EP0931179B1 - Procede pour la phosphatation d'un feuillard d'acier - Google Patents

Procede pour la phosphatation d'un feuillard d'acier Download PDF

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Publication number
EP0931179B1
EP0931179B1 EP97942941A EP97942941A EP0931179B1 EP 0931179 B1 EP0931179 B1 EP 0931179B1 EP 97942941 A EP97942941 A EP 97942941A EP 97942941 A EP97942941 A EP 97942941A EP 0931179 B1 EP0931179 B1 EP 0931179B1
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EP
European Patent Office
Prior art keywords
phosphating
ions
galvanized
free
phosphating solution
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
EP97942941A
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German (de)
English (en)
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EP0931179A2 (fr
Inventor
Jörg Riesop
Reinhard Seidel
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Publication of EP0931179A2 publication Critical patent/EP0931179A2/fr
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Anticipated expiration legal-status Critical
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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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
    • C23C22/184—Orthophosphates containing manganese cations containing also zinc cations containing also nickel cations
    • 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
    • C23C22/364—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 also manganese cations
    • C23C22/365—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 also manganese cations containing also zinc and nickel cations

Definitions

  • the invention relates to a method for phosphating steel strip or steel strip galvanized on one or both sides or alloy galvanized by a Spray or dip treatment, depending on the belt speed for a period of time in the range of 2 to 15 seconds.
  • phosphating metal strips in particular electrolytically galvanized or hot-dip galvanized steel strips are state of the art known.
  • WO 91/02829 describes a method for Phosphating of electrolytically and / or hot-dip galvanized steel strip through short-term treatment with acid phosphating solutions, which in addition to zinc and phosphate ions, manganese and nickel cations and anions containing more oxygen Contain acids with accelerator effect. Under the latter term are especially to understand nitrate ions.
  • DE-A-35 37 108 also describes a process for the phosphating of electrolytically galvanized steel strips Treatment with acid phosphating solutions, which in addition to zinc, manganese and Phosphate ions other metal cations such as nickel ions and / or Anions of oxygen-containing acids with accelerating action, in particular Nitrate ions included.
  • acid phosphating solutions which in addition to zinc, manganese and Phosphate ions other metal cations such as nickel ions and / or Anions of oxygen-containing acids with accelerating action, in particular Nitrate ions included.
  • the content of zinc cations lies in that relatively deep range from 0.1 to 0.8 g / l.
  • DE-A-42 28 470 teaches Process for the phosphating of one-sided electrolytically galvanized steel strip the galvanized surface by treatment with acid phosphating solutions, the 1.0 to 6.0 g / l zinc cations, 0.5 to 5.0 g / l nickel cations and 14 to 25 g / l Contain phosphate anions.
  • acid phosphating solutions the 1.0 to 6.0 g / l zinc cations, 0.5 to 5.0 g / l nickel cations and 14 to 25 g / l Contain phosphate anions.
  • water-soluble Salts of the cations mentioned for example the nitrates, can be used.
  • the cations mentioned would be used in the form of their nitrates, the nitrate content would have no influence on the phosphating result.
  • the phosphating processes known in the prior art form phosphate layers with a mass per unit area of up to approximately 2.0 g / m 2 on the galvanized surface of steel strips galvanized on one or both sides.
  • galvanized steel surfaces could not be phosphated due to the short phosphating times in the range of about 2 to about 15 seconds.
  • no phosphate layer was formed on the non-galvanized side. This could have been desirable. If these single-sided galvanized and phosphated steel strips were later installed as parts of automobile bodies and phosphated again, the phosphating of the steel side often proved to be problematic because of the passivation caused by the pretreatment.
  • WO-A-95/07370 discloses a method for phosphating metal surfaces made of steel, galvanized or alloy galvanized steel, aluminum, aluminized or alloy-aluminized steel, in particular for the treatment of single or steel galvanized on both sides.
  • the metal surfaces in contact with a phosphating solution that is free of nickel, Cobalt, copper, nitrite and oxo anions of halogens and which is 0.3 to 2 g / l Zn (II), 0.3 to 4 g / l Mn (II), 5 to 40 g / l phosphate ions, 0.1 to 5 g / l hydroxylamine in free or bound form and / or 0.2 to 2 g / l m-nitrobenzenesulfonate and contains at most 0.5 g / l nitrate ions, the Mn content at least 50% of Zn content is.
  • a phosphating solution that is free of nickel, Cobalt, copper, nitrite and oxo anions of halogens and which is 0.3 to 2 g / l Zn (II), 0.3 to 4 g / l Mn (II), 5 to 40 g / l phosphate ions,
  • the total acidity value should be between 15 and 25 points and the value of the free acid at band phosphating between 0.3 and 2.5 Points.
  • the process is for use in dipping, spraying or Spray / immersion process suitable.
  • the band phosphating in the steel mill treatment times between 5 and 12 seconds; the appropriate bath temperatures between 30 and 70 ° C.
  • the invention has for its object a phosphating process for high-speed To provide conveyor systems through which not only the galvanized side of galvanized or alloy galvanized steel strip can be phosphated, but also non-galvanized steel strips or the non-galvanized side from one side galvanized steel strips.
  • This provides a material that advantageously for the construction of, for example, vehicle bodies or Household appliances such as refrigerators and washing machines can be used.
  • This object is achieved by a method for phosphating steel strip or steel strip galvanized on one or both sides or galvanized with alloys by spraying or dipping treatment for a period in the range from 2 to 15 seconds with an acidic, zinc and manganese-containing phosphating solution with a temperature in the range from 40 to 70 ° C, the phosphating solution 1 to 4 g / l Zinc ions, 0.8 to 3.5 g / l Manganese ions 10 to 30 g / l Phosphate ions 0.1 to 3 g / l Hydroxylamine in free, ionic or bound form and contains no more than 1 g / l nitrate ion, has a free acid content in the range from 0.4 to 4 points and a total acid content in the range from 12 to 50 points, characterized in that the phosphating solution contains at least one further cation selected from nickel ions in amounts of 0.8 to 3.5 g / l or copper ions in amounts of 0.002 to
  • the steel strips can be galvanized or hot-dip galvanized or be galvanized.
  • "Galvanized alloy” means that the Steel surface was coated with an alloy that other than zinc Contains metals such as iron, nickel or aluminum.
  • a Alloy galvanizing with a zinc-iron alloy can, for example, thereby take place that one anneals a galvanized steel strip, whereby a diffusion of Iron atoms in the zinc layer and vice versa.
  • the layer thicknesses of the Galvanizing layers are usually in the range from about 5 to about 20 ⁇ m.
  • free acid and total acid are in the field of Commonly known phosphating. They are determined by looking at the acidic one Titrate the bath sample with 0.1 normal sodium hydroxide solution and measure its consumption. The Consumption in ml is given as a score. In this document, under the Score of free acid consumption in ml of 0.1 normal sodium hydroxide solution understood to 10 ml bath solution, diluted to 50 ml with deionized water was titrated to pH 3.6. Similarly, the score gives the Total acid consumption in ml up to a pH of 8.2.
  • hydroxylamine or its compounds in low-nitrate or nitrate-free phosphating solutions for high-speed It is now possible for the first time to also use galvanized steel surfaces with spray or dipping processes. For those with longer treatment times Working part phosphating is the use of hydroxylamine as In contrast, accelerators have long been known. Examples of this are EP-A-315 059 and WO 93/03198. Hydroxylamine can be used as a free base, as Hydroxylamine-releasing compound such as hydroxylamine complexes as well as ketoximes or aldoximes or in the form of hydroxylammonium salts be used.
  • the total phosphorus content of the phosphating bath is considered to be present in the form of phosphate ions PO 4 3- . Accordingly, the known fact that the pH values of the phosphating baths in the range from about 2.0 to about 3.6, which are in the acidic region, only a very small part of the phosphate is actually in the form is ignored in the concentration calculation or determination the triple negatively charged anions are present. At these pH values it is rather to be expected that the phosphate is present primarily as a single negatively charged dihydrogen phosphate anion, together with undisociated phosphoric acid and with smaller amounts of double negatively charged hydrogen phosphate anions.
  • phosphating solutions that range from 0.002 to 0.2 g / l copper ions, in particular about 0.003 to about 0.06 g / l copper ions contain.
  • the phosphating solutions contain Alkali metal and / or ammonium cations to determine the value of the free acid on the set the desired range.
  • the presence of Fluoride ions are generally not required in the phosphating solution.
  • the Phosphating of hot-dip galvanized steel strips is caused by fluoride ions however easier and also for the phosphating of electrolytically galvanized Steel strip can ensure the presence of fluoride ions for even Layer training can be advantageous.
  • the preferred fluoride contents in the range of 0.0 to about 0.5 g / l, in particular in the range from about 0.1 to about 0.2 g / l.
  • the phosphating solutions are generally prepared in the Known to those skilled in the art.
  • phosphate is in the form of Phosphoric acid introduced into the phosphating solutions.
  • the cations are in Form of acid-soluble compounds such as carbonates, oxides or the hydroxides of phosphoric acid are added so that they are partially neutralized becomes. Further neutralization to the desired pH range takes place preferably by adding sodium hydroxide or sodium carbonate.
  • the Optional copper ions can preferably also be used as sulfate or as Acetate are introduced into the phosphating solution.
  • As a source more free Fluoride anions are suitable, for example, sodium or potassium fluoride.
  • Complex fluorides can be, for example, tetrafluoroborate or hexafluorosilicate be used.
  • the invention relates to the use of the phosphating process described above for the production on both sides of phosphate layers with a mass per unit area in the range from 0.4 to 2.0 g / m 2 on steel strip or on steel strip galvanized or alloy-galvanized on one or both sides.
  • Phosphate layers with a mass per unit area in the range from approximately 0.9 to approximately 1.8 g / m 2 are preferably produced.
  • the mass per unit area can, as is known to the person skilled in the art, be determined by weighing a phosphated sample sheet, detaching the phosphate layer in 5% chromic acid solution and weighing the sample sheet back. This method is described, for example, in DIN 50942.
  • phosphating solutions whose free acid content is in the range from about 1.5 to about 2.5 points and total acid in the range of about 20 to about 35 points.
  • the temperature of the treatment solution is preferably in the range from approximately 50 to 70 ° C. and in particular in the range from approximately 55 to approximately 65 ° C.
  • Preferred treatment times range from about 5 to about 10 seconds.
  • the metal surface Before applying the phosphating solution, the metal surface be completely water wettable. This is in continuous working Belt systems are usually given. If the belt surface is oiled this oil should be cleaned with a suitable cleaner before phosphating remove. The procedures for this are common in the art.
  • activating agents Usually solutions or Suspensions used that contain titanium phosphates and sodium phosphates.
  • Phosphating process which is advantageously a passivating rinse follows. This takes place between phosphating and passivating rinsing usually an intermediate rinse with water. For a passivating Rinsing treatment baths containing chromic acid are widespread.
  • the metal tapes phosphated according to the invention can be used directly with a organic coating. However, you can also start with unpainted condition after cutting, shaping and joining to components like Automobile bodies or household appliances are put together. The hereby associated forming processes are facilitated by the phosphate layer. Is the Corrosive stress on the finished components is low, for example at Household appliances, can be assembled from the pre-phosphated metal Devices can be painted directly. For higher corrosion protection requirements, like them For example, in the automotive industry, it is advantageous, according to Reassembly of the bodies followed by phosphating treatment to let.

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  • 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)
  • Chemical Treatment Of Metals (AREA)
  • Laminated Bodies (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Claims (5)

  1. Procédé de phosphatation de feuillards d'acier ou de feuillards d'acier zingués ou traités avec un alliage de zinc sur un côté ou sur les deux côtés, par un traitement de pulvérisation ou d'immersion pendant une durée comprise entre 2 et 15 secondes avec une solution acide contenant du zinc et du manganèse, à une température comprise entre 40 et 70°C, où la solution de phosphatation contient :
    de 1 à 4 g/litre d'ions zinc,
    de 0,8 à 3,5 g/litre d'ions manganèse,
    de 10 à 30 g/litre d'ions phosphate,
    de 0,1 à 3 g/litre d'hydroxylamine, sous forme libre, ionique ou liée, et pas plus de 1 g/litre d'ions nitrate, avec une teneur en acide libre comprise entre 0,4 et 4 points et une teneur en acide total comprise entre 12 et 50 points,
    caractérisé en ce que
    la solution de phosphatation contient au moins un autre cation choisi parmi les ions nickel à des quantités de 0,8 à 3,5 g/litre ou des ions cuivre à des quantités de 0,002 à 0,2 g/litre.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    la solution de phosphatation contient jusqu'à 0,8 g/litre de fluorure sous forme libre ou liée dans un complexe.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    la solution de phosphatation contient dans le phosphatage d'acier non zingué jusqu'à 1 gramme d'ions nitrate, et dans le phosphatage d'acier zingué, pas plus de 0,1 g/litre.
  4. Procédé selon une ou plusieurs des revendications 1 à 3,
    caractérisé en ce que
    la solution de phosphatation contient de 0,15 à 0,8 g/litre d'hydroxylamine sous forme libre, ionique ou liée.
  5. Utilisation du procédé selon une ou plusieurs des revendications 1 à 4,
    pour la production des deux côtés de couches de phosphate avec une masse surfacique comprise entre 0,4 et 2,0 g/m2 sur un feuillard d'acier ou sur un feuillard d'acier zingué ou traité par un alliage de zinc sur un côté ou sur les deux côtés.
EP97942941A 1996-09-26 1997-09-17 Procede pour la phosphatation d'un feuillard d'acier Expired - Lifetime EP0931179B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19639596 1996-09-26
DE19639596A DE19639596A1 (de) 1996-09-26 1996-09-26 Verfahren zur Phosphatierung von Stahlband
PCT/EP1997/005091 WO1998013534A2 (fr) 1996-09-26 1997-09-17 Procede pour la phosphatation d'un feuillard d'acier

Publications (2)

Publication Number Publication Date
EP0931179A2 EP0931179A2 (fr) 1999-07-28
EP0931179B1 true EP0931179B1 (fr) 2000-12-06

Family

ID=7806984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97942941A Expired - Lifetime EP0931179B1 (fr) 1996-09-26 1997-09-17 Procede pour la phosphatation d'un feuillard d'acier

Country Status (11)

Country Link
EP (1) EP0931179B1 (fr)
JP (1) JP2001508123A (fr)
KR (1) KR20000048509A (fr)
CN (1) CN1231706A (fr)
AT (1) ATE197969T1 (fr)
AU (1) AU4459397A (fr)
CA (1) CA2266625A1 (fr)
DE (2) DE19639596A1 (fr)
ES (1) ES2153217T3 (fr)
ID (1) ID21474A (fr)
WO (1) WO1998013534A2 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6179934B1 (en) 1997-01-24 2001-01-30 Henkel Corporation Aqueous phosphating composition and process for metal surfaces
JPH10204649A (ja) * 1997-01-24 1998-08-04 Nippon Parkerizing Co Ltd 金属表面のりん酸塩処理水溶液及び処理方法
DE19740953A1 (de) * 1997-09-17 1999-03-18 Henkel Kgaa Verfahren zur Phosphatierung von Stahlband
DE19808755A1 (de) 1998-03-02 1999-09-09 Henkel Kgaa Schichtgewichtsteuerung bei Bandphosphatierung
DE19905479A1 (de) * 1999-02-10 2000-08-17 Metallgesellschaft Ag Verfahren zur Phospatisierung von Zink- oder Aluminiumoberflächen
DE10110834B4 (de) * 2001-03-06 2005-03-10 Chemetall Gmbh Verfahren zur Beschichtung von metallischen Oberflächen und Verwendung der derart beschichteten Substrate
DE10110833B4 (de) * 2001-03-06 2005-03-24 Chemetall Gmbh Verfahren zum Aufbringen eines Phosphatüberzuges und Verwendung der derart phosphatierten Metallteile
CN104313579B (zh) * 2014-11-11 2017-01-18 武汉钢铁(集团)公司 一种电镀锌镁合金钢板的生产方法
CN105568274A (zh) * 2015-12-31 2016-05-11 安徽红桥金属制造有限公司 一种环保的镀锌钝化剂及其制备方法
CN105925985B (zh) * 2016-07-19 2018-04-20 东莞市凯盟表面处理技术开发有限公司 一种不锈铁常温化学抛光液及其制备方法和使用方法
CN111349867A (zh) * 2020-04-10 2020-06-30 武汉钢铁有限公司 一种涂装友好的预磷化电镀锌汽车外板及其制备方法
CN112226755B (zh) * 2020-09-23 2023-06-23 山东大业股份有限公司 一种金属线材表面处理用磷化方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228470A1 (de) * 1992-08-27 1994-03-03 Henkel Kgaa Verfahren zur Phospatierung von einseitig verzinktem Stahlband
DE4241134A1 (de) * 1992-12-07 1994-06-09 Henkel Kgaa Verfahren zur Phosphatierung von Metalloberflächen
ATE162233T1 (de) * 1993-09-06 1998-01-15 Henkel Kgaa Nickelfreies phosphatierverfahren
DE19606018A1 (de) * 1996-02-19 1997-08-21 Henkel Kgaa Zinkphosphatierung mit geringen Gehalten an Nickel- und/oder Cobalt

Also Published As

Publication number Publication date
JP2001508123A (ja) 2001-06-19
ATE197969T1 (de) 2000-12-15
CN1231706A (zh) 1999-10-13
KR20000048509A (ko) 2000-07-25
AU4459397A (en) 1998-04-17
DE19639596A1 (de) 1998-04-02
CA2266625A1 (fr) 1998-04-02
WO1998013534A3 (fr) 1998-08-27
ID21474A (id) 1999-06-17
ES2153217T3 (es) 2001-02-16
WO1998013534A2 (fr) 1998-04-02
EP0931179A2 (fr) 1999-07-28
DE59702741D1 (de) 2001-01-11

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