EP1294834B1 - Procede de traitement ou de pretraitement de contenants - Google Patents

Procede de traitement ou de pretraitement de contenants Download PDF

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Publication number
EP1294834B1
EP1294834B1 EP01945168.1A EP01945168A EP1294834B1 EP 1294834 B1 EP1294834 B1 EP 1294834B1 EP 01945168 A EP01945168 A EP 01945168A EP 1294834 B1 EP1294834 B1 EP 1294834B1
Authority
EP
European Patent Office
Prior art keywords
agent
use according
treatment
pretreatment
atoms
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
Application number
EP01945168.1A
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German (de)
English (en)
Other versions
EP1294834A2 (fr
Inventor
Karl-Heinz Bischoff
Mats Eriksson
Norbert Kliehm
Lars Sebralla
Markus Wahren
Manfred Walter
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Chemetall GmbH
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Chemetall GmbH
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
Priority claimed from DE10026846A external-priority patent/DE10026846A1/de
Priority claimed from DE10049005A external-priority patent/DE10049005A1/de
Application filed by Chemetall GmbH filed Critical Chemetall GmbH
Publication of EP1294834A2 publication Critical patent/EP1294834A2/fr
Application granted granted Critical
Publication of EP1294834B1 publication Critical patent/EP1294834B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C10M173/025—Lubricating compositions containing more than 10% water not containing mineral or fatty oils for lubricating conveyor belts
    • 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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • 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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/06—Peroxides; Ozonides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/09—Complexes with metals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/06—Groups 3 or 13
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/40—Low content or no content compositions
    • C10N2030/42—Phosphor free or low phosphor content compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/38—Conveyors or chain belts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/015—Dispersions of solid lubricants
    • C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating

Definitions

  • the invention relates to a method for the treatment or pretreatment of containers made of aluminum, aluminum-containing alloys, magnesium-containing alloys, iron materials such as steel, coated iron materials such as galvanized steel, galvanized or coated with aluminum or aluminum alloys metallic materials, tinplate, brass or bronze ,
  • containers may include pouches, bags and similar packages, bottles, cans, canisters, barrels, pods, e.g. Be screwed.
  • containers are prepared in a continuous pre-treatment plants for painting.
  • Such containers are produced in mass production using foils, sheets or moldings of aluminum, aluminum alloys or tinplate and after cleaning, pretreatment, painting and drying with drinks, food or other products filled and closed or closed.
  • Cans are pretreated in most can pretreaters at a rate in the range of 500 to 5000 cans per minute. Therefore, high demands are placed on the speed of all processes and on the secure mastery of all process steps. In addition, high demands are placed on the sliding properties of the container in the continuous pretreatment plant including printer or paint shop and on the adhesion for paint or other subsequent coatings and corrosion resistance.
  • EP-A-0 413 328 and EP-A-0 542 378 describe methods of coating aluminum cans with a lubricant consisting essentially of ethoxylated compounds, especially surfactants.
  • US-A-5,061,389 teaches a treatment agent based on polyethylene glycol ester and optionally a fluoride.
  • EP-A-0 612 833 describes a treatment agent for metal cans containing an ester based on polyglycerol and fatty acid.
  • the object of the invention is to overcome the disadvantages of the prior art and in particular to propose a simpler and more cost-effective method for the treatment or pretreatment of containers that at the very high speeds of mass production safe pretreatment or treatment and high corrosion protection, a good paint adhesion and excellent lubricity of coated and dried containers offers.
  • the treatment or pretreatment agent is preferably in the form of an aqueous solution and / or dissolved in an organic solvent. However, it may also be a dispersion.
  • the agent for the treatment or pretreatment contains - in the case of a mixture - or / and is not only well suited according to the invention with regard to paint adhesion and corrosion protection, but at the same time a good one Lubricant, so that hereby (pre) treated, in particular sprayed, outer parts better when contact similar container with each other or with the guides of the system.
  • the treatment or pretreatment with solutions according to the invention can also be carried out on already treated or pretreated container surfaces, especially if the paint adhesion and / or the corrosion protection of the preceding treatment or pretreatment is not yet good enough and a combination of particularly high quality Properties should be achieved.
  • the pretreatment agent which simultaneously contains or is a lubricant, it is referred to only as the treatment agent, though in some cases it additionally or solely serves the pre-treatment.
  • the lubricant can develop its effect only after application of the coating according to the invention. Therefore, the term "lubricant contained in the treating agent or as a treating agent is also a lubricant" means an agent whose effect can be detected only after coating and after drying of this coating.
  • the coating may consist of at least one chemical compound, which is possibly formed only in contact with a solvent or / and the substances contained in the solution or dispersion and / or drying, heating or / and polymerizing and only in the coating as Lubricant acts.
  • the use according to the invention relates to the treatment or pretreatment of containers made of aluminum, aluminum-containing alloys, magnesium-containing alloys, iron materials such as steel, coated iron materials such as galvanized steel, galvanized or coated with aluminum or aluminum alloys metallic materials, tinplate, brass or bronze, in which the steps of the treatment or pretreatment coincide with the application of the lubricant, the pretreatment or treatment agent which also contains or contains a lubricant not being essentially titanium or / and zirconium with fluoride and polymer ,
  • the use according to the invention is used in particular for the treatment or pretreatment of containers of aluminum, aluminum-containing alloys, magnesium-containing alloys, steel or tinplate, in particular of bags, bags, bottles, cans, cans or barrels, this being for the treatment or pretreatment applied agent is also a lubricant at the same time.
  • pouches and bags may be made of metallic foils and / or laminates.
  • the preferred containers to be coated include pouches, bags, bottles, cans, canisters, barrels and pods;
  • the sleeves include, in particular, single-part or multi-part sleeves, cartridge cases, tablet sleeves, closure sleeves, such as e.g. Screw caps and cigar tubes.
  • the metallic materials to be coated include in particular galvanized metallic substrates, which may have been galvanized in different ways, as well as other zinc-containing coatings such as Galfan R , Galvalume R and Galvanneal R and tinned steel.
  • silicon-containing alloys which may contain, for example, aluminum, magnesium or / and silicon contents and in which the contents of these elements may be contained in different forms, for example as an element or as an intermetallic compound and in which the contents Of aluminum, magnesium or / and silicon are often only in the order of about 0.3 to 3%.
  • a conversion coating of the first or / and second type is produced.
  • the conversion coating of the first type atoms are dissolved out of the metallic surface, which if appropriate react as ions with atoms or ions from the treatment agent and produce a conversion layer on the surface.
  • the second type conversion coating atoms or ions of the treating agent having atoms of the surface of the substrate remaining in the surface form a chemical bond to form a conversion layer.
  • the latter type of conversion coating occurs in particular for compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X *.
  • the treating agent may be an aqueous solution or an aqueous dispersion.
  • the term dispersion here also includes emulsions and suspensions.
  • the treatment agent used for the inventive use is preferably free or substantially free of fluoride or of a combination of fluoride and polymer. In some cases, however, a small content of complex fluoride may be advantageous.
  • phosphate content is calculated in each case as PO 4 .
  • the treatment agent is advantageously free or substantially free of chromium.
  • substantially free of chromium refers to no intentional addition of a chromium compound during treatment or pretreatment. However, it can not be excluded that traces of chromium are dissolved out of the substrate, that traces of chromium are contained in the compounds used of the treatment agent and / or are introduced by one of the previous baths.
  • the treatment agent is preferably free or substantially free of iron, manganese, nickel, cobalt, copper, other steel refiners or / and zinc, in particular free or substantially free of heavy metals of all kinds. It is advantageous if it especially free or substantially free of nickel, cobalt, copper and / or other transition metals.
  • the term "largely free of " has a similar meaning as before with the chromium content. In the case of a possibly occurring staining effect, however, the elements which are located in the pickled metallic surface are usually also incorporated in the bath, ie usually the elements of the metal or the alloy of the metallic surface.
  • the treatment agent may consist essentially of compounds based on compounds of the type X * Y * Z * or / and X * Y * Z * Y * X * or in particular of phosphonate.
  • it may in particular in each case at least one biocide, a demulsifier, a fragrance, an emulsifier, a defoamer, a solubilizer, a surfactant, a pH adjusting agent, a means for adjusting the electrical conductivity and / or at least one other Excipient included.
  • the other auxiliaries required for such solutions or dispersions are generally known to the person skilled in the art.
  • the treatment agent of the invention may be free or substantially free of ethoxylated compounds, preferably free or substantially free of all types of surfactants.
  • the treatment or pretreatment agent which is possibly a lubricant, contains at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * .
  • Y is an unbranched alkyl group having 10 to 20 carbon atoms
  • the means for the treatment or pretreatment which is possibly a lubricant, contain at least one compound of the type XYZ, where X is a COOH, HSO 3 , HSO 4 , (OH) 2 PO, (OH) 2 PO 2 , (OH) (OR ') PO or (OH) (OR') PO 2 group is where Y is an unbranched alkyl group R containing 10 to 20 C atoms, of which at least 60% of these C atoms are present as CH 2 groups, wherein Z is an (OH) 2 PO, (OH) 2 PO 2 , (OH) (OR ') PO or (OH) (OR') PO 2 group, wherein R 'is an alkyl group of 1 to 4 C atoms is and wherein R "is an H atom or an alkyl group having 1 to 4 C atoms.
  • X is a COOH, HSO 3 , HSO 4 , (OH) 2 PO, (OH) 2 PO 2 , (OH) (OR ') PO
  • the groups X * and Z * of the compound of the type X * Y * Z * or / and X * Y * Z * Y * X * are each bonded to the group Y * in their end position.
  • the compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * may be suitable for forming self-assembling molecules ("SAMs"), which themselves form a layer
  • SAMs self-assembling molecules
  • Y or Y * can be a linear unbranched group, in particular a monomolecular layer.
  • the coating Due to the often rapid coating, the coating can be incomplete - incredibly almost without any effect on the properties of the coating becoming apparent.
  • the coating may be partly in a regular arrangement and partially irregular, with the regularly arranged lots often being monomolecular. Despite this very low coverage, this coating has excellent properties, in particular excellent sliding properties, paint adhesion and corrosion resistance. It is therefore extremely economical to use and also environmentally friendly.
  • Y or Y * is a linear, unbranched or branched chain, optionally with at least one functional group, in particular a chain with at least one alkyl group or / and an aromatic group.
  • the more effective compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * often have a group Y or Y * which has an even number of C atoms.
  • At least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * can hereby be present in an aqueous solution as salt and / or as acid.
  • the group Y or Y * of the more effective compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * may be an unbranched straight-chain alkyl group having 10 to 20 carbon atoms.
  • the treating agent may also contain at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * wherein Y or Y * is an unbranched alkyl group of 10 to 18 carbon atoms.
  • It may also contain at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X *, where X or X * is an (OH) 2 PO 2 - or (OH) ( OR ') is PO 2 group.
  • the treatment agent or pretreatment with at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * is contained in an aqueous solution, wherein in particular 0.01 to 50% the water by at least one organic solvent such as may be replaced by an alcohol having 1 to 8 carbon atoms, by acetone, by dioxane or / and by tetrahydrofuran.
  • 0.1 to 50% of the water, more preferably 0.5 to 30% of the water is replaced by an organic solvent, which is in particular at least one alcohol having 1 to 4 carbon atoms.
  • the pretreatment agent may contain at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * which is in the range of the critical micelle concentration or below, in particular one Concentration of 0.05 to 10 g / L.
  • the concentration is 0.1 to 3 g / L, more preferably 50 to 1000 mg / L, most preferably 100 to 600 mg / L.
  • esters in particular based on phosphon, which are able to positively influence the solubility of the compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * in water.
  • It may in particular be contained in a content of 0.01 to 15 g / L in water or in a water-solvent mixture, preferably in a content of 0.02 to 2 g / L, in particular from 0.05 to 0.3 g / L.
  • contacting the metallic surface in the range of 0.5 seconds to 10 minutes may be sufficient , This is often carried out with a pH in the range of 1 to 10, preferably in the range of 2 to 4; in the coating of containers - especially cans - a mineral acid, e.g. Sulfuric acid is added so that the pH of this aqueous solution is then preferably in the range of 0.5 to 3. It is recommended to use demineralized water, which preferably has an electrical conductivity of ⁇ 120 ⁇ S / cm, particularly preferably ⁇ 5 20 ⁇ S / cm.
  • the coating of the surface with at least one of the compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * may be incomplete.
  • the molecules of this compound (s) need not be aligned as usual in self-organizing molecules perpendicular to the surface and parallel to each other - yet an unexpectedly high efficiency of this coating is guaranteed.
  • the pretreatment agent may only be composed of or substantially composed of compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X with respect to the compounds which form a conversion layer and serve as lubricants * consist.
  • a treatment agent with at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * can also be used for improving corrosion resistance or / and paint adhesion.
  • the pH of the aqueous solution containing at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * may range from 1 to 12, depending on whether is worked with the acids and / or their salts, wherein the best working range can also vary depending on the selected compound. In many cases, the pH can be in the range of 1.5 to 6, preferably in the range of 2 to 4. Aluminum and aluminum alloys have proved to be particularly suitable metallic substrates for these treatment agents.
  • the most diverse treatment agents may preferably also contain at least one defoamer and / or a solubilizer in particular in an amount of in each case 0.0005 to 5 wt .-%, preferably in an amount of in each case optionally 0.005 to 4 wt .-%, in particular in an amount of in each case optionally 0.1 to 3 wt. %.
  • the treatment agent may in addition to water or a water-solvent mixture of at least one compound of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * and optionally consist of biocide, demulsifier, fragrance, emulsifier, defoamer, solubilizer, surfactant, pH adjuster, electrical conductivity adjuster and / or other excipients, and optionally a proportion of an organic solvent.
  • the respective treatment agent can be applied by dipping or rolling, but preferably by spraying, spraying or atomizing, on the containers inside or / and outside, possibly only over a part of the outer and / or inner surface, in particular over a time per container in Range of 0.5 to 120 seconds, preferably in the range of 1 to 80 s, more preferably in the range of 1.5 to 40 s, most preferably in the range of 2 to 20 s.
  • the coating can last longer than 2 minutes, also because alone z.
  • the times of immersion and extension from the bath and draining are significantly longer. The coating times are also dependent on the chosen system technology.
  • At least one rinse is carried out after the application of the treatment agent, in particular with deionized water.
  • the treatment agent may be applied to a cleaned, rinsed or / and pickled surface or to a pre-annealed surface.
  • the surface of the container can be neutral, acid or alkaline cleaned prior to application of the agent for treatment or pretreatment, optionally rinsed, optionally pickled alkaline or acidic and optionally rinsed again, being used as solvent water or / and organic Solvent can be used.
  • a thin activation layer can be applied before the conversion coating, for. B. based on titanium - phosphate.
  • a different treatment or pretreatment agent may be used in a separate treatment step be applied, in particular an agent containing ions selected from the group of Ti, Zr, Hf, Cu, Fe, Mn, Ni, Zn, PO 4 and F.
  • the ions are preferably contained in aqueous solution.
  • the (pre) treated container after application of the agent for treatment or pretreatment which also improves the sliding, rinsed, if necessary rinsed with a rinsing solution, optionally rinsed again and dried, with water as the solvent and / or organic solvents can be used.
  • the process according to the invention can also be modified so that after the application of the treatment agent, which also serves as a lubricant at the same time, it is no longer rinsed.
  • This may in particular apply to beverage cans with compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X *, especially those with self-organizing molecules.
  • Method according to at least one of the preceding claims characterized in that the treatment agent is applied in a belt plant, in particular in pretreatment and painting installations for containers such as e.g. Cans or bags.
  • the treatment agent according to the invention can be applied to the belt for a time in the range of 0.1 to 120 s, preferably for a time in the range of 0.5 to 20 s, while it is preferably applied at a slower application over a time in the range of 1 to 120 s is applied, in particular over a time in the range of 5 to 60 s. In many cases, however, an application over z. B. not more than 10 minutes.
  • the treatment agent can be applied to metallic surfaces of containers which have a temperature in Range from 10 to 120 ° C.
  • the treatment agent may have a temperature in the range of 10 to 95 ° C when applied to the container.
  • the layer of the treatment agent may have a thickness in the range from 0.01 to 3 ⁇ m, preferably in the range from 0.1 to 1 ⁇ m, or from one or a few molecule layers, in particular from 1 to 20 molecule layers, in the case of Compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X *, in which case a coating can be present in particular in the range from 0.1 to 30 nm.
  • the treated or pretreated containers are dried at a temperature of the furnace of at least 180 ° C in series production, in particular at temperatures ⁇ 200 ° C, more preferably at temperatures ⁇ 220 ° C, most preferably at temperatures ⁇ 250 ° C.
  • a temperature of the furnace of at least 180 ° C in series production, in particular at temperatures ⁇ 200 ° C, more preferably at temperatures ⁇ 220 ° C, most preferably at temperatures ⁇ 250 ° C.
  • Cans can reach elevated temperatures in the drying area.
  • the band stoppage can in some cases, e.g. last half an hour or even longer. Such temperatures are particularly advantageous at very high belt speed.
  • the treated or pretreated containers can be mass-dried at a temperature of at most 150 ° C, which is a great advantage for energy saving.
  • the drying temperature is in the range ⁇ 120 ° C, more preferably at temperatures ⁇ 100 ° C, most preferably at temperatures ⁇ 80 ° C, especially at temperatures ⁇ 50 ° C, in particular in the range of room temperature to 90 ° C.
  • the excess pretreatment liquid can be blown off in particular in the form of drops on the container surfaces, wherein the drying temperature depends above all on the particular system and the selected treatment speed.
  • the envelope of hydrophilic to hydrophobic properties of the coated surfaces is used, of which the excess liquid can be particularly easily blow off and Therefore, let's set very low drying temperatures: This process can be made much cheaper due to significantly reduced drying costs.
  • the method according to the invention can furthermore be varied advantageously by pretreating or treating different types of containers for different purposes, in particular different types of cans, on the same system with similar settings and / or in similar baths.
  • the different types of baths may have, for example, the same composition but different concentrations.
  • different container shapes, in particular different container sizes, e.g. for various filling media such as e.g. Beer, mineral water, juice or rice pudding are suitable, since different filling media are often filled in differently shaped containers.
  • At least one lacquer - in particular an electrodeposition lacquer, powder lacquer, coil coating lacquer, wet lacquer, low-solvent high-solid lacquer or / and a water-diluted lacquer at least one different organic coating such as e.g. a primer with contents of inorganic constituents, at least one adhesive layer, at least one film, at least one paper layer and / or at least one printing ink are applied.
  • an angle is called, compared to the acidic cleaned, rinsed in deionized water, (pre) treated and completely dried in a convection oven doses to only acidic cleaned, rinsed in deionized water and completely dried in a convection oven doses of the same type otherwise results in at least 5 ° lower slip angle. This condition makes it possible to subject cans of very different design and size to this test.
  • the cleaned, not yet treated with the treating agent doses slip angle in the range of 34 to 38 °, in particular of about 35.5 °; while the cleaned and according to the invention (pre) treated doses show a slip angle in the range of about 17 to 26 ° and thus about 9.5 to 18.5 ° lower sliding angle than the only cleaned cans.
  • coatings with compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X * are particularly advantageous because the films produced herewith at very different temperatures in the range of room temperature to over 200 ° C. can be dried over a very short or long time, without causing a significant change in the coating quality. As a result, belt stops do not adversely affect the containers in the dryer.
  • the treatment or pretreatment of the containers in a conveyor system can be made much more robust than before and be driven with a significantly lower failure rate of incorrectly coated containers.
  • a belt stop on a can coater e.g. is driven at 5000 cans per minute, therefore, with only three-minute tape stop over the entire length of the belt system does not lead to a loss of e.g. 1000 to 20,000 cans.
  • coatings as for example for a variety of container shapes, container sizes, container volumes or filling media such as alcoholic, caffeine-containing drinks, soft drinks, dairy products, mineral water, fish, vegetables, fruit or soup canned be adjusted by varying various parameters such as concentration, temperature or / and how the proportion of a compound in a treatment mixture.
  • the treatment agents according to the invention are particularly environmentally friendly, because hereby the formation of a sludge can be largely or completely avoided because the solution or dispersion can be used either alone with water or with a solvent-poor water-solvent mixture, because they are free of heavy metals may because they are possibly even free or largely free of metals and because the compounds of the treatment means are usually particularly environmentally friendly.
  • Compounds of the type XYZ, X * Y * Z * or / and X * Y * Z * Y * X *, which are in the wastewater, can easily be chemically bound and / or degraded.
  • Aluminum alloy AIMg1 sheets were degreased alkaline, rinsed with city water, acid pickled, flushed with city water and then deionized water. Subsequently, a bath with an aqueous solution / dispersion was used as the treatment agent in the dipping process, containing:
  • the coating with the treatment agent was carried out at about 50 ° C for 10 seconds at a pH of about 3. It layer weights in the range of 1 to 10 mg / m 2 were achieved.
  • Polyester powder coating Scratch 1 mm Scratch ⁇ 1 mm Gt 0 add.
  • the standard aluminum alloy can weighed 10.4 g, was 11.5 cm long and had a diameter of 6.5 cm.
  • the slip angles were determined at room temperature on a self-constructed laboratory apparatus as the average value of several measurements.
  • the sliding test on standard doses pretreated with phosphonates according to the invention gave, after a temperature treatment at about 180 ° C., a sliding angle of only about 28 °.
  • the standard can which after the separate conversion coating was treated with a standard lubricant based on ethoxylated compounds that did not give a second conversion coating, showed a slip angle of 21-22 ° on average after low temperature drying but after about 180 ° C. of heat treatment a sliding angle of on average even about 32 °.
  • the purified and according to the invention (before) treated doses show here in particular by at least 5 °, preferably at least 8 °, more preferably at least 12 ° lower slip angle than the similar, but only purified doses.
  • polyester-powder-coated chromium-free phosphonate-pretreated sheets corresponded to the results on high-quality chromated sheets of this aluminum alloy with regard to the anticorrosion and paint adhesion results.
  • the results of the ESS tests have yielded somewhat better results than the chromating.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
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  • Application Of Or Painting With Fluid Materials (AREA)
  • Lubricants (AREA)

Claims (43)

  1. Utilisation d'un agent pour traitement ou pré-traitement de récipients en aluminium, en alliages contenant de l'aluminium, en alliages contenant du magnésium, en matériaux ferreux, tel un acier, en matériaux ferreux revêtus, tel un acier zingué, en matériaux métalliques zingués ou revêtus d'aluminium ou d'un alliage d'aluminium, en fer blanc, en laiton ou en bronze, en particulier de sachets, de cornets, de bouteilles, de boîtes, de bidons, de barils ou de douilles, en tant que lubrifiant, l'agent utilisé pour cela consistant pour l'essentiel en au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X*, étant entendu
    - que Y représente un groupe alkyle non ramifié, comportant de 10 à 20 atomes de carbone,
    - que X représente un groupe symbolisé par OH, SH, NH2, NHR', CN, CH=CH2, OCN, CONHOH ou COOR', un groupe acrylamido ou époxy, ou un groupe symbolisé par CH2=CR"-COO, COOH, HSO3, HSO4, (OH)2PO, (OH)2PO2, (OH)(OR')PO, (OH)(OR')PO2, SiH3 ou Si(OH)3,
    - et que Z représente un groupe symbolisé par (OH)2PO, (OH)2PO2, (OH)(OR')PO ou (OH)(OR')PO2,
    - où R' représente un groupe alkyle comportant de 1 à 4 atomes de carbone,
    - et R" représente un atome d'hydrogène ou un groupe alkyle comportant de 1 à 4 atomes de carbone,
    - et étant entendu que les groupes représentés par X et Z sont liés chacun à une extrémité du groupe représenté par Y ;
    et étant entendu
    - que Y* représente un groupe alkyle non ramifié, comportant de 10 à 20 atomes de carbone,
    - que X* représente un groupe symbolisé par OH, SH, NH2, NHR', CN, CH=CH2, OCN, CONHOH ou COOR', un groupe acrylamido ou époxy, ou un groupe symbolisé par CH2=CR"-COO, COOH, HSO3, HSO4, (OH)2PO, (OH)2PO2, (OH)(OR')PO, (OH)(OR')PO2, SiH3, Si(OH)3, >NCH2PO(OH)2 ou N[CH2PO(OH)2]2,
    - et que Z* représente un groupe symbolisé par (OH)2PO, (OH)2PO2, (OH)(OR')PO, (OH)(OR')PO2, >NCH2PO(OH)2 ou N[CH2PO(OH)2]2,
    - où R' représente un groupe alkyle comportant de 1 à 4 atomes de carbone,
    - et R" représente un atome d'hydrogène ou un groupe alkyle comportant de 1 à 4 atomes de carbone.
  2. Utilisation conforme à la revendication 1, caractérisée en ce que sur le substrat métallique est produit, avec l'agent pour traitement ou pré-traitement (soit « l'agent de traitement »), un revêtement de conversion du premier type et/ou du deuxième type.
  3. Utilisation conforme à la revendication 1 ou 2, caractérisée en ce que le lubrifiant est formé au préalable dans l'agent pour traitement ou pré-traitement et/ou lors de la formation du revêtement qu'on en fait.
  4. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement est une solution aqueuse ou une dispersion aqueuse.
  5. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement ne contient pas ou pratiquement pas de fluorures.
  6. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement ne contient pas ou pratiquement pas de phosphates, exprimés en PO4.
  7. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement ne contient pas ou pratiquement pas de chrome.
  8. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement ne contient pas ou pratiquement pas de fer, de manganèse, de nickel, de cobalt, de cuivre, d'autres améliorants de l'acier et/ou de zinc, et en particulier, ne contient pas ou pratiquement pas de métaux lourds de quelque sorte que ce soit.
  9. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement ne contient pas ou pratiquement pas de composés éthoxylés, et en particulier, ne contient pas ou pratiquement pas de tensioactifs de quelque sorte que ce soit.
  10. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que ce sont des alliages contenant du silicium qui sont traités ou pré-traités.
  11. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement, qui est le cas échéant un lubrifiant, contient au moins un composé de type XYZ, étant entendu
    - que X représente un groupe symbolisé par COOH, HSO3, HSO4, (OH)2PO, (OH)2PO2, (OH)(OR')PO ou (OH)(OR')PO2,
    - que Y représente un groupe alkyle R non ramifié, comportant de 10 à 20 atomes de carbone, desquels atomes de carbone au moins 60 % se présentent sous la forme de groupes de formule CH2,
    - et que Z représente un groupe symbolisé par (OH)2PO, (OH)2PO2, (OH)(OR')PO ou (OH)(OR')PO2,
    - où R' représente un groupe alkyle comportant de 1 à 4 atomes de carbone,
    - et R" représente un atome d'hydrogène ou un groupe alkyle comportant de 1 à 4 atomes de carbone.
  12. Utilisation conforme à l'une au moins des revendications 1 à 11, caractérisée en ce que les groupes représentés par X* et Z* des composés de type X*Y*Z* ou X*Y*Z*Y*X* sont liés chacun à une extrémité du groupe représenté par Y*.
  13. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que le composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* est apte à former des molécules s'organisant d'elles-mêmes, qui peuvent constituer sur la surface métallique une couche de ces molécules s'organisant d'elles-mêmes, en particulier une couche monomoléculaire.
  14. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que Y ou Y* représente une chaîne linéaire non-ramifiée.
  15. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que les composés plus efficaces de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* comportent un groupe Y ou Y* qui comporte un nombre pair d'atomes de carbone.
  16. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce qu'au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* se présente, dans une solution aqueuse, sous forme de sel et/ou d'acide.
  17. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement contient au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* dans lequel Y ou Y* représente un groupe alkyle non ramifié, comportant de 10 à 18 atomes de carbone.
  18. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement contient au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* dans lequel X ou X* représente un groupe symbolisé par (OH)2PO2 ou (OH)(OR')PO2.
  19. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement contient au moins l'un des composés suivants de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* et/ou au moins un de leurs dérivés correspondants, en particulier de leurs sels :
    acide 12-mercapto-dodécane-1-phosphonique
    acide 12-(N-éthyl-amino)-dodécane-1-phosphonique
    acide dodéc-11-ène-1-phosphonique
    acide décane-1,10-diphosphonique
    acide dodécane-1,12-diphosphonique
    acide tétradécane-1,14-diphosphonique
    acide 12-hydroxy-dodécane-1-phosphorique
    acide 12-(N-éthyl-amino)-dodécane-1-phosphorique
    acide dodéc-11-ène-1-phosphorique
    acide 12-mercapto-dodécane-1-phosphorique
    acide décane-1,10-diphosphorique
    acide dodécane-1,12-diphosphorique
    acide tétradécane-1,14-diphosphorique
    acide 12-acryloyl-dodécane-1-phosphorique.
  20. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement comportant au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* est contenu dans une solution aqueuse où, en particulier, une fraction de 0,01 à 50 % de l'eau peut être remplacée par au moins un solvant organique, comme par exemple un alcool comportant 1 à 8 atomes de carbone, de l'acétone, du dioxane et/ou du tétrahydrofurane.
  21. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement contient au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X*, en une concentration qui se situe dans le domaine critique de formation de micelles ou au-dessous, et en particulier en une concentration de 0,05 à 10 g/L.
  22. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement contient au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* qui se présente sous forme de sel dans la solution.
  23. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement, pour ce qui est des composés qui produisent une couche de conversion et qui servent de lubrifiants, ne consiste qu'en composés de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X*.
  24. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement, pour ce qui est des composés qui produisent une couche de conversion et qui servent de lubrifiants, est contenu en une concentration de 0,01 à 15 g/L dans de l'eau ou dans un mélange d'eau et de solvant.
  25. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement est constitué, en plus d'eau ou d'un mélange d'eau et de solvant, d'au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X*, ainsi que, en option, d'un biocide, d'un désémulsifiant, d'un agent odorant, d'un émulsifiant, d'un agent de démoussage, d'un tiers-solvant, d'un tensioactif, d'un agent d'ajustement du pH, d'un agent d'ajustement de la conductivité électrique, et/ou d'autres adjuvants, et le cas échéant, pour une certaine proportion, d'au moins un solvant organique.
  26. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement comprend en outre un agent de démoussage et/ou un tiers-solvant, en particulier en une proportion de 0,0005 à 5 % en poids pour chacun.
  27. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement est déposé sur les récipients, sur leurs surfaces internes et/ou externes, par immersion ou enduction au rouleau, de préférence par projection, pulvérisation ou nébulisation, et en particulier en un laps de temps de 0,1 à 120 secondes par récipient.
  28. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que, en option, on effectue au moins un rinçage après le dépôt de l'agent pour traitement ou pré-traitement qui est également ou contient simultanément un lubrifiant.
  29. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent pour traitement ou pré-traitement est déposé sur une surface nettoyée, rincée et/ou mordancée ou sur une surface traitée au préalable par irradiation de lumière.
  30. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que, avant le dépôt de l'agent pour traitement ou pré-traitement, la surface du récipient est nettoyée avec un agent neutre, acide ou alcalin, est éventuellement rincée, est en option mordancée avec un agent acide ou alcalin, et est éventuellement de nouveau rincée, étant entendu qu'on peut alors utiliser comme solvant de l'eau et/ou un solvant organique.
  31. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que, avant le dépôt de l'agent pour traitement ou pré-traitement, on dépose un agent d'un autre type pour traitement ou pré-traitement, en particulier un agent qui contient des ions choisis dans l'ensemble formé par les ions de titane, de zirconium, de hafnium, de cuivre, de fer, de manganèse, de nickel, de zinc, phosphate et fluorure
  32. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que, après le dépôt de l'agent pour traitement ou pré-traitement, on opère éventuellement un rinçage, puis en option un post-rinçage avec une solution de post-rinçage, le cas échéant un nouveau rinçage, et un séchage, étant entendu que l'on peut alors utiliser comme solvant de l'eau et/ou un solvant organique.
  33. Utilisation conforme à l'une au moins des revendications 1 à 32, caractérisée en ce que, après le dépôt de l'agent pour traitement ou pré-traitement, on n'opère plus de rinçage.
  34. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce qu'au moins un composé de type XYZ, X*Y*Z* et/ou X*Y*Z*Y*X* est utilisé pour améliorer la résistance à la corrosion et/ou l'adhérence d'un vernis.
  35. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que le dépôt de l'agent de traitement est effectué sur un convoyeur, et de préférence sur une chaîne de pulvérisation.
  36. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que le dépôt de l'agent de traitement est réalisé en un laps de temps de 0,1 à 120 secondes.
  37. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que le dépôt de l'agent de traitement est effectué sur des surfaces métalliques de récipients qui se trouvent à une température de 10 à 100 °C.
  38. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que l'agent de traitement, lors de son dépôt sur les récipients, se trouve à une température de 10 à 90 °C.
  39. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que le revêtement formé par l'agent de traitement présente après séchage l'épaisseur d'une couche ou de quelques couches de molécules.
  40. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que les récipients traités ou pré-traités sont séchés à une température d'au moins 180 °C dans la chaîne de fabrication en série.
  41. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que les récipients traités ou pré-traités sont séchés à une température d'au plus 150 °C dans la chaîne de fabrication en série.
  42. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que des récipients de divers types, destinés à divers usages, en particulier des boîtes de divers types, sont pré-traités ou traités sur la même installation, avec des dispositifs de même type et/ou dans des bains de même type.
  43. Utilisation conforme à l'une au moins des revendications précédentes, caractérisée en ce que, après le séchage de l'agent de traitement ou de pré-traitement, on dépose au moins un vernis, en particulier un vernis appliqué en immersion par électrophorèse, un vernis en poudre, un vernis appliqué par couchage sur bande, un vernis appliqué au mouillé, un vernis riche en solides et pauvre en solvant ou un vernis dilué à l'eau, au moins un revêtement organique d'une autre nature, au moins une couche d'adhésif, au moins une feuille mince, au moins une couche de papier et/ou au moins une encre d'impression.
EP01945168.1A 2000-05-31 2001-05-21 Procede de traitement ou de pretraitement de contenants Expired - Lifetime EP1294834B1 (fr)

Applications Claiming Priority (5)

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DE10026846 2000-05-31
DE10026846A DE10026846A1 (de) 2000-05-31 2000-05-31 Verfahren zur Behandlung oder Vorbehandlung von Behältern sowie Mittel für dieses Verfahren
DE10049005A DE10049005A1 (de) 2000-09-27 2000-09-27 Verfahren zur Behandlung oder Vorbehandlung von Behältern sowie Mittel für dieses Verfahren
DE10049005 2000-09-27
PCT/EP2001/005778 WO2001092445A2 (fr) 2000-05-31 2001-05-21 Procede de traitement ou de pretraitement de contenants

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EP1294834B1 true EP1294834B1 (fr) 2013-08-28

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EP (1) EP1294834B1 (fr)
CN (1) CN1214097C (fr)
CA (1) CA2410321C (fr)
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WO (1) WO2001092445A2 (fr)

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EP1294834A2 (fr) 2003-03-26
CA2410321C (fr) 2012-02-21
US7344757B2 (en) 2008-03-18
DK1294834T3 (da) 2013-12-09
CA2410321A1 (fr) 2001-12-06
WO2001092445A3 (fr) 2002-07-25
WO2001092445A2 (fr) 2001-12-06
CN1444642A (zh) 2003-09-24
CN1214097C (zh) 2005-08-10
US20040043907A1 (en) 2004-03-04

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