CN1067447C - Composition and process for treating metal - Google Patents
Composition and process for treating metal Download PDFInfo
- Publication number
- CN1067447C CN1067447C CN96109425A CN96109425A CN1067447C CN 1067447 C CN1067447 C CN 1067447C CN 96109425 A CN96109425 A CN 96109425A CN 96109425 A CN96109425 A CN 96109425A CN 1067447 C CN1067447 C CN 1067447C
- Authority
- CN
- China
- Prior art keywords
- scope
- mixture
- component
- water
- composition
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
- C23C22/361—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing titanium, zirconium or hafnium compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/37—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Heating an aqueous mixture of a fluoroacid such as H2TiF6 and an oxide, hydroxide, and/or carbonate such as silica produces a clear mixture with long term stability against settling of any solid phase, even when the oxide, hydroxide, or carbonate phase before heating was a dispersed solid with sufficiently large particles to scatter light and make the mixture before heating cloudy. The clear mixture produced by heating can either be mixed e with water soluble and/or water dispersible polymers that are polyhydroxyalkylamino- substituted polymers and/or copolymers of p-vinyl phenol, or with soluble hexavalent and/or trivalent chromium, to produce a composition that improves the corrosion resistance of metals treated with the composition, especially after subsequent painting.
Description
The application's dividing an application that be the exercise question submitted on April 1st, 1993 for the Chinese patent application No.93105207.6 of " handling composition and method that metal is used ".
The present invention relates to use the water-based acid composition process metal surfaces,, or covering the corrosion proof method of metal of conventional organic protection layer after the processing again with the metal that improves institute's metal of being handled or handled like this.A main purpose of the present invention is; a kind of single packing treatment solution of package stability is provided; this treatment solution can be substantially free of sexavalent chrome; but can as chromyl treatment solution in the prior art, protect metal basically well, perhaps can improve the stability of chromyl treatment solution.
Recorded various treatment agents in prior art and can be used for general occasion of the present invention, but great majority wherein all contain the undesirable sexavalent chrome of environmental protection or other inorganic oxidizer.Mention that below some inventor think and the concrete document of the maximally related correlation technique of the present invention.
US 5,089, and a kind of technology with compositions-treated aluminium, the fluorine-containing zirconic acid (H of said composition have been given in 064 (authorizing Reghi on February 18th, 1992) record
2ZrF
6), water-soluble or dispersible 3-(N-C
14Alkyl-N-2-hydroxyethyl aminomethyl)-and 4-hydroxystyrene polymers and dispersive silicon-dioxide, the result that this processing produces is fabulous, but some inconvenience, this is sedimentation dispersive silica component because the composition of this processing usefulness is easy to slow down.In actual applications, this means, for obtaining optimum, at least must be with two kinds of components, wherein a kind of silicon-dioxide that contains, another kind does not contain silicon-dioxide, stores respectively, and adds mixing before use.
US 4,963, and 596 (authorizing people such as Lindert October 16 nineteen ninety) have been put down in writing in metal treatment and to have been used water-soluble polyethylene base phenol derivatives, comprising being used in combination as much as possible these polymer materialss and dispersed silicon dioxide.
US 4,921, and 552 (authorizing people such as Sander May 1 nineteen ninety) have been put down in writing the method with the compositions-treated aluminium of a kind of fluorine-containing zirconic acid, hydrofluoric acid and water-soluble polymers.
Published european patent application specification sheets 0273698 (publication on July 6th, 1989) has been put down in writing some acid treating water solution, wherein contains trivalent metal compound, silicon-dioxide and preferably also contains nickel ion and/or fluorion.The balance anion of used trivalent metal cation can be the silicofluoric acid root.
US 4,341,558 people such as (July 27 nineteen eighty-two, order were authorized Yashiro)) put down in writing the compositions-treated metallic surface that contains water-soluble salt, phosphoric acid flesh ester and the silicon-dioxide of zirconium and/or titanium with a kind of.Said composition also can contain organic tackiness agent, for example polyvinyl alcohol.
US 4,277, and 292 (authorizing Tupper July 7 nineteen eighty-two) have been put down in writing with a kind of water-based acid composition that contains zirconium, fluorochemical and vegatable tannin and handled the method on aluminium surface.
US 3,506, and 499 (authorizing Okada etc. on April 14th, 1970) have been put down in writing the method that a kind of aqueous solution of being made up of chromic acid and colloid silica is handled aluminium surface and zinc surface.
S.M Thomsen is at Jour.Amer.Chem Soc (74,1690-1693 page or leaf, nineteen fifty-two) delivered one piece of paper that is entitled as " High-silica Fluosi lic Acicds:Specific Reactions and the Equi librium with silica " on.The summary of pressing this article is described, and the high silicon dioxide silicofluoric acid can be used up to surpassing molecular formula H
2SiF
6The requirement of the extra " silicon-dioxide of determined composition 18% above " is dissolved in hydrofluoric acid with hydrated SiO 2 and prepares.This high silicon dioxide silicofluoric acid has the characteristic reaction with sodium salt and fluorochemical.The chemical equilibrium of being supposed is:
, recorded the about 100-10 of the equilibrium constant, 000.
Remove that right requires and embodiment in, perhaps emphatically point out separately beyond the part, the quantity of all expression materials or reaction conditions and/or working conditions value must be understood as about " character modification with " in this specification sheets, so that wide region of the present invention to be described.The enforcement of carrying out in illustrated limit of accuracy scope generally is preferred.
Have now found that, contain following composition solution composition, it comprises that (A) is a kind of by being selected from titanium, zirconium, hafnium, boron, silicon, the soluble fluorine acidulants component of one or more metals or non-metallic element among germanium and the tin, reach (B) a kind of titanium that is selected from by one or more (ⅰ) solubilized or dispersion state, zirconium, hafnium, boron, aluminium, silicon, germanium and tin metal and non-metallic element and (ⅱ) oxide compound of these metals or non-metallic element, oxyhydroxide and carbonate, these mixture is stirred the sufficiently long at least time, make and do not have the sign that is separated that can observe with the naked eye in the mixture, and it is enough stable, at least can in 100 hours, keep not occurring the observable sign that is separated of naked eyes when being enough under 20-25 ℃ temperature, store, even existing metal and/or non-metallic element in said composition, oxide compound, oxyhydroxide and/or carbonate, be in unreacted and store, not having several days can settled dispersible solid thing state also be like this promptly.
The composition that these make through mixing is then with (ⅰ) or one of (ⅱ) combine: (ⅰ) one or more X-(N-R
1-N-R
2-aminomethyl)-a kind of water-soluble aqueous dispersion polymers of 4-hydroxy styrenes or multipolymer formula in X=2,3,5 or 6, R
1Represent an alkyl that contains 1 to 4 carbon atom, preferably select and use methyl, and R
2Represent a general molecular formula H (CHOH)
n-substituting group; Wherein n is an integer of 3 to 8, is preferably 4 to 6, (ⅱ) a kind of sexavalent chrome and preferably but preferably contain chromic component and mix of containing.The composition that is generated is fit to be used for process metal surfaces and can obtains excellent corrosion resistance nature, and especially be coated with the supercoat that contains organic stick subsequently with ordinary method after, rotproofness is more excellent.These compositions can be actually used in iron and steel, zinc-plated iron-steel, zinc and contain the zinc alloy of 50% (atom) zinc at least, and most preferably are used for aluminium and contain the aluminium alloy of 50% (atom) aluminium at least.Treatment process can be made up of the following step: apply the liquid film of said composition on metal, dry on the spot then this liquid film makes it to anchor on the metallic surface; Perhaps can form: make metal contact the time that is enough to improve surperficial corrosion resistance nature with said composition simply, before drying, washed subsequently by the following step.The available spray of such contact, the dipping and in this field known method realize.
Must be understood that this specification sheets is not got rid of the possibility that reacts to each other that can not specify between listed each component, but this specification sheets describe be the component of composition of the present invention when this composition of preparation, be to use with the form of single composition.
The fluoric-containing acid component that works in the described method according to one embodiment of this invention [hereinafter representing with " (A) " sometimes] under its water-soluble enough big condition, can be selected from H arbitrarily
2TiF
6, H
2ZrF
6, H
2HfF
6, H
2SiF
6, H
2GeF
6, H
2SnF
6, HBF
4And composition thereof.Wherein preferentially select and use H
2TiF
6H
2ZrF
6, H
2HfF
6, H
2SiF
6, HBF
4And composition thereof, be more preferably H
2TiF
6, H
2ZrF
6, H
2SiF
6, and composition thereof, the most handy H
2TiF
6The concentration of fluoric-containing acid is preferably between 0.01mol/L and 7mol/L (hereinafter representing with M), more preferably between 0.1M and 6M during reaction.
The component of metal and/or non-metallic element and/or its oxide compound, oxyhydroxide and/or carbonate [hereinafter showing it with " (B) " sometimes] is preferably selected from oxide compound, oxyhydroxide and/or the carbonate of silicon, zirconium and/or aluminium, and more preferably comprises silicon-dioxide.Any form that is enough to easily to be scattered in this component in the water that is sub-divided into all can be used in the described method of specific embodiments of the present invention, but each constituent element for the poorly water-soluble in this component, preferably select with amorphous, and without crystalline form, because the crystalline state constituent element needs long period heating and/or higher Heating temperature, could produce and no longer be easy to settled composition.Can use the solution of solution and/or silicic acid sol and so on, but preferably these constituent elements are substantially free of alkalimetal ion, its reason will hereinafter be further described.Yet, usually the most preferably, use the silica suspension that makes by pyrogenic process.
For ease of explanation, with 1 equivalent metal or non-metallic element, or oxide compound, oxyhydroxide or the carbonate of this element of 1 equivalent are defined as described material and contain and add up to avogadros constant (promptly 6.02 * 10
23) be selected from the amount of metal and/or the non-metallic element total atom number of Ti, Zr, Hf, B, Al, Si, Ge and Sn.In the described aqueous composition through heating of specific embodiments of the present invention, the mole number of fluoric-containing acid component (A) is 1: 1 to 50: 1 to the ratio of component (B) total yield number, more preferably 1.5: 1.0 to 20: 1, and preferably 1.5 to 5.0: 1.0.When needing, certain constituent element of these components can make the surface have lipophilicity in its surface with silane coupling agent or similar processing.
By a specific embodiments of the present invention, with the composition that basically or preferably constitutes as mentioned above by fluorochemical, oxyhydroxide and/or the CARBONATE COMPONENT of fluoric-containing acid component and metal and/or non-metallic element, stir the sufficiently long time, a kind of to form through storing 100 hours or best 1000 hours and do not have the visible settled composition of naked eyes.In whipping process, be preferably temperature in 25-100 ℃ of scope, perhaps be more preferably in 30-80 ℃ of scope, composition keeps in this temperature range in 3-480 minute scope, better in 5-90 minute scope, be preferably in the 10-30 branch clock time (hereinafter time unit minute often be abbreviated as " min ").In above-mentioned scope, short time and lower temperature transform better to this composition, and promptly wherein component (B) only is selected from solvend and/or disperses amorphous substance and reduce hydrophilic surface treatment without any; And comprise when reducing its hydrophilic surface-treated and disperse solid crystals thing and/or solids long and comparatively high temps that more may be in this scope then when component (B).Under special situation of difficult, the device to the reaction mixture pressurization with suitable can adopt even be higher than 100 ℃ temperature.
No matter in what situations, be preferably, be combined with the composition that said components (A) is become with (B), before being incubated as mentioned above, its pH value should remain in the scope of 0-4, better in the 0.0-2.0 scope, better in the 0.0-1.0 scope.
After as insulation under certain above-mentioned temperature, make and make up the temperature that is in below 30 ℃, mix with a kind of component [hereinafter showing it with " C " sometimes] then, this component is made up of (1) or (2), many hydroxyls alkylamino derivative of above-mentioned poly-{ the para hydroxybenzene ethene } of (1) water-soluble or water dispersible; (see US 4 in detail, 963,596, this patent specification is except that obvious and inconsistent place described herein, in full at this in conjunction with for referencial use) or by (2) sexavalent chrome and optional but preferred trivalent chromium solution, (referring to handling to stop known technology in the corrosive field) in metal treatment especially aluminium and aluminium alloy.Suitable and preferred polymkeric substance and preparation method thereof, at US4, the existing detailed description in detail in 963,596.The ratio of the weight of the total amount of the solid contents of component (C) and each effective constituent of said components (A) is preferably within the scope of 0.1-3, better in the 0.2-2 scope, perhaps better in the 0.2-1.6 scope.
With the composition of method for preparing, constitute another specific embodiments of the present invention.Under the normal circumstances, general situation preferably is the present composition of as above stipulating, should be substantially free of the used composition of composition that is used for identical purpose in many prior aries.Specifically, for following each preferred minimum quantity component, according to given order, particularly preferably be, when these compositions according to a kind of method of this paper directly and during metallic contact, contain following each composition that is not more than 1.0,0.35,0.10,0.08,0.04,0.02,0.01 or 0.001 weight percent (following represent): sexavalent chrome with " W% "; Yellow prussiate; The hexacyanoferrate; The negatively charged ion that contains molybdenum or tungsten; Nitrate and other oxygenant (other all calculates its chemical oxidation equivalent by nitrate), be not the phosphorous and anions containing sulfur of oxygenant; Alkali metal cation and ammonium cation; And the organic compound that contains two or more hydroxyls and molecular weight/less than 300.Only to after those make the metallic surface and contain aforesaid combination branch (A), (B) and composition (C) and contact in the method for the present invention, just that composition is dry on the spot without washing, handled the method compositions for use on the metallic surface to anchor at, carried out the minimum amount optimized choice of alkali metal cation and ammonium cation; When composition of the present invention contacts with the metallic surface; and when before drying, washing with water subsequently; generally all remove by existing alkalimetal ion and ammonium ion, avoid in fact reducing being coated with the protection effect that contains organic binding agent protective layer subsequently so basically through washing.In addition, the minimum of sexavalent chrome amount being selected, is because chromic pollution cause.For not preventing to pollute the local of restriction legally and/or having the means of enough economy to handle sexavalent chrome and do not cause place, just need not this selection to environmental hazard.In fact, in a specific embodiments of the present invention, as above-mentioned, sexavalent chrome can advantageously be used for further improving the corrosion resisting property of the metallic surface of handling.
Another specific embodiments of the present invention is the method with the compositions-treated metal of above-mentioned preparation.In specific embodiments of the present invention, preferably above-mentioned acidic water-based composition is administered on the metallic surface, and dry on the spot.For instance, on metal, be coated with liquid film, can by with surface impregnation in the container that fills liquid composition, from the teeth outwards spray composition, make the metallic surface by being dipped in finishing between two rollers up and down in the container that fills fluid composition, perhaps be used in combination these methods simultaneously.Before carrying out drying, may also have excessive fluid composition to stay on the surface, this method that can make any routine before drying is removed, for example the trickle process under influence of gravity, roll over method such as roll method, between two rollers, pass through.
If surface to be coated is successive flat board or coiled material, and use the paint-on technique of strict control, print roller coating machine for example, then per unit area can directly apply with the concentrated composition that quite lacks volume.On the other hand, if used coating unit can not easily come meticulous coating with the low coating annex solution scale of construction, can apply thicker liquid layer with rarer acidic composition like this, and this liquid layer contains general equivalent effective constituent, then effect is the same.In both cases, be present in drying and anchor at processed lip-deeply, and be selected from the element total amount of Ti, Zr, B, Si, Ge, Sn, (the following " mg/m that often is abbreviated as in the scope on every square metre of processed surface of 1-300mg/
2"), wherein with 5-150mg/m
2Better, the best is 5-100mg/m
2
The method of dry available any routine is finished, and this all is known in this area for wherein many methods, and its example has hot-air dry and infrared ray radiation drying.No matter with any method, be preferably, the top temperature that metal is reached when drying is in 30-200 ℃ of scope, better in 30-150 ℃ of scope, more fortunately in 30-75 ℃ of scope.Equally, no matter in any case, be preferably apply to finish after, dryly in the time of 0.5-300 second (below be abbreviated as " sec "), finish, better at 2-50 in time second, 2-10 in second fortunately again.
According to another specific embodiments of the present invention, the metal that will handle is preferably in 25-90 ℃ of scope, better at 30-85 ℃, be preferably under 30-60 ℃ the temperature, contact 1-1800sec with the composition of above-mentioned preparation, better 1-300sec, the preferably time of 3-30sec, then with treated metallic surface before drying, wash with moisture one step or multistep.In this embodiment, at least final step washing with deionized water, heat up in a steamer steaming water or carry out with the water of other method purifying.In this embodiment, the top temperature that metal is reached when dry preferably in 30-200 ℃ of scope, better at 30-150 ℃, is preferably in the 30-75 ℃ of scope, and then finish after drying in washing and should at 0.5-300sec better in 2-50sec, be preferably in 2-10sec and finish in the time.
Method of the present invention with above-mentioned principal character; usually also comprise then and apply the dry metallic surface that makes through above-mentioned processing with a kind of dry coat or other kind protective layer; coated thickness is thicker relatively through the formed rete of previous steps than the present invention, and this point is known in the art.Applied the surface like this, described in following each enforcement, be found etch resistant properties with brilliance.The type of the particularly preferred protective layer that is used in combination with the present invention comprises with acrylic acid or the like and polyester being paint, enamel, varnish of matrix etc.
In the method for the invention; if comprise through above-mentioned after forming processing layer on the metallic surface other step and must be under the environment that the discharging sexavalent chrome is had the blue law restriction and the occasion of carrying out operation under the financial difficulties condition; usually; these other steps preferably do not comprise makes the surface be higher than time chromic composition of number of columns and contact with containing; the ordering that improves by preferred order is 1.0; 0.35; 0.10; 0.08; 0.04; 0.02; 0.01; 0.003; 0.0.001 or the sexavalent chrome of 0.0002 W%; yet; under some particular case; sexavalent chrome can give the metallic surface of handling with enough extra additional corrosionproof protection performances, this is with respect to improve using and processing sexavalent chrome expense of legal provisions is worthwhile.
The metallic surface that to handle by the present invention at first will clean out any dirt, especially organic dirt and external metal fines and/or inclusion.Available this field of such cleaning professional is known, be suitable for particular types must handle the whole bag of tricks of metallic matrix and finish, for example, for various surface of galvanized steel, the matrix thermokalite degreasing fluid of handy routine cleans, use hot wash then, spreading is also dry.For aluminium, with before above-mentioned water-based acid composition contacts, pending surface preferably contact with conventional thermokalite degreasing fluid earlier, washs in hot water then, randomly neutralizes with acid and washs.
According to following indefiniteness embodiment, can further understand enforcement of the present invention, and contrast each Comparative Examples and can further understand advantage of the present invention.
Embodiment
Test method and other general condition
With 3105 type aluminium samples, following to containing 28g/L PARCO at 55 ℃
RThe water-base cleaning liquid hydro-peening of Cleaner305 (can buy) 15 seconds from the Parker+Amchen portion of Henkel joint stock company of Michigan, United States Madiso Heights.After the cleaning, with the sample hot water wash, spreading drying, the water-based acid composition described in each embodiment and the Comparative Examples below the roller coat then.
To following first group of embodiment and Comparative Examples, carry out according to drying treatment method on the spot, with the rapid drying in infra-red furnace of coated fluid composition of the present invention, this stove makes the metal top temperature reach 49 ℃ approximately.The sample of handling so subsequently by supplier's recommendation, is coated with the various commercial coating with following detailed description again.
The T pliability test is pressed U.S. material test association branch, (hereinafter claims " ASTM " method D4145-83 to carry out; Shock test is undertaken by ASTM method D2794-84E1; Salt-fog test by ASTM method B-117-90 for carrying out; The acetic acid salt spray test is undertaken by ASTM method B-287-74 standard; Moisture test is undertaken by ASTM D-2247-8 standard.Boiling water soaks examination to carry out as follows: the crooked and reverse impact of 2T is carried out in test piece treated and that be coated with lacquer be out of shape.Then, in normal pressure boiling water, sample was soaked 10 minutes, and check the zone that had the greatest impact by T-bending and reverse impact, to measure the paint film per-cent of originally on these zones, now having peeled off.A numeral of/10th with unstripped paint film percentage ratio is come classification.Like this, best possible grade is 10, and the expression nothing is peeled off; Class 5 represents to have 50% to peel off, by that analogy.
Particular composition
Embodiment 1:
5.6 part (deal) amorphous fuming silicon-dioxide
396.2 part (weight) deionized water
56.6 part moisture hydrofluotitanic acid of (weight) 60W/O
325.4 part (weight) deionized water
(described polymkeric substance is poly-{ 4-vinyl phenol } Mannich adducts with N-methylglucosamine and formaldehyde 216.2 part (weight) contains the 10W/O water-soluble polymers solid aqueous solution, by U.S. Pat 4,963,596 the 11st hurdle 39-52 capable described preparation).
Embodiment 2
58.8 part moisture hydrofluotitanic acid of (weight) 60W/O
646.6 part (weight) deionized water
5.9 part (weight) amorphous fuming silicon-dioxide
10.5 part (weight) zirconium hydroxide
278.8 used 10W/O water-soluble polymer solution among part (weight) embodiment 1.
Embodiment 3:
62.9 part moisture hydrofluotitanic acid of (weight) 60W/O
330.5 part (weight) deionized water
6.2 part (weight) amorphous fuming silicon-dioxide
358.9 part (weight) deionized water
241.5 used 10W/O water-soluble polymer solution among part (weight) embodiment 1
Embodiment 4
56.4 part moisture hydrofluotitanic acid of (weight) 60W/O
2.1 part (weight) Aerosil
RR-972 (a kind of surface treated dispersed silicon dioxide)
56.4 part (weight) deionized water
667.0 part (weight) deionized water
218.1 used 10W/O water-soluble polymer solution among part (weight) embodiment 1
Embodiment 5:
58.8 part moisture hydrofluotitanic acid of (weight) 60W/O
3.7 part (weight) amorphous fuming silicon-dioxide
10.3 part (weight) zirconyl carbonate
647.7 part (weight) deionized water
279.5 used water-soluble polymer solution among part (weight) 10W/O embodiment 1.
Embodiment 6
52.0 part moisture hydrofluotitanic acid of (weight) 60W/O
297.2 part (weight) deionized water
3.3 part (weight) amorphous fuming silicon-dioxide
9.1 part (weight) alkaline carbonic acid zirconium
273.6 part (weight) deionized water
364.8 used 10 O/W water-soluble polymer solutions among part (weight) embodiment 1.
Embodiment 7:
11.0 part (weight) amorphous fuming silicon-dioxide
241.0 part (weight) deionized water
114.2 part moisture hydrofluotitanic acid of (weight) 60W/O (weight)
The aqueous composition that part 633.8 (weight) is mixed with by following ingredients:
5.41% part of (weight) CrO
3
The granular W-Gum of 0.59% (weight)
94% (weight) water
For each embodiment among the embodiment 1-6, according to illustrated order, adding has in the container of agitator with each composition.(the Glass Containers thing chemistry etch that easily is combined, generally preferably need not, even laboratory scale is also like this; Such as the container of 316 type class austenite stainless steels, and use the container with its lining that anti-corrosion plastics are made such as tetrafluoroethylene or chloro trifluoro-ethylene polymkeric substance or complete, proved gratifying.) at each these embodiment (except that embodiment 4), after adding silica component and before lacquer adds listed subsequently component, need the temperature of mixture heating up to 38-43 ℃ of scope, and in this temperature range 20-30 minute time of maintenance.Then, mixture is chilled to temperature below 30 ℃, and, adds all the other compositions while stirring, after each interpolation, all obtain settled solution not in addition under the situation of heating.
For embodiment 4, used SiO
2The surface has been used silane-modified, and because the mixture that it has hydrophobicity needs to contain this form silicon-dioxide heated 1.5 hours down at 70 ℃, just can reach transparent.All the other steps of this method are identical with embodiment 1.
For embodiment 7, listed first three planted composition mix, and under 40 ± 5 ℃, be incubated 10 minutes while stirring, then cooling.In another independent container, with CrO
3Be dissolved in the water that is about 15 times of itself weight, and in this solution, add the slurry that W-Gum is become in 24 times of water of itself weight.Then, under 88 ± 6 ℃, gentle agitation limit, limit insulation 90 minutes is to become trivalent chromium with the part hexavalent chrome reduction with this mixture.At last, this mixture is cooled off while stirring.Be added to then in the previously prepared heated mixt of forming by hydrofluotitanic acid, silicon-dioxide and water.The said composition employing is as known in the art uses the composition using method that contains sexavalence and trivalent chromium and dispersed silicon dioxide, but it has more package stability, does not produce to be separated.
Comparative Examples 1
18.9 part moisture hydrofluotitanic acid of (weight) 60W/O
363.6 used 10W/O water-soluble polymer solution among part (weight) embodiment 1
617.5 part (weight) deionized water
Comparative Examples 2
18.9 part moisture hydrofluotitanic acid of (weight) 60W/O
71.8 used 10W/O water-soluble polymer solution among part (weight) embodiment 1
909.3 part (weight) deionized water
For Comparative Examples 1 and 2, the listed order of each component under agitation adds together, will not heat before the process metal surfaces being used for.Under tabulate among the 1-5, the test-results of feeding quantity, used specific paint and some above-mentioned compositions is shown.
Table 1: be coated with Duracron with PPG
TMThe test piece of 1000 white individual layer acrylic acid or the like paint
Handle boiling water coating wt HAC salt fog humidity
2T bend crash 504h 1008h embodiment 19 10 65mg/m
2E 0-1
3Vf9
In Ti s 0-1
3Embodiment 19 10 43mg/m
2E 0-1
sVf9
In Ti e 0-1
sComparative Examples 1 55 7 39mg/m
2E 0-1
sD9
In Ti s 0-2
sComparative Examples 100 27mg/m
2E 0-1
sD9
In Ti s 0-2
sComparative Examples 278 65mg/m
2E 0-1
sVf9
In Ti s 0-1
sComparative Examples 246 29mg/m
2E 0-1
sFm9
In Ti s 0-1
s
Table 2: be coated with Lilly
TMThe test piece of Colonial white single-layer polyester
Handle boiling water coating wt HAC salt fog salt fog humidity
2T bend crash 504h 1008h 1008h embodiment 458 65mg/m
2E N e N
In Ti s N s N vf
9Embodiment 5 10 10 22mg/m
2E N e N
In Ti s N s N vf
9Embodiment 5 10 10 54mg/m
2E N e N
S N s N vf
9Embodiment 6 10 10 22mg/m e 0-1
sE N
S N s N vf
9Embodiment 6 10 10 54mg/m
2E 0-1
sE N
s N s N vf
9
Table 3: be coated with Lilly
TMBoiling water coating wt HAC salt fog salt fog 1008 humidity are handled in the test piece of black single-layer polyester
2T bend crash 504h h 1008h embodiment 2 10 10 54mg/m
sE 0-1
sE N
In Ti s N s N vf
9Embodiment 3 10 10 64mg/m
2E 0-2
s0-1
s
In Ti s 0-2
sS N vf
9
Table 4: be coated with Valspar/Desoto
TMBoiling water coating wt HAC salt fog salt fog humidity is handled in the test piece of white single-layer polyester
2T bend crash 1008h 1008h 1008h embodiment 2 10 10 39mg/m
2E 0-1
sE N
In Ti s 0-1
2S N vf
9Embodiment 2 10 10 48mg/m
2E 0-1
sE N
In Ti s 0-1
sE N vf
9Embodiment 2 10 10 70mg/m
2E 0-2
sE N
In Ti/ s 0-1
sS N vf
9Embodiment 2 10 10 87mg/m
2E N e 0-1
s
In Ti s 0-1
sS N vf
9Embodiment 3 10 10 29mg/m
2E 0-2
sE N
In Ti s 0-1
sS N vf
9Embodiment 3 10 10 42mg/m
2E 0-1
sE N
In Ti s 0-1
sS N vf
9Embodiment 3 10 10 57mg/m
2E 0-1 e N
In Ti s 0-1
sS N vf
9Embodiment 3 10 10 82mg/m
2E 0-2
sE 0-1
s
In Ti s 0-2
sS N vf
9Embodiment 47 10 65mg/m
2E 0-1
sE N
In Ti s 0-1
sS N vf
9
Table 5: be coated with Valspar
TMBoiling water coating wt HAC salt fog salt fog humidity is handled in the test piece of Colonial white single-layer polyester
2T bend crash 504h 1008h 1008h embodiment 2 10 10 54mg/m
2E N e N
In Ti s N s N Fm
9Embodiment 3 10 10 64mg/m
2E 0-1
sE 0-1
s
In Ti s N s 0-1
sFm
9Except that embodiment 2, the composition package stability among above-mentioned all embodiment is failed to observe after storing at least 1500h and is separated, and this represents excellent storage stability.As for embodiment 2, the sedimentation of more discernable a small amount of visible solid phase behind 150h.
For obtaining the result who is write down in following each table, another kind of method and another kind of aluminium alloy have been used by process metal surfaces of the present invention.Specifically, the test piece of 5352 or 5182 type aluminium is following to containing 249/L PARCO at 55 ℃
R10 seconds of aqueous cleaning solution hydro-peening of clean-out system 305 (can buy) from the Parker+Amchem portion of Henkel joint stock company of Michigan, United States Madison Heights.After the cleaning, use the hot wash test piece; Spray 5 seconds kinds each relevant treatment solution of the present invention then, treatment solution spray with the treatment solution that above-mentioned same embodiment numbers in institute, just is diluted with water to following concentration shown in respectively showing; Wash with water then and drying, with post coat.
In following each table, the crooked " of " OT has write down on the hurdle test-results by following test procedure:
1. carry out the O-T bending by ASTM method D4145-83.
2. lastblock #610Scotch is firmly pasted at place, the plane of O-T knee in test piece and adjacency
Adhesive tape.
3. slowly take adhesive tape off from the plane of knee and adjacency.
4. repeating step 2 and 3 repeats all to use new adhesive tape at every turn, till the no longer sticking paint film down of adhesive tape.
5. observed to the big distance of being stripped from the plane from the O-T knee to paint by following grade record:
Paint loses the mm grade
0 5.0
0.8 4.5
1.6 4.0
2.4 3.5
3.2 3.0
4.0 2.5
4.8 2.0
5.6 1.5
6.4 1.0
7.2 0.5
>7.2 0
90 minutes steam exposure " of " hurdle in following each table, write down the following result who tests:
1. will paint test piece in pressure cooker or autoclave, be placed on 120 ℃ of steam 90 minutes.
2. with each Gardner intersection graver of 11 blades of 1.5mm apart is housed, vertical cut is arranged in the delineation two that intersects in the japanning test piece.
3. firmly stick #610 Scotch in delineation place
TMAdhesive tape, and take adhesive tape off.
4. check and intersect delineation place, and write down the numeral of left paint film percentage ratio 1/10th not by the sticking paint film that goes of adhesive tape.
5. with the microscope of 10-80 magnification, observe the foaming situation of delineating the district of intersecting, and blistered size and density are defined the level.
" in following each table boiled DOWFAX in 15 minutes
TM2A1 soaks the " hurdle, has write down the result who tests after handling:
1. prepare 1% (volume) DOWFAX
TMThe deionized water solution of 2A1, and boil.
2. test piece is dipped in the boiling liquid that above-mentioned steps 1 prepared and kept therein 15 minutes; Take out test piece then, washing and drying.
DOWFAX
TM2A1 can be available from DOW chemical company, and described according to the supplier, it contains 45% active dodecyl phenylate sodium disulfonate." after this is handled intersects delineation " test, to carry out with the method for step 2-4 behind 90 minutes steam exposure " of above-mentioned "." reverse impact " test is undertaken by ASTM D2704-84E1 (being applicable to the impact of 20 inch-pounds), then with the method with step 3-4 behind 90 minutes steam exposure " of above-mentioned ".It is as follows that " " pinniform slight crack " test is carried out: with one the family expenses cutter, carve the " V " font of slight curvature at the test piece back side.Cut off about 12mm along the indentation bottom with scissors.The inboard of V is bent away from the test side.Test piece is sandwiched in the bench vice, draws with continuous movement slowly with hand vice and pull the folding part.Ignore in the top edge of the most close angle point and be parallel to this top edge but with it at a distance of the test piece part between the straight line of 19mm.On the rest part of test piece, be the pinniform slight crack that the edge is arrived in the unit measurement with mm.Write down observed to maximum value.
Test the result of gained by above steps, be shown in down tabulation 6 to table 8.
Table 6: be coated with Valspar
TM5128 alloy test pieces of S-9835002 lacquer
Present composition concentration PH coating wt boiled DOWFA in 15 minutes
X
TMThe 2A I is soaked
Intersect and delineate reverse impact pinniform slight crack embodiment 1 1% (weight) 2.9 7.9mg/m
210 10 0.35
In Ti
Table 7: be coated with Valspar
TM5352 alloy test pieces of S-9009-139 lacquer
Composition concentration PH coating wt OT of the present invention steamed in crooked 90 minutes
Vapour exposes
The delineation that intersects is bubbled
Embodiment 1 1% 2.7 4.0 5 10 seldom
Mg/m
2Little of medium
In Ti
Embodiment 1 1% 3.2 11.4 5 10 is few
Mg/m
2Little
In Ti
Embodiment 1 3% 2.5 2.3 5 10 seldom
mg/m
2
In Ti 5 10 seldom
Very little
Only few through cleaning (for contrast) N/A 1.5 10
Medium
Table 8: be coated with Valspar
TMThe crooked 90 minutes steam of 5352 alloy test piece present composition concentration PH coating wt OT of S-9009-154 paint
Dew is put
Intersect delineation foaming embodiment 1 1% 2.9 4.2 5 9-10 seldom
Mg/m
21 in little embodiment 1 3% 2.7 2.6 5 9-10 of Ti seldom
mg/m
2
Very little in Ti
Claims (6)
1. with the method for a kind of metal treatment solution-treated metallic surface, described metal treatment solution is prepared by the method that comprises the following steps:
(I) provides a kind of water and following component (A) and mixture (B) of containing
(A) be selected from H
2TiF
6, H
2ZrF
6, H
2HfF
6, H
2SiF
6, H
2GeF
6, H
2SnF
6, HBF
6And composition thereof dissolved constituent, and
(B) be selected from Ti, Zr, Hf, Al, Si, Ge, Sn and B, the oxide compound of above-mentioned each element, oxyhydroxide and carbonate, and any two or more above-mentioned element, oxide compound, oxyhydroxide and carbonate mixture dissolving, dispersion or not only dissolved but also the dispersive component;
(II) is under sufficiently high temperature, the mixture that forms in the step (I) is stirred the sufficiently long at least time, make and do not have the sign that is separated that can observe with the naked eye in the described mixture, and enough stable, can in 100 hours, keep not occurring any with the naked eye observable sign that is separated at least when being enough under 20-25 ℃ temperature, store;
The same component of mixture (C) that gained stirred when (III) will be finished by step (II) is mixed, form under a kind of temperature in 20-25 ℃ of scope the be separated stabilized mixture of sign of a visible in can keeping at least not occurring in 100 hours when storing, described component (C) is selected from (1) X-(N-R
1-N-R
2-aminomethyl)-and the mixture of 4-hydroxyl-cinnamic water-soluble and aqueous dispersion polymers and multipolymer and two or more this polymkeric substance and multipolymer, X=2,3,5 or 6 in the formula, R
1Representative contains the alkyl of 1-4 carbon atom, R
2Representing general formula is the substituting group of H (CHOH) n-, and wherein n is the integer of 3-8; And (2) dissolved sexavalent chrome;
Described method comprise be selected from following (1 ' .1) and (step (1 ') of 1 ' .2):
(1 ' .1) at the described metal treatment solution of metallic surface coating one deck, the thickness of this layer makes it contain the element that is selected from Ti, Zr, B, Si, Ge, Sn that total amount is 1-300mg on every square metre metallic surface, and without centre washing, directly the coating with this metal treatment solution is dried on the described metallic surface;
(1 ' .2) makes the metallic surface contact 1-1800 second with described metal treatment solution at 25-90 ℃, and they are disengaged, described metallic surface is washed with water, and dry washed metallic surface.
2. the described method of claim 1, wherein, (ⅰ) mixture that provided of step (I) contains total amount be selected from H in the 0.01-7.0M scope
2TiF
6, H
2ZrF
6, H
2HfF
6, H
2SiF
6, HBF
4And composition thereof material, and the ratio of the equivalents of the mole number of component (A) and component (B) is in 1: 1 to 50: 1 scope; (ⅱ) in step (II), mixture kept 3-480 minute time under the temperature of 25-100 ℃ of scope; And (ⅲ) component (C) comprises the X-(N-R of certain total amount
1-N-R
2-aminomethyl)-4-hydroxyl-cinnamic water-soluble and aqueous dispersion polymers and multipolymer, the ratio of gross weight that makes the weight of described water-soluble and aqueous dispersion polymers and multipolymer and component (A) is in 0.1: 1 to 3: 1 scope, X=2,3,5 or 6 in the formula, R
1Representative contains the alkyl of 1-4 carbon atom, R
2Representing general formula is the substituting group of H (CHOH) n-, and wherein n is the integer of 3-8.
3. the described method of claim 2 wherein, (ⅰ) contains total amount and be selected from H in the 0.1-6.0M scope in the mixture that step (I) is provided
2TiF
6, H
2ZrF
6, H
2SiF
6And composition thereof material, and the mole number of component (A) is domestic at 1.5: 1.0 to 20: 1 model with the ratio of the total yield number of oxide compound, oxyhydroxide and the carbonate of silicon, zirconium and aluminium, and this mixture pH value is in 0 to 4 scope; (ⅱ) in step (II), described mixture was kept under the temperature of 30-80 ℃ of scope 5 to 90 minutes; And (ⅲ) component (C) comprises the X-(N-R of certain total amount
1-N-R
2-aminomethyl)-4-hydroxyl-cinnamic water-soluble and aqueous dispersion polymers and multipolymer, the ratio of gross weight that makes the weight of described water-soluble and aqueous dispersion polymers and multipolymer and component (A) is in 0.2: 1 to 2: 1 scope, X=2,3,5 or 6 in the formula, R
1Representative contains the alkyl of 1 to 4 carbon atom, and R
2Representing general formula is the substituting group of H (CHOH) n-, and wherein n is 3 to 8 integer.
4. the described method of claim 3, wherein, (ⅰ) ratio of the mole number of component (A) and the total yield number of oxide compound, oxyhydroxide and the carbonate of silicon, zirconium and aluminium is in 1.5: 1.0 to 5: 1 scope in the mixture that provided of step (I), and its pH value is in the scope of 0-2; (ⅱ) in step (II), mixture is kept the time of 10-30 minute scope under the temperature of 30-80 ℃ of scope; And (ⅲ) component (C) comprises the X-(N-R of certain total amount
1-N-R
2-aminomethyl)-4-hydroxyl-cinnamic water-soluble and aqueous dispersion polymers and multipolymer, the ratio of gross weight that makes the weight of described water-soluble and aqueous dispersion polymers and multipolymer thereof and component (A) is in 0.20: 1 to 1.6: 1 scope, X=2,3,5 or 6 in the formula, R
1Representative contains the alkyl of 1-4 carbon atom, R
2Then representing general formula is the substituting group of H (CHOH) n-, and wherein n is the integer of 3-8.
5. the described method of claim 3 wherein, (ⅰ) contains the H of total amount in the 0.1-6.0M scope in the mixture that step (I) is provided
2TiF
6, and H
2TiF
6The ratio of mole number and the total yield number of silicon-dioxide in 1.5: 1.0 to 5: 1 scope, and its pH value is in the scope of 0.0-1.0; And (ⅱ) component (C) comprises the X-{[(N-methylamino-of certain total amount) glucose amino] methyl }-4-hydroxyl-cinnamic water-soluble and aqueous dispersion polymers and multipolymer, make the weight and the H of described water-soluble and aqueous dispersion polymers and multipolymer
2TiF
6The ratio of gross weight in 0.20: 1 to 1.6: 1 scope.
6. each method among the claim 1-5, wherein: (1 ' .1), described metal treatment solution coatings contains the element that is selected from Ti, Zr, B, Si, Ge, Sn that total amount is 5-100mg on every square metre of metallic surface if adopt step; If (1 ' .2), described contact temperature is 30-60 ℃, and be 3-30 second duration of contact, and the washing after drying used time of washed metallic surface is 2-50 second to adopt step.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/862,012 US5281282A (en) | 1992-04-01 | 1992-04-01 | Composition and process for treating metal |
US862,012 | 1992-04-01 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN93105207A Division CN1034683C (en) | 1992-04-01 | 1993-04-01 | Composition and process for treating metal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1151449A CN1151449A (en) | 1997-06-11 |
CN1067447C true CN1067447C (en) | 2001-06-20 |
Family
ID=25337392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96109425A Expired - Fee Related CN1067447C (en) | 1992-04-01 | 1996-08-09 | Composition and process for treating metal |
Country Status (12)
Country | Link |
---|---|
KR (1) | KR950701012A (en) |
CN (1) | CN1067447C (en) |
BR (1) | BR9306172A (en) |
DE (1) | DE69311802T2 (en) |
ES (1) | ES2106330T3 (en) |
HK (1) | HK1008057A1 (en) |
MD (1) | MD960268A (en) |
MX (1) | MX9301865A (en) |
MY (1) | MY107679A (en) |
RU (1) | RU2125118C1 (en) |
SG (1) | SG54220A1 (en) |
TW (1) | TW227578B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100370061C (en) * | 2005-04-12 | 2008-02-20 | 沈阳工业大学 | Magnesium and magnesium alloy chemical oxidation process |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106574372B (en) * | 2014-01-23 | 2020-11-24 | 凯密特尔有限责任公司 | Method for coating metal surfaces, substrates coated thereby and use thereof |
WO2017046139A1 (en) * | 2015-09-15 | 2017-03-23 | Chemetall Gmbh | Pre-treating aluminum surfaces with zirconium- and molybdenum-containing compositions |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517028A (en) * | 1982-04-07 | 1985-05-14 | Parker Chemical Company | Treatment of metal with derivative of poly-alkenylphenol |
DE3512442A1 (en) * | 1984-04-10 | 1985-10-31 | Nihon Parkerizing Co. Ltd., Tokio/Tokyo | METHOD FOR SURFACE TREATMENT OF ALUMINUM |
DE3517280A1 (en) * | 1984-05-18 | 1985-11-28 | Parker Chemical Co., Madison Heights, Mich. | METHOD FOR TREATING METAL SURFACES |
US4921552A (en) * | 1988-05-03 | 1990-05-01 | Betz Laboratories, Inc. | Composition and method for non-chromate coating of aluminum |
US5089064A (en) * | 1990-11-02 | 1992-02-18 | Henkel Corporation | Process for corrosion resisting treatments for aluminum surfaces |
-
1993
- 1993-03-26 SG SG1996004774A patent/SG54220A1/en unknown
- 1993-03-26 DE DE69311802T patent/DE69311802T2/en not_active Expired - Fee Related
- 1993-03-26 ES ES93907635T patent/ES2106330T3/en not_active Expired - Lifetime
- 1993-03-26 RU RU94042462A patent/RU2125118C1/en active
- 1993-03-26 MD MD96-0268A patent/MD960268A/en unknown
- 1993-03-26 BR BR9306172A patent/BR9306172A/en not_active IP Right Cessation
- 1993-03-31 MY MYPI93000575A patent/MY107679A/en unknown
- 1993-03-31 MX MX9301865A patent/MX9301865A/en not_active IP Right Cessation
- 1993-04-08 TW TW082102591A patent/TW227578B/zh active
-
1994
- 1994-10-01 KR KR1019940703501A patent/KR950701012A/en active IP Right Grant
-
1996
- 1996-08-09 CN CN96109425A patent/CN1067447C/en not_active Expired - Fee Related
-
1998
- 1998-06-27 HK HK98107107A patent/HK1008057A1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517028A (en) * | 1982-04-07 | 1985-05-14 | Parker Chemical Company | Treatment of metal with derivative of poly-alkenylphenol |
DE3512442A1 (en) * | 1984-04-10 | 1985-10-31 | Nihon Parkerizing Co. Ltd., Tokio/Tokyo | METHOD FOR SURFACE TREATMENT OF ALUMINUM |
DE3517280A1 (en) * | 1984-05-18 | 1985-11-28 | Parker Chemical Co., Madison Heights, Mich. | METHOD FOR TREATING METAL SURFACES |
US4921552A (en) * | 1988-05-03 | 1990-05-01 | Betz Laboratories, Inc. | Composition and method for non-chromate coating of aluminum |
US5089064A (en) * | 1990-11-02 | 1992-02-18 | Henkel Corporation | Process for corrosion resisting treatments for aluminum surfaces |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100370061C (en) * | 2005-04-12 | 2008-02-20 | 沈阳工业大学 | Magnesium and magnesium alloy chemical oxidation process |
Also Published As
Publication number | Publication date |
---|---|
RU2125118C1 (en) | 1999-01-20 |
HK1008057A1 (en) | 1999-04-30 |
BR9306172A (en) | 1998-01-13 |
MX9301865A (en) | 1993-11-01 |
ES2106330T3 (en) | 1997-11-01 |
DE69311802D1 (en) | 1997-07-31 |
MD960268A (en) | 1998-10-31 |
SG54220A1 (en) | 1998-11-16 |
CN1151449A (en) | 1997-06-11 |
DE69311802T2 (en) | 1998-02-12 |
MY107679A (en) | 1996-05-30 |
KR950701012A (en) | 1995-02-20 |
RU94042462A (en) | 1997-05-27 |
TW227578B (en) | 1994-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1034683C (en) | Composition and process for treating metal | |
CN1059936C (en) | Composition and process for treating metal | |
CN1177952C (en) | Surface treatment composition for metallic material and method for treatment | |
JP5570452B2 (en) | Surface treatment composition | |
CN1324100C (en) | Chromium-free metal surface treatment agent | |
CN1178999C (en) | Water-based surface-treating agent for metallic material | |
US9469903B2 (en) | Mildly alkaline thin inorganic corrosion protective coating for metal substrates | |
CN1040811A (en) | Be used for the surface-treated method and composition | |
CN1950543A (en) | Coloured conversion layers on metallic surfaces | |
CN1381532A (en) | Nonchromate metal surface finishing agent, surface handling and method and processed steel products | |
CN1195893C (en) | Non-chromated oxide coating for aluminum substrates | |
CN1237126C (en) | Electric steel plate capable of relieving stress annealing and having high performance of solvent-resisting | |
CN1473179A (en) | Aluminium pigment compositon | |
CN1067447C (en) | Composition and process for treating metal | |
JPWO2017163446A1 (en) | Film-forming composition and method for treating metal material | |
CN1906257A (en) | Latex paint compositions and coatings | |
CN1081663C (en) | Polymeric compound composition and process for surface treating aluminium-containing metal material | |
CN1769530A (en) | Chromium-free metal surface treatment agent | |
CN1694930A (en) | Light interference multi-layered film-coated powder design method, manufacturing method, and light interference multi-layered film-coated powder | |
CA2762644C (en) | Mildly alkaline thin inorganic corrosion protective coating for metal substrates | |
JP6195711B6 (en) | Weak alkaline thin inorganic corrosion protection coating for metal substrates | |
CN1667056A (en) | Electrical sheet capable of eliminating stress annealing with excellent solvent resistance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1028827 Country of ref document: HK |