WO1997000337A1 - Feuille d'acier a surface traitee pourvue d'un revetement de resine a conversion chimique et procede de fabrication de ladite feuille - Google Patents
Feuille d'acier a surface traitee pourvue d'un revetement de resine a conversion chimique et procede de fabrication de ladite feuille Download PDFInfo
- Publication number
- WO1997000337A1 WO1997000337A1 PCT/JP1996/001663 JP9601663W WO9700337A1 WO 1997000337 A1 WO1997000337 A1 WO 1997000337A1 JP 9601663 W JP9601663 W JP 9601663W WO 9700337 A1 WO9700337 A1 WO 9700337A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- colloid
- steel sheet
- weight
- group
- Prior art date
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 179
- 239000011347 resin Substances 0.000 title claims abstract description 179
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- 239000000126 substance Substances 0.000 title claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 32
- 230000008569 process Effects 0.000 title description 3
- 239000000084 colloidal system Substances 0.000 claims abstract description 150
- 239000002245 particle Substances 0.000 claims abstract description 89
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 229920000642 polymer Polymers 0.000 claims description 77
- 239000000178 monomer Substances 0.000 claims description 76
- 229910052751 metal Inorganic materials 0.000 claims description 54
- 239000000243 solution Substances 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 53
- 229920002554 vinyl polymer Polymers 0.000 claims description 44
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 43
- 239000002270 dispersing agent Substances 0.000 claims description 39
- 239000007864 aqueous solution Substances 0.000 claims description 38
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical class [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 37
- 150000001875 compounds Chemical class 0.000 claims description 37
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 35
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 33
- 230000002209 hydrophobic effect Effects 0.000 claims description 32
- -1 vinyl amine Chemical class 0.000 claims description 32
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 31
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 26
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 25
- 150000003839 salts Chemical class 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 23
- 125000000524 functional group Chemical group 0.000 claims description 22
- 229910019142 PO4 Inorganic materials 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 235000021317 phosphate Nutrition 0.000 claims description 20
- 150000001336 alkenes Chemical class 0.000 claims description 19
- 238000007739 conversion coating Methods 0.000 claims description 19
- 239000000839 emulsion Substances 0.000 claims description 19
- 239000004816 latex Substances 0.000 claims description 19
- 229920000126 latex Polymers 0.000 claims description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 19
- 239000010452 phosphate Substances 0.000 claims description 19
- 229910021645 metal ion Inorganic materials 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 12
- 229920001400 block copolymer Polymers 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 7
- 239000011258 core-shell material Substances 0.000 claims description 7
- 229910004762 CaSiO Inorganic materials 0.000 claims description 5
- BNKAXGCRDYRABM-UHFFFAOYSA-N ethenyl dihydrogen phosphate Chemical compound OP(O)(=O)OC=C BNKAXGCRDYRABM-UHFFFAOYSA-N 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 5
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 claims description 3
- 229940126062 Compound A Drugs 0.000 claims description 3
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 3
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 claims description 2
- 238000004381 surface treatment Methods 0.000 claims description 2
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 claims 1
- 125000005250 alkyl acrylate group Chemical group 0.000 claims 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 claims 1
- 239000011651 chromium Substances 0.000 description 49
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 34
- 229910052804 chromium Inorganic materials 0.000 description 34
- 230000007797 corrosion Effects 0.000 description 25
- 238000005260 corrosion Methods 0.000 description 25
- 238000010828 elution Methods 0.000 description 17
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 17
- 239000000049 pigment Substances 0.000 description 15
- 239000003973 paint Substances 0.000 description 14
- 238000012545 processing Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000003993 interaction Effects 0.000 description 9
- 238000007747 plating Methods 0.000 description 9
- JESXATFQYMPTNL-UHFFFAOYSA-N 2-ethenylphenol Chemical compound OC1=CC=CC=C1C=C JESXATFQYMPTNL-UHFFFAOYSA-N 0.000 description 8
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 229920000620 organic polymer Polymers 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
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- 239000002904 solvent Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 6
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 5
- 229940057499 anhydrous zinc acetate Drugs 0.000 description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 239000011164 primary particle Substances 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229920001187 thermosetting polymer Polymers 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- DJWUNCQRNNEAKC-UHFFFAOYSA-L zinc acetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 description 5
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
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- 230000007774 longterm Effects 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000012453 solvate Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- NVKTUNLPFJHLCG-UHFFFAOYSA-N strontium chromate Chemical compound [Sr+2].[O-][Cr]([O-])(=O)=O NVKTUNLPFJHLCG-UHFFFAOYSA-N 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- QFFVPLLCYGOFPU-UHFFFAOYSA-N barium chromate Chemical compound [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 description 3
- 229940083898 barium chromate Drugs 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 150000001844 chromium Chemical class 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
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- 230000006641 stabilisation Effects 0.000 description 3
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- 229910052718 tin Inorganic materials 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- UGHIQYNKFXEQPU-UHFFFAOYSA-N 2,3-dichloro-1,4-dimethylbenzene Chemical group CC1=CC=C(C)C(Cl)=C1Cl UGHIQYNKFXEQPU-UHFFFAOYSA-N 0.000 description 2
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 150000001449 anionic compounds Chemical class 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
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- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
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- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 2
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
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- 229910052709 silver Inorganic materials 0.000 description 2
- 238000001542 size-exclusion chromatography Methods 0.000 description 2
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- BTOVVHWKPVSLBI-UHFFFAOYSA-N 2-methylprop-1-enylbenzene Chemical compound CC(C)=CC1=CC=CC=C1 BTOVVHWKPVSLBI-UHFFFAOYSA-N 0.000 description 1
- OELQSSWXRGADDE-UHFFFAOYSA-N 2-methylprop-2-eneperoxoic acid Chemical compound CC(=C)C(=O)OO OELQSSWXRGADDE-UHFFFAOYSA-N 0.000 description 1
- PMJNEQWWZRSFCE-UHFFFAOYSA-N 3-ethoxy-3-oxo-2-(thiophen-2-ylmethyl)propanoic acid Chemical compound CCOC(=O)C(C(O)=O)CC1=CC=CS1 PMJNEQWWZRSFCE-UHFFFAOYSA-N 0.000 description 1
- DKIDEFUBRARXTE-UHFFFAOYSA-N 3-mercaptopropanoic acid Chemical compound OC(=O)CCS DKIDEFUBRARXTE-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- XRUKRHLZDVJJSX-UHFFFAOYSA-N 4-cyanopentanoic acid Chemical compound N#CC(C)CCC(O)=O XRUKRHLZDVJJSX-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- LFVLUOAHQIVABZ-UHFFFAOYSA-N Iodofenphos Chemical compound COP(=S)(OC)OC1=CC(Cl)=C(I)C=C1Cl LFVLUOAHQIVABZ-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910003110 Mg K Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 241000124033 Salix Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- HZWXJJCSDBQVLF-UHFFFAOYSA-N acetoxysulfonic acid Chemical compound CC(=O)OS(O)(=O)=O HZWXJJCSDBQVLF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003048 aphrodisiac agent Substances 0.000 description 1
- 230000002509 aphrodisiac effect Effects 0.000 description 1
- 239000008135 aqueous vehicle Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- AHXGRMIPHCAXFP-UHFFFAOYSA-L chromyl dichloride Chemical compound Cl[Cr](Cl)(=O)=O AHXGRMIPHCAXFP-UHFFFAOYSA-L 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- QKXZKUOSZUAENK-UHFFFAOYSA-N ethenyl pyridine-2-sulfonate Chemical compound C=COS(=O)(=O)C1=CC=CC=N1 QKXZKUOSZUAENK-UHFFFAOYSA-N 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethyl mercaptane Natural products CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- NXMXPVQZFYYPGD-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;methyl prop-2-enoate Chemical compound COC(=O)C=C.COC(=O)C(C)=C NXMXPVQZFYYPGD-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 229940044652 phenolsulfonate Drugs 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 description 1
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- MOLSHLPWPPSZQG-UHFFFAOYSA-N sulfino acetate Chemical compound CC(=O)OS(O)=O MOLSHLPWPPSZQG-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000003887 surface segregation Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 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
- C23C22/02—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 non-aqueous solutions
- C23C22/04—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 non-aqueous solutions containing hexavalent chromium 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
- 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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
Definitions
- the present invention relates to a resin-based surface-treated steel sheet and a method for producing the same, and more specifically, to a surface having a resin-based chemical conversion coating film having excellent corrosion resistance, particularly excellent corrosion resistance in a processed portion, and excellent insolubility of hexavalent chrome.
- the present invention relates to a treated steel sheet and a method for producing the same.
- chromate treatment is performed. It is common practice to form a coating.
- chromate treatment there are an electrolytic chromate method and a coating type chromate method.
- the electrolytic chromate method uses, for example, a bath containing chromic acid as a main component and various anions such as sulfuric acid, phosphoric acid, boric acid, and halogen. This has been done by subjecting steel sheets to cathodic electrolytic treatment.
- the coating-type chromate method has a problem of elution of chromium from a chromate-treated steel sheet, and a method of reducing hexavalent chromium in advance with a reducing agent has been adopted.
- chromic acid or chromic acid having a specific chromium ratio of hexavalent to trivalent chromium treated with a liquid containing inorganic colloid and inorganic anion is used.
- a method of immobilizing chromium by combining it with an organic polymer and a method of further coating an organic polymer on a chromate film are known. It is considered.
- a metal surface treatment composition comprising a mixture of an inorganic substance which forms a poorly water-soluble salt by reacting with an amphoteric metal has been proposed.
- the above-mentioned Japanese Patent Application Laid-Open No. 5-230666 is excellent in that a resin film having excellent chromium elution properties is formed without impairing corrosion resistance.
- problems such as oxidation by acid and gelation by interaction between chromic acid and carboxylic acid component.
- the effect of suppressing chromic acid elution is presumed to be due to the strong interaction of chromium ions with the resin. If this interaction force is too strong, the resin layer will be unevenly solidified (excessive entanglement between molecular chains, ion segregation). Etc.), and the resulting coating becomes brittle, which deteriorates the chromium elution property of the processed part, and it cannot always be said that the chromium elution property is sufficient.
- the technique of redispersing the powder pigment as disclosed in Japanese Patent Application Laid-Open No. 7-180068 is excellent in that chromium can be hardly dissolved, but is the primary particle size of the pigment fine?
- aggregation of the pigments which occurs when mixed with the resin liquid, easily occurs. Since hetero-aggregation with non-resin easily occurs, the dispersibility of the pigment in the treatment liquid is poor, and the treatment liquid becomes unstable due to sedimentation of the pigment. It is not possible to prevent corrosion from progressing from places where pigment density is low.
- the pigment which has a large particle size as a result of deflection in the coating, breaks the coating and exposes the underlying metal, so that the corrosion resistance of the processed part is ensured. Can not.
- a method may be considered in which the liquid is stirred with a homogenizer or a mixer to apply a strong shearing force to re-disperse the pigment that has aggregated or settled in the processing liquid, but this is uneconomical due to an increase in the number of steps. Not only that, the pigment in the liquid will eventually agglomerate and cannot be an essential solution, and stable dispersion in the coating is not guaranteed. Disclosure of the invention
- the corrosion resistance of the processed part is such that if the particle size finally incorporated in the coating is sufficiently small and the dispersibility is good, the coating will not be damaged even after processing, and therefore It has been found that the chromate particles need to be small enough and have good dispersibility.
- the dispersibility and particle size of the chromate in the treated film are determined not by the particle size at the time of particle preparation but by the dispersion stability, particle size and uniformity of the treatment solution finally obtained. Ruled. Therefore, not only this dispersion stabilization, but also to save re-dispersion energy, fine and stable hardly soluble chromate particles, that is, colloids, are formed in the liquid. It has been found that it is effective to prevent the generated colloid from agglomerating and to co-exist with the resin by utilizing the electrical disturbance and potential repulsion between the colloid particles.
- the gist of the present invention is as follows.
- a surface-treated steel sheet including a steel sheet and a resin-based chemical conversion coating, wherein the resin-based chemical conversion coating is hardly soluble chromic acid dispersed in a matrix resin and the matrix resin. It has colloidal particles of salt in a weight ratio of 50/1 to 1/1, and the colloidal particles have an average particle diameter of less than 1 / m as particles dispersed in the matrix resin. Is a surface-treated steel sheet.
- the average diameter of the colloid particles is 0.30 m or less.
- the chromate is ZnCr0 4, SrCr0 4, BaCr0 4 , CuCr0 4, FeCr 0 4, Ag 2 Cr0 4 and SnCr0 1 kind or 2 above is the more kinds selected Ri by the group consisting of 4 (1 ) Or the surface-treated steel sheet according to (2).
- the matrix resin has, at one end, a skeleton or a functional group having an affinity for the chromate co-particles, and separates a skeleton or a functional group having an affinity for a metal.
- the matrix resin comprises, as a core phase, a polymer obtained from at least one of a hydrophobic vinyl-based compound monomer and a Z or olefin-based compound monomer.
- the polymer dispersant is a polymer obtained from a hydrophobic vinyl-based monomer and a hydrophilic vinyl-based monomer, and the hydrophobic vinyl-based monomer is styrene, (I) at least one member selected from the group consisting of methyl styrene, vinylinole toluene, chloro styrene, and alkyl (meth) acrylate, wherein the hydratable vinyl monomer is The surface-treated steel sheet according to the above (10), which is a polar group-containing monomer.
- a dispersion or solution of a resin (preferably, the resin of (4), (5), (6) or (7)) is mixed with the aqueous solution to prepare a resin-based chemical conversion treatment solution.
- a method for producing a surface-treated steel sheet including a step.
- a hydratable polymer dispersant having a colloid-orienting group at one end and a group interacting with the metal surface at the other end is added in an amount of 0.005 to 1 part by weight of the above chromate salt. ⁇ 0.5 parts by weight
- a polymer obtained from at least one of a hydrophobic vinyl-based compound monomer and / or an olefin-based compound monomer is used as a core phase, and a polymer formed from a chromate colloid and a metal surface is used.
- a method for producing a surface-treated steel sheet including a step.
- Ca (0H 2. CaC0 3, CaO, Si0 2> Cr 2 0 3, Cr0 3, Cr (0H) 3, CaSiO ZrSi0 3. Ti0 2, Li phosphate, Li emissions salt, sulfuric acid and sulfate One or more compounds selected from the group consisting of 0.02 to 2 parts by weight,
- the chromate colloid in the film is finely dispersed as a poorly water-soluble salt, and therefore, elution of chromium out of the film is suppressed. Since there is no interaction with the resin, even if the steel sheet is subjected to bending, tension, or other processing, the original toughness of the resin can be exhibited. It can suppress elution.
- the chromate colloid incorporated in the coating dissolves by triggering the pH drop in the corrosion reaction progressing part, and selectively releases chromic acid to the corroded area to prevent corrosion. Functions can be exhibited. Therefore, the presence of the soluble chromium is limited only to the portion where the corrosion has progressed, and the chromium elution amount of the entire coating can be extremely reduced as compared with the conventional one without impairing the corrosion resistance.
- Figure 1 is a schematic diagram showing the state of coating of chromate colloid particles with block copolymer resin and telechelic resin.
- Figure 2 is a schematic diagram showing the stable dispersion of chromate colloid particles by core-shell type resin.
- Fig. 3 is a conceptual cross-sectional view of the chemical conversion coating.
- Figure 4 is a schematic diagram of the dispersion stabilization of chromate colloid by a polymer dispersant.
- Figure 5 is a conceptual cross-sectional view of the chemical conversion coating. Preferred embodiments of the invention
- the metal plate to which the present invention can be applied includes a zinc-plated steel plate, a zinc-nickel plated steel plate, a zinc-iron plated steel plate, a zinc-chrome plated steel plate, and a zinc-aluminum plated plate.
- multi-layer plating in which two or more of the above platings are sequentially applied, or a combination of the above plating and other types of plating, such as iron plating, iron-iron plating, etc. Also applicable to multi-layer plating. Furthermore, zinc plates, zinc alloy plates, aluminum plates, aluminum alloy plates, iron plates, steel plates, etc. can be used.
- an aqueous solution containing a metal ion which forms a hardly soluble salt by reacting with an aqueous solution of chromic acid is mixed, and chromium is mixed.
- the method is based on the precipitation of acid salts. Therefore, the colloid particle size changes the mixing speed, temperature, stirring speed, etc. Can be controlled by known methods.
- aqueous solution of chromic acid examples include chromic anhydride and reduced chromic acid obtained by partially reducing the same with starch or the like, or potassium dichromate, ammonium bichromate, sodium bichromate, It is possible to use an aqueous solution of bichromate or chromate such as chromate-ammonium, ammonium chromate, or sodium chromate.
- Examples of the aqueous solution containing a metal ion that forms a hardly soluble chromate by reacting with a chromic acid aqueous solution include metals such as Zn, Cu, Sr, Ba, Fe, Ag, and Sn;
- As the salt it is possible to use an aqueous solution in which a water-soluble salt is dissolved, such as acetate, anhydrous acetate, (carbonate, carbonate, phosphonate, sulfate, formate, nitrate, chloride, etc.). it can.
- aqueous solution containing chromic acid and an aqueous solution containing metal ions are mixed to precipitate hardly soluble chromate colloid.
- the surface potential of the chromate colloid itself can be determined by adjusting the molar mixing ratio of chromic acid / metal ion, adjusting the PH, colloid stabilizing agent, polymer dispersant into which an ionic functional group is introduced, etc. Thereby, the absolute value of the surface potential can be increased to enhance the repulsion, and the dispersibility of the colloid particles can be improved. The specific methods for these are described below.
- the potential can be controlled by changing the molar mixing ratio of chromic acid / metal ions during colloid precipitation.
- the molar ratio of chromic acid / metal ion of the present invention can be arbitrarily selected from 0.8 to 1.2, depending on the mixing stability with the resin to be mixed. Below 0.8, the concentration of metal polyvalent cations in the solution increases, destabilizing the resin and causing the treatment solution to gel. When the ratio is 1.2 or more, the amount of soluble chromic acid increases, and the amount of chromic acid eluted increases.
- the treatment solution used for the present invention be adjusted to a final pH range of 5 to 12. . If it is less than 5, not only coagulation occurs, but also the chromate binder becomes easy to dissolve, and the elution amount of chromium increases. If it exceeds 12, hydrolysis of the resin in the liquid proceeds, and the resin is degraded. More preferably, it is 6-10.
- Phosphoric acid, phosphate, sulfuric acid, and sulfate as stabilizers of calcium carbonate are sulfate ions or phosphate ions in the form of chromate colloid particles. Adsorb to the surface and apply a negative potential. Therefore, for these phosphates and sulfates, water-soluble salts must be selected. They also serve as passive film forming aids at the same time.
- the addition amount is preferably 2 or less in molar ratio: salt / (chromate constituting colloid). If it is 2 or more, the crystal grains of the salt in the coating become too large, and the coating toughness decreases. If it is less than 0.02, the effect cannot be expected.
- Polymeric dispersants can also be adsorbed on the surface and imparted a potential by ionic functional groups.
- a commercially available ionic polymer dispersant can also be used simply to ensure the dispersion stability of the colloid.
- dispersant a commercially available nonionic polymer dispersant can be used simply to ensure the dispersion stability of the colloid particles.
- Chromium salts of poorly soluble obtained by the colloids to you this is, ZnCr0 4 , SrC r0 4. BaCr0 4, CuCr0 4, FeCr0 4. Ag 2 Cr0 4, SnCr0 4 1 or two or more compounds or Z and mixtures by Li Cheng such.
- the size of colloid particles is generally said to be in the range of 1 nm to 1 m.
- a resin-based chemical conversion treatment liquid in which chromate is dispersed as colloid particles the size of the particles at the time of colloid preparation is substantially unchanged from the resin system. This is the particle size of the dispersed particles of the chromate in the chemical conversion coating, which enables fine dispersion.
- the average particle size of the chromate colloid particles dispersed in the resin-based coating (all primary particles, secondary particles in which primary particles are aggregated, or all particles in a dispersed state) May be less than 1 / m, preferably less than 0.7 ⁇ m, more preferably less than 0.3 ⁇ m, especially less than 0.15 ⁇ m.
- the weight ratio of the matrix resin to the chromate binder is preferably 50/1 to 1/1. If it is larger than 50/1, the chromate protection effect cannot be expected, and if it is smaller than 1Z1, the coating toughness is impaired.
- the size of the colloid particles be sufficiently small with respect to the coating thickness. If the particle size is too large to be incorporated into the resin matrix of the coating, most of the colloid particles will protrude from the surface of the coating, and in a humid atmosphere, there will be a long term This is because chromic acid gradually dissolves while maintaining the dissolution equilibrium, and the chromic acid contained in the coating almost completely dissolves out of the coating. Also, when the coating is subjected to stress, if large particles are present in the coating, exfoliation occurs at the colloid particle / resin interface, which significantly reduces the coatability of the coating. Therefore, if the colloid particles are too large, it is impossible to maintain the steel sheet performance such as the corrosion resistance of the flat plate and the processed portion and the chromium elution property over a long period of time.
- the size of the colloid particles be sufficiently small with respect to the thickness of the coating film and that the colloid particles be incorporated into the matrix resin.
- the coating thickness under the environment where the treated steel sheet of the present invention is used is
- the particle size of the colloid particles in this case depends on the film thickness, but the average particle size is preferably 0.3 ⁇ m or less, and more preferably 0.15 ⁇ m or less.
- the matrix resin suitably used in the present invention is capable of stably dispersing colloid particles in a treatment solution.
- FIG. 1 is a schematic diagram showing a state in which chromium-containing colloid particles are coated with a block copolymer resin or a telechelic resin. This figure
- FIG. 2 is a schematic diagram showing a state in which the chromium-containing colloid particles are covered with the core seal type resin.
- the spherical core-shell resin is composed of a core phase 3 and a seal phase 4 covering the surface thereof.
- the shell phase 4 may cover the surface of the core phase 3 entirely or partially, and may have a structure to which fine particles adhere as shown in the figure.
- the matrix resin having such a resin structure is based on a skeleton that ensures stable dispersion of colloid by the steric protection effect of resin adsorption and has stable characteristics even in the state of the film. This is because they have the properties of rear, ion permeability, paint adhesion, fingerprint resistance, adhesion to metal surfaces, and addition.
- the core-shell resin is composed of a spherical core phase 3 and a shell phase 4 covering the surface thereof.
- the resin composition is selected from vinyl compounds and olefin compounds. These are copolymer resins having as a monomer one or a mixture of two or more of them, and are produced by various polymerization methods of solution, bulk, interface, and emulsion.
- a polymer of one or a mixture of two or more selected from olefin-based monomers and olefin-based monomers is used as the core phase and has high affinity with water and metal surfaces.
- Ma's An emulsion resin having a polymer as a shell phase.
- Is a functional group or backbone has an affinity with the chromate colloids surface, if generally colloids particle surface potential is positive, - C00H, - S0 3 H , - P (0) (0H) 2 or other functional groups, or when the potential is negative, such as --NH 2, --NHR, etc., or alcoholic --0H, phenolic --OH, etc., regardless of the colloid surface potential.
- Examples include a skeleton of a hydrophobic alkyl group.
- alcoholic — 0H phenolic — 0H, -C00H, -SOsH, -P (0) (0H) 2 , -NH 2 , —NHR and other functional groups.
- the hydrophobic main skeleton is not particularly limited as long as it is typically a vinyl-based or olefin-based skeleton that does not contain a hydrophilic group.
- the above-described colloid precipitation reaction can be performed in a nonionic emulsion or latex, whereby more fine and stable colloid particles can be obtained.
- additives, colloid stabilizers, passivation film forming aids, polymer dispersants, etc. are added to increase the adhesion of the post-treated film to the steel sheet. Mix the resin.
- a nonionic emery resin or latex can be used as the resin to be mixed first.
- the resin structure is one or more selected from vinyl monomers and olefin monomers that do not solvate with water and do not interact with metal cations. From a polymer of the mixture of Dispersant used to stabilize this emulsion resin or latex Nonionic type and protective colloid are preferred. The reason why these resins are used is that the resin is exposed to an environment in which metal cations coexist at a high concentration during the preparation, and the resin takes a cross-linked structure and gels due to the metal cation. This is to prevent it.
- the performance of a steel sheet can be improved.
- a polymer dispersant In order to ensure the stable dispersibility of the core, use the organic surface adsorption and steric hindrance of the organic substance, and add a functional group with high affinity to the metal surface to the outer layer to apply the metal to the metal layer during coating.
- a tilting machine that concentrates the corrosion resistance function on the metal surface It is now possible to obtain functional resin-based chemical conversion coatings.
- This polymer dispersant is adsorbed on the surface of the colloid particles, acts as an anchor, has a length sufficient to stabilize the colloid particles due to steric hindrance, and has a hydratable polymer chain.
- the hydratable polymer chain contains a polar group that has high adhesion to the metal surface and enables preferential deposition on the metal surface. It is.
- the polymer dispersant is composed of a polymer of a hydrophobic vinyl monomer and a polymer of a hydratable (hydrophilic) vinyl monomer, and the hydrophobic vinyl monomer is styrene.
- One or more selected from len, dimethyl styrene, vinyl toluene, chlorostyrene, alkyl (meth) atalinoleate, and the like can be used. Further, a polar group-containing monomer can be used as the hydratable (hydrophilic) vinyl monomer.
- pro tons donating groups such as -OH, or their salts, esters and - title 2, - NHR, in A proton-accepting group, or a quaternary ammonium group having an ionic bond, or an amphoteric polar group in which a proton-accepting group and a donating group are mixed, and these polar groups are used alone or in a complex form.
- a seeded vinyl compound is used.
- the polymer can be produced by using one or more of these monomers.
- these functional groups may be introduced after the polymerization.
- styrene sulfonic acid examples include styrene sulfonic acid, styrene olenoic acid, vinyl phenol, (meth) acrylic acid, vinyl alcohol, and acetic acid.
- the length of the polymer of these resins is too long, the affinity with the aqueous medium becomes too strong, so that the dispersant is pulled by the aqueous medium and desorbed from the surface of the mouth, and If it becomes longer, it bends on the surface of the colloid particles, compressing the three-dimensional barrier, and entangled with other polymer chains coated with colloid particles, causing re-aggregation of the colloid particles.
- it is necessary to adjust the number average molecular weight of the resin to 1,000 to 50,000, preferably 2,000 to 40,000.
- FIG. 4 is a schematic diagram of the dispersion stabilization of chromate colloid by a polymer dispersant.
- a polymer dispersant was used in order to ensure the dispersibility of the resin-containing chromium colloid and the processing solution. It forms a functionally graded resin film on which the anticorrosion function is selectively concentrated.
- the polymer dispersant 15 is composed of a hydratable resin skeleton 18 having an affinity group 16 for the metal surface and an orientation group 17 for the colloid surface. Form a protective barrier around.
- FIG. 5 is a conceptual cross-sectional view of the chemical conversion coating. As shown in FIG.
- the addition amount is from 1: 0.02 to 1: 2 in terms of matrix resin: passivation film forming aid (weight ratio).
- matrix resin passivation film forming aid (weight ratio).
- the concentration of the matrix resin is preferably adjusted to 100 g Z 1 or more, preferably 150 g / 1 or more, from the viewpoint of film formation stability.
- hexavalent chromium in these treatment solutions can be left in the solution during the process of preparing the chromate-containing colloid, depending on the type of resin used.
- concentration of the hexavalent chromium can be adjusted.
- hexavalent chromium has strong oxidizing power, depending on the type of resin selected, the easily oxidizable part (such as the reducing hydroxyl group of alkyl alcohols and alcohol amides) in the structure is oxidized. As a result, chemical and physical cross-linking between resin molecular chains occurs. This cross-linking is not preferable because it induces gelation in the treatment solution, and it is presumed that the solid film has a dense structure, which is expected to improve the barrier function, thereby improving the film properties. Since the degree of oxidation varies depending on the type of resin, it is not possible to specify clearly, but it is preferable to adjust the ratio of resin Z hexavalent chromium to 500/1 to 100/1.
- the surface-treated steel sheet of the present invention can be obtained by applying the resin-based chemical conversion treatment liquid prepared as described above to a metal plate and drying it.
- the coating surface temperature is heated to about 50 ° C. or more, so that the resin is brought into close contact with the steel sheet and the resins are fused with each other to increase the coating strength.
- the solvent used is tetrahydrofuran (THF)
- the catalyst is S-BuLi
- monomer charge ratio weight ratio
- Reaction temperature 40-60 ° C, monomer charge / solvent 2/100
- the reaction solvent was poured into petroleum ether and methanol, and the block copolymer was added. After purifying and dissolving the obtained copolymer in a polar solvent, it was poured into water, and the mixture was repeatedly stirred and finely divided by vigorous stirring to remove water and to remove the solvent, and to adjust the polymer solid concentration.
- Styrene (10 parts by weight): Hydroxyl acrylate (10 parts by weight): Butyl methacrylate (15 parts by weight): Butyl acrylate (65 parts by weight)
- Styrene (20 parts by weight): Methyl methacrylate (20 parts by weight): Petrimethyl acrylate (10 parts by weight): Butyl acrylate (30 parts by weight) Methyl methacrylate Acid (6 parts by weight): Hydroxyl acrylate (8 parts by weight): Hydroxyl methacrylate (6 parts by weight) was used to obtain a core resin.
- the surface of the treated coating obtained by applying and drying this on a zinc-plated steel plate (Silver Zinc, manufactured by Nippon Steel Corporation) was observed by SEM, and the number average particle size of the chromate-containing colloid was found to be 0.3 m or less. Incidentally, it gelled in a day was mixed the resin in an aqueous solution of Cr0 3 so that 200 g Z l.
- the surface of the treated coating obtained by applying and drying this on a zinc-plated steel plate was observed by SEM, and the number average particle size of the chromium-containing colloid was measured. The diameter was less than 0.2 m.
- This aqueous solution of chromic acid was added to the above-mentioned latex / metal salt mixture with stirring to obtain a colloid solution of zinc chromate, or strontium chromate, and potassium chromate.
- the mixture was refluxed at 60 ° C for 15 hours, and the reaction solution was dropped into excess deionized water. Washing was repeated until the temperature reached 6, and vacuum drying was performed at 75 ° C for 80 hours.
- This resin is dissolved in pyridine and acetyl
- the sulfite was sulfonated as a sulfonating agent. 5 parts by weight of styrene were polymerized in tetrahydrofuran (THF) solvent (200 parts by weight) using S-Bu catalyst as an anion polymerization (60 ° C x 3 hr). -(Si Ph) was added and the force was ringed.
- styrene Five parts by weight of styrene are subjected to anion polymerization (60 ° C x 3 hr) using s-BuLi as a catalyst in tetrahydrofuran (THF) solvent (200 parts by weight). P- (S-SCA) was added and coupled.
- Table 1 shows the evaluation of the stability of the chromate-containing colloid containing the three types of polymer dispersants (A) to (C) described above, by adjusting the molecular weight by varying the reaction time.
- the dispersant according to the present invention was able to secure long-term stability without impairing the dispersion stability of chromate-containing colloid.
- Table 2 shows the dispersion stability in water-based thermosetting paints. Usually, when a thermosetting water-based paint is used, it contains a reactive monomer, a catalyst, a curing agent and the like, and therefore has a strong chemical interaction with the pigment surface and impairs the dispersibility.
- the molecular weight was adjusted for each of the three types of polymer dispersants (A) to (C) by varying the reaction time, and the effects on the stability of the chromate-containing colloid shown in Table 1 were evaluated under the following conditions. went.
- Paint A Paint for fingerprint-resistant steel sheet (acrylic)
- Paint B Paint for lubricating steel sheet (urethane-modified epoxy, acrylic
- chromium salts pigment used in Comparative Example a commercially available di Nkuiero one (ZnCr0 4), scan collected by filtration Nchiumuku b Mae preparative (SrCr0 4), BaCr reagent 0 4, average particle by mechanical grinding, respectively It was used to a diameter of about 0.3 m or less, mixed at the mixing ratio shown in Table 3, stirred with a handy mixer for 3 minutes, and then applied to a zinc-coated steel plate (silver zinc, manufactured by Nippon Steel Corporation). A film was formed by using a cloth and drying, and a comprehensive performance test was performed.
- the deposition state of chromate colloid on the metal surface shown in Table 3 was analyzed as a coating cross-sectional dispersion state analysis, and each coating was subjected to spherical polishing XPS to measure the profile of Cr in the coating thickness direction.
- X-ray photoelectron spectrometer Park 5500 manufactured by Perkin Elmer
- X-ray source Mg-K (1253.6 eV) 15 kV-27 mA
- analysis area 800 m ⁇
- vacuum in the analysis room 2 x 10 — 8 Pa and Cr2p were measured over 100 scans in the scanning range of 567 to 597 eV.
- ⁇ stable for more than 1 month
- ⁇ stable for 15 to 1 month
- ⁇ stable for 3 to 5 days
- the surface-treated steel sheet having the resin-based chemical conversion coating film of the present invention can be used for cold-rolled steel sheets, Zn-plated steel sheets, and Zn-based alloy-plated steel sheets used for automobiles, home appliances, and building materials.
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US08/776,811 US5897948A (en) | 1995-06-15 | 1996-06-17 | Surface-treated steel sheet with resin-based chemical treatment coating and process for its production |
EP96917707A EP0776992A1 (en) | 1995-06-15 | 1996-06-17 | Surface-treated steel sheet having chemical conversion resin coating and process for producing the same |
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JP14919995 | 1995-06-15 | ||
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JP12418396 | 1996-05-20 | ||
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WO2022149596A1 (ja) | 2021-01-06 | 2022-07-14 | 日本製鉄株式会社 | 表面処理鋼板 |
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- 1996-06-17 US US08/776,811 patent/US5897948A/en not_active Expired - Fee Related
- 1996-06-17 EP EP96917707A patent/EP0776992A1/en not_active Withdrawn
- 1996-06-17 WO PCT/JP1996/001663 patent/WO1997000337A1/ja not_active Application Discontinuation
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6677053B2 (en) | 2000-04-21 | 2004-01-13 | Nkk Corporation | Surface-treated steel sheet and production method therefor |
KR101372758B1 (ko) * | 2012-12-26 | 2014-03-10 | 주식회사 포스코 | 자기치유제, 상기 자기치유제를 포함하는 코팅 조성물 및 이 코팅 조성물 피막을 갖는 강판 |
WO2022149596A1 (ja) | 2021-01-06 | 2022-07-14 | 日本製鉄株式会社 | 表面処理鋼板 |
KR20230113604A (ko) | 2021-01-06 | 2023-07-31 | 닛폰세이테츠 가부시키가이샤 | 표면 처리 강판 |
WO2022186380A1 (ja) | 2021-03-04 | 2022-09-09 | 日本製鉄株式会社 | 表面処理鋼材 |
KR20230141860A (ko) | 2021-03-04 | 2023-10-10 | 닛폰세이테츠 가부시키가이샤 | 표면 처리 강재 |
US12104254B2 (en) | 2021-03-04 | 2024-10-01 | Nippon Steel Corporation | Surface-treated steel |
Also Published As
Publication number | Publication date |
---|---|
EP0776992A1 (en) | 1997-06-04 |
US5897948A (en) | 1999-04-27 |
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