08-14 | 1994-08-11 | Procede de traitement des surfaces zinciferes |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0724488A4 (fr) |
| JP (1) | JP3288152B2 (fr) |
| KR (1) | KR100311062B1 (fr) |
| CN (1) | CN1102442A (fr) |
| AU (1) | AU7714194A (fr) |
| CA (1) | CA2169193A1 (fr) |
| TW (1) | TW247321B (fr) |
| WO (1) | WO1995005247A1 (fr) |
| ZA (1) | ZA946049B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998000579A1 (fr) * | 1996-07-02 | 1998-01-08 | Nkk Corporation | Procede de production de feuilles d'acier chromees et galvanisees a chaud, contenant du plomb et ayant une excellente resistance au noircissement et a la formation de rouille blanche |
| US6461449B1 (en) | 1997-10-07 | 2002-10-08 | Henkel Corporation | Conversion coating zinciferous surfaces to resist blackening and white rust |
| CN1062030C (zh) * | 1998-08-28 | 2001-02-14 | 宝山钢铁(集团)公司 | 高抗黑变性能电镀锌钢板的生产方法 |
| KR100436913B1 (ko) * | 1999-11-09 | 2004-06-23 | 주식회사 포스코 | 크로메이트 처리용액 및 크로메이트 처리강판의 제조방법 |
| KR101560947B1 (ko) | 2013-12-24 | 2015-10-15 | 주식회사 포스코 | 내식성 및 내흑변성이 우수한 표면처리 용액 및 이를 이용하여 표면처리된 Zn-Al-Mg 합금도금강판의 제조방법 |
| CN106010088A (zh) * | 2016-05-20 | 2016-10-12 | 江苏固格澜栅防护设施有限公司 | 锌钢护栏及其制作方法 |
| KR101786358B1 (ko) | 2016-06-14 | 2017-10-18 | 주식회사 포스코 | 강판표면처리용 용액 조성물, 이를 이용하여 표면처리된 아연계 도금강판, 및 그 제조방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4683157A (en) * | 1982-11-15 | 1987-07-28 | Mosser Mark F | Thixotropic coating compositions and methods |
| JPS62278298A (ja) * | 1985-08-28 | 1987-12-03 | Kawasaki Steel Corp | クロメート処理Ｚｎ系めっき鋼板 |
| JPS6256580A (ja) * | 1985-09-05 | 1987-03-12 | Nippon Parkerizing Co Ltd | 亜鉛系メツキ鋼板のクロメ−ト塗布液 |
| JPS63171685A (ja) * | 1986-12-30 | 1988-07-15 | Nippon Steel Corp | 耐食性白色クロメ−ト処理方法 |
| CN1039915C (zh) * | 1989-07-05 | 1998-09-23 | 新日本制铁株式会社 | 方向性电磁钢板上的绝缘皮膜成型方法 |
| JP2839111B2 (ja) * | 1990-08-28 | 1998-12-16 | 日本パーカライジング株式会社 | 亜鉛系メッキ鋼板のクロメート処理方法 |
| JP3105322B2 (ja) * | 1991-12-27 | 2000-10-30 | 日産自動車株式会社 | 光輝性アルミホイールの無色クロメート皮膜形成方法 |
-
1993
- 1993-08-14 JP JP22222993A patent/JP3288152B2/ja not_active Expired - Lifetime
-
1994
- 1994-08-05 TW TW083107191A patent/TW247321B/zh active
- 1994-08-11 EP EP94927906A patent/EP0724488A4/fr not_active Withdrawn
- 1994-08-11 CA CA002169193A patent/CA2169193A1/fr not_active Abandoned
- 1994-08-11 WO PCT/US1994/008318 patent/WO1995005247A1/fr not_active Ceased
- 1994-08-11 ZA ZA946049A patent/ZA946049B/xx unknown
- 1994-08-11 AU AU77141/94A patent/AU7714194A/en not_active Abandoned
- 1994-08-13 CN CN94109436A patent/CN1102442A/zh active Pending
- 1994-08-13 KR KR1019940020005A patent/KR100311062B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR950006022A (ko) | 1995-03-20 |
| WO1995005247A1 (fr) | 1995-02-23 |
| EP0724488A4 (fr) | 1997-01-08 |
| TW247321B (fr) | 1995-05-11 |
| JP3288152B2 (ja) | 2002-06-04 |
| CN1102442A (zh) | 1995-05-10 |
| JPH0754156A (ja) | 1995-02-28 |
| KR100311062B1 (ko) | 2001-12-15 |
| EP0724488A1 (fr) | 1996-08-07 |
| ZA946049B (en) | 1995-06-29 |
| AU7714194A (en) | 1995-03-14 |
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