EP0857227B1 - Kurzzeit-heissverdichtung anodisierter metalloberflächen - Google Patents
Kurzzeit-heissverdichtung anodisierter metalloberflächen Download PDFInfo
- Publication number
- EP0857227B1 EP0857227B1 EP96934587A EP96934587A EP0857227B1 EP 0857227 B1 EP0857227 B1 EP 0857227B1 EP 96934587 A EP96934587 A EP 96934587A EP 96934587 A EP96934587 A EP 96934587A EP 0857227 B1 EP0857227 B1 EP 0857227B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- acids
- aqueous solution
- diphosphonic acid
- diphosphonic
- 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
- 229910052751 metal Inorganic materials 0.000 title claims description 21
- 239000002184 metal Substances 0.000 title claims description 21
- 239000000243 solution Substances 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 28
- 150000007513 acids Chemical class 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 150000003009 phosphonic acids Chemical class 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 150000001735 carboxylic acids Chemical class 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 8
- 150000007524 organic acids Chemical class 0.000 claims description 8
- 235000005985 organic acids Nutrition 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- WLWKIJKUDWYINL-UHFFFAOYSA-N cyclohexane-1,1,2,2,3,3-hexacarboxylic acid Chemical compound OC(=O)C1(C(O)=O)CCCC(C(O)=O)(C(O)=O)C1(C(O)=O)C(O)=O WLWKIJKUDWYINL-UHFFFAOYSA-N 0.000 claims description 6
- -1 methylene phosphonic acid Chemical compound 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- COKIOUWMXONTKQ-UHFFFAOYSA-N 1-phosphonopropane-1,2,3-tricarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)P(O)(O)=O COKIOUWMXONTKQ-UHFFFAOYSA-N 0.000 claims description 4
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 4
- 239000003945 anionic surfactant Substances 0.000 claims description 4
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 claims description 4
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 claims description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 claims description 4
- ZCOMURCDMLBWOR-UHFFFAOYSA-N (hydroxy-phenyl-phosphonomethyl)phosphonic acid Chemical compound OP(=O)(O)C(P(O)(O)=O)(O)C1=CC=CC=C1 ZCOMURCDMLBWOR-UHFFFAOYSA-N 0.000 claims description 3
- KMDMOMDSEVTJTI-UHFFFAOYSA-N 2-phosphonobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)P(O)(O)=O KMDMOMDSEVTJTI-UHFFFAOYSA-N 0.000 claims description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
- LDTZSTJLVYBEKB-UHFFFAOYSA-N butedronic acid Chemical compound OC(=O)CC(C(O)=O)C(P(O)(O)=O)P(O)(O)=O LDTZSTJLVYBEKB-UHFFFAOYSA-N 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- GPCTYPSWRBUGFH-UHFFFAOYSA-N (1-amino-1-phosphonoethyl)phosphonic acid Chemical compound OP(=O)(O)C(N)(C)P(O)(O)=O GPCTYPSWRBUGFH-UHFFFAOYSA-N 0.000 claims description 2
- RUPZRJCPTQGQRU-UHFFFAOYSA-N (1-hydroxy-1-phosphonobutyl)phosphonic acid Chemical compound CCCC(O)(P(O)(O)=O)P(O)(O)=O RUPZRJCPTQGQRU-UHFFFAOYSA-N 0.000 claims description 2
- XHAZMZWXAOBLQG-UHFFFAOYSA-N (1-hydroxy-1-phosphonopropyl)phosphonic acid Chemical compound CCC(O)(P(O)(O)=O)P(O)(O)=O XHAZMZWXAOBLQG-UHFFFAOYSA-N 0.000 claims description 2
- IDYCJOKDHJLCGO-UHFFFAOYSA-N (amino-phenyl-phosphonomethyl)phosphonic acid Chemical compound OP(=O)(O)C(P(O)(O)=O)(N)C1=CC=CC=C1 IDYCJOKDHJLCGO-UHFFFAOYSA-N 0.000 claims description 2
- GPXCJKUXBIGASD-UHFFFAOYSA-N 1-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(C(O)=O)C(C(O)=O)P(O)(O)=O GPXCJKUXBIGASD-UHFFFAOYSA-N 0.000 claims description 2
- QLGZQPQQPUMNBD-UHFFFAOYSA-N [1-(butylamino)-1-phosphonoethyl]phosphonic acid Chemical compound CCCCNC(C)(P(O)(O)=O)P(O)(O)=O QLGZQPQQPUMNBD-UHFFFAOYSA-N 0.000 claims description 2
- SCOXZKRXKMRCCY-UHFFFAOYSA-N [1-(dimethylamino)-1-phosphonoethyl]phosphonic acid Chemical compound CN(C)C(C)(P(O)(O)=O)P(O)(O)=O SCOXZKRXKMRCCY-UHFFFAOYSA-N 0.000 claims description 2
- SBRJRPNSSOSLRR-UHFFFAOYSA-N [1-phosphono-1-(propylamino)ethyl]phosphonic acid Chemical compound CCCNC(C)(P(O)(O)=O)P(O)(O)=O SBRJRPNSSOSLRR-UHFFFAOYSA-N 0.000 claims description 2
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 claims description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- DKPHLYCEFBDQKM-UHFFFAOYSA-H hexapotassium;1-phosphonato-n,n-bis(phosphonatomethyl)methanamine Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[O-]P([O-])(=O)CN(CP([O-])([O-])=O)CP([O-])([O-])=O DKPHLYCEFBDQKM-UHFFFAOYSA-H 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 229940116254 phosphonic acid Drugs 0.000 claims 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 36
- 238000007906 compression Methods 0.000 description 27
- 238000007743 anodising Methods 0.000 description 21
- 230000006835 compression Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 238000005056 compaction Methods 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 229940069446 magnesium acetate Drugs 0.000 description 6
- 235000011285 magnesium acetate Nutrition 0.000 description 6
- 239000011654 magnesium acetate Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000002048 anodisation reaction Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000010186 staining Methods 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 239000010407 anodic oxide Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 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 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- YFVGRULMIQXYNE-UHFFFAOYSA-M lithium;dodecyl sulfate Chemical compound [Li+].CCCCCCCCCCCCOS([O-])(=O)=O YFVGRULMIQXYNE-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000002815 nickel Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- LBPHBRVNBKGYTP-UHFFFAOYSA-N (1-hydroxy-1-phosphonohexyl)phosphonic acid Chemical compound CCCCCC(O)(P(O)(O)=O)P(O)(O)=O LBPHBRVNBKGYTP-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- LNCYVEDUVHKVDU-UHFFFAOYSA-N 2-[1,2,2,3,3-pentakis(carboxymethyl)cyclohexyl]acetic acid Chemical compound C1(C(C(CCC1)(CC(=O)O)CC(=O)O)(CC(=O)O)CC(=O)O)(CC(=O)O)CC(=O)O LNCYVEDUVHKVDU-UHFFFAOYSA-N 0.000 description 1
- SDGNNLQZAPXALR-UHFFFAOYSA-N 3-sulfophthalic acid Chemical compound OC(=O)C1=CC=CC(S(O)(=O)=O)=C1C(O)=O SDGNNLQZAPXALR-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- 229940120146 EDTMP Drugs 0.000 description 1
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- DJEQZVQFEPKLOY-UHFFFAOYSA-N N,N-dimethylbutylamine Chemical compound CCCCN(C)C DJEQZVQFEPKLOY-UHFFFAOYSA-N 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-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
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- USNWAMPROKAEIT-UHFFFAOYSA-N [Na].C(C=C)(=O)O Chemical compound [Na].C(C=C)(=O)O USNWAMPROKAEIT-UHFFFAOYSA-N 0.000 description 1
- AEDPOTDCAAOODK-UHFFFAOYSA-N [butylamino(phosphono)methyl]phosphonic acid Chemical compound CCCCNC(P(O)(O)=O)P(O)(O)=O AEDPOTDCAAOODK-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- NLTSCOZQKALPGZ-UHFFFAOYSA-N acetic acid;dihydrate Chemical compound O.O.CC(O)=O NLTSCOZQKALPGZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229940090960 diethylenetriamine pentamethylene phosphonic acid Drugs 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- DUYCTCQXNHFCSJ-UHFFFAOYSA-N dtpmp Chemical compound OP(=O)(O)CN(CP(O)(O)=O)CCN(CP(O)(=O)O)CCN(CP(O)(O)=O)CP(O)(O)=O DUYCTCQXNHFCSJ-UHFFFAOYSA-N 0.000 description 1
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- DBJLJFTWODWSOF-UHFFFAOYSA-L nickel(ii) fluoride Chemical compound F[Ni]F DBJLJFTWODWSOF-UHFFFAOYSA-L 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000563 toxic property Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229910052726 zirconium 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
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
Definitions
- the invention is in the field of producing anti-corrosion and / or decorative coatings on metals by anodic oxidation. It affects one improved process for compacting the electrochemically produced porous Anodizing layers to further improve their properties.
- the electrochemical anodic oxidation of metals in suitable electrolytes is a widely used process for the formation of anti-corrosion and / or decorative coatings on suitable metals. These procedures are for example in "Ullmann's Encyclopedia of Industrial Chemistry", 5th Edition, Vol. 9 (1987), pp. 174 - 176 briefly characterized. Accordingly, titanium, magnesium and Aluminum and their alloys can be anodized, the anodization of Aluminum and its alloys have the greatest technical importance.
- the Electrolytically produced anodizing layers protect the aluminum surfaces the influences of weather and other corrosive media. Furthermore Anodizing layers applied to obtain a harder surface and thus to achieve increased wear resistance of the aluminum.
- the aluminum is anodized in an acidic electrolyte, with sulfuric acid being the most common.
- Other suitable electrolytes are phosphoric acid, oxalic acid and chromic acid.
- the Properties of the anodizing layers can be determined by the choice of the electrolyte, its temperature as well as the current density and the anodizing time within wide limits vary.
- the anodization is usually carried out with direct current or with a AC-superimposed DC.
- the fresh anodizing layers can be immersed in a suitable solution Dye or by an AC treatment in a metal salt containing are preferably subsequently colored in a tin-containing electrolyte.
- colored anodizing layers can be used obtained by so-called color anodization processes, for which the Anodization in solutions of organic acids, such as sulfophthalic acid in particular or sulfanilic acid, optionally in a mixture with sulfuric acid, used.
- DE-A-38 20 650 certain can also be Phosphonic acids, for example 1-phosphonopropane-1,2,3-tricarboxylic acid use.
- EP-A-122 129 is the use of further Phosphonic acids known.
- DE-C-22 11 553 describes a method for Compacting anodic oxide layers on aluminum and aluminum alloys in aqueous ones containing phosphonic acids or their salts and calcium ions Solutions, the molar ratio of calcium ions to phosphonic acid is set at least 2: 1. A higher ratio of calcium ions is preferred to phosphonic acids from about 5: 1 to about 500: 1.
- Phosphonic acids are suitable, for example: 1-hydroxypropane, 1-hydroxybutane, 1-hydroxypentane, 1-hydroxyhexane-1,1-diphosphonic acid and 1-hydroxy-1-phenylmethane-1,1-diphosphonic acid and preferably 1-hydroxyethane-1,1-diphosphonic acid, 1-aminoethane, 1-amino-1-phenylmethane, Dimethylaminoethane, dimethylaminobutane, diethylaminomethane, propyl and Butylaminomethane-1,1-diphosphonic acid, aminotrimethylenephosphonic acid, ethylenediaminetetramethylenephosphonic acid, Diethylenetriaminepentamethylenephosphonic acid, Aminotri- (2-propylene-2-phosphonic acid), phosphonosuccinic acid, 1-phosphono-1-methyl succinic acid and 2-phosphonobutane-1,2,4-tricarboxylic acid. According to the Embodiments of this patent are conventional Hot
- nickel salts in particular fluorides, some of which are used in practice (EP-A-171 799), Nitrosylpentacyanoferrate, complex fluorides of titanium and zirconium as well Chromates or chromic acid, optionally in conjunction with other additives.
- Nitrosylpentacyanoferrate complex fluorides of titanium and zirconium as well Chromates or chromic acid, optionally in conjunction with other additives.
- the hydrophobization of the Oxide layer using long-chain carboxylic acids or waxes recommended as well as the Treatment with acrylamides to be polymerized in the pore space. Closer Information on this can be found in the above-mentioned literature reference by S. Wernick et al. be removed. With the exception of consolidation, these suggestions could do not enforce with nickel compounds in practice.
- Nickel fluoride Because of the toxic properties of nickel salts, this will result however, complex measures for wastewater treatment are required.
- a short-term hot compression process in which the anodized metal parts are immersed in a lithium-containing aqueous solution.
- the lithium concentration is preferably in the range from 0.01 to 50 g / l and especially in the range of 0.01 to 5 g / l.
- the Compression solution also contains a sealant inhibitor. This is preferably present and in a concentration between 0.1 and 10 g / l preferably an aromatic disulfonate.
- US-A-5 478 415 which to the same priority as the above cited US-A-5 411 607 may be one Brief hot compression with an aqueous solution, which is at least 0.01 g / l Contains lithium ions and from 0.1 to 10 g / l of a sealing deposit inhibitor.
- the sealant inhibitor is preferably an aromatic disulfonate.
- the contact of the treatment solutions with the anodized metals can by spraying the solutions onto the metal surfaces or preferably by immersing the metal parts in the solutions.
- Anodizing layer thickness of about 20 microns are the required treatment times only in the range of 20 to 40 minutes. According to the invention, it is therefore preferred that the anodized metal for a period between 1 and 2 minutes per Micrometer anodizing layer thickness with the aqueous solution defined above in Touches.
- the temperature of the treatment solution is preferably in the Range between 90 ° C and the boiling point and especially in the range from 94 to 98 ° C, for example at 96 ° C.
- the pH of the aqueous solution is preferably in the range 5.5 to 7, especially in the range 5.5 to 6.5.
- the adjustment of the pH value can if necessary with ammonia or acetic acid. With ammonium acetate as a buffer it can be kept in the required area.
- Lithium and magnesium are particularly suitable as metal ions of group a).
- the metals can be in the form of their concentration range water-soluble salts are used, for example as acetate, lactate, sulfate, Oxalate and / or nitrate. Acetates are particularly suitable.
- the organic acids of group b) selected from saturated or unsaturated or aromatic carbocyclic Six-ring carboxylic acids with 3 to 6 carboxyl groups.
- Preferred examples such acids are trimesic acid, trimellitic acid, pyromellitic acid, mellitic acid and the particularly preferred cyclohexane hexacarboxylic acid.
- the total amount such carboxylic acids are preferably in the range from 0.0005 to 0.2 g / l, in particular from 0.001 to 0.1 g / l, and particularly preferably in the range of 0.001 up to 0.05 g / l.
- the preferred cyclohexane hexacarboxylic acid exists in the form different stereoisomers. As known from DE-A-26 50 989 those cyclohexane hexacarboxylic acids preferred, the 5 cis and 1 trans or which carry 4 cis and 2 trans carboxyl groups.
- Group b) preferably contains 0.1 to 5 g / l of the aqueous treatment solution in particular 0.2 to 2.5 g / l of metal ions of group a).
- the organic acids are of the group b) selected from the phosphonic acids: 1-phosphonopropane-1,2,3-tricarboxylic acid, 1,1-diphosphonopropane-2,3-dicarboxylic acid, 1-hydroxypropane-1,1-diphosphonic acid, 1-hydroxybutane-1,1-diphosphonic acid, 1-hydroxy-1-phenylmethane-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid, 1-aminoethane-1,1-diphosphonic acid, 1-amino-1-phenylmethane-1,1-diphosphonic acid, Dimethylaminoethane-1,1-diphosphonic acid, propylaminoethane-1,1-diphosphonic acid, Butylaminoethane-1,1-diphosphonic acid, aminotri (methylenephosphonic acid), ethylenediaminotetra (methylenephosphonic acid), Diethylenetriamineopenta (
- 1-phosphonopropane-1,2,3-tricarboxylic acid 1,1-diphosphonopropane-2,3-dicarboxylic acid and the aminotri (methylenephosphonic acid) is particularly preferred.
- Polyphosphinocarboxylic acids as organic acids of group b) in particular preferably suitable as copolymers of acrylic acid and hypophosphites can be understood.
- An example of this is Belclene ® 500 from FMC Corporation, UK.
- the above-mentioned phosphonic acids and polyphosphinocarboxylic acids are preferred as acids of group b) in an amount of 0.003 to 0.1 and used in particular in an amount of 0.003 to 0.05 g / l.
- acids of group b) acids contain the aqueous treatment solution preferably 0.0001 to 0.01 g / l and in particular a maximum of 0.005 g / l Group a) metal ions.
- the aqueous compression solution additionally contains approximately as an optional component 0.001 to 0.05 g / l surfactants, selected from the group of the cationic, non-ionic or anionic surfactants.
- cationic surfactants for example, quaternary ammonium salts.
- anionic surfactants such as alkyl or alkylaryl sulfates or -sulfonates used.
- linear alkyl sulfates such as for example lauryl sulfate, is preferred.
- the anionic surfactants are called Alkali metal salts are used, with lithium salts being particularly preferred.
- nonionic surfactants can use fatty amine or fatty alcohol ethoxylates become. Fatty alcohol ethoxylates with 4-8 ethylene oxide units are preferred.
- concentration of the surfactants is preferably in the range from 0.002 to 0.02 g / l.
- the compression bath suitable for the compression process according to the invention can in principle by dissolving the components in - preferably fully desalinated - Water in the required concentration range can be produced on site. However, one is preferably used to prepare the compression baths aqueous concentrate that already contains all the necessary components of the Compression bath in the right proportions and from which one can Dilute with water by a factor between 10 and 1000 receives the ready-to-use solution. If necessary, the pH value adjusted to the range according to the invention with ammonia or with acetic acid become.
- the invention accordingly also includes an aqueous concentrate for preparation the aqueous solution for use in the short-term hot compression process according to the invention, taking the concentrate by diluting it with water a factor between 10 and 1000 the ready-to-use aqueous Solution results.
- compacted anodizing layers can be produced in their Layer properties are not inferior to those conventionally produced.
- test parameters for the layer quality are in particular the removal of acid in Chromic acid, the apparent conductance and the color drop test are important. This Quality indicators of the layers are checked according to standard test procedures that are given in the example section.
- the compression method according to the invention is preferably for anodized Aluminum or anodized aluminum alloys used. However, it can also on the anodizing layers of other anodizable metals, such as, for example Use titanium and magnesium or their alloys. It is for both undyed anodizing layers can be used as well for those after conventional methods such as integral staining, one Adsorptive staining using organic dyes, a reactive one Coloring with the formation of inorganic color pigments, an electrochemical Coloring using metal salts, especially tin salts, or interference staining. With adsorptively colored anodizing layers The inventive method has the further advantage that the shorter compaction time is possible with conventional hot compaction Bleeding of the dye can be reduced.
- Al 99.5 aluminum sheets were conventionally anodized (Direct current / sulfuric acid, one hour, layer thickness 20 ⁇ m) and if necessary colored electrochemically or with organic dipping colors. Then the Sheets for times between 30 and 60 minutes in the invention Compaction solutions or comparative solutions dipped according to the tables.
- the Solutions had a temperature of 96 ° C.
- Following the treatment according to Tables were the plates immersed in boiling demineralized water for one minute and then dried. After that, the quality of compaction with checked the usual quality tests described below. Their Results are also shown in the tables. They show that with the The inventive method after only 30 minutes of compression results can be obtained, which experience has shown with a conventional Hot compression bath only after an hour. In contrast, they are Compaction results after half an hour of treatment with comparison solutions insufficient quality.
- the apparent conductance Y 20 was determined in accordance with the German standard DIN 50949 using an Anotest YD 8.1 measuring device from Fischer.
- the measuring system consists of two electrodes, one of which is conductively connected to the base material of the sample.
- the second electrode is immersed in an electrolyte cell that can be placed on the layer to be examined.
- This cell is designed as a rubber ring with an inner diameter of 13 mm and a thickness of approximately 5 mm, the ring surface of which is self-adhesive.
- the measuring area is 1.33 cm 2 .
- a potassium sulfate solution (35 g / l) in deionized water is used as the electrolyte.
- the apparent conductance readable on the measuring device is converted according to the specifications of DIN 50949 to a measuring temperature of 25 ° C and to a layer thickness of 20 ⁇ m.
- the values obtained, which should preferably be in the range between approximately 10 and approximately 20 ⁇ S, are entered in the tables.
- the stained test area is marked by Rub off using a mild powder detergent from loosely adhering Dye exempted. After drying the surface becomes a relative Reflection measurement made by the measuring head of a light reflection measuring device (Micro Color from Dr. Lange) once on an undyed part of the Surface and second is placed on the stained measuring surface.
- the Residual reflection in% is obtained by taking the quotient from the measured value of the colored area divided by the measured value of the uncolored area with a hundred multiplied. Residual reflection values between 95 and 100% are good evidence Compaction quality, while values below 95% are considered unacceptable. The higher the values of the residual reflection, the higher the compression quality.
- the found values are entered in the tables.
- the acid removal was measured based on ISO 3210.
- the test plate is weighed to the nearest 0.1 mg and then immersed for 15 minutes at 38 ° C in an acid solution containing 35 ml of 85% phosphoric acid and 20 g of chromium (VI) oxide per liter.
- the sample is rinsed with deionized water and dried in a drying cabinet at 60 ° C. for 15 minutes.
- the sample is then weighed again.
- Comparison 1 had fingerprints. The rest For example, the appearance of the layers was good.
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
- Vergl. 1:
- 25 g/l Polyphosphinocarbonsäure-Lösung (45 gew.-%ig in Wasser)
(Acrylsäure-Natriumhypophosphit-Copolymer, "Belclene ® 500", FMC Corporation, Großbritannien)
5 g/l Lithiumlaurylsulfat
("Texapon ® LLS", Henkel KGaA, Deutschland) - Beisp. 1:
- wie Vergl. 1, zusätzlich:
1 g/l Lithiumacetat - Beisp. 2:
- wie Vergl. 1, zusätzlich:
1 g/l Magnesiumacetat - Vergl. 2:
- 25 g/l Belclene ® 500
- Beisp. 3:
- wie Vergl. 2, zusätzlich:
0,5 g/l Magnesiumacetat - Beisp. 4:
- wie Vergl. 2, zusätzlich:
0,2 g/l Magnesiumacetat - Vergl. 3:
- 25 g/l Beldene ® 500
2,5 g/l Lithiumlaurylsulfat - Beisp. 5:
- wie Vergl. 3, zusätzlich:
1 g/l Magnesiumacetat - Beisp. 6:
- wie Vergl. 3, zusätzlich:
0,5 g/l Magnesiumacetat - Beisp. 7:
- wie Vergl. 3, zusätzlich:
25 g/l Magnesiumacetat
| Prüfergebnisse | |||
| Lösung aus | Scheinleitwert Y20 (µS) | Restreflexion (%) | Säureabtrag (mg/dm2) |
| Vergl. 1 | 22 | 98 | 23,9 |
| Beisp. 1 | 21 | 100 | 13,1 |
| Beisp. 2 | 22 | 100 | 14,5 |
| Vergl. 2 | 27 | 98 | 24,1 |
| Beisp. 3 | 21 | 100 | 13,4 |
| Beisp. 4 | 18 | 100 | 11,8 |
| Vergl. 3 | 19 | 98 | 23,5 |
| Beisp. 5 | 19 | 100 | 13,2 |
| Beisp. 6 | 17 | 100 | 12,5 |
| Beisp. 7 | 18 | 100 | 13,0 |
- Vergl. 4:
- 13 ppm Cyclohexanhexacarbonsäure
- Vergl. 5:
- wie Vergl. 4
- Beisp. 8:
- wie Vergl. 4, zusätzlich
340 ppm Li (als 5 g/l Li-Acetat Dihydrat) - Beisp. 9:
- wie Beisp. 8
- Beisp. 10:
- wie Vergl. 4, zusätzlich
850 ppm Mg (als 5 g/l Mg-Acetat Tetrahydrat) - Beisp. 11:
- wie Beisp. 10
| Prüfergebnisse und Behandlungszeiten | ||||
| Lösung gemäß | Zeit (Min.) | Scheinleitwert Y20 (µS) | Restreflexion (%) | Säureabtrag (mg/dm2) |
| Vergl. 4 | 30 | 28 | 93 | 18 |
| Vergl. 5 | 60 | 14 | 97 | 12 |
| Beisp. 8 | 30 | 20 | 97,5 | 11 |
| Beisp. 9 | 40 | 14 | 97,5 | 11 |
| Beisp. 10 | 30 | 16 | 97,5 | 11 |
| Beisp. 11 | 40 | 12 | 99 | 10 |
Claims (14)
- Verfahren zum Verdichten anodisierter Metalloberflächen, dadurch gekennzeichnet, daß man das anodisierte Metall für eine Zeitdauer zwischen 0,5 und 2 Minuten pro Mikrometer Anodisierschichtdicke mit einer wäßrigen Lösung in Berührung bringt, die eine Temperatur zwischen 75 °C und dem Siedepunkt und einen pH-Wert im Bereich von 5,5 bis 8,5 aufweist und dieenthält, wobei die Lösung eine größere Menge der Metallionen der Gruppe a) enthält, als zur vollständigen Neutralisation der Säuren der Gruppe b) erforderlich ist.a) insgesamt 0,0001 bis 5 g/l eines oder mehrerer Alkalimetall- und/oder Erdalkalimetallionen undb) insgesamt 0,0005 bis 0,5 g/l einer oder mehrerer organischer Säuren, ausgewählt aus cyclischen Polycarbonsäuren mit 3 bis 6 Carboxylgruppen und/oder Phosphonsäuren und/oder Polyphosphinocarbonsäuren,
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die wäßrige Lösung eine Temperatur im Bereich von 94 bis 98 °C aufweist.
- Verfahren nach einem oder beiden der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die wäßrige Lösung einen pH-Wert im Bereich von 5,5 bis 7 aufweist.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Metallionen der Gruppe a) ausgewählt sind aus Li und Mg.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die organischen Säuren der Gruppe b) ausgewählt sind aus gesättigten oder ungesättigten oder aromatischen carbocyclischen Sechsring-Carbonsäuren mit 3 bis 6 Carboxylgruppen.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Carbonsäuren ausgewählt sind aus Trimesinsäure, Trimellitsäure, Pyromellitsäure, Mellitsäure und Cyclohexanhexacarbonsäure.
- Verfahren nach einem oder beiden der Ansprüche 5 und 6, dadurch gekennzeichnet, daß die wäßrige Lösung die Carbonsäuren in einer Gesamtmenge von 0,001 bis 0,05 g/l enthält.
- Verfahren nach einem oder mehreren der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die wäßrige Lösung insgesamt 0,2 bis 2,5 g/l Metallionen der Gruppe a) enthält.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die organischen Säuren der Gruppe b) ausgewählt sind aus 1-Phosphonopropan-1,2,3-tricarbonsäure, 1,1-Diphosphonopropan-2,3-dicarbonsäure, 1-Hydroxypropan-1,1-diphosphonsäure, 1-Hydroxybutan-1,1-diphosphonsäure, 1-Hydroxy 1-phenylmethan-1,1-diphosphonsäure, 1-Hydroxyethan-1,1-diphosphonsäure, 1-Aminoethan-1,1-diphosphonsäure, 1-Amino-1-phenylmethan-1,1-diphosphonsäure, Dimethylaminoethan-1,1-diphosphonsäure, Propylaminoethan-1,1-diphosphonsäure, Butylaminoethan1,1-diphosphonsäure, Aminotri(methylenphosphonsäure), Ethylendiaminotetra(methylenphosphonsäure), Diethylentriaminopenta(methylenphosphonsäure), Hexamethylendiaminotetra(methylenphosphonsäure), n-Propyliminobis(methylenphosphonsäure), Aminotri(2-propylen-2-phosphonsäure), Phosphonobernsteinsäure, 1-Phosphono-1 methylbernsteinsäure, 1-Phosphonobutan-1,2,4-tricarbonsäure und Polyphosphinocarbonsäuren.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die wäßrige Lösung die Säuren der Gruppe b) in einer Menge von 0,003 bis 0,05 g/l enthält.
- Verfahren nach einem oder beiden der Ansprüch 9 und 10, dadurch gekennzeichnet, daß die wäßrige Lösung insgesamt bis zu 0,005 g/l Metallionen der Gruppe a) enthält.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die wäßrige Lösung zusätzlich 0,001 bis 0,05 g/l nichtionische oder anionische Tenside enthält.
- Verfahren zum Verdichten anodisierter Metalloberflächen, dadurch gekennzeichnet, daß die Metalloberflächen nach der Behandlung gemäß einem oder mehreren der Ansprüche 1 bis 12 für einen Zeitraum zwischen 30 und 120 Sekunden in vollentsalztes Wasser getaucht werden, das eine Temperatur oberhalb von 90 °C aufweist.
- Wäßriges Konzentrat zur Zubereitung der wäßrigen Lösung zur Verwendung in dem Verfahren nach einem oder mehreren der Ansprüche 1 bis 13, das durch Verdünnen mit Wasser um einen Faktor zwischen 10 und 1000 die anwendungsfertige wäßrige Lösung ergibt.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19538777A DE19538777A1 (de) | 1995-10-18 | 1995-10-18 | Kurzzeit-Heißverdichtung anodisierter Metalloberflächen |
| DE19538777 | 1995-10-18 | ||
| DE19621819 | 1996-05-31 | ||
| DE1996121819 DE19621819A1 (de) | 1996-05-31 | 1996-05-31 | Kurzzeit-Heißverdichtung anodisierter Metalloberflächen |
| PCT/EP1996/004373 WO1997014828A1 (de) | 1995-10-18 | 1996-10-09 | Kurzzeit-heissverdichtung anodisierter metalloberflächen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0857227A1 EP0857227A1 (de) | 1998-08-12 |
| EP0857227B1 true EP0857227B1 (de) | 2000-01-26 |
Family
ID=26019578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96934587A Expired - Lifetime EP0857227B1 (de) | 1995-10-18 | 1996-10-09 | Kurzzeit-heissverdichtung anodisierter metalloberflächen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5935656A (de) |
| EP (1) | EP0857227B1 (de) |
| AR (1) | AR004035A1 (de) |
| AU (1) | AU7287896A (de) |
| DE (1) | DE59604329D1 (de) |
| ES (1) | ES2142619T3 (de) |
| WO (1) | WO1997014828A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19804124A1 (de) * | 1998-02-03 | 1999-08-05 | Bayer Ag | Phosphorhaltige Verbindungen auf Basis der 1-Hydroxypropan-1,3-diphosphonsäure |
| US6379523B1 (en) * | 1998-07-07 | 2002-04-30 | Izumi Techno Inc. | Method of treating surface of aluminum blank |
| DE10161478A1 (de) * | 2001-12-14 | 2003-06-26 | Henkel Kgaa | Verfahren zum Verdichten von anodisierten Metalloberflächen im mittleren Temperaturbereich |
| USD790918S1 (en) | 2015-07-27 | 2017-07-04 | Whirlpool Corporation | Food processing attachment |
| USD790917S1 (en) | 2015-07-27 | 2017-07-04 | Whirlpool Corporation | Food processing attachment |
| CN105040067B (zh) * | 2015-09-09 | 2017-09-29 | 佛山市海化表面处理科技有限公司 | 环保型无镍无氟中温封闭剂及封闭方法 |
| ITUB20160646A1 (it) * | 2016-02-10 | 2017-08-10 | Italtecno S R L | Metodo per il fissaggio dell'ossido anodico. |
| US10138566B2 (en) * | 2017-01-13 | 2018-11-27 | Macdermid Acumen, Inc. | Sealing anodized aluminum using a low-temperature nickel-free process |
| US10480093B2 (en) | 2017-05-12 | 2019-11-19 | United Technologies Corporation | Sealing process for an anodized aluminum-alloy surface |
| USD867051S1 (en) | 2017-10-04 | 2019-11-19 | Whirlpool Corporation | Grinder attachment for a stand mixer |
| USD885822S1 (en) | 2018-12-14 | 2020-06-02 | Whirlpool Corporation | Food grinder |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792852A (fr) * | 1971-12-17 | 1973-06-15 | Henkel & Cie Gmbh | Procede de traitement de surfaces d'aluminium par oxydation suivie d'une densification |
| DE2211553C3 (de) * | 1972-03-10 | 1978-04-20 | Henkel Kgaa, 4000 Duesseldorf | Verfahren zum Verdichten von anodischen Oxidschichten auf Aluminium und Aluminiumlegierungen |
| DE2650989C2 (de) * | 1976-11-08 | 1985-01-24 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur Behandlung von Aluminiumoberflächen durch Oxidation mit einer nachfolgenden Verdichtung |
| US4202706A (en) * | 1979-03-12 | 1980-05-13 | Minnesota Mining And Manufacturing Company | Corrosion resistance treatment of aluminum with N-alkyl-fluoroaliphaticsulfonamidophosphonic acids and salts thereof |
| US4376000A (en) * | 1980-11-28 | 1983-03-08 | Occidental Chemical Corporation | Composition for and method of after-treatment of phosphatized metal surfaces |
| GB8309571D0 (en) * | 1983-04-08 | 1983-05-11 | Albright & Wilson | Accelerated sealing of anodised aluminium |
| US4647347A (en) * | 1984-08-16 | 1987-03-03 | Amchen Products, Inc. | Process and sealant compositions for sealing anodized aluminum |
| DE3820650A1 (de) * | 1988-06-18 | 1989-12-21 | Henkel Kgaa | Verfahren zum verdichten von anodisierten oxidschichten auf aluminium und aluminiumlegierungen |
| US5411607A (en) * | 1993-11-10 | 1995-05-02 | Novamax Technologies Holdings, Inc. | Process and composition for sealing anodized aluminum surfaces |
| CN1125271A (zh) * | 1994-12-23 | 1996-06-26 | 华东冶金学院 | 铝和铝合金低温快速封闭剂及封闭工艺 |
-
1996
- 1996-10-09 ES ES96934587T patent/ES2142619T3/es not_active Expired - Lifetime
- 1996-10-09 DE DE59604329T patent/DE59604329D1/de not_active Expired - Fee Related
- 1996-10-09 EP EP96934587A patent/EP0857227B1/de not_active Expired - Lifetime
- 1996-10-09 AU AU72878/96A patent/AU7287896A/en not_active Abandoned
- 1996-10-09 US US09/051,856 patent/US5935656A/en not_active Expired - Fee Related
- 1996-10-09 WO PCT/EP1996/004373 patent/WO1997014828A1/de not_active Ceased
- 1996-10-18 AR ARP960104796A patent/AR004035A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5935656A (en) | 1999-08-10 |
| ES2142619T3 (es) | 2000-04-16 |
| AR004035A1 (es) | 1998-09-30 |
| DE59604329D1 (de) | 2000-03-02 |
| EP0857227A1 (de) | 1998-08-12 |
| AU7287896A (en) | 1997-05-07 |
| WO1997014828A1 (de) | 1997-04-24 |
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