US3900370A - Process for treating aluminum surfaces - Google Patents
Process for treating aluminum surfaces Download PDFInfo
- Publication number
- US3900370A US3900370A US335065A US33506573A US3900370A US 3900370 A US3900370 A US 3900370A US 335065 A US335065 A US 335065A US 33506573 A US33506573 A US 33506573A US 3900370 A US3900370 A US 3900370A
- Authority
- US
- United States
- Prior art keywords
- acid
- sealing
- water
- aluminum
- calcium ions
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000243 solution Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 19
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 17
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 229920001353 Dextrin Polymers 0.000 claims description 10
- 239000004375 Dextrin Substances 0.000 claims description 10
- 235000019425 dextrin Nutrition 0.000 claims description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 150000003863 ammonium salts Chemical class 0.000 claims description 7
- -1 ALKALI METAL SALTS Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 claims 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 8
- 238000009835 boiling Methods 0.000 abstract description 6
- 150000003009 phosphonic acids Chemical class 0.000 description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000010407 anodic oxide Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 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 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- KMDMOMDSEVTJTI-UHFFFAOYSA-N 2-phosphonobutanedioic acid Chemical class OC(=O)CC(C(O)=O)P(O)(O)=O KMDMOMDSEVTJTI-UHFFFAOYSA-N 0.000 description 2
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- XQRLCLUYWUNEEH-UHFFFAOYSA-N diphosphonic acid Chemical compound OP(=O)OP(O)=O XQRLCLUYWUNEEH-UHFFFAOYSA-N 0.000 description 2
- 159000000011 group IA salts Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical group 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 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
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 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 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Substances OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 125000001476 phosphono group Chemical group [H]OP(*)(=O)O[H] 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 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
- a number of processes are known for the application of anodic oxide layers to aluminum.
- the production of the oxide layers takes place using direct current in solutions of sulfuric acid (the direct currentsulfuric acid process).
- solutions of organic acids such as in particular sulfophthalic acid or sulfanilic acid or mixtures of these organic acids with sulfuric acid, are also frequently used.
- the last named processes are particularly known as the autocolor processes.
- This velvety film is the so-called sealing coating and consists of amorphous aluminum hydroxide which is not resistant to handling, so that the decorative effect of the layer is thereby impaired. Furthermore, it reduces the adhesive strength during the bonding of such aluminum parts and, due to the increased effective surface, this sealing film promotes later soiling and corrosion. For these reasons it has previously been necessary to remove the coating by hand, mechanically or chemically.
- the invention relates to a process for the treatment of surfaces of aluminum or aluminum alloys by anodic oxidation with a subsequent sealing step in aqueous solutions at elevated temperatures. In this manner, the formation of troublesome aluminum hydroxide coat ings (sealing films) on the surfaces are prevented and difficulties caused by the salts producing hardness in the water are avoided by the addition of certain phosphonic acids.
- the present invention is further directed to a development in the process for treating the surface of aluminum or an aluminum alloy which comprises subjecting said surface to an anodic oxidation and subsequently sealing with hot water or steam, the improvement which consists essentially of sealing said surface by applying an aqueous solution containing calcium ions and from 0.001 to 0.05 gm per liter of at least one acid selected from the group consisting of (A) a water-soluble phosphonic acid which forms a complex with a divalent metal, (B) a water soluble salt of said acid of (A), and (C) the mixtures thereof at a temperature ranging from 90C to the solution boiling point temperature and at a pH of from 5 to 6.5, to the anodic oxidized surface, the molar ratio of calcium ions to phosphonic acid being at least 2:1.
- A a water-soluble phosphonic acid which forms a complex with a divalent metal
- B a water soluble salt of said acid of (A)
- C the mixtures thereof at a temperature ranging from
- R represents phenyl or alkyl of l to 5 carbon atoms
- R and R each represent hydrogen or alkyl of 1 to 4 carbon atoms, R represents hydrogen, alkyl of l to 4 carbon atoms, or phenyl;
- R represents -I O I'I or a group of the formula:
- Examples of l-hydroxyalkane-l l -diphosphonic acids of formula I which may be used are lhydroxypropanel l -diphosphonic acid, 1- hydroxybutane-l 1 -diphosphonic acid, 1- hydroxypentane-l 1 -diphosphonic acid, 1-
- aminopolymethylene phosphonic acids of the formula III include aminotrimethylenephosphonic acid, ethylenediaminotetramethylenephosphonic acid, diethylenetriaminopentamethylenephosphonic acid, aminotri(2-propylene-2 phosphonic acid).
- Suitable examples of phosphono succinic acids of formula IV include phosphonosuccinic acid, l-phosphonol -methylsuccinic acid and 2- phosphonobutanel ,2,4-tricarboxylic acid.
- the solutions containing phosphonic acids or their salts are adjusted, where necessary, to a pH in the range of from 5 to 6.5. This adjustment may be effected with ammonia or acetic acid.
- Ordinary water which is neither completely deionized or softened may be used for the solutions. If completely deionized water, distilled water, or very soft water is used for making the solutions, it is necessary to add calcium ions, and, preferably, water-soluble calcium salts such as CaCl or Ca(NO are used.
- the molar ratio of calcium ions to phosphonic acids should be at least 2:1. Generally it is advantageous to use a higher molar ratio of calcium ions to phosphonic acids of 5:1 to about 500:1.
- a preferred form of the process comprises adding from 0.1 to 5 gm/liter, preferably from 0.1 to 2 gm/liter, of a dextrin additionally to the sealing solutions.
- a dextrin for this purpose, those dextrins are specially used which have a viscosity of 50 to 400 cP in 50% solution at 20C, the viscosity being measured with a Brookfield rotary viscosimeter.
- the notation of the aluminum alloys is based upon nomenclature according to DIN 1,725.
- the quality of the oxide layers was determined by the so-called Testal value according to DIN 50,949 and by the loss factor d (Anotest apparatus) according to DIN 50,920 (design). Further, the products of the aftersealing were tested by means of the Green test according to DIN 50,146.
- DIN is the abbreviation for Manual Industrie-Norm representing a series of standard German published test procedures.
- EXAMPLE 1 Aluminum sections (AlMg degreased with an aqueous alkali metal hydroxide solution and pickled in the usual manner, were anodically oxidized in direct current-sulfuric acid process (layer thickness 22p.) and were sealed at 100C for minutes with a solution of 0.003 gm/liter of l-hydroxyethane-l,l-diphosphonic acid and 0.5 gm/liter of dextrin (viscosity I00 cP, measured in 50% solution at 20C) in water of l5dH (Gerammonia prior to the sealing. The sections showed no sealing film.
- EXAMPLE 2 Aluminum sheets (AlSi degreased in the usual manner, which had been anodically oxidized in the di rect current-sulfuric acid-oxalic acid process (layer thickness 2111.), were sealed at 100C for 60 minutes with a solution of 0.007 gm/liter of l-hydroxyethanel, l -diphosphonic acid in deionized water with the addition of mgm/liter of calcium ions, which was adjusted with ammonia to pH 5.6 prior to the sealing. The sheets showed no sealing film. The Testal value of 12 and the loss factor d of 0.49 both indicated a satisfactory sealing. The same results were obtained with di-, triand tetra-alkali metal salts or ammonium salts.
- EXAMPLE 3 Aluminum sections (AlMgSi 0.5) degreased and pickled in the usual manner, which had been anodically oxidized by an autocolor process (layer thickness 18p), were sealed at 100C for 60 minutes in a solution of 0.005 gm/liter of l-hydroxyethane-l,l-diphosphonic acid, 0.005 gm/liter of aminotrimethylenephosphonic acid and l gm/liter of dextrin (viscosity 200 cP, measured in 50% solution at 20C) in water of 35 dH (German hardness), adjusted with ammonia to pH 5.9 prior to sealing. The sections showed no sealing film. A satisfactory sealing was indicated by the Testal value of 10.5 and by the loss factor d of 0.47. The degree of water hardness was not noticeably objectionable, since the water hardness causing components were precipitated in a flocculent, easily removable, settling form.
- EXAMPLE 4 Aluminum sections (AlMgSi 0.5) which had been degreased with an aqueous alkali metal solution and pickled in the usual manner, were anodically oxidized in the direct current sulfuric acid process (layer thickness 20; ⁇ . to 22,u.). The sections were then sealed at 98C to 100C for 60 minutes in a solution which contained 0.01 gm/liter of l-hydroxyethane-l, l-diphosphonic acid and 2 gm/liter of dextrin (viscosity 150 cP, measured in 50% solution at 20C), in water of 20 dH (German hardness) which was adjusted with ammonia to a pH of 5.8 prior to the sealing. The sections showed no sealing film; and the Testal value of 9.0 and the loss factor d of 0.40 indicated a very satisfactory sealing. No difficulty resulted from the water hardness causing components of the sealing solution.
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electrochemical Coating By Surface Reaction (AREA)
- Chemically Coating (AREA)
- Chemical Treatment Of Metals (AREA)
- Sealing Material Composition (AREA)
- ing And Chemical Polishing (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2211553A DE2211553C3 (de) | 1972-03-10 | 1972-03-10 | Verfahren zum Verdichten von anodischen Oxidschichten auf Aluminium und Aluminiumlegierungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3900370A true US3900370A (en) | 1975-08-19 |
Family
ID=5838488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US335065A Expired - Lifetime US3900370A (en) | 1972-03-10 | 1973-02-23 | Process for treating aluminum surfaces |
Country Status (17)
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116695A (en) * | 1974-09-12 | 1978-09-26 | Fuji Photo Film Co., Ltd. | Method of producing a support for a printing plate |
| US4148067A (en) * | 1975-03-07 | 1979-04-03 | E M I Limited | Modulated groove records with a thick metal layer and method for making same |
| 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 |
| US4308079A (en) * | 1980-06-16 | 1981-12-29 | Martin Marietta Corporation | Durability of adhesively bonded aluminum structures and method for inhibiting the conversion of aluminum oxide to aluminum hydroxide |
| US4320023A (en) * | 1979-08-23 | 1982-03-16 | Conoco Inc. | Antifreeze formulation useful for retarding precipitation of aluminum corrosion products in the cooling systems of internal combustion engines |
| US4349391A (en) * | 1980-02-19 | 1982-09-14 | Hoechst Aktiengesellschaft | Process for preserving planographic printing forms |
| US4381226A (en) * | 1981-12-23 | 1983-04-26 | American Hoechst Corporation | Electrochemical treatment of aluminum in non-aqueous polymeric polybasic organic acid containing electrolytes |
| US4388156A (en) * | 1981-12-23 | 1983-06-14 | American Hoechst Corporation | Aluminum electrolysis in non-aqueous monomeric organic acid |
| US4427765A (en) | 1981-07-06 | 1984-01-24 | Hoechst Aktiengesellschaft | Hydrophilic coating of salt-type phosphorus or sulfur polymer on aluminum support materials for offset printing plates and process for manufacture and use with light sensitive layer thereon |
| US4427766A (en) | 1981-07-06 | 1984-01-24 | Hoechst Aktiengesellschaft | Hydrophilic coating of salt type nitrogen polymer on aluminum support materials for offset printing plates and process for manufacture and use with light sensitive layer thereon |
| US4427459A (en) | 1982-01-25 | 1984-01-24 | Pennwalt Corporation | Phosphate conversion coatings for metals with reduced coating weights and crystal sizes |
| US4659439A (en) * | 1982-09-24 | 1987-04-21 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Surface treatment of aluminum or aluminum alloys |
| US4718482A (en) * | 1985-10-07 | 1988-01-12 | Mitsubishi Aluminum Kabushiki Kaisha | Method for manufacturing heat exchange vehicle |
| US4765870A (en) * | 1985-08-13 | 1988-08-23 | Matematicko-Fyzikalni Fakulta University | Method of manufacture of an electric moisture-content sensor |
| US4777091A (en) * | 1987-04-28 | 1988-10-11 | The Dow Chemical Company | Metal substrates treated with aminophosphonic acid compounds and products resulting from coating such substrates |
| US4778533A (en) * | 1987-02-04 | 1988-10-18 | Aluminum Company Of America | Aluminum-magnesium alloy sheet product and method for inhibiting formation of a film thereon |
| US4781984A (en) * | 1987-04-28 | 1988-11-01 | The Dow Chemical Company | Aromatic polyether resins having improved adhesion |
| WO1988008762A1 (en) * | 1987-05-12 | 1988-11-17 | Masco Corporation Of Indiana | A process for the production of hard surface control members for faucets |
| US4939001A (en) * | 1988-06-18 | 1990-07-03 | Henkel Kommanditgesellschaft Auf Aktien | Process for sealing anodized aluminum |
| DE4105887A1 (de) * | 1990-03-09 | 1991-09-12 | Fuji Photo Film Co Ltd | Vorsensibilisierte platte zur verwendung in der herstellung lithographischer druckplatten |
| US5103550A (en) * | 1989-12-26 | 1992-04-14 | Aluminum Company Of America | Method of making a food or beverage container |
| US5178916A (en) * | 1991-06-21 | 1993-01-12 | At&T Bell Laboratories | Process for making corrosion-resistant articles |
| US5217813A (en) * | 1990-12-14 | 1993-06-08 | Basf Aktiengesellschaft | Polyethyleneimine and polyvinylamine derivatives, aluminum-based substrate materials coated with these derivatives and the use thereof for the production of offset printing plates |
| US5622569A (en) * | 1995-06-02 | 1997-04-22 | Aluminum Company Of America | Aluminum rigid container sheet cleaner and cleaning method |
| US5736256A (en) * | 1995-05-31 | 1998-04-07 | Howard A. Fromson | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes relating thereto |
| US5853797A (en) * | 1995-11-20 | 1998-12-29 | Lucent Technologies, Inc. | Method of providing corrosion protection |
| US5935656A (en) * | 1995-10-18 | 1999-08-10 | Henkel Kommanditgesellschaft Auf Aktien | Short duration hot seal for anodized metal surfaces |
| US6059897A (en) * | 1996-05-31 | 2000-05-09 | Henkel Kommanditgesellschaft Auf Aktien | Short-term heat-sealing of anodized metal surfaces with surfactant-containing solutions |
| US20050104599A1 (en) * | 2001-12-27 | 2005-05-19 | Yuzo Otsuka | Sealed condition inspecting device |
| US20180202061A1 (en) * | 2017-01-13 | 2018-07-19 | Macdermid Acumen, Inc. | Sealing Anodized Aluminum Using a Low-Temperature Nickel-Free Process |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8309571D0 (en) * | 1983-04-08 | 1983-05-11 | Albright & Wilson | Accelerated sealing of anodised aluminium |
| US7396446B2 (en) * | 2001-08-14 | 2008-07-08 | Keronite International Limited | Magnesium anodisation methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012917A (en) * | 1957-03-26 | 1961-12-12 | Pechiney Prod Chimiques Sa | Method of protecting metal surfaces |
| US3220832A (en) * | 1960-08-05 | 1965-11-30 | Azoplate Corp | Presensitised planographic printing plates and methods of preparing and using such |
| US3272662A (en) * | 1961-02-08 | 1966-09-13 | Hoechst Ag | Process for after-treating metal surfaces coated with crystalline anticorrosion layers |
| US3630790A (en) * | 1969-05-13 | 1971-12-28 | Dow Chemical Co | Method of protection of metal surfaces from corrosion |
| US3634146A (en) * | 1969-09-04 | 1972-01-11 | American Cyanamid Co | Chemical treatment of metal |
| US3657077A (en) * | 1969-09-02 | 1972-04-18 | Henkel & Cie Gmbh | Process for the treatment of anodic oxidized aluminum surfaces |
| US3749596A (en) * | 1970-05-13 | 1973-07-31 | Okuno Chem Ind Co | Method for sealing anodized aluminum |
-
1972
- 1972-03-10 DE DE2211553A patent/DE2211553C3/de not_active Expired
-
1973
- 1973-02-20 SE SE7302384A patent/SE383764B/xx unknown
- 1973-02-20 NO NO693/73A patent/NO131208C/no unknown
- 1973-02-20 DK DK089173A patent/DK150715C/da not_active IP Right Cessation
- 1973-02-23 US US335065A patent/US3900370A/en not_active Expired - Lifetime
- 1973-03-08 FR FR7308272A patent/FR2175808B1/fr not_active Expired
- 1973-03-08 NL NLAANVRAGE7303294,A patent/NL171914C/xx not_active IP Right Cessation
- 1973-03-09 BE BE128589A patent/BE796534A/xx not_active IP Right Cessation
- 1973-03-09 GB GB1146573A patent/GB1419597A/en not_active Expired
- 1973-03-09 ZA ZA731678A patent/ZA731678B/xx unknown
- 1973-03-09 CH CH352373A patent/CH578053A5/xx not_active IP Right Cessation
- 1973-03-09 BR BR731707A patent/BR7301707D0/pt unknown
- 1973-03-09 CA CA165,719A patent/CA1005788A/en not_active Expired
- 1973-03-09 ES ES412477A patent/ES412477A1/es not_active Expired
- 1973-03-09 AT AT210573A patent/AT317627B/de not_active IP Right Cessation
- 1973-03-09 IT IT21387/73A patent/IT982499B/it active
- 1973-03-10 JP JP2846673A patent/JPS565835B2/ja not_active Expired
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012917A (en) * | 1957-03-26 | 1961-12-12 | Pechiney Prod Chimiques Sa | Method of protecting metal surfaces |
| US3220832A (en) * | 1960-08-05 | 1965-11-30 | Azoplate Corp | Presensitised planographic printing plates and methods of preparing and using such |
| US3272662A (en) * | 1961-02-08 | 1966-09-13 | Hoechst Ag | Process for after-treating metal surfaces coated with crystalline anticorrosion layers |
| US3630790A (en) * | 1969-05-13 | 1971-12-28 | Dow Chemical Co | Method of protection of metal surfaces from corrosion |
| US3657077A (en) * | 1969-09-02 | 1972-04-18 | Henkel & Cie Gmbh | Process for the treatment of anodic oxidized aluminum surfaces |
| US3634146A (en) * | 1969-09-04 | 1972-01-11 | American Cyanamid Co | Chemical treatment of metal |
| US3749596A (en) * | 1970-05-13 | 1973-07-31 | Okuno Chem Ind Co | Method for sealing anodized aluminum |
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116695A (en) * | 1974-09-12 | 1978-09-26 | Fuji Photo Film Co., Ltd. | Method of producing a support for a printing plate |
| US4148067A (en) * | 1975-03-07 | 1979-04-03 | E M I Limited | Modulated groove records with a thick metal layer and method for making same |
| 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 |
| US4320023A (en) * | 1979-08-23 | 1982-03-16 | Conoco Inc. | Antifreeze formulation useful for retarding precipitation of aluminum corrosion products in the cooling systems of internal combustion engines |
| US4349391A (en) * | 1980-02-19 | 1982-09-14 | Hoechst Aktiengesellschaft | Process for preserving planographic printing forms |
| US4308079A (en) * | 1980-06-16 | 1981-12-29 | Martin Marietta Corporation | Durability of adhesively bonded aluminum structures and method for inhibiting the conversion of aluminum oxide to aluminum hydroxide |
| US4427765A (en) | 1981-07-06 | 1984-01-24 | Hoechst Aktiengesellschaft | Hydrophilic coating of salt-type phosphorus or sulfur polymer on aluminum support materials for offset printing plates and process for manufacture and use with light sensitive layer thereon |
| US4427766A (en) | 1981-07-06 | 1984-01-24 | Hoechst Aktiengesellschaft | Hydrophilic coating of salt type nitrogen polymer on aluminum support materials for offset printing plates and process for manufacture and use with light sensitive layer thereon |
| US4388156A (en) * | 1981-12-23 | 1983-06-14 | American Hoechst Corporation | Aluminum electrolysis in non-aqueous monomeric organic acid |
| US4381226A (en) * | 1981-12-23 | 1983-04-26 | American Hoechst Corporation | Electrochemical treatment of aluminum in non-aqueous polymeric polybasic organic acid containing electrolytes |
| US4427459A (en) | 1982-01-25 | 1984-01-24 | Pennwalt Corporation | Phosphate conversion coatings for metals with reduced coating weights and crystal sizes |
| US4659439A (en) * | 1982-09-24 | 1987-04-21 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Surface treatment of aluminum or aluminum alloys |
| US4765870A (en) * | 1985-08-13 | 1988-08-23 | Matematicko-Fyzikalni Fakulta University | Method of manufacture of an electric moisture-content sensor |
| US4718482A (en) * | 1985-10-07 | 1988-01-12 | Mitsubishi Aluminum Kabushiki Kaisha | Method for manufacturing heat exchange vehicle |
| US4778533A (en) * | 1987-02-04 | 1988-10-18 | Aluminum Company Of America | Aluminum-magnesium alloy sheet product and method for inhibiting formation of a film thereon |
| US4777091A (en) * | 1987-04-28 | 1988-10-11 | The Dow Chemical Company | Metal substrates treated with aminophosphonic acid compounds and products resulting from coating such substrates |
| US4781984A (en) * | 1987-04-28 | 1988-11-01 | The Dow Chemical Company | Aromatic polyether resins having improved adhesion |
| GB2211444A (en) * | 1987-05-12 | 1989-07-05 | Masco Corp | A process for the production of hard surface control members for faucets |
| WO1988008762A1 (en) * | 1987-05-12 | 1988-11-17 | Masco Corporation Of Indiana | A process for the production of hard surface control members for faucets |
| GB2211444B (en) * | 1987-05-12 | 1991-05-08 | Masco Corp | A process for the production of hard surface control members for faucets |
| US4939001A (en) * | 1988-06-18 | 1990-07-03 | Henkel Kommanditgesellschaft Auf Aktien | Process for sealing anodized aluminum |
| US5103550A (en) * | 1989-12-26 | 1992-04-14 | Aluminum Company Of America | Method of making a food or beverage container |
| DE4105887A1 (de) * | 1990-03-09 | 1991-09-12 | Fuji Photo Film Co Ltd | Vorsensibilisierte platte zur verwendung in der herstellung lithographischer druckplatten |
| DE4105887B4 (de) * | 1990-03-09 | 2004-06-09 | Fuji Photo Film Co., Ltd., Minami-Ashigara | Vorsensibilisierte Platte zur Verwendung in der Herstellung lithographischer Druckplatten |
| US5217813A (en) * | 1990-12-14 | 1993-06-08 | Basf Aktiengesellschaft | Polyethyleneimine and polyvinylamine derivatives, aluminum-based substrate materials coated with these derivatives and the use thereof for the production of offset printing plates |
| US5178916A (en) * | 1991-06-21 | 1993-01-12 | At&T Bell Laboratories | Process for making corrosion-resistant articles |
| US5738943A (en) * | 1995-05-31 | 1998-04-14 | Howard A. Fromson | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes related thereto |
| US5738944A (en) * | 1995-05-31 | 1998-04-14 | Howard A. Fromson | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes related threreto |
| US5736256A (en) * | 1995-05-31 | 1998-04-07 | Howard A. Fromson | Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes relating thereto |
| US5622569A (en) * | 1995-06-02 | 1997-04-22 | Aluminum Company Of America | Aluminum rigid container sheet cleaner and cleaning method |
| US5935656A (en) * | 1995-10-18 | 1999-08-10 | Henkel Kommanditgesellschaft Auf Aktien | Short duration hot seal for anodized metal surfaces |
| US5853797A (en) * | 1995-11-20 | 1998-12-29 | Lucent Technologies, Inc. | Method of providing corrosion protection |
| US6059897A (en) * | 1996-05-31 | 2000-05-09 | Henkel Kommanditgesellschaft Auf Aktien | Short-term heat-sealing of anodized metal surfaces with surfactant-containing solutions |
| US20050104599A1 (en) * | 2001-12-27 | 2005-05-19 | Yuzo Otsuka | Sealed condition inspecting device |
| US7061249B2 (en) * | 2001-12-27 | 2006-06-13 | Tetra Laval Holdings & Finance S.A. | Sealed condition inspecting device |
| US20180202061A1 (en) * | 2017-01-13 | 2018-07-19 | Macdermid Acumen, Inc. | Sealing Anodized Aluminum Using a Low-Temperature Nickel-Free Process |
| WO2018132233A1 (en) * | 2017-01-13 | 2018-07-19 | Macdermid Acumen Inc. | Sealing anodized aluminum using a low-temperature nickel-free process |
| US10138566B2 (en) * | 2017-01-13 | 2018-11-27 | Macdermid Acumen, Inc. | Sealing anodized aluminum using a low-temperature nickel-free process |
| KR20190100403A (ko) * | 2017-01-13 | 2019-08-28 | 맥더미드 애큐맨, 인코포레이티드 | 저온 니켈-비함유 프로세스를 사용하는 양극산화된 알루미늄의 밀봉 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS48102751A (enrdf_load_stackoverflow) | 1973-12-24 |
| JPS565835B2 (enrdf_load_stackoverflow) | 1981-02-06 |
| FR2175808B1 (enrdf_load_stackoverflow) | 1976-04-09 |
| CH578053A5 (enrdf_load_stackoverflow) | 1976-07-30 |
| AT317627B (de) | 1974-09-10 |
| DE2211553A1 (de) | 1973-09-13 |
| DE2211553C3 (de) | 1978-04-20 |
| NL7303294A (enrdf_load_stackoverflow) | 1973-09-12 |
| NL171914B (nl) | 1983-01-03 |
| DE2211553B2 (de) | 1977-08-04 |
| SE383764B (sv) | 1976-03-29 |
| FR2175808A1 (enrdf_load_stackoverflow) | 1973-10-26 |
| NL171914C (nl) | 1983-06-01 |
| DK150715C (da) | 1987-12-28 |
| ZA731678B (en) | 1973-12-19 |
| BR7301707D0 (pt) | 1974-06-27 |
| CA1005788A (en) | 1977-02-22 |
| ES412477A1 (es) | 1976-05-16 |
| NO131208B (enrdf_load_stackoverflow) | 1975-01-13 |
| BE796534A (fr) | 1973-09-10 |
| IT982499B (it) | 1974-10-21 |
| DK150715B (da) | 1987-06-01 |
| NO131208C (enrdf_load_stackoverflow) | 1975-04-23 |
| GB1419597A (en) | 1975-12-31 |
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