[go: up one dir, main page]

WO1998030652A1 - Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium - Google Patents

Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium Download PDF

Info

Publication number
WO1998030652A1
WO1998030652A1 PCT/US1997/000006 US9700006W WO9830652A1 WO 1998030652 A1 WO1998030652 A1 WO 1998030652A1 US 9700006 W US9700006 W US 9700006W WO 9830652 A1 WO9830652 A1 WO 9830652A1
Authority
WO
WIPO (PCT)
Prior art keywords
amount
composition
component
rpm
ratio
Prior art date
Application number
PCT/US1997/000006
Other languages
English (en)
Inventor
Scott J. Beleck
Original Assignee
Henkel Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henkel Corporation filed Critical Henkel Corporation
Priority to PCT/US1997/000006 priority Critical patent/WO1998030652A1/fr
Priority to CA002248568A priority patent/CA2248568A1/fr
Publication of WO1998030652A1 publication Critical patent/WO1998030652A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00—Etching, surface-brightening or pickling compositions
    • C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
    • C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/20—Acidic compositions for etching aluminium or alloys thereof
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/025—Cleaning or pickling metallic material with solutions or molten salts with acid solutions acidic pickling pastes
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12—Light metals
    • C23G1/125—Light metals aluminium

Definitions

  • This invention relates to an improved composition and process for etching and/or deoxidizing aluminum and aluminum alloy surfaces that may be at any angle to the local gravitational force of the earth and are not immersed in the composition.
  • the simple term "aluminum” is to be understood as including alloys containing at least 50 % by weight of aluminum.
  • the compositions must have sufficient viscosity at low shear rates to resist flowing off the surfaces to which they are applied under the influence of the gravitational force of the earth. Discussion of Related Art
  • a deoxidizing/etching process is normally accomplished by immersing the objects in a relatively low viscosity aqueous liquid, traditionally an aqueous acid solution including hexavalent chromium.
  • This method is generally effective, but it can not be practically applied to large aircraft, rail cars, and the like which are too large to immerse in any available container.
  • a composition that will cling for a sufficient time to the entire surface to be deoxidized/etched, even if all or part of the surface is vertical to the local gravitational force of the earth, is needed.
  • a major object of the invention is to provide a new type of flow resistant deoxi- dizing/etching composition that is improved with respect to available prior art counterparts in at least one of the following desiderata: (1) an etching rate of 2.5 ⁇ 0.5 micrometres per hour of exposure (hereinafter usually abbreviated as " ⁇ m/hr") on all parts of an aluminum surface to which it is applied; (2) minimal etch of titanium or ferriferous sur- faces, which are often adjacent to aluminum surfaces desired to be deoxidized and difficult to protect completely against some exposure to the composition applied to deoxidize neighboring aluminum parts of a composite structure; (3) easy visual detection of the presence of the composition on a large aluminum structure being treated with it; (4) facile removal of the composition when its desired action is complete by an at least predom- inantly aqueous rinsing liquid; (5) effective removal of any moderate amounts of organic contaminants that may be on the aluminum surface to be deoxidized; (6) facile wetting of and/or spreading over aluminum surfaces to be treated with the composition; (7) uniformity of visual
  • a viscous liquid composition that comprises, preferably consists essentially of, or more preferably consists of, water and:
  • Another embodiment of the invention is a process comprising, preferably consist ing essentially of, or more preferably consisting of, at least steps of:
  • step (II) maintaining in place the coating formed in step (I) for a time sufficient to deoxidize/etch the aluminum substrate surface; and (III) subsequently removing the coating of viscous liquid composition formed in step (I) from further contact with the aluminum substrate surface.
  • steps including those conventional per se, may be included in a process according to the invention along with these necessary steps.
  • compositions according to the invention be substantially free from various constituents that can cause practical difficulties when present. More particularly, with increasing preference in the order given and with independent preference for each noted component, compositions according to the inven- tion preferably contain no more than 4.0, 2.2, 0.90, 0.50, 0.20, 0.12, 0.070, 0.030, 0.010, 0.0050, 0.0020, 0.0010, 0.00050, 0.00020, or 0.00010 grams of constituent per kilogram of total composition (hereinafter usually abbreviated as "g/kg”) of any of the following: metal cations with a valence of 2 or higher; chloride, bromide, or iodide ions (which can cause pitting corrosive attack on aluminum); any anions containing a metallic element in a valence state of +3 or more; organic peroxides; halate or perhalate anions; and any organic molecules containing at least two but not more than twelve moieties selected from the group consisting of
  • Fluoride ions component (A) is preferably supplied by one or more substances selected from hydrofluoric acid and all of its water soluble salts, including fully and partially neutralized salts, and the stoichiometric equivalent as fluoride of all of these dissolved materials present in the composition is to be considered as part of component (A), irrespective of the actual extent of ionization existing in the composition.
  • free fluoride is needed to achieve the levels of etching speed desired
  • complex fluoride anions such as fluoborate, fluotitanate, fluosilicate, and fluozirconate are not considered part of component (A) if present in a composition according to the invention and preferably, at least for reasons of economy, are not present at all.
  • the amount of fluoride ions present in a working composition according to the invention preferably is at least, with increasing preference in the order given, 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 17.0, or 18.0 grams per kilogram of total composition (hereinafter usually abbreviated as "g/kg") and independently pref- erably is not more than, with increasing preference in the order given, 60, 50, 40, 35, 30, 28, 26, 24, 22, 20.0, or 19.0 g/kg.
  • Component (B) of strong acid is, primarily for reasons of economy, preferably selected from inexpensive strong mineral acids such as sulfuric, hydrochloric, and nitric acids, with sulfuric most preferred.
  • the amount of acid from component (B) in a working composition according to the invention preferably is such as to provide at least, with increasing preference in the order given, 0.080, 0.15, 0.30, 0.40, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, or 0.78 moles of ionized hydrogen atoms per kilogram of total composition (hereinafter usually abbreviated as "mH/kg”) and independently preferably to provide not more than, with increasing preference in the order given, 6.0, 5.0, 4.0, 3.0, 2.5, 2.0, 1.5, 1.2, 1.0, or 0.80 mH/kg.
  • the amount of ionized hydrogen ions in mH/kg preferably has a ratio to the amount of fluoride in g/kg that is at least, with in- creasing preference in the order given, 0.0040:1.0, 0.0060: 1.0, 0.0080:1.0, 0.0100:1.0,
  • a working liquid substrate coating composition according to this invention pref- erably is highly thixotropic, i.e., it preferably has a relatively high viscosity when beginning to be disturbed from a motionless state, but becomes relatively low in viscosity when subjected to stronger forces, so that it may readily be applied by convenient meth- ods such as spraying, dipping, brushing, and the like to a substrate to be protected, to form a coating that will remain in place against the influence of natural gravity without becoming thinned to an undesirable degree.
  • the thixotropy may conveniently be measured by means of a well known type of instrument, a Brookfield viscometer, using spindle # 4.
  • the viscosity at 25 °C of a viscous liquid working composition according to the invention measured in this way, when measured at 0.5 revolution per minute (hereinafter usually abbreviated as "rpm") preferably is at least, with increasing preference in the order given, 100, 200, 300, 400, 500, 600, 650, 700, 750, 800, 850, 870, 890, or 910 poises (hereinafter usually abbreviated as "ps"); independently preferably is, when measured at 2.5 rpm, at least, with increasing preference in the order given, 25, 50, 75, 100, 150, 200, 250, 300, 350, 370, 390, or 400 ps; and also independently preferably is, when measured at 20 rpm, not more than, with increasing preference in the order given, 400, 350, 300, 250, 210, 170, 130, 105, 100, 95, 90, or 86 ps.
  • rpm revolution per minute
  • component (C) is xanthan gum, preferably a type of this gum which has been modified from its natural state to result in smoother flow properties at low shear rates, as described in more detail in connection with the working examples according to the invention below.
  • the amount preferably should be selected to achieve preferable values of viscosities at various measuring speeds as already specified above.
  • the concentration of the modified xanthan gum in a viscous liquid working composition according to the invention preferably is at least, with increasing preference in the order given, 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0, 21.0, or 22.0 g/kg and independently preferably is not more than, with increasing preference in the order given, 150, 125, 100, 80, 60, 50, 40, 30, 25.0, or 22.5 g/kg.
  • component (D) of anionic surfactants are suitable for component (D) of anionic surfactants.
  • Examples include sulfonic acids, partial esters of sulfuric and phosphoric acids, and the like, and salts of all of these acids, in each instance selected from molecules that contain a hydrophobic moiety containing from 8 to 22, more preferably from 10 to 20, or still more preferably from 12 to 18, carbon atoms and not more than, with increasing preference in the order given, 5, 3, 2, 1, or 0 atoms other than carbon, hydrogen, and halogen atoms. Largely for reasons of economy, sulfonic acids, partial esters of sulfuric acid, and salts of both these types of are preferred. Linear alkylbenzene sulfonic acids and their corresponding sulfonates are most preferred for component (D).
  • the amount of component (D) in a working composition according to the invention preferably is at least, with increasing preference in the order given, 2, 4,
  • component (E) As with component (D), a wide variety of commercially available and other known surfactants are suitable for component (E) of non-ionic surfactant.
  • Preferred molecules for component (E) conform to the general chemical formula (I): R'O(CH 2 CH 2 O) y (CH 2 CHCH 3 O) z H (I) where R 1 is a moiety selected from the group consisting of saturated-and-unsaturated straight-and-branched-chain-aliphatic-monovalent-hydrocarbon-moiety-substituent - bearing phenyl moieties in which the aromatic ring of the phenyl moiety is directly bonded to the oxygen atom appearing immediately after the R 1 symbol in formula (II); y is a positive integer; and z is zero, one, or two. More preferably, independently for each preference stated, z is 1 or 0, most preferably zero; the aliphatic monovalent hydrocarbon moiety substituent in R 1 has at least, with increasing preference in the order given, 5,
  • the amount of component (E) in a composition according to the invention preferably is such that it has a ratio to the amount of component (D), measured in the same units, in the same composition that is at least, with increasing preference in the order given, 0.015:1.0, 0.030:1.0, 0.045:1.0, 0.060:1.0, 0.075:1.0, 0.090:1.0, 0.100:1.0, 0.110: 1.0, 0.115: 1.0, 0.120:1.0, or 0.123:1.0 and independently preferably is not more than, with increasing preference in the order given, 2.0:1.0, 1.5:1.0, 1.0:1.0, 0.50:1.0, 0.40:1.0, 0.30:1.0, 0.25:1.0, 0.20:1.0, 0.18:1.0, 0.16: 1.0, 0.150:1.0, 0.140:1.0, or 0.130:1.0.
  • hydrotroping agent component (F) is generally preferred in concentrates according to the invention.
  • Conventional hydrotroping agents such as the salts of alkyl benzene sulfonic acids, particularly of cumene sulfonic acid, are suitable for compositions according to this invention and are generally preferred for reasons of economy.
  • at least one of two other types of hydrotropes are then preferred: (i) organic phosphate esters and (ii) alkyl and alkenyl substituted cyclic acid anhydrides, particularly the anhydrides of C 4.6 terminal dicarboxylic acids substituted with alkyl or alkenyl groups having 6 to 20 carbon atoms.
  • the amount of hydrotroping agent when it is used at all, is preferably such as to have a ratio to the amount of component (E), measured in the same units, that is at least, with increasing preference in the order given, 2: 1.0, 4: 1.0, 6: 1.0, or 8: 1.0 and independently, primarily for reasons of economy, preferably is not more than, with increasing preference in the order given, 25:1.0, 20:1.0, 15:1.0, 13:1.0, 11 :1.0, or 9: 1.0, with the higher ratios within this range generally preferred for very highly concentrated compositions according to this invention and lower ratios, including omission of any hydrotroping agent at all, often satisfactory for working compositions.
  • Optional colorant component (G) is often preferred in a composition according to this invention, to serve as a visual indicator of the thickness of the coating applied to a substrate surface with a complicated shape and thereby make it easier to achieve the usual goal of an approximately equally thick coating over the entire surface to be deoxidized/etched.
  • Numerous conventional dyes and/or pigments, as known to those skilled in the art, may be used for component (G).
  • Optional biocidal component (H) is not normally needed, but may be preferably present in a liquid composition according to the invention in an amount effective to repress the biodegradation of any of the components of the composition, when the composition is used in an environment in which acid-tolerant microorganisms are prevalent.
  • Optional oxidizing agent component (J) is not normally needed, but may be useful to accelerate the etching process on some substrates. Hydrogen peroxide is preferred when this component is used; it also has some biocidal activity and may be used for that purpose as part of component (H).
  • a substrate to be deoxidized and/or etched in a process according to this invention should be cleaned to remove most gross soils before being exposed to a composition according to this invention as described above.
  • a process according to the invention is normally performed at ambient temperature, if for no other reason than that maintaining a different temperature would be a considerable practical difficulty in view of the large size of the substrates usually treated.
  • a contact time from 1 to 20 minutes, or more preferably from 8 to 12 minutes, is normally preferred in a process according to this invention.
  • BRIJTM 35 surfactant was obtained commercially from ICI Americas, Inc. and is reported by its supplier to consist of ethoxylates of lauryl alcohol with an average of 23 moles of ethylene oxide per mole of lauryl alcohol.
  • CAB-O-SILTM M5 dispersion of finely divided silica in water was obtained commercially from Cabot Corp. and is recommended as a viscosity increasing agent
  • CALSOFTTM LAS 99 surfactant was supplied by Van Waters and Rogers, Kirkland, Washington and is reported by its supplier to be linear alkyl benzene sulfonate.
  • KELZANTM AR xanthan gum powder was commercially obtained from the Kelco division of Merck & Co., Inc. and is reported by its supplier to contain 86 - 92 % solids of xanthan gum (which is constituted of polymers of ⁇ -l,4-linked D-glucose units) that has been modified to give lower viscosity at low shear rates than unmodified natural xan- than gum.
  • a solution of 0.3 % of each of potassium chloride and KELZANTM AR in water has a viscosity of about 800 centipoises (hereinafter usually abbreviated as "cps”) at a shear rate of 0.1 reciprocal seconds (hereinafter usually abbre- viated as "sec " '"), whereas an otherwise identical solution of natural xanthan gum has a viscosity of almost 10,000 cps. At a shear rate of 10 sec "1 , the viscosities of these solutions are about 100 and 500 cps respectively.
  • NAXONATETM SC hydrotroping agent was obtained commercially from Ruet- gers-Nease Chemical Co., Inc., Ross, Ohio and was reported by its supplier to be 93 % sodium cumene sulfonate.
  • TRITONTM N-101 surfactant was commercially supplied by Van Waters and Rogers, Kirkland, Washington and was reported by its supplier to be a nonionic surfactant consisting of ethoxylated nonylphenol molecules with residues from an average of 9.5 molecules of ethylene oxide per molecule of surfactant;
  • UNISPERSETM Blue colorant was obtained commercially from Ciba-Geigy as a paste. It is reported by its supplier to contain about 50 % of copper phthalocyanine blue pigment in dispersion.
  • VEEGUMTM T was obtained commercially from R. T. Vanderbilt Co., Norwalk, Connecticut and is reported by its supplier to be hydrated magnesium aluminosilicate smectite clay. It is recommended as a viscosity increasing agent.
  • Example and comparison example working compositions are set forth in Table 1 below. Blank cells in the table indicate that none of the material was added to the com- position, or that the property value that would properly appear in the cell was not measured. The viscosities reported in Table 1 were measured with a Brookfield viscosimeter using spindle # 4. The balance of each composition not shown in Table 1 was water.
  • the coatings were formed for these examples simply by immersing the test panels in the composition and then withdrawing them after a few seconds, with no deliberate aid or hindrance to drainage of the composition from the panel surface.
  • the coated panel was then held with its highest area surfaces vertical for the contact time indicated in the Table.
  • the viscous liquid coating over the panel surfaces was then rinsed away with water.
  • Panels had been weighed before applying the working composition and were weighed again after this rinsing and subsequent drying to determine the mass loss, which was converted to an etch rate by the usual mathematical calculations (i.e., dividing the total mass loss for the panel by the area of the panel to determine loss per unit area, then dividing the loss per unit area by the density of the panel to determine the thickness of metal corresponding to the mass loss.)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Composition liquide aqueuse thixotrope appropriée pour désoxyder et décaper des substrats en aluminium, même si ces derniers sont verticaux par rapport à la gravité locale et non immergés dans des cuves. Ces compositions contiennent des ions fluorure, un acide présentant une constante d'ionisation supérieure à celle d'un acide fluorhydrique, un agent augmentant la viscosité, de préférence sous forme de gomme xanthane, ainsi que des tensioactifs anioniques et non ioniques. Ladite composition contient également de préférence un colorant de sorte que l'épaisseur du revêtement appliqué sur le substrat puisse être évaluée visuellement.
PCT/US1997/000006 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium WO1998030652A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US1997/000006 WO1998030652A1 (fr) 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium
CA002248568A CA2248568A1 (fr) 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/US1997/000006 WO1998030652A1 (fr) 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium
CA002248568A CA2248568A1 (fr) 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium

Publications (1)

Publication Number Publication Date
WO1998030652A1 true WO1998030652A1 (fr) 1998-07-16

Family

ID=25680519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/000006 WO1998030652A1 (fr) 1997-01-09 1997-01-09 Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium

Country Status (2)

Country Link
CA (1) CA2248568A1 (fr)
WO (1) WO1998030652A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083391A1 (fr) * 2000-04-28 2001-11-08 Merck Patent Gmbh Pates d'attaque chimique pour surfaces inorganiques
WO2004020699A1 (fr) * 2002-08-30 2004-03-11 Umicore Procede de depot mecanique
US7629257B2 (en) 2001-10-10 2009-12-08 Merck Patentgesellschaft Combined etching and doping substances
CN103980905A (zh) * 2014-05-07 2014-08-13 佛山市中山大学研究院 一种用于氧化物材料体系的新型蚀刻液及其蚀刻方法和应用

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687346A (en) * 1953-04-24 1954-08-24 Kelite Products Inc Process and composition for brightening the skin of aircraft
US2942956A (en) * 1958-10-13 1960-06-28 Wyandotte Chemicals Corp Aluminum brightener compositions
USRE25953E (en) * 1966-02-22 Process and composition for brightening aluminum
US3379645A (en) * 1965-11-15 1968-04-23 Rohr Corp Process and composition for removing protective paint films
US3448055A (en) * 1965-03-31 1969-06-03 Diversey Corp Aluminum alloy deoxidizing-desmutting composition and method
US3655579A (en) * 1968-08-02 1972-04-11 Chemed Corp Powder gelling composition
US4404039A (en) * 1981-05-16 1983-09-13 Henkel Kommanditgesellschaft Auf Aktien Cleanser for anodized surfaces of aluminum and alloys thereof and method for using same
JPS59123772A (ja) * 1982-12-27 1984-07-17 Toppan Printing Co Ltd アルミニウム系金属用エツチング液
US4614607A (en) * 1984-09-26 1986-09-30 The Boeing Company Non-chromated deoxidizer
US4921626A (en) * 1989-08-23 1990-05-01 Automark Corporation Glass etching composition and method of making
US4959105A (en) * 1988-09-30 1990-09-25 Fred Neidiffer Aluminium cleaning composition and process
US5393447A (en) * 1993-07-09 1995-02-28 Henkel Corporation Composition and process for desmutting and deoxidizing without smutting

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25953E (en) * 1966-02-22 Process and composition for brightening aluminum
US2687346A (en) * 1953-04-24 1954-08-24 Kelite Products Inc Process and composition for brightening the skin of aircraft
US2942956A (en) * 1958-10-13 1960-06-28 Wyandotte Chemicals Corp Aluminum brightener compositions
US3448055A (en) * 1965-03-31 1969-06-03 Diversey Corp Aluminum alloy deoxidizing-desmutting composition and method
US3379645A (en) * 1965-11-15 1968-04-23 Rohr Corp Process and composition for removing protective paint films
US3655579A (en) * 1968-08-02 1972-04-11 Chemed Corp Powder gelling composition
US4404039A (en) * 1981-05-16 1983-09-13 Henkel Kommanditgesellschaft Auf Aktien Cleanser for anodized surfaces of aluminum and alloys thereof and method for using same
JPS59123772A (ja) * 1982-12-27 1984-07-17 Toppan Printing Co Ltd アルミニウム系金属用エツチング液
US4614607A (en) * 1984-09-26 1986-09-30 The Boeing Company Non-chromated deoxidizer
US4959105A (en) * 1988-09-30 1990-09-25 Fred Neidiffer Aluminium cleaning composition and process
US4921626A (en) * 1989-08-23 1990-05-01 Automark Corporation Glass etching composition and method of making
US5393447A (en) * 1993-07-09 1995-02-28 Henkel Corporation Composition and process for desmutting and deoxidizing without smutting

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083391A1 (fr) * 2000-04-28 2001-11-08 Merck Patent Gmbh Pates d'attaque chimique pour surfaces inorganiques
AU2001242510B2 (en) * 2000-04-28 2006-02-23 Merck Patent Gmbh Etching pastes for inorganic surfaces
CN100343189C (zh) * 2000-04-28 2007-10-17 默克专利有限公司 用于无机表面的蚀刻糊
US7629257B2 (en) 2001-10-10 2009-12-08 Merck Patentgesellschaft Combined etching and doping substances
US8148191B2 (en) 2001-10-10 2012-04-03 Merck Patent Gmbh Combined etching and doping media
WO2004020699A1 (fr) * 2002-08-30 2004-03-11 Umicore Procede de depot mecanique
CN103980905A (zh) * 2014-05-07 2014-08-13 佛山市中山大学研究院 一种用于氧化物材料体系的新型蚀刻液及其蚀刻方法和应用
CN103980905B (zh) * 2014-05-07 2017-04-05 佛山市中山大学研究院 一种用于氧化物材料体系的蚀刻液及其蚀刻方法和应用

Also Published As

Publication number Publication date
CA2248568A1 (fr) 1998-07-16

Similar Documents

Publication Publication Date Title
EP1404894B1 (fr) Revetement anti-corrosion pour aluminium et alliages d'aluminium
US4878963A (en) Corrosion resistant aluminum coating composition
US4711667A (en) Corrosion resistant aluminum coating
US9447507B2 (en) Cleaner composition for formed metal articles
AU678505B2 (en) Composition and process for desmutting and deoxidizing without smutting
US6447665B1 (en) Faster two-step sealing of anodized aluminum surfaces
US5769967A (en) Composition and process for treating metal
WO1993009266A1 (fr) Composition et procede pour former un revetement de conversion de phosphate
GB2100757A (en) Fluoride-free, low-temperature aluminium-cleaning concentrates and solutions
US6503565B1 (en) Metal treatment with acidic, rare earth ion containing cleaning solution
US4883541A (en) Nonchromate deoxidizer for aluminum alloys
US20020179189A1 (en) Process and composition for sealing porous coatings containing metal and oxygen atoms
WO1998030652A1 (fr) Compositions de desoxydation/decapage a l'acide et procede correspondant pouvant etre applique a des surfaces verticales en aluminium
US20070264511A1 (en) Method and composition for forming a coloured coating on a metallic surface
US6001186A (en) Acid cleaning/deoxidizing aluminum and titanium without substantial etching
CN101091007B (zh) 减少激光氧化皮以改进油漆粘结性的铁磷酸盐化方法
WO1998020186A1 (fr) Composition et procede de revetement par conversion a phosphate
US3687857A (en) Corrosion inhibited paint remover
Gibson et al. Phosphate Coating of Aluminum.
AU687882B2 (en) Metal treatment with acidic, rare earth ion containing cleaning solution
GB2036807A (en) Solutions, concentrates and processes for conversion-coating of aluminium
CN85101826A (zh) 磷酸盐处理溶液和工艺
CS198862B1 (cs) Příprava pro lázně na úpravu povrchu hliníku a jeho slitin před nanáSením nátěrových hmot
CA2139388A1 (fr) Composition et procede servant a l'elimination du depot et a la neutralisation sans formation de depot

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA US

WWE Wipo information: entry into national phase

Ref document number: 09142342

Country of ref document: US

ENP Entry into the national phase

Ref document number: 2248568

Country of ref document: CA

Ref country code: CA

Ref document number: 2248568

Kind code of ref document: A

Format of ref document f/p: F