JP2007100206A - 亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液 - Google Patents
亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液 Download PDFInfo
- Publication number
- JP2007100206A JP2007100206A JP2005295473A JP2005295473A JP2007100206A JP 2007100206 A JP2007100206 A JP 2007100206A JP 2005295473 A JP2005295473 A JP 2005295473A JP 2005295473 A JP2005295473 A JP 2005295473A JP 2007100206 A JP2007100206 A JP 2007100206A
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- JP
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- Prior art keywords
- zinc
- ions
- treatment solution
- treatment
- chemical conversion
- 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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 34
- 239000011701 zinc Substances 0.000 title claims abstract description 34
- 239000000126 substance Substances 0.000 title claims abstract description 31
- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 27
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 24
- 239000011651 chromium Substances 0.000 claims abstract description 24
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001430 chromium ion Inorganic materials 0.000 claims abstract description 14
- -1 iron ions Chemical class 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002738 chelating agent Substances 0.000 claims abstract description 10
- 235000019253 formic acid Nutrition 0.000 claims abstract description 10
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910001429 cobalt ion Inorganic materials 0.000 claims abstract description 5
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910001453 nickel ion Inorganic materials 0.000 claims abstract description 5
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 26
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 claims description 2
- 150000003628 tricarboxylic acids Chemical class 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 18
- 238000005260 corrosion Methods 0.000 abstract description 18
- 230000007797 corrosion Effects 0.000 abstract description 16
- 229910052759 nickel Inorganic materials 0.000 abstract description 8
- 230000007935 neutral effect Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- 238000005246 galvanizing Methods 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000007747 plating Methods 0.000 description 31
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007739 conversion coating Methods 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-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
- 150000007513 acids Chemical class 0.000 description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 229910021555 Chromium Chloride Inorganic materials 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 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 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical class [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- HSSJULAPNNGXFW-UHFFFAOYSA-N [Co].[Zn] Chemical compound [Co].[Zn] HSSJULAPNNGXFW-UHFFFAOYSA-N 0.000 description 1
- XOCUXOWLYLLJLV-UHFFFAOYSA-N [O].[S] Chemical class [O].[S] XOCUXOWLYLLJLV-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 229910000151 chromium(III) phosphate Inorganic materials 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- IKZBVTPSNGOVRJ-UHFFFAOYSA-K chromium(iii) phosphate Chemical compound [Cr+3].[O-]P([O-])([O-])=O IKZBVTPSNGOVRJ-UHFFFAOYSA-K 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000004674 formic acids Chemical class 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000011591 potassium Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/17—Orthophosphates containing zinc cations containing also organic acids
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/46—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/46—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates
- C23C22/47—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates containing also phosphates
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- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
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Abstract
【解決手段】3価クロムイオンと、3価クロムと水溶性錯体を形成することができるキレート剤と、コバルトイオン、ニッケルイオン及び鉄イオンからなる群より選ばれる1種以上の金属イオンと、水素イオン濃度緩衝剤として蟻酸又はその塩とを含有する、亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液。
【選択図】なし
Description
その中の代替化技術の一つとして3価クロムを使用した耐食性皮膜がある。例えば、特開2000−54157号公報では、3価クロムと燐とモリブデン等の金属塩を含有した化成処理を提案しているが、当社で確認試験を行った結果、満足できる黒色外観及び耐食性を再現することができなかった。更に、特開2000−509434号公報では、3価クロムと硝酸、有機酸、コバルト等の金属塩を含有した化成処理を提案されている。この方法では、3価クロム濃度が5〜100g/Lと高く高温処理のため良好な耐食性が得られる利点はあるが、安定した耐食性を得られない欠点がある。また、処理液中の3価クロム濃度が高く、有機酸も多量に使用しているため水処理が困難であり、かつ、処理後に生成するスラッヂも多量になる。このことは、大量の廃棄物を生み出し、多大な環境負荷を与えることに繋がる欠点がある。更に、亜鉛めっき浴種及びニッケル共析の違いにより化成皮膜の黒味・光沢外観が大きく異なる問題がある。また、工業的に均一な黒味・光沢外観や耐食性を得ようとすれば、処理液の高温化が不可欠であったり、pHや各組成成分濃度の許容範囲が狭いという問題がある。
また、本発明は、亜鉛又は亜鉛合金上に、前記処理溶液で化成処理して黒色の6価クロムフリー化成皮膜を形成するに際し、処理溶液の温度が10〜50℃の範囲である、化成処理方法を提供する。
さらに、本発明は、亜鉛又は亜鉛合金上に、前記処理溶液で化成処理して形成された黒色の6価クロムフリー化成皮膜を有する亜鉛又は亜鉛合金被覆金属を提供する。
上記基体は、常法により亜鉛及び亜鉛合金めっきが施される。基体上に亜鉛めっきを析出させるには、硫酸浴、ホウフッ化浴、塩化カリウム浴、塩化ナトリウム浴、塩化アンモニウム折衷浴等の酸性・中性浴、シアン浴、ジンケート浴、ピロリン酸浴等のアルカリ性浴のいずれでも良く、特に挙げるとすれば、シアン浴が好ましい。また、亜鉛合金めっきは、塩化アンモニウム浴、有機キレート浴等のアルカリ浴のいずれでもよい。
また、亜鉛合金めっきとしては、亜鉛−鉄合金めっき、ニッケル共析率5〜20%の亜鉛−ニッケル合金めっき、亜鉛−コバルト合金めっき、錫−亜鉛合金めっき等が挙げられる。好ましくは、亜鉛−ニッケル合金めっきである。基体上に析出する亜鉛又は亜鉛合金めっきの厚みは任意とすることができるが、1μm以上、好ましくは5〜25μm厚とするのがよい。
本発明では、このようにして基体上に亜鉛又は亜鉛合金めっきを析出させた後、必要な場合には水洗、または水洗後、硝酸活性処理してから、本発明の黒色の六価クロムフリー化成皮膜を形成するための処理溶液を用いて浸漬処理等を行う。
鋼板にシアン浴亜鉛めっき(ディップソール(株)製 M−900Y)を厚さ8μm施し、表1に示す処理溶液に浸漬した。
(実施例4〜5)
ネジ部品に酸性塩化浴亜鉛めっき(ディップソール(株)製 EZ−988)を厚さ8μm施し、表1に示す処理溶液に浸漬した。
(実施例6〜7)
鋼板にアルカリジンケート浴亜鉛めっき(ディップソール(株)製 NZ−98)を厚さ8μm施し、表1に示す処理溶液に浸漬した。
(実施例8)
鋼板に亜鉛ニッケルめっき(Ni含有率:14%)(ディップソール(株)製 IZ−250)を厚さ8μm施し、表1に示す処理溶液に浸漬した。
鋼板にシアン浴亜鉛めっき(ディップソール(株)製 M−900Y)を厚さ8μm施し、表2に示す処理液に浸漬した。
(比較例4〜5)
ネジ部品に酸性塩化浴亜鉛めっき(ディップソール(株)製 EZ−988)を厚さ8μm施し、表2に示す処理液に浸漬した。
(比較例6〜7)
鋼板にアルカリジンケート浴亜鉛めっき(ディップソール(株)製 NZ−98)を厚さ8μm施し、表2に示す処理液に浸漬した。
(比較例8)
鋼板に亜鉛ニッケルめっき(Ni含有率:14%)(ディップソール(株)製 IZ−250)を厚さ8μm施し、表2に示す処理液に浸漬した。
各亜鉛及び亜鉛ニッケルめっき → 水洗 → 硝酸活性化 → 水洗 →
3価クロム化成処理 → 水洗 → 仕上げ処理(※1) → 乾燥(※2)
※1:ディップソール(株)製 ZTB−118を150ml/L−50℃−10sec
※2:80℃−20min
表3に示されるように、実施例1〜8の皮膜は比較例1〜8の皮膜と比較し、黒味・光沢が均一で良好に仕上がり、耐食性も比較例1〜8の皮膜と比較し同等以上の結果が得られた。
Claims (9)
- 3価クロムイオンと、
3価クロムと水溶性錯体を形成することができるキレート剤と、
コバルトイオン、ニッケルイオン及び鉄イオンからなる群より選ばれる1種以上の金属イオンと、
水素イオン濃度緩衝剤として蟻酸又はその塩とを含有する、亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液。 - さらに、燐酸イオン、塩素イオン、硝酸イオン及び硫酸イオンからなる群より選ばれる1種以上の無機酸イオンを含有する請求項1記載の処理溶液。
- 前記キレート剤がモノカルボン酸(蟻酸を除く)、ジカルボン酸、トリカルボン酸、ヒドロキシカルボン酸、アミノカルボン酸及びそれらの塩からなる群より選ばれる1種以上である、請求項1又は2記載の処理溶液。
- 蟻酸又はその塩の含有量が0.1〜100g/Lの範囲である、請求項1〜3のいずれか1項記載の処理溶液。
- 水素イオン濃度(pH)が0.5〜4の範囲である、請求項1〜4のいずれか1項記載の処理溶液。
- 亜鉛合金が亜鉛ニッケル合金である、請求項1〜5のいずれか1項記載の処理溶液。
- 亜鉛又は亜鉛合金を請求項1〜6のいずれか1項記載の処理溶液で化成処理して、亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するに際し、処理溶液の温度が10〜50℃の範囲である、化成処理方法。
- 亜鉛又は亜鉛合金を請求項1〜6のいずれか1項記載の処理溶液で化成処理して、亜鉛又は亜鉛合金上に形成した黒色の6価クロムフリー化成皮膜を100〜250℃で10〜300分間アニール処理する化成処理方法。
- 亜鉛又は亜鉛合金上に、請求項1〜6のいずれか1項記載の処理溶液で化成処理して形成された黒色の6価クロムフリー化成皮膜を有する亜鉛又は亜鉛合金被覆金属。
Priority Applications (6)
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JP2005295473A JP5198727B2 (ja) | 2005-10-07 | 2005-10-07 | 亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液 |
EP06811410.7A EP1944390B1 (en) | 2005-10-07 | 2006-10-06 | Treatment solution for forming black hxavalent chromium-free chemical conversion coating film on zinc or zinc alloy |
PCT/JP2006/320083 WO2007043465A1 (ja) | 2005-10-07 | 2006-10-06 | 亜鉛又は亜鉛合金上に黒色の6価クロムフリー化成皮膜を形成するための処理溶液 |
KR1020087008214A KR20080042175A (ko) | 2005-10-07 | 2006-10-06 | 아연 또는 아연 합금 상에 흑색의 6가 크롬이 없는 화성피막을 형성하기 위한 처리 용액 |
CN2006800372690A CN101283117B (zh) | 2005-10-07 | 2006-10-06 | 用于在锌或锌合金上形成黑色不含6价铬的化学转化膜的处理溶液 |
US12/062,856 US8337641B2 (en) | 2005-10-07 | 2008-04-04 | Treatment solution for forming black hexavalent chromium-free chemical conversion coating film on zinc or zinc alloy |
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WO2015029837A1 (ja) | 2013-08-28 | 2015-03-05 | ディップソール株式会社 | 耐食性及び黒色外観に優れた車両用黒色締結部材 |
WO2015029836A1 (ja) | 2013-08-28 | 2015-03-05 | ディップソール株式会社 | 3価クロム化成皮膜又はクロムフリー化成皮膜のトップコート剤用摩擦調整剤及びそれを含むトップコート剤 |
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EP3045564A1 (en) | 2015-01-16 | 2016-07-20 | Nihon Hyomen Kagaku Kabushiki Kaisha | Treatment liquid for black trivalent chromium conversion coating, trivalent chromium-containing water-soluble liquid for finishing treatment, and method of treatment of metal substrate |
JP2016132784A (ja) * | 2015-01-16 | 2016-07-25 | 日本表面化学株式会社 | 三価クロム黒色化成皮膜処理液、三価クロム含有水溶性仕上げ処理液及び金属基材の処理方法 |
US10968520B2 (en) | 2015-01-16 | 2021-04-06 | Nippon Hyomen Kagaku Kabushiki Kaisha | Treatment liquid for black trivalent chromium conversion coating, trivalent chromium-containing water-soluble liquid for finishing treatment, and treatment method of metal substrate |
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JP5198727B2 (ja) | 2013-05-15 |
US20080210341A1 (en) | 2008-09-04 |
WO2007043465A1 (ja) | 2007-04-19 |
US8337641B2 (en) | 2012-12-25 |
CN101283117A (zh) | 2008-10-08 |
EP1944390B1 (en) | 2018-05-23 |
CN101283117B (zh) | 2013-01-02 |
EP1944390A1 (en) | 2008-07-16 |
EP1944390A4 (en) | 2015-11-04 |
KR20080042175A (ko) | 2008-05-14 |
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