CN116063908A - Rust layer repairing agent for outdoor service weathering steel and use method thereof - Google Patents
Rust layer repairing agent for outdoor service weathering steel and use method thereof Download PDFInfo
- Publication number
- CN116063908A CN116063908A CN202310056503.XA CN202310056503A CN116063908A CN 116063908 A CN116063908 A CN 116063908A CN 202310056503 A CN202310056503 A CN 202310056503A CN 116063908 A CN116063908 A CN 116063908A
- Authority
- CN
- China
- Prior art keywords
- percent
- agent
- rust layer
- repairing agent
- weathering steel
- 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.)
- Granted
Links
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910000870 Weathering steel Inorganic materials 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 74
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 12
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims abstract description 11
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 10
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 8
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims abstract description 8
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 7
- 238000011282 treatment Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- 239000002318 adhesion promoter Substances 0.000 claims description 6
- -1 polysiloxane acrylate Polymers 0.000 claims description 6
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 5
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical group C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims 1
- 239000000049 pigment Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 49
- 238000001723 curing Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000001263 FEMA 3042 Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- LRBQNJMCXXYXIU-QWKBTXIPSA-N gallotannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@H]2[C@@H]([C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-QWKBTXIPSA-N 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229940033123 tannic acid Drugs 0.000 description 2
- 235000015523 tannic acid Nutrition 0.000 description 2
- 229920002258 tannic acid Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- YJLUBHOZZTYQIP-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-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)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=N2 YJLUBHOZZTYQIP-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 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 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- QFFVPLLCYGOFPU-UHFFFAOYSA-N barium chromate Chemical compound [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 description 1
- 229940083898 barium chromate Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- PEVJCYPAFCUXEZ-UHFFFAOYSA-J dicopper;phosphonato phosphate Chemical compound [Cu+2].[Cu+2].[O-]P([O-])(=O)OP([O-])([O-])=O PEVJCYPAFCUXEZ-UHFFFAOYSA-J 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000013003 healing agent Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000001034 iron oxide pigment Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- KJOLVZJFMDVPGB-UHFFFAOYSA-N perylenediimide Chemical compound C=12C3=CC=C(C(NC4=O)=O)C2=C4C=CC=1C1=CC=C2C(=O)NC(=O)C4=CC=C3C1=C42 KJOLVZJFMDVPGB-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 229910006540 α-FeOOH Inorganic materials 0.000 description 1
- 229910006299 γ-FeOOH Inorganic materials 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- 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
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2268—Ferrous oxide (FeO)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a rust layer repairing agent for outdoor service weathering steel and a use method thereof, wherein the rust layer repairing agent comprises the following components in percentage by mass: 15 to 25 percent of photosensitive resin, 40 to 55 percent of photosensitive monomer, 3 to 5 percent of photoinitiator, 2 to 3 percent of silane coupling agent, 3.2 to 4.5 percent of auxiliary agent, 5 to 10 percent of iron oxide brown, 2 to 8 percent of iron oxide black, 1.5 to 2 percent of cuprous oxide, 2 to 5 percent of titanium nickel yellow and 2 to 5 percent of perylene purplish red. The advantages are that: the color of the damaged part of the rust layer is consistent with that of the original rust layer by adjusting the proportion of pigment and filler, thereby realizing the repair of the rust layer on the surface of weathering steel in different service times. Can be quickly solidified within tens of seconds, has zero VOC emission and has the characteristic of environmental protection.
Description
Technical Field
The invention belongs to the field of steel corrosion, and relates to a rust layer repairing agent for outdoor service weathering steel and a use method thereof.
Background
The weathering steel has good atmospheric corrosion resistance, a compact and stable rust layer can be formed on the surface of the weathering steel in the use process, and the rust layer has good corrosion resistance and can effectively prevent corrosive media from entering. The coating-free use of the weathering steel omits coating and periodical anti-corrosion treatment, thereby producing good economic benefit and environmental benefit. At present, the application mode of the weathering steel without coating is popularized to outdoor weathering steel structures, indoor building inner walls and landscapes. However, weathering steel also has problems when used without painting. The formation of the stabilized rust layer on the surface of the weathering steel in the outdoor service state requires 4 to 10 years, and before that, the bare weathering steel generates loose rust layers such as red rust, yellow rust and the like and rust liquid as common carbon steel, and the rust liquid sagging and scattering influence the appearance and pollute the environment. In addition, in practical applications, damage to the rust layer due to welding, mechanical damage, contamination, etc. can seriously affect the appearance of the weathering steel member.
Currently, some stabilizing treatments for rust layers on the surface of weathering steel have been developed to solve the problem of sagging of rust liquid in the initial stage of exposed use of weathering steel. The development of the technologies expands the application field of the weather-resistant steel coating-free. However, in practical applications, damage to the rust layer due to welding, mechanical damage, contamination, etc. can seriously affect the appearance of the weathering steel member. The prior art is often not effective for rust layer repair due to limitations of treatment processes and the like. Patent number CN102191492a discloses a rust converting agent, which is composed of a pretreatment liquid and a post-treatment liquid, wherein the pretreatment liquid contains iron powder, urotropine, glycerol, water and the like, and the post-treatment liquid contains polyphosphoric acid, manganese carbonate, acetic acid, tannic acid and water; although the conversion agent can effectively inhibit corrosion by inhibiting the anodic reaction process of steel, the treatment time is long, the steel piece needs to be coated with the pretreatment liquid for 1 hour and then sprayed with the post-treatment liquid, and then the steel piece needs to be placed for 24 hours to obtain a complete treatment film, so that the conversion agent is not suitable for repairing the weld surface and damaged rust layer of a construction site of a weathering resistant steel-iron member. Patent number CN86103534a discloses a method for quickly forming weather-resistant rust-proof film for weathering-resistant steel and common carbon steel, the treating agent of the method contains oxalic acid, tannin extract, tannic acid, hydrogen peroxide, ammonium molybdate, potassium dichromate, potassium permanganate, sodium nitrite, sodium sulfite and the like, and the main treatment process comprises surface pickling, purifying, oxidizing, stabilizing and fully rust-producing. The method is not suitable for repairing the weld surface and damaged rust layer on the construction site of the weathering steel member because the method is processed in a soaking mode. Patent number CN103173754a discloses a stabilizing treatment agent for rust layer on surface of weathering resistant steel and its preparation method, the treatment agent contains alkyd varnish, copper pyrophosphate, barium chromate, ferroferric oxide, ferric oxide, solvent oil and dispersant. The formation time of the stabilized rust layer can be shortened. However, the treating agent is dried at room temperature, the drying and curing time is long, and the formula contains solvent oil and can generate Volatile Organic Compound (VOC) emission during film forming and curing. Patent number CN108624157 a discloses an environment-friendly water paint with rust-imitating effect, which comprises water-based styrene-acrylic emulsion, deionized water, an antifreezing agent, a neutralizing agent, a dispersing agent, a defoaming agent, a film forming auxiliary agent, a flash rust inhibitor, a leveling agent, a thickening agent, carbon black, iron oxide yellow, ferrotitanium powder, an anti-settling agent and the like. The coating has good rust imitation and corrosion prevention effects, but the coating component does not contain a component for promoting the surface of the weathering steel substrate to form a stabilized rust layer, and the steel substrate can be corroded continuously after the aging failure of the coating to generate rust liquid sagging, so that the coating is not suitable for repairing the weathering steel rust layer. Therefore, the prior art has the defects of long treatment time, inapplicability of the treatment process to local repair, incapability of promoting the stabilization and transformation of rust layers and the like due to the VOC emission of the treating agent.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the rust layer repairing agent for the outdoor service weathering steel and the use method thereof, and the repairing agent can participate in and promote the formation process of the rust layer of the weathering steel base body based on the light curing principle, so that the phenomenon of sagging and scattering of rust liquid on the surface of the weathering steel is effectively avoided, and the post maintenance is not needed.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
a rust layer repairing agent for outdoor service weathering steel comprises the following components in percentage by mass:
15 to 25 percent of photosensitive resin, 40 to 55 percent of photosensitive monomer, 3 to 5 percent of photoinitiator, 2 to 3 percent of silane coupling agent, 3.2 to 4.5 percent of auxiliary agent, 5 to 10 percent of iron oxide brown, 2 to 8 percent of iron oxide black, 1.5 to 2 percent of cuprous oxide, 2 to 5 percent of titanium nickel yellow and 2 to 5 percent of perylene purplish red.
The photosensitive resin is bisphenol A epoxy acrylate.
The photosensitive monomer is tripropylene glycol diacrylate.
The photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone, diphenyl ketone and triethanolamine according to the mass ratio of 1:1:0.5-0.8.
The silane coupling agent is gamma- (methacryloyloxy) propyl trimethoxy silane.
The auxiliary agent is a mixture of defoaming agent, flatting agent and adhesion promoter according to the mass ratio of 1:2:6-9, wherein the defoaming agent is polysiloxane acrylate Rad2500, the flatting agent is polysiloxane acrylate Rad2100, and the adhesion promoter is acrylic phosphate EB170.
The application method of the rust layer repairing agent for outdoor service weathering steel comprises the following steps:
1) Mixing iron oxide brown, iron oxide black, cuprous oxide, titanium nickel yellow and perylene purplish red, and adjusting the proportion thereof to ensure that the color of the repairing agent is consistent with that of the peripheral rust layer at the position to be repaired;
2) Surface treatment is carried out on the place to be repaired until the surface cleanliness specified in GB-T8923.1-2011 is of the grade Sa2.5 or St 3; the repairing agent is coated on the surface to be repaired in a spraying or brushing mode;
3) After the repairing agent is coated, a hand-held mercury arc lamp is adopted to carry out the treatment at the speed of 150mW/cm 2 ～250mW/cm 2 The coated repairing agent is irradiated for 15 s-30 s to solidify the repairing agent.
The wet film thickness of the repairing agent in the step 2) is not more than 100 mu m.
Compared with the prior art, the invention has the beneficial effects that:
1. the rust layer repairing agent for outdoor service weathering steel can enable the damaged positions of the rust layer to be consistent with the original colors of the rust layer through adjustment of pigment and filler proportions, and therefore the rust layer repairing on the surface of weathering steel in different service times is achieved.
2. The repairing agent can be rapidly cured within tens of seconds, has zero VOC emission and has the characteristic of environmental friendliness.
3. The iron, copper and nickel elements contained in the repairing agent can participate in and promote the formation process of the rust layer of the weathering steel matrix, and under the synergistic effect of pigments, corrosion products with the same color and luster as the original stabilized rust layer and similar phase composition can be formed at the repairing position, so that the purpose of repairing the rust layer is achieved, and further damage to the whole appearance of the rust layer caused by rust flow hanging scattering at the damaged position of the rust layer is effectively avoided.
4. The repairing agent has simple implementation process and low construction cost, and is suitable for being implemented on the construction site of the weathering steel member.
Detailed Description
The present invention will be described in detail below, but it should be noted that the practice of the present invention is not limited to the following embodiments.
The rust layer repairing agent for outdoor service weathering steel is based on the principle of photo-curing coating, so that the purpose of rapidly curing the repairing agent on the surface of the weathering steel and further rapidly repairing the rust layer is achieved. The repairing agent comprises the following components in percentage by mass: 15 to 25 percent of photosensitive resin, 40 to 55 percent of photosensitive monomer, 3 to 5 percent of photoinitiator, 2 to 3 percent of silane coupling agent, 3.2 to 4.5 percent of auxiliary agent, 5 to 10 percent of iron oxide brown, 2 to 8 percent of iron oxide black, 1.5 to 2 percent of cuprous oxide, 2 to 5 percent of titanium nickel yellow and 2 to 5 percent of perylene purplish red.
The photosensitive resin is bisphenol A epoxy acrylate, and the bisphenol A epoxy acrylate is polymerized under the action of ultraviolet light and a photoinitiator, so that the photosensitive resin is a main film forming material of the repairing agent. Bisphenol A epoxy acrylate can be slowly aged and degraded under the action of ultraviolet rays when being used outdoors, so that pigment and filler in the repairing agent are gradually exposed to corrosive media such as oxygen, water and the like, and nucleation points and reactants are provided for the growth of a rust layer.
The photosensitive monomer is tripropylene glycol diacrylate, and can perform polymerization reaction under the action of ultraviolet light and a photoinitiator while the function of adjusting the viscosity of the repairing agent is achieved, so that volatile organic compound emission is not generated in the curing process of the repairing agent, and the photosensitive monomer is another main film forming material except the photosensitive resin in the repairing agent.
The photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone, diphenyl ketone and triethanolamine, and the mass ratio of the components is 1:1:0.5-0.8.
The silane coupling agent is gamma- (methacryloyloxy) propyl trimethoxy silane, which can improve the compatibility of inorganic pigment filler, photosensitive resin and photosensitive monomer in the repairing agent.
The auxiliary agent is a mixture of an antifoaming agent, a leveling agent and an adhesion promoter, wherein the antifoaming agent is polysiloxane acrylate Rad2500, the leveling agent is polysiloxane acrylate Rad2100, the adhesion promoter is acrylic phosphate EB170 (manufactured by Cyanut company of America), and the mass ratio of the components is 1:2:6-9.
The iron oxide brown and the iron oxide black are iron oxide pigments, and the effect of the iron oxide brown and the iron oxide black is to adjust the color of the repairing agent to be consistent with the surface rust layer of the weathering steel. In addition, under the action of outdoor environment corrosive medium, the two pigments can participate in the growth process of rust layers on the surface of the weathering steel matrix; the cuprous oxide has the function of adjusting the color of the repairing agent to be consistent with the rust layer on the surface of the weathering steel on the one hand; on the other hand, copper ions can be released after the copper ions react with corrosive media such as environmental water and the like, so that the copper ions participate in the growth process of the rust layer on the surface of the weathering steel substrate and promote the stabilization of the rust layer. Titanium nickel yellow asAnd perylene purplish red (chemical formula C 24 H 10 N 2 O 4 Also known as 3,4,9,10 perylene tetracarboxylic diimide) are inorganic and organic pigments, respectively, which function to adjust the color of the healing agent to conform to the surface rust layer of weathering steel. In addition, the nickel element in the titanium nickel yellow can participate in the growth process of the rust layer on the surface of the weathering steel matrix and promote the stabilization of the rust layer. When the film-forming resin of the repairing agent is aged gradually, the iron oxide brown, the iron oxide black and the like in the repairing agent can be converted into Fe (OH) under the action of corrosive media such as permeated oxygen, water and the like 2 And the thermodynamically unstable phases such as gamma-FeOOH can be converted into thermodynamically stable phases such as alpha-FeOOH under the action of copper and nickel elements in the pigments such as cuprous oxide, titanium nickel yellow and the like. Under the synergistic effect of the pigments such as iron oxide brown, iron oxide black, cuprous oxide, titanium nickel yellow and the like, the repair part can form corrosion products with the same color and similar phase composition as the original stabilized rust layer, thereby achieving the purpose of repairing the rust layer.
When the repairing agent is used for repairing, firstly, the pigment proportion of iron oxide brown, iron oxide black, cuprous oxide, titanium nickel yellow and perylene purplish red is regulated, so that the color of the repairing agent is consistent with that of the peripheral rust layer of the part to be repaired. Then, the surface of the place to be repaired is treated to be the Sa2.5 or St3 level of surface cleanliness specified in GB-T8923.1-2011 by adopting modes such as spray cleaning, manual or power tool cleaning and the like; and (3) coating the repairing agent on the surface to be repaired by adopting a spraying or brushing mode, and controlling the wet film thickness of the repairing agent to be not more than 100 mu m. After the repairing agent is coated, a hand-held mercury arc lamp is adopted to carry out the treatment at the speed of 150mW/cm 2 ～250mW/cm 2 The coated repairing agent is irradiated for 15 s-30 s to be solidified.
Examples and comparative examples are shown in Table 1 (the contents are all mass percent).
Table 1 the composition ratios (%)
Table 2 effects of examples and comparative examples
| Color of cured restorative 1 | Degree of actual dryness 2 | |
| Example 1 | 3 | ○ |
| Example 2 | 6 | ○ |
| Example 3 | 4 | ○ |
| Example 4 | 5 | ○ |
| Example 5 | 7 | ○ |
| Example 6 | 1 | ○ |
| Example 7 | 2 | ○ |
| Comparative example 1 | 5 | ╳ |
| Comparative example 2 | 5 | ╳ |
| Comparative example 3 | 5 | ╳ |
Remarks: 1. the color of the cured repairing agent is judged according to a rust layer color comparison board specified by a standard T/CISA 192-2021 'method for detecting the stability of a weathering steel rust layer', and different values represent different colors;
"good" indicates a dry state and "" gamma "indicates poor cure below the skin.
The implementation effect of each embodiment shows that different rust layer colors can be obtained by adopting the repairing agent and the using method, so that the rust layer repairing on the surface of the weathering steel in different service times is realized. The repairing agent is well cured, the curing time of the repairing agent is not longer than 30s, and compared with the prior art, the curing time is greatly shortened, and the rapid curing is realized. In comparative example 1, the photoinitiator content was too low as compared with examples 1 to 9, resulting in insufficient polymerization of the photosensitive resin and the photosensitive monomer, and poor curing below the surface layer of the restorative. In comparative example 2, the intensity of the ultraviolet light irradiation was too low compared with examples 1 to 9, so that the polymerization reaction of the photosensitive resin and the photosensitive monomer could not obtain a sufficient driving force, and the curing failure below the surface layer of the restorative agent was caused. In comparative example 3, the ultraviolet irradiation time was too short as compared with examples 1 to 9, and the polymerization reaction of the photosensitive resin and the photosensitive monomer was not sufficiently performed, and thus the curing failure below the surface layer of the restorative agent was caused.
Claims (8)
1. A rust layer repairing agent for outdoor service weathering steel is characterized by comprising the following components in percentage by mass:
15 to 25 percent of photosensitive resin, 40 to 55 percent of photosensitive monomer, 3 to 5 percent of photoinitiator, 2 to 3 percent of silane coupling agent, 3.2 to 4.5 percent of auxiliary agent, 5 to 10 percent of iron oxide brown, 2 to 8 percent of iron oxide black, 1.5 to 2 percent of cuprous oxide, 2 to 5 percent of titanium nickel yellow and 2 to 5 percent of perylene purplish red.
2. The rust layer repairing agent for outdoor service weathering steel of claim 1, wherein the photosensitive resin is bisphenol a epoxy acrylate.
3. The rust layer repairing agent for outdoor service weathering steel of claim 1, wherein the photosensitive monomer is tripropylene glycol diacrylate.
4. The rust layer repairing agent for outdoor service weathering steel according to claim 1, wherein the photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone, benzophenone and triethanolamine in a mass ratio of 1:1:0.5-0.8.
5. The rust layer repairing agent for outdoor service weathering steel of claim 1, wherein the silane coupling agent is gamma- (methacryloyloxy) propyl trimethoxysilane.
6. The rust layer repairing agent for outdoor service weathering steel according to claim 1, wherein the auxiliary agent is a mixture of defoaming agent, leveling agent and adhesion promoter according to the mass ratio of 1:2:6-9, the defoaming agent is polysiloxane acrylate Rad2500, the leveling agent is polysiloxane acrylate Rad2100, and the adhesion promoter is acrylic phosphate EB170.
7. The method for using the rust layer repairing agent for outdoor service weathering steel according to any one of claims 1 to 6, comprising the steps of:
1) Mixing iron oxide brown, iron oxide black, cuprous oxide, titanium nickel yellow and perylene purplish red, and adjusting the proportion thereof to ensure that the color of the repairing agent is consistent with that of the peripheral rust layer at the position to be repaired;
2) Surface treatment is carried out on the place to be repaired until the surface cleanliness specified in GB-T8923.1-2011 is of the grade Sa2.5 or St 3; the repairing agent is coated on the surface to be repaired in a spraying or brushing mode;
3) After the repairing agent is coated, a hand-held mercury arc lamp is adopted to carry out the treatment at the speed of 150mW/cm 2 ～250mW/cm 2 The coated repairing agent is irradiated for 15 s-30 s to solidify the repairing agent.
8. The method of claim 7, wherein the wet film thickness of the repairing agent in step 2) is not more than 100 μm.
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| CN112552748A (en) * | 2020-12-08 | 2021-03-26 | 上海现代建筑装饰环境设计研究院有限公司 | Weather-resistant steel plate surface repairing process |
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| EP0714959A2 (en) * | 1994-12-01 | 1996-06-05 | Nippon Paint Co., Ltd. | Paints for repairing lustrous agent-containing films and repairing process |
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