KR101886054B1 - 내식성이 향상된 금속표면 처리용 세라믹 나노코팅제 및 이를 이용한 금속 표면 처리방법 - Google Patents
내식성이 향상된 금속표면 처리용 세라믹 나노코팅제 및 이를 이용한 금속 표면 처리방법 Download PDFInfo
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- KR101886054B1 KR101886054B1 KR1020160106781A KR20160106781A KR101886054B1 KR 101886054 B1 KR101886054 B1 KR 101886054B1 KR 1020160106781 A KR1020160106781 A KR 1020160106781A KR 20160106781 A KR20160106781 A KR 20160106781A KR 101886054 B1 KR101886054 B1 KR 101886054B1
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- metal surface
- coating agent
- metal
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 86
- 239000002184 metal Substances 0.000 title claims abstract description 86
- 239000002103 nanocoating Substances 0.000 title claims abstract description 61
- 238000005260 corrosion Methods 0.000 title claims abstract description 34
- 230000007797 corrosion Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 title abstract description 61
- 239000000919 ceramic Substances 0.000 title abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims description 33
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052725 zinc Inorganic materials 0.000 claims description 18
- 239000011701 zinc Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 12
- 229920005822 acrylic binder Polymers 0.000 claims description 11
- 239000011247 coating layer Substances 0.000 claims description 9
- 238000009713 electroplating Methods 0.000 claims description 8
- 239000012748 slip agent Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 4
- 238000013007 heat curing Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002335 surface treatment layer Substances 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005524 ceramic coating Methods 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229910021392 nanocarbon Inorganic materials 0.000 claims 1
- 239000006070 nanosuspension Substances 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 14
- 239000002904 solvent Substances 0.000 abstract description 11
- 238000007865 diluting Methods 0.000 abstract description 9
- 239000011230 binding agent Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 48
- 239000000975 dye Substances 0.000 description 23
- 239000010410 layer Substances 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 14
- 238000002156 mixing Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000007747 plating Methods 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 9
- 238000011282 treatment Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000011342 resin composition Substances 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002114 nanocomposite Substances 0.000 description 4
- 239000002345 surface coating layer Substances 0.000 description 4
- KZEVSDGEBAJOTK-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[5-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CC=1OC(=NN=1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O KZEVSDGEBAJOTK-UHFFFAOYSA-N 0.000 description 3
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 3
- APLNAFMUEHKRLM-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(3,4,6,7-tetrahydroimidazo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)N=CN2 APLNAFMUEHKRLM-UHFFFAOYSA-N 0.000 description 3
- NEAPKZHDYMQZCB-UHFFFAOYSA-N N-[2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]ethyl]-2-oxo-3H-1,3-benzoxazole-6-carboxamide Chemical compound C1CN(CCN1CCNC(=O)C2=CC3=C(C=C2)NC(=O)O3)C4=CN=C(N=C4)NC5CC6=CC=CC=C6C5 NEAPKZHDYMQZCB-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- JQMFQLVAJGZSQS-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JQMFQLVAJGZSQS-UHFFFAOYSA-N 0.000 description 1
- IHCCLXNEEPMSIO-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 IHCCLXNEEPMSIO-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0426—Cooling with air
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/68—Particle size between 100-1000 nm
-
- 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
-
- 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
- C23C22/82—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
Description
구분 | 시편 A (시간) | 시편 B (시간) | 시편 C (시간) |
실시예 1 | 520 | 530 | 525 |
실시예 2 | 530 | 510 | 515 |
실시예 3 | 532 | 515 | 520 |
실시예 4 | 520 | 520 | 512 |
실시예 5 | 530 | 530 | 520 |
실시예 6 | 525 | 510 | 530 |
비교예 1 | 20 | 21 | 15 |
비교예 2 | 250 | 200 | 210 |
비교예 3 | 15 | 18 | 16 |
비교예 4 | 260 | 250 | 260 |
비교예 5 | 22 | 20 | 20 |
비교예 6 | 300 | 310 | 300 |
구분 | 시편 A | 시편 B | 시편 C |
실시예 1 | 1 | 2 | 1 |
실시예 2 | 1 | 1 | 2 |
실시예 3 | 2 | 1 | 1 |
실시예 4 | 1 | 1 | 1 |
실시예 5 | 1 | 2 | 2 |
실시예 6 | 2 | 1 | 1 |
비교예 1 | 6 | 6 | 6 |
비교예 2 | 7 | 8 | 5 |
비교예 3 | 6 | 7 | 7 |
비교예 4 | 8 | 6 | 6 |
비교예 5 | 7 | 5 | 7 |
비교예 6 | 6 | 6 | 6 |
구분 | 시편 A | 시편 B | 시편 C |
실시예 1 | 1 | 2 | 1 |
실시예 2 | 2 | 1 | 2 |
실시예 3 | 1 | 1 | 1 |
실시예 4 | 1 | 2 | 2 |
실시예 5 | 1 | 2 | 2 |
실시예 6 | 2 | 1 | 1 |
비교예 1 | 6 | 6 | 5 |
비교예 2 | 7 | 6 | 5 |
비교예 3 | 6 | 5 | 7 |
비교예 4 | 5 | 6 | 5 |
비교예 5 | 5 | 5 | 7 |
비교예 6 | 6 | 6 | 6 |
구분 | 시편 A (H) | 시편 B (H) | 시편 C (H) |
실시예 1 | 7 | 7 | 7 |
실시예 2 | 7 | 7 | 6 |
실시예 3 | 7 | 7 | 7 |
실시예 4 | 7 | 6 | 7 |
실시예 5 | 7 | 7 | 6 |
실시예 6 | 7 | 7 | 7 |
비교예 1 | 2 | 2 | 2 |
비교예 2 | 4 | 4 | 3 |
비교예 3 | 2 | 2 | 2 |
비교예 4 | 3 | 3 | 2 |
비교예 5 | 2 | 2 | 2 |
비교예 6 | 3 | 2 | 3 |
구분 | 시편 A | 시편 B | 시편 C |
실시예 1 | 2 | 1 | 1 |
실시예 2 | 1 | 1 | 2 |
실시예 3 | 2 | 1 | 2 |
실시예 4 | 2 | 1 | 1 |
실시예 5 | 1 | 2 | 1 |
실시예 6 | 2 | 1 | 1 |
비교예 1 | 6 | 6 | 6 |
비교예 2 | 7 | 5 | 5 |
비교예 3 | 6 | 5 | 6 |
비교예 4 | 8 | 6 | 5 |
비교예 5 | 7 | 6 | 7 |
비교예 6 | 6 | 7 | 6 |
Claims (11)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 코팅 처리대상인 금속 물질의 표면에 아연 또는 아연합금 물질이 포함된 용액을 이용하여 표면 전해도금을 실시하는 아연 전해도금 단계;
상기 아연 전해도금 처리된 금속 물질을 크로메이트 용액에 침지하는 크로메이트 코팅 단계; 및
상기 크로메이트 코팅된 금속 물질을 아크릴바인더 수지, 슬립제, 100 내지 1,000nm의 평균 입경을 갖는 나노 실리카 및 셀루솔브아세테이트를 포함하는 나노코팅제 용액에 4 내지 5초간 침지하여 나노코팅층을 형성하는 나노세라믹 코팅단계;
상기 나노세라믹 코팅 처리된 금속 물질을 상기 나노코팅제 용액으로부터 꺼낸 후, 금속 물질의 대면적 표면이 2 내지 3분간 중력 방향에 대하여 수직이 되도록 유지함으로써 금속의 대면적 표면에 잔류하는 나노코팅제 용액이 금속 표면을 따라 자연스럽게 중력에 의하여 하방으로 흘러 내려 제거될 수 있도록 하는 탈루단계; 및
상기 탈루단계를 거친 금속 물질을 120 내지 140℃의 온도로 5 내지 20분간 건조하는 열경화 건조단계;를 포함하며,
KS D 9502의 염수분무시험 기준에 따른 내식성 테스트에서 510시간 경과 후에도 표면처리층이 유지될 수 있도록 하는 내식성이 향상된 금속표면 처리방법. - 삭제
- 청구항 9에 있어서,
상기 방법은 상기 열경화 건조단계 이후에,
열경화 건조된 금속을 15 내지 30℃의 온도로 냉각시키는 상온냉각단계;를 더욱 포함하는 내식성이 향상된 금속표면 처리방법.
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