EP1444381B1 - Procede de fabrication de couches de protection sombres sur des produits plats composes de zinc de titane - Google Patents

Procede de fabrication de couches de protection sombres sur des produits plats composes de zinc de titane Download PDF

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Publication number
EP1444381B1
EP1444381B1 EP20020787688 EP02787688A EP1444381B1 EP 1444381 B1 EP1444381 B1 EP 1444381B1 EP 20020787688 EP20020787688 EP 20020787688 EP 02787688 A EP02787688 A EP 02787688A EP 1444381 B1 EP1444381 B1 EP 1444381B1
Authority
EP
European Patent Office
Prior art keywords
zinc
weight
titanium
content
alloy
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
EP20020787688
Other languages
German (de)
English (en)
Other versions
EP1444381A1 (fr
EP1444381B2 (fr
Inventor
Marianne SCHÖNNENBECK
Adolf Stradmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinzink GmbH and Co KG
Original Assignee
Rheinzink GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7706072&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1444381(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rheinzink GmbH and Co KG filed Critical Rheinzink GmbH and Co KG
Priority to DK02787688T priority Critical patent/DK1444381T4/da
Publication of EP1444381A1 publication Critical patent/EP1444381A1/fr
Publication of EP1444381B1 publication Critical patent/EP1444381B1/fr
Application granted granted Critical
Publication of EP1444381B2 publication Critical patent/EP1444381B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/51—One specific pretreatment, e.g. phosphatation, chromatation, in combination with one specific coating
    • 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
    • C23C22/53—Treatment of zinc or alloys based thereon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Definitions

  • the invention relates to a process for the preparation of Protective layers of dark hue by pickling rolled Flat products of titanium-zinc alloys for use in construction, with the flat products in one aqueous Beigeabt with sulfuric acid and nitric acid containing Stained mixed acid and after rinsing under formation a protective layer passivated.
  • the invention also refers to protective coatings Surface products.
  • Patina is in particular made of zinc carbonate Copper traces.
  • the obtained matte black color allows that such patinated building materials in particular harmonious in Insert roofing with black pans or shingles let or, where contrasts are desired, itself a clear gradation black and white results.
  • a salary of preferably 1.1 to 1.4% by weight of copper in the alloy sufficient.
  • titanium-zinc alloy related to the 0.06 to 0.2% by weight of titanium and max. Contains 0.015 wt .-% aluminum.
  • a copper content of more than 1.0% by weight up to 2.0% by weight, preferably from 1.1 to 1.3% by weight of Cu, intended.
  • the majority of the alloy is zinc, So depending on the content of the alloying elements titanium, aluminum and copper about 97.7 to 98.9 wt% zinc of the purity step 99.995% by weight.
  • Strip of 0.8 mm thickness and 600 mm width is by rinsing with an alkaline degreasing solution a temperature of approx. 60 ° C and a rinsing pressure of approx. Degreased 2.5 bar and then with a water spray with a temperature of about 65 ° C and a pressure hosed from about 2.5 bar.
  • a pickling plant with a pickling bath temperature of 30 ... 80 ° C, preferably about 50 ° C, pickled.
  • the pickling bath contains a mixed acid of approx. 30 ...
  • the rate of the pickling reaction is essentially depending on the content of free acid.
  • the reduction of Nitric acid is the dominant reaction and prevents a hydrogen evolution.
  • Another influence on the pickling result exerts the ratio of the acid contents.
  • a mixed acid with 2 ... 10 vol .-% Sulfuric acid and 2 ... 10% by volume of nitric acid, the mixing ratio of sulfuric acid: nitric acid is less than or equal to 3: 1, and the content of free Acid is 25 to 100 g / l.
  • a polymer dispersion for example, a Mixture of styrene-acrylate, aliphatic polyester and polyurethane Understood.
  • the method of the invention thus obtains a titanium-zinc alloy flat product containing mainly zinc of high purity and, in addition, a copper content of 1.0 to 2.0% by weight, a titanium content of 0.07 to 0, 12 wt .-% and an aluminum content of not more than 0.015 wt .-% and has a dull black patina.
  • the latter is preferably coated with a protective layer having a thickness of 0.4-3.0 ⁇ m, which in the exemplary embodiment was obtained after application and drying of a chromate-containing polymer dispersion; Accordingly, the basis weight of the overlay is 5 ... 40 mg / m 2 .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Physical Vapour Deposition (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)

Claims (7)

  1. Procédé de fabrication de couches de protection sombres par décapage de produits plats laminés composés de zinc-titane pour l'utilisation dans le bâtiment, dans lequel les produits plats sont décapés dans un bain de décapage aqueux composé d'un mélange d'acide sulfurique et d'acide nitrique et, après rinçage, passivés par application d'une couche de protection, caractérisé en ce qu'il est utilisé des produits plats laminés composés d'un alliage de zinc-titane, cet alliage étant principalement constitué de zinc d'un haut degré de pureté et présentant en outre, en pourcentage pondéral, une teneur en cuivre de 1,1 à 2,0 %, en titane de 0,06 à 0,2 % et en aluminium d'au maximum 0,015 %.
  2. Procédé selon la revendication 1, caractérisé en ce que la teneur en cuivre est comprise entre 1,1 et 1,4 % en pourcentage pondéral.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le degré de pureté du zinc représente 99,995 % en pourcentage pondéral dans l'alliage.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le bain de décapage comporte, outre l'eau, 30 ... 60 g/l d'acide sulfurique (H2SO4) et 20 ... 50 g/l d'acide nitrique (HNO3).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est produit une couche de protection supplémentaire par application et séchage d'une dispersion polymère contenant du chromate.
  6. Produit plat composé d'un alliage de zinc-titane qui est principalement constitué de zinc d'un haut degré de pureté, qui présente en outre, en pourcentage pondéral, une teneur en cuivre de 1,1 à 2,0 %, en titane de 0,07 à 0,12 % et en aluminium d'au maximum 0,015 %, qui est décapé dans un bain de décapage comportant un mélange d'acide sulfurique et d'acide nitrique et qui est passivé avec une couche de protection sombre.
  7. Produit plat selon la revendication 6, caractérisé en ce que la couche de protection passivante est recouverte d'une autre couche de protection, par application et séchage d'une dispersion polymère contenant du chromate.
EP02787688A 2001-11-16 2002-11-15 Procede de fabrication de couches de protection sombres sur des produits plats composes de zinc de titane Expired - Lifetime EP1444381B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK02787688T DK1444381T4 (da) 2001-11-16 2002-11-15 Fremgangsmåde til fremstilling af mörke beskyttelseslag på fladeprodukter af titanzink

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10156475A DE10156475A1 (de) 2001-11-16 2001-11-16 Verfahren zur Herstellung von dunklen Schutzschichten auf Flacherzeugnissen aus Titanzink
DE10156475 2001-11-16
PCT/EP2002/012800 WO2003048417A1 (fr) 2001-11-16 2002-11-15 Procede de fabrication de couches de protection sombres sur des produits plats composes de zinc de titane

Publications (3)

Publication Number Publication Date
EP1444381A1 EP1444381A1 (fr) 2004-08-11
EP1444381B1 true EP1444381B1 (fr) 2005-01-12
EP1444381B2 EP1444381B2 (fr) 2008-09-10

Family

ID=7706072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02787688A Expired - Lifetime EP1444381B2 (fr) 2001-11-16 2002-11-15 Procede de fabrication de couches de protection sombres sur des produits plats composes de zinc de titane

Country Status (10)

Country Link
US (1) US6916546B2 (fr)
EP (1) EP1444381B2 (fr)
JP (1) JP2005511896A (fr)
CN (1) CN100374621C (fr)
AT (1) ATE286993T1 (fr)
AU (1) AU2002352012A1 (fr)
DE (2) DE10156475A1 (fr)
ES (1) ES2236604T5 (fr)
HK (1) HK1072785A1 (fr)
WO (1) WO2003048417A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7611588B2 (en) * 2004-11-30 2009-11-03 Ecolab Inc. Methods and compositions for removing metal oxides
WO2008131585A1 (fr) * 2007-04-27 2008-11-06 Shine Metal Hot-Galvanization Enterprise Procédé de galvanisation à chaud au trempé et produit obtenu
US8442507B2 (en) * 2007-09-26 2013-05-14 Qualcomm Incorporated Methods and apparatus for dynamic source determination of provisioning information on a per-network service basis for open market wireless devices
US8831575B2 (en) * 2007-09-26 2014-09-09 Qualcomm Incorporated Apparatus and methods associated with open market handsets
US8463279B2 (en) * 2007-09-26 2013-06-11 Qualcomm Incorporated Methods and apparatus for application network-server determination for removable module-based wireless devices
CN103849868A (zh) * 2014-02-14 2014-06-11 浙江工业大学 一种钛锌板表面无铬发黑处理液及使用方法
EP3211113A1 (fr) 2016-02-25 2017-08-30 Rautaruukki Oyj Produit galvanisé et procédé
CN114000136A (zh) * 2021-10-28 2022-02-01 苏州市祥冠合金研究院有限公司 一种锌合金表面涂层的制备方法
CN115433932B (zh) * 2022-08-29 2023-09-12 武汉大学 一种纯钛表面梯度微纳TiZn3-TiZnX复合涂层及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2510985A1 (de) * 1975-03-13 1976-09-23 Rheinisches Zinkwalzwerk Gmbh Verfahren zur herstellung tiefziehfaehiger bleche und baender aus einer dauerstandfesten und faltbaren zink-kupfer- titan-walzlegierung
DE2757592C2 (de) * 1977-12-23 1985-03-28 Rheinzink GmbH, 4354 Datteln Verfahren zur Herstellung von Deckschichten auf aus Zink-Kupfer-Titan-Legierungen bestehenden Formkörpern
DE3311334A1 (de) * 1983-03-29 1984-10-04 Rheinzink GmbH, 4354 Datteln Vorrichtung zur verbesserung der korrosionsbestaendigkeit von bauteilen fuer dachentwaesserungssysteme
US5160552A (en) * 1986-11-21 1992-11-03 Nippon Mining Co., Ltd. Colored zinc coating
DE3718829A1 (de) * 1987-06-05 1988-12-15 Metallgesellschaft Ag Anwendung der elektrodialyse zur regeneration von saeureloesungen
DE4446771A1 (de) * 1994-12-24 1996-06-27 Rheinzink Gmbh Bänder und Tafeln aus legiertem Zink
DE19545487A1 (de) * 1995-12-06 1997-06-12 Rheinzink Gmbh Bänder und Tafeln aus legiertem Zink
DE19636370B4 (de) * 1996-09-09 2005-04-14 Rheinzink Gmbh Verfahren zur Herstellung von Schutzschichten auf Flacherzeugnissen aus Titanzink und Flacherzeugnis
DE10014519A1 (de) * 2000-03-23 2001-10-11 Rheinzink Gmbh Verwendung von Rohren aus Titanzink nach EN 988 und Biegeverfahren zur Herstellung von Rohrbögen

Also Published As

Publication number Publication date
ATE286993T1 (de) 2005-01-15
DE50202024D1 (de) 2005-02-17
ES2236604T3 (es) 2005-07-16
AU2002352012A1 (en) 2003-06-17
EP1444381A1 (fr) 2004-08-11
US6916546B2 (en) 2005-07-12
CN100374621C (zh) 2008-03-12
US20050003091A1 (en) 2005-01-06
EP1444381B2 (fr) 2008-09-10
ES2236604T5 (es) 2009-03-01
CN1585834A (zh) 2005-02-23
DE10156475A1 (de) 2003-06-05
JP2005511896A (ja) 2005-04-28
HK1072785A1 (en) 2005-09-09
WO2003048417A1 (fr) 2003-06-12

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