EP0760871B1 - Verfahren zur beschichtung phosphatierter metallsubstrate - Google Patents
Verfahren zur beschichtung phosphatierter metallsubstrate Download PDFInfo
- Publication number
- EP0760871B1 EP0760871B1 EP95920868A EP95920868A EP0760871B1 EP 0760871 B1 EP0760871 B1 EP 0760871B1 EP 95920868 A EP95920868 A EP 95920868A EP 95920868 A EP95920868 A EP 95920868A EP 0760871 B1 EP0760871 B1 EP 0760871B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- organic
- coating
- metal substrates
- phosphating
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 35
- 239000000758 substrate Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 239000007864 aqueous solution Substances 0.000 claims abstract description 23
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 9
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 16
- 229910052797 bismuth Inorganic materials 0.000 claims description 15
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 6
- 150000001621 bismuth Chemical class 0.000 claims description 5
- 239000004922 lacquer Substances 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 235000005985 organic acids Nutrition 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008199 coating composition Substances 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 2
- 229910052718 tin Inorganic materials 0.000 abstract description 2
- 239000011135 tin Substances 0.000 abstract description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052787 antimony Inorganic materials 0.000 abstract 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 19
- 239000011347 resin Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 12
- 239000000049 pigment Substances 0.000 description 12
- -1 salts inorganic acids Chemical class 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 10
- 238000002161 passivation Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 238000004070 electrodeposition Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
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- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000004971 Cross linker Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
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- 238000003756 stirring Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
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- 125000000129 anionic group Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000013065 commercial product Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
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- 238000007598 dipping method Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 125000003010 ionic group Chemical group 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 229920006243 acrylic copolymer Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000004675 formic acid derivatives Chemical class 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910001453 nickel ion Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
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- 238000007056 transamidation reaction Methods 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- LHENQXAPVKABON-UHFFFAOYSA-N 1-methoxypropan-1-ol Chemical compound CCC(O)OC LHENQXAPVKABON-UHFFFAOYSA-N 0.000 description 1
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 1
- 125000005274 4-hydroxybenzoic acid group Chemical class 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- MRNZSTMRDWRNNR-UHFFFAOYSA-N bis(hexamethylene)triamine Chemical compound NCCCCCCNCCCCCCN MRNZSTMRDWRNNR-UHFFFAOYSA-N 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- REKWPXFKNZERAA-UHFFFAOYSA-K bismuth;2-carboxyphenolate Chemical compound [Bi+3].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O REKWPXFKNZERAA-UHFFFAOYSA-K 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012936 correction and preventive action Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- IZRTVYMPRPTBAI-UHFFFAOYSA-K dibenzoyloxybismuthanyl benzoate Chemical compound [Bi+3].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 IZRTVYMPRPTBAI-UHFFFAOYSA-K 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
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- 150000002118 epoxides Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 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 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 230000002452 interceptive effect Effects 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
- 150000003893 lactate salts Chemical class 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese 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
- 150000002736 metal compounds Chemical class 0.000 description 1
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- 125000005535 neodecanoate group Chemical group 0.000 description 1
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- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 125000005474 octanoate group Chemical group 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium group Chemical group [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
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- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 229910001432 tin ion Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
Definitions
- the invention relates to a method for coating phosphated Metal substrates with organic coatings, in particular Electrocoat coatings.
- Pretreatment of metallic substrates e.g. made of aluminium, but especially from galvanized or non-galvanized steel, for one Painting, in particular for an electrophoretically to be applied Dip painting, exists when good corrosion protection is desired and good substrate adhesion by electrophoretic deposition generated coating layer should be achieved from a phosphating and a passivating rinse. Then on this surface the electrocoat is applied and baked.
- JP-A-58 130 282 describes the treatment of phosphated surfaces with aqueous, Fe, Zn, Ni, Mo, Co, W, Mg, Mn or Si solutions described before coating the surfaces receive.
- the SU-A-914652 describes the increase in wear resistance and the electrical conductivity of castings by treating a porous Phosphate coating with aqueous solutions of the formates and / or oxalates of Ag, Cu, Pb and / or Bi and then heating the treated surfaces to the Decomposition temperature of the salts.
- the object of the present invention is a coating method to provide for phosphated metal substrates, which the Corrosion protection increases beyond the level reached.
- the Coating method should preferably be composed with simple and ecologically and health-friendly after-treatment materials be feasible. It should also allow a high one Generate level of corrosion protection if the previous one Phosphating is based on a concept for ecological reasons, which leads to only moderate corrosion protection. In particular, should the coating process allow chrome, nickel and nitrite free work.
- this object can be achieved by a method for coating phosphated metal substrates with one or more organic coatings, which is characterized in that the phosphated metal substrates are free of nickel after phosphating in a phosphating solution and before application of the first organic coating can be treated with an aqueous solution which contains 5 to 10,000 ppm of dissolved bismuth in the form of inorganic and / or organic compounds, and deposits the element in a total amount of 5 to 100 mg / m 2 .
- the phosphated metal substrates are preferred throughout or part of the Treatment time switched additionally as cathode.
- metal parts can be used as metallic substrates, as they are common in the automotive industry, for example.
- metallic substrates can be used as metallic substrates, as they are common in the automotive industry, for example.
- components made of aluminum, magnesium or their alloys, iron and especially steel, e.g. non-galvanized or with pure zinc, zinc-nickel alloy or zinc-iron alloy galvanized.
- the different Substrates can coexist on a workpiece (Mixed construction).
- the metallic substrates are phosphated in the usual way, i.e. using phosphating solutions known per se. It can for example, such as those used by Horst Gehmecker in JOT, No. 5, 1992 pages 42 to 46. It is e.g. around Contains zinc, manganese, iron and / or nickel Phosphating materials.
- Nickel ions proved to be particularly advantageous with regard to Generation of a high level of corrosion protection.
- the Phosphating layers can be sprayed or immersed be applied.
- the solutions become on the surface of the Metal substrate deposited a thin layer of phosphate crystals. This should be as dense and fine-grained as possible.
- After phosphating the metal substrate is rinsed and optionally dried before it according to the invention before application of the organic coating with a aqueous solution containing 5 to 10,000 ppm of bismuth dissolved in Contains form of inorganic and / or organic compounds treated becomes.
- the treatment with the aqueous solution can, for example, in Dipping method with an exposure time of, for example, between 1 and 120 seconds.
- Dipping method with an exposure time of, for example, between 1 and 120 seconds.
- the immersion process prefers.
- the dipping process is particularly preferably carried out in such a way that aqueous solutions which contain 5 to 10,000 ppm of dissolved bismuth in the form of inorganic and / or organic compounds are used, the phosphated metal substrate being additionally connected as a cathode in a DC circuit during the treatment.
- the treatment vessel can serve as an anode, and a counter electrode can be inserted.
- This procedure also leads to the removal of interfering anions from the phosphate layer.
- a DC voltage in the range from 3 to 100 V, preferably 5 to 50 V, is preferably used, current densities of 0.1 to 10 A / m 2 being used, the current flow being able to exist during the entire immersion period or the current only flows during part of the immersion period.
- the current strength can be kept constant during the current flow or the current strength is varied.
- aqueous solutions that can be used in the process according to the invention those containing 5 to 10,000 ppm, preferably above 10 and below 6000 ppm, dissolved bismuth in the form of inorganic and / or organic compounds included, calculated as an element.
- the inorganic and / or organic compounds of the above Elements bismuth mentioned are readily water-soluble or they have one sufficient water solubility to maintain as a source a concentration of 5 to 10,000 ppm of the above Elements bismuth can be used in the aqueous solutions.
- those used in the aqueous solutions Compounds as a finely divided colloidal solution or dispersion and have a depot effect for the element bismuth.
- Inorganic or organic compounds are inorganic or organic complex compounds of bismuth.
- An example of a chelating ligand is acetylacetone called.
- Preferred inorganic or however, organic compounds are the corresponding salts inorganic or preferably organic acids.
- salts inorganic acids are chlorides, sulfates and nitrates.
- organic Acids serve, for example, mono- or polycarboxylic acids, e.g.
- the salts of monocarboxylic acids such as, for example, are preferred Benzoates, formates, acetates, propionates, octoates, neodecanoates.
- aqueous media which are 5 to 10000 ppm, preferably between 10 and 6000 ppm, of dissolved bismuth included, most preferred.
- Bismuth is preferred in form a salt of a mono- or polycarboxylic acid.
- suitable organic carboxylic acids of which in the invention Bismuth salts that can be used are aromatic, araliphatic and aliphatic mono- or dicarboxylic acids.
- Prefers are the bismuth salts of organic monocarboxylic acids, especially with more than two carbon atoms, such as bismuth benzoate, propionate, -octoate, -neodecanoate.
- the bismuth salts of are particularly preferred "Hydroxycarboxylic acids. Examples are bismuth salicylate, -4-hydroxybenzoate, lactate, dimethylol propionate.
- aqueous solutions contain customary auxiliaries, e.g. Surfactants.
- the phosphated metal substrates During the treatment of the phosphated metal substrates with the aqueous solution, the latter is depleted of the corresponding element by incorporating an appropriate amount of the same on the surface of the phosphated metal substrate. This does not result in galvanic deposition of the corresponding element or elements on the phosphate layer in the form of a closed coating, but rather the method according to the invention is carried out in such a way that the element is present in a total amount of 5 to 100 mg / m 2 on the surface of the phosphated one Deposit metal substrate.
- the phosphate layer is doped with the element.
- EDX energy-dispersive X-ray analysis
- the composition of the aqueous solution is preferably continuous monitored analytically, for example using appropriate ion selective electrodes. According to the measured consumption Element in the aqueous solution must be replenished, for example by adding an appropriate aqueous concentrate. If you work with salt solutions of the element, see above the counter anion accumulates as a free acid in the consumption of Elements corresponding way. By dragging out when diving However, the substrates from the solution will accumulate free acid withdrawn from the system in sufficient quantities and it sets in Balance one. This dragging effect occurs in particular Wear when the phosphated metal substrates are concerned three-dimensional and thus creating objects.
- the immersion bath with the aqueous solution can also with a Electrodialysis circuit to be coupled, which serves the purpose to remove enriching free acid from the immersion bath.
- the substrates can be rinsed with solution, e.g. with deionized water, and dried before using according to the invention can be provided with an organic coating.
- the Organic coatings can be made from aqueous or non-aqueous Coating agents, preferably stoving coating agents, are applied, for example by spraying, dipping or rolling. To be favoured the organic coatings by electrocoating (ETL), especially preferably applied by cataphoretic dip painting (KTL).
- ETL electrocoating
- KTL cataphoretic dip painting
- electrodeposition paints in the process according to the invention per se known electrodeposition lacquers which can be deposited on the anode or are preferred cathodic electrodeposition coatings can be used. she are not subject to any limitation. You can use the usual additives and Contain catalysts.
- Electrocoating paints are aqueous coating compositions with a solids content of for example 10-20% by weight.
- the solids content consists of usual binders that are ionic or in ionic groups transferable substituents and those capable of chemical crosslinking Wear groups, and optionally pigments and / or fillers and other additives.
- the ionic groups can be anionic or in groups convertible to anionic groups, e.g. -COOH groups or cationic or convertible basic groups, e.g. Amino, ammonium, e.g. quaternary ammonium, phosphonium and / or Be sulfonium groups. Binders with basic are preferred Groups.
- Nitrogen-containing basic groups are particularly preferred. These groups can be quaternized or they can be combined with a usual neutralizing agents, e.g. an organic monocarboxylic acid, such as. Lactic acid, formic acid, acetic acid, as the expert common, converted into ionic groups.
- a neutralizing agents e.g. an organic monocarboxylic acid, such as. Lactic acid, formic acid, acetic acid, as the expert common, converted into ionic groups.
- anionic groups containing anodic electrodeposition paint binders and paints are described in DE-A-28 24 418. These are, for example, binders based on polyesters, epoxy resin esters, (meth) acrylic copolymers, maleate oils or polybutadiene oils with a weight average molecular weight of, for example, 300-10000 and an acid number of 35-300 mg KOH / g.
- the binders carry -COOH, -SO 3 H and / or -PO 3 H 2 groups. After neutralization of at least some of the acidic groups, the resins can be converted into the water phase.
- the lacquers can also contain customary crosslinking agents, for example triazine resins, crosslinking agents which contain groups capable of transesterification and / or transamidation, or blocked polyisocyanates.
- cathodic electrocoat materials are preferred cationic or basic binders.
- Such basic resins are for example primary, secondary and / or tertiary amino groups resins containing, the amine numbers e.g. at 20 to 250 mg KOH / g lie.
- the weight average molecular weight (Mw) of the base resins is preferably from 300 to 10,000.
- Examples of such base resins are Amino (meth) acrylic copolymer resins, amino epoxy resins, amino epoxy resins with terminal double bonds, amino epoxy resins with primary OH groups, Aminopolyurethane resins, amino group-containing polybutadiene resins or modified epoxy resin-carbon dioxide-amine reaction products.
- This Base resins can be self-crosslinking or they are known Crosslinkers used in the mixture.
- crosslinkers are Aminoplast resins, blocked polyisocyanates, crosslinkers with terminal Double bonds, polyepoxide compounds or crosslinkers contain groups capable of transesterification and / or transamidation.
- Examples of cathodic dip lacquer (KTL) baths Base resins and crosslinking agents which can be used according to the invention, are in EP-A-0 082 291, EP-A-0 234 395, EP-A-0 209 857, EP-A-0 227 975, EP-A-0 178 531, EP-A-0 333 327, EP-A-0 310 971, EP-A-0 456 270, US 3,922,253, EP-A-0 261 385, EP-A-0 245 786, DE-33 24 211, EP-A-0 414 199, EP-A-0 476 514. These resins can be used alone or in Mixture can be used.
- ETL coating agent pigments In addition to the base resins and any crosslinking agents present can the electrocoat (ETL) coating agent pigments, fillers and / or conventional paint additives. They come as pigments usual inorganic and / or organic pigments in question. Examples are carbon black, titanium dioxide, iron oxide, kaolin, talc or Silicon dioxide. It is also possible to use common anti-corrosion pigments to use. Examples include zinc phosphate, lead silicate or organic corrosion inhibitors. The type and amount of pigments depends on the intended use of the coating agent. Should be clear Coatings are obtained, so no or only transparent Pigments such as micronized titanium dioxide or silicon dioxide used. If opaque coatings are to be applied, so are preferably contain coloring pigments in the electrocoating bath.
- the pigments can be dispersed into pigment pastes, e.g. under Use of known paste resins. Such resins are known to the person skilled in the art common. Examples of paste resins that can be used in KTL baths are in EP-A-0 183 025 and EP-A-0 469 497.
- ETL coating agents include wetting agents, neutralizing agents, leveling agents, Catalysts, anti-foaming agents and conventional ones in coating agents solvents used.
- the coating is applied Branding networked. If it is a primer, you can Subsequent layers are applied.
- a coating is obtained with the process according to the invention excellent adhesion to the substrate and excellent Corrosion protection, which is the level of previously known coatings from phosphating, usual passivation and organic coating, exceed.
- the method according to the invention avoids the use of Nickel, chrome and nitrite.
- the phosphating agent can work free of environmental and metal compounds that are hazardous to health.
- the invention allows the after-treatment of the phosphate layer with simple to carry out aqueous solutions.
- Example 1 To 223 parts of the paste resin according to EP-A-0 469 497 Al Example 1 (55%) 15 parts of acetic acid (50%) are 30 parts of a commercial wetting agent (50%) and 374 parts given deionized water.
- Example 3 4.5 parts are added to 815.5 parts of the dispersion from Example 2 Formic acid (50%) and 1760 parts of deionized water. Under 420 parts of pigment paste according to Example 3 are added with thorough stirring.
- a non-galvanized steel sheet (ST 1405) Bonder R 26/60 / 0C (for testing purposes, a so-called “Bonder” sheet sold by Chemetall with a pretreatment of nickel-containing trication phosphating and chromic acid passivation) is coated with the KTL from Example 4 in a 20 ⁇ m dry layer thickness and Baked for 10 min at 175 ° C (object temperature).
- a commercially available filler is then sprayed on in a 35 ⁇ m dry layer and baked for 15 minutes at 165 ° C (object temperature).
- a single-coat topcoat suitable for automotive serial painting is applied by spraying in a thickness of 40 ⁇ m and baked for 30 minutes at 130 ° C (object temperature).
- Example 5a is repeated, however, using a steel sheet (ST 1405) Bonder R 2640 / W / OC ("bonder" sheet sold for experimental purposes by Chemetall with a pretreatment consisting of nickel-free trication phosphating without passivation).
- Bonder R 2640 / W / OC (“bonder” sheet sold for experimental purposes by Chemetall with a pretreatment consisting of nickel-free trication phosphating without passivation).
- Example 5c (example according to the invention)
- Example 5b is repeated with the difference that before the KTL is applied, the sheet is immersed for 10 seconds at room temperature in an aqueous solution of the bismuth salt from Example 1 with a bismuth content of 1000 ppm and then rinsed with deionized water and dried. During the immersion, the sheet is switched as a cathode at a voltage of 10 volts and a current density of 1.5 A / m 2 .
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Paints Or Removers (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
Description
| Beispiel | Korrosionsschutzprüfung |
| 5a Vergleichsversuch | 1,2 - 1,8 mm |
| 5b Vergleichsversuch | 3,7 - 4,5 mm |
| 5c erfindungsgemäß | 1,1 - 1,4 mm |
Claims (7)
- Verfahren zur Beschichtung von Metallsubstraten mit einem oder mehreren organischen Überzügen, wobei man die Metallsubstrate in einer Phosphatierungslösung phosphatiert, die frei von Nickel ist und die so phosphatierten Metallsubstrate nach der Phosphatierung und vor Aufbringung des ersten organischen Überzugs mit einer wäßrigen Lösung behandelt, dadurch gekennzeichnet, daß man mit einer wäßrigen Lösung behandelt, die 5 bis 10000 ppm gelöstes Wismut in Form anorganischer und/oder organischer Verbindungen enthält und das Element in einer Gesamtmenge von 5 bis 100 mg/m2 abscheidet.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die phosphatierten Metallsubstrate während der gesamten Behandlung oder eines Teils der Behandlungsdauer zusätzlich als Kathode geschaltet werden.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die wäßrige Lösung ein oder mehrere Salze organischer und/oder anorganischer Säuren von Wismut enthält.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß man als organische Säuren Mono- oder Polycarbonsäuren verwendet.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die wäßrige Lösung Wismutsalze von Hydroxycarbonsäuren enthält.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die organischen Überzüge unter Verwendung eines Einbrenn-Überzugsmittels aufgetragen werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als organischer Überzug ein Elektrotauchlack durch Elektrotauchlackierung aufgetragen wird.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4418491 | 1994-05-27 | ||
| DE4418491 | 1994-05-27 | ||
| PCT/EP1995/001957 WO1995033083A1 (de) | 1994-05-27 | 1995-05-23 | Verfahren zur beschichtung phosphatierter metallsubstrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0760871A1 EP0760871A1 (de) | 1997-03-12 |
| EP0760871B1 true EP0760871B1 (de) | 1998-05-06 |
Family
ID=6519086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95920868A Expired - Lifetime EP0760871B1 (de) | 1994-05-27 | 1995-05-23 | Verfahren zur beschichtung phosphatierter metallsubstrate |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5773090A (de) |
| EP (1) | EP0760871B1 (de) |
| JP (1) | JPH10501027A (de) |
| KR (1) | KR970703447A (de) |
| AT (1) | ATE165874T1 (de) |
| BR (1) | BR9507776A (de) |
| CA (1) | CA2190945A1 (de) |
| DE (1) | DE59502118D1 (de) |
| MX (1) | MX9605901A (de) |
| WO (1) | WO1995033083A1 (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19511573A1 (de) * | 1995-03-29 | 1996-10-02 | Henkel Kgaa | Verfahren zur Phosphatierung mit metallhaltiger Nachspülung |
| DE19606017A1 (de) * | 1996-02-19 | 1997-08-21 | Henkel Kgaa | Zinkphosphatierung mit geringen Gehalten an Kupfer und Mangan |
| US5972189A (en) * | 1998-05-29 | 1999-10-26 | Ppg Industries Ohio, Inc. | Electrodepositable coating composition containing bismuth diorganodithiocarbamates and method of electrodeposition |
| US6156823A (en) * | 1998-12-04 | 2000-12-05 | E. I. Du Pont De Nemours And Company | Bismuth oxide catalyst for cathodic electrocoating compositions |
| DE10001222A1 (de) | 2000-01-14 | 2001-08-09 | Basf Coatings Ag | Beschichtung, enthaltend kolloidal verteiltes metallisches Bismut |
| DE10010758A1 (de) * | 2000-03-04 | 2001-09-06 | Henkel Kgaa | Korrosionsschutzverfahren für Metalloberflächen |
| DE10144531B4 (de) * | 2001-09-11 | 2006-01-19 | Henkel Kgaa | UV-härtende anti-fingerprint Beschichtungen, Verfahren zum Beschichten und Verwendung eines lösmittelfreien Überzugsmittels |
| ATE259005T1 (de) * | 2001-10-11 | 2004-02-15 | Franz Oberflaechentechnik Gmbh | Erzeugung eines metallisch leitfähigen oberflächenbereichs auf oxidierten al-mg- legierungen |
| US7829340B2 (en) * | 2007-08-06 | 2010-11-09 | Oft Labs, Llc | Oral fluid assays for the detection of heavy metal exposure |
| US20090169903A1 (en) * | 2007-12-27 | 2009-07-02 | Kansai Paint Co., Ltd. | Process for producing metal substrate with multilayer film, metal substrate with multilayer film obtained by the process, and coated article |
| US8192801B2 (en) * | 2008-04-25 | 2012-06-05 | GM Global Technology Operations LLC | Self-deposited coatings on magnesium alloys |
| CN104790014B (zh) * | 2008-05-29 | 2017-08-25 | 日本帕卡濑精株式会社 | 带有铋被膜的金属材料及其制造方法、在其中所使用的表面处理液以及阳离子电沉积涂覆金属材料及其制造方法 |
| US8187439B2 (en) * | 2009-08-05 | 2012-05-29 | GM Global Technology Operations LLC | Electrocoating process for mixed-metal automotive bodies-in-white |
| WO2015195661A1 (en) * | 2014-06-16 | 2015-12-23 | Latitude 18, Inc | Inorganic-organic phosphate ceramics and coatings |
| US20160229386A1 (en) * | 2015-02-06 | 2016-08-11 | GM Global Technology Operations LLC | Transmission assembly with electrical noise reduction and method of making and using the same |
| CN107735511B (zh) * | 2015-04-07 | 2022-05-10 | 凯密特尔有限责任公司 | 无镍磷化金属表面的方法 |
| KR102414361B1 (ko) | 2017-07-27 | 2022-06-30 | 도쿄 오카 고교 가부시키가이샤 | 방향족 아민 화합물, 에폭시 화합물용 경화제, 경화성 조성물, 경화물, 경화물의 제조 방법, 및 방향족 아민 화합물의 제조 방법 |
| CN116288302B (zh) * | 2023-02-15 | 2025-04-11 | 中国民航大学 | 一种Hureaulite磷酸锰转化膜的制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4964530A (de) * | 1972-07-10 | 1974-06-22 | ||
| US3895970A (en) * | 1973-06-11 | 1975-07-22 | Pennwalt Corp | Sealing rinse for phosphate coatings of metal |
| SU914652A1 (ru) * | 1980-04-07 | 1982-03-23 | Inst Mekhaniki Metallopolimern | Способ дополнительной обработки пористых фосфатных покрытий1 |
| JPS58130282A (ja) * | 1982-01-29 | 1983-08-03 | Nippon Steel Corp | 塗装用金属の前処理方法 |
| AU572825B2 (en) * | 1983-03-03 | 1988-05-19 | Fmc Corporation (Uk) Limited | Inhibition of corrosion and scale formation of metal surfaces |
| DE3400339A1 (de) * | 1984-01-07 | 1985-08-29 | Gerhard Collardin GmbH, 5000 Köln | Verfahren zur nachpassivierung von phosphatierten metalloberflaechen unter verwendung von nickel- und/oder kupfer-kationen enthaltenden loesungen |
| JPS6232113A (ja) * | 1985-08-05 | 1987-02-12 | Shikoku Chem Corp | ポリエポキシ樹脂の硬化方法 |
| US4828615A (en) * | 1986-01-27 | 1989-05-09 | Chemfil Corporation | Process and composition for sealing a conversion coated surface with a solution containing vanadium |
| US4881975A (en) * | 1986-12-23 | 1989-11-21 | Albright & Wilson Limited | Products for treating surfaces |
| AT394372B (de) * | 1990-08-02 | 1992-03-25 | Vianova Kunstharz Ag | Verfahren zur herstellung von pigmentpastenharzen fuer kathodisch abscheidbare ueberzugsmittelzusammensetzungen |
| DE4041091A1 (de) * | 1990-12-21 | 1992-06-25 | Metallgesellschaft Ag | Verfahren zur nachspuelung von konversionsschichten |
| US5385655A (en) * | 1992-10-30 | 1995-01-31 | Man-Gill Chemical Company | Treatment of metal parts to provide rust-inhibiting coatings |
-
1995
- 1995-05-23 WO PCT/EP1995/001957 patent/WO1995033083A1/de not_active Ceased
- 1995-05-23 US US08/737,945 patent/US5773090A/en not_active Expired - Lifetime
- 1995-05-23 BR BR9507776A patent/BR9507776A/pt not_active Application Discontinuation
- 1995-05-23 DE DE59502118T patent/DE59502118D1/de not_active Expired - Lifetime
- 1995-05-23 JP JP8500266A patent/JPH10501027A/ja active Pending
- 1995-05-23 EP EP95920868A patent/EP0760871B1/de not_active Expired - Lifetime
- 1995-05-23 KR KR1019960706664A patent/KR970703447A/ko not_active Withdrawn
- 1995-05-23 MX MX9605901A patent/MX9605901A/es unknown
- 1995-05-23 AT AT95920868T patent/ATE165874T1/de active
- 1995-05-23 CA CA002190945A patent/CA2190945A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US5773090A (en) | 1998-06-30 |
| WO1995033083A1 (de) | 1995-12-07 |
| ATE165874T1 (de) | 1998-05-15 |
| KR970703447A (ko) | 1997-07-03 |
| CA2190945A1 (en) | 1995-12-07 |
| MX9605901A (es) | 1997-12-31 |
| BR9507776A (pt) | 1997-08-19 |
| JPH10501027A (ja) | 1998-01-27 |
| DE59502118D1 (de) | 1998-06-10 |
| EP0760871A1 (de) | 1997-03-12 |
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