DE19712642A1 - Corrosion protecting primer coating for dip or immersion coating - Google Patents

Corrosion protecting primer coating for dip or immersion coating

Info

Publication number
DE19712642A1
DE19712642A1 DE1997112642 DE19712642A DE19712642A1 DE 19712642 A1 DE19712642 A1 DE 19712642A1 DE 1997112642 DE1997112642 DE 1997112642 DE 19712642 A DE19712642 A DE 19712642A DE 19712642 A1 DE19712642 A1 DE 19712642A1
Authority
DE
Germany
Prior art keywords
zinc
coating
corrosion protection
agent according
corrosion
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.)
Withdrawn
Application number
DE1997112642
Other languages
German (de)
Inventor
Hans-Juergen Gessner
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.)
CHEMISCHE IND ERLANGEN GmbH
Original Assignee
CHEMISCHE IND ERLANGEN 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
Application filed by CHEMISCHE IND ERLANGEN GmbH filed Critical CHEMISCHE IND ERLANGEN GmbH
Priority to DE1997112642 priority Critical patent/DE19712642A1/en
Publication of DE19712642A1 publication Critical patent/DE19712642A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

A corrosion protecting agent (I) zinc or zinc aluminium platelet pigment particles (II) is useful for dip or immersion coating.

Description

Die vorliegende Erfindung betrifft ein Korrosionsschutzmittel, das Zink- oder Zinkaluminiumpigmente enthält, um metallische Werkstoffe vor Korrosion zu schützen.The present invention relates to an anti-corrosion agent, containing zinc or zinc aluminum pigments to metallic Protect materials from corrosion.

Es sind sogenannte Zinkstaubgrundbeschichtungen bekannt, die als Korrosionsschutzpigment mehr oder weniger hohe Anteile an metallischem Zink enthalten. Dieses Zink ist kugelförmig und spezifisch schwer.So-called zinc dust base coatings are known as a corrosion protection pigment more or less high proportions contain metallic zinc. This zinc is spherical and specifically difficult.

Derartige Pigmente konnten jedoch bislang nicht in einem Tauch­ becken, bei der Flutapplikation oder bei einem Schleuderverfah­ ren eingesetzt werden, ohne daß sich inhomogene Oberflächen ausbilden. Somit war die Beschichtung mit Zink- oder Zinkalumi­ niumpigmenten in einem Tauch- oder Flutverfahren bislang nicht möglich.However, such pigments have so far not been able to dive basin, in the flood application or in a spin process Ren are used without inhomogeneous surfaces form. So the coating was with zinc or zinc aluminum nium pigments in a dipping or flooding process so far not possible.

Es ist daher Aufgabe der Erfindung ein Korrosionsschutzmittel zu schaffen, das einerseits Zink- oder Zinkaluminiumpigmente enthält, sich andererseits jedoch auch für Tauchbecken, Flut­ applikationen und Schleuderverfahren anwenden läßt.It is therefore an object of the invention to provide an anti-corrosion agent to create the one hand zinc or zinc aluminum pigments contains, but on the other hand also for plunge pools, flood applications and spin processes can be used.

Diese Aufgabe wird durch ein Korrosionsschutzmittel gemäß An­ spruch 1 gelöst. Vorteilhafte Weiterbildungen sind Gegenstand der Unteransprüche.This task is performed by an anti-corrosion agent according to An spell 1 solved. Advantageous further developments are the subject of subclaims.

Erfindungsgemäß werden die Zink- oder Zinkaluminiumpigmente in Gestalt dünner Plättchen für das Flut- oder Tauchverfahren ein­ gesetzt. According to the zinc or zinc aluminum pigments Shape thin platelets for the flood or immersion process set.  

Durch die plättchenförmige Morphologie der Korrosionsschutzpig­ mente wird die Oberfläche des Pigments stark erhöht, was zu ei­ nem wesentlich langsameren Absetzen führt. Zusätzlich wird auf­ grund der erhöhten Oberfläche der Einfluß der Oberflächenspan­ nung in einer Korrosionsschutzbeschichtung oder Korrosions­ schutzgrundbeschichtung wesentlich stärker, so daß die Pigmente im umgebenden Medium sehr gut stabilisiert werden. Die Zink- oder Zinkaluminiumpigmente können somit zur Herstellung von Korrosionsschutzbeschichtungen metallischer Flächen im Tauch- oder Flutverfahren verwendet werden. Derartige Beschichtungen können auch zum Beschichten von Röhren im Pumpverfahren verwen­ det werden. Der Korrosionsschutz beruht auf dem kathodischen Effekt des Zinks und der verzementierenden. Wirkung des Zinks unter Reaktion mit Wasser, Sauerstoff und kohlensaurem Gas. Ge­ gebenenfalls können weitere Korrosionsschutzpigmente im Korro­ sionsschutzmittel eingesetzt werden. Die plättchenförmige Mor­ phologie der Korrosionsschutzpigmente ist auch unter Korrosi­ onsschutzgesichtspunkten vorteilhaft, da die Korrosionsschutz­ pigmente durch deren laminare Anordnung einen gewissen Barrie­ reeffekt in der Beschichtung ausüben.Due to the platelet-shaped morphology of the corrosion protection pig ment, the surface of the pigment is greatly increased, resulting in egg leads to much slower weaning. In addition, on due to the increased surface the influence of the surface chip corrosion protection coating or corrosion protective primer coating much stronger, so that the pigments be very well stabilized in the surrounding medium. The zinc or Zinc aluminum pigments can thus be used for the production of Corrosion protection coatings of metallic surfaces in immersion or Flooding processes are used. Such coatings can also be used to coat tubes using the pump method be det. The corrosion protection is based on the cathodic Effect of zinc and cementing. Effect of the zinc under reaction with water, oxygen and carbon dioxide gas. Ge if necessary, further corrosion protection pigments can be found in the corro ion protection agents are used. The platelike Mor The phology of the anti-corrosion pigments is also under corrosion Protection aspects advantageous because the corrosion protection a certain Barrie due to their laminar arrangement exert effect in the coating.

Eine Korrosionsschutzbeschichtung für die Anwendung in einem Flut- oder Tauchverfahren enthält vorzugsweise 50-80 Gew.-% Pigmente, 20-50 Gew.-% Bindemittel und den Rest Lösungsmittel. Die vorstehenden Gew.-%-Angaben beziehen auf das Gesamtgewicht der getrockneten Beschichtung.A corrosion protection coating for use in one Flood or immersion process preferably contains 50-80% by weight Pigments, 20-50 wt .-% binder and the rest of solvent. The above percentages by weight relate to the total weight the dried coating.

Unter den Pigmenten sind vorzugsweise 20-70 Gew.-% (bezogen auf das Gesamtgewicht an Pigmenten) Zink- oder Zinkaluminium­ pigmente. Als weitere Farb- bzw. Korrosionsschutzpigmente kön­ nen z. B. Zinkoxid bzw. Zinkphosphat zugesetzt werden. In der Gruppe der Pigmente können weiterhin Füllstoffe, wie z. B. Glim­ mer und Talkum, als auch Verdickungsmittel, wie z. B. Mineral­ mehle, enthalten sein. Weitere Pigmente umfassen Thixotropier­ mittel und andere bekannte Beschichtungszusätze.The pigments are preferably 20-70% by weight (based on on the total weight of pigments) zinc or zinc aluminum pigments. As further color or corrosion protection pigments  z. B. zinc oxide or zinc phosphate can be added. In the Group of pigments can also fillers such. B. Glim mer and talc, as well as thickeners, such as. B. Mineral flour, be included. Other pigments include thixotropic agents medium and other known coating additives.

Beispielexample

Ein oder mehrkomponentige Korrosionsschutzgrundbeschichtung mit einem Anteil von 10 bis 70 Gew.-%, insbesondere an 35 bis 60 Gew.-% (bezogen auf die flüssige Beschichtung) an plättchenför­ migen Zink- oder Zinkaluminiumpigmenten mit einem Bindemittel aus Epoxidharz mit Härter, Epoxyester und/oder Polyesterharz zum Einsatz als Tauch- und Flutfarbe.One or more component anti-corrosion coating with a proportion of 10 to 70% by weight, in particular 35 to 60% % By weight (based on the liquid coating) of platelet-shaped Zig or zinc aluminum pigments with a binder made of epoxy resin with hardener, epoxy ester and / or polyester resin for use as a diving and flood paint.

Anstelle Epoxy, Epoxyester oder Polyester können auch andere natürliche oder synthetische Bindemittel oder deren Gemische verwendet werden. Zusätzlich können besondere Netz- und Disper­ gierhilfsmittel wie z. B. mittel- bis hochmolekulare Polyester­ harze oder Acrylharze oder auch Seifen verwendet werden. Zu­ sätzlich kann das Korrosionsschutzmittel ein Thixotropiermittel wie z. B. feinteilige Kieselsäuren, Montmorillonite oder Rhizi­ nusölderivate aufweisen.Instead of epoxy, epoxy ester or polyester, others can also natural or synthetic binders or mixtures thereof be used. In addition, special network and disper yaw aids such. B. medium to high molecular weight polyester resins or acrylic resins or soaps can be used. To In addition, the anti-corrosion agent can be a thixotropic agent such as B. finely divided silicas, Montmorillonite or Rhizi have nut oil derivatives.

In der Regel wird das erfindungsgemäße Korrosionsschutzmittel als Korrosionsschutzgrundbeschichtung eingesetzt, die mit einem Farbauftrag überdeckt wird. Die Korrosionsschutzpigmente des erfindungsgemäßen Korrosionsschutzmittels können jedoch auch in einem Korrosionsschutzanstrich enthalten sein, der keinen Deck­ anstrich benötigt und selbst die erforderlichen Farbpigmente aufweist.As a rule, the anti-corrosion agent according to the invention used as a corrosion protection primer coating with a Paint application is covered. The corrosion protection pigments of the However, the anti-corrosion agent according to the invention can also be used in contain an anti-corrosion paint that does not have a deck  painting required and even the required color pigments having.

Die plätchenförmigen Zink- oder Zinkaluminiumpigmente haben vorzugsweise eine Dicke im Bereich von 0,2 bis 5 µm, insbeson­ dere von 0,4 bis 0,7 µm. Die Fläche der Plättchen beträgt vor­ zugsweise 0,5×10-4 bis 4×10-2 mm2. Der Durchmesser liegt vor­ zugsweise zwischen 12 und 18 µm.The flake-shaped zinc or zinc aluminum pigments preferably have a thickness in the range from 0.2 to 5 μm, in particular from 0.4 to 0.7 μm. The area of the platelets is preferably 0.5 × 10 -4 to 4 × 10 -2 mm 2 . The diameter is preferably between 12 and 18 microns.

Claims (7)

1. Korrosionsschutzmittel enthaltend plättchenförmige Zink- oder Zinkaluminiumpigmente zur Verwendung als Tauch- oder Flut­ beschichtung.1. Anticorrosive containing flaky zinc or Zinc aluminum pigments for use as a dip or flood coating. 2. Korrosionsschutzmittel nach Anspruch 1, dadurch gekennzeichnet, daß die Zink- oder Zinkaluminiumpigmente eine Stärke von 0,2 bis 5 µm und einen Durchmesser von 12 bis 18 µm aufweisen.2. Corrosion protection agent according to claim 1, characterized, that the zinc or zinc aluminum pigments have a strength of 0.2 up to 5 µm and have a diameter of 12 to 18 µm. 3. Korrosionsschutzmittel nach Anspruch 1 oder 2, gekennzeichnet durch, Epoxidharz mit Härter, Epoxyester oder Polyester als Bindemit­ tel.3. Corrosion protection agent according to claim 1 or 2, marked by, Epoxy resin with hardener, epoxy ester or polyester as binder tel. 4. Korrosionsschutzmittel nach einem der vorhergehenden Ansprü­ che, gekennzeichnet durch, mittel- bis hochmolekulare Polyester- oder Acrylharze als Dis­ pergiermittel.4. Corrosion protection agent according to one of the preceding claims che, marked by, medium to high molecular weight polyester or acrylic resins as dis perfuming agent. 5. Korrosionsschutzmittel nach einem der vorhergehenden Ansprü­ che, gekennzeichnet durch, feinteilige Kieselsäuren und/oder Montmorillonite und/oder Rhi­ zinusölderivate als Thixotropiermittel. 5. Corrosion protection agent according to one of the preceding claims che, marked by, finely divided silicas and / or montmorillonites and / or Rhi Castor oil derivatives as thixotropic agents.   6. Korrosionsschutzmittel nach einem der vorhergehenden Ansprü­ che, gekennzeichnet durch, einen Anteil der Zink- und/oder Zinkaluminiumpigmente zum Ge­ samtpigmentgehalt von 20 bis 70%.6. Corrosion protection agent according to one of the preceding claims che, marked by, a portion of the zinc and / or zinc aluminum pigments for Ge velvet pigment content from 20 to 70%. 7. Verwendung des Korrosionsschutzmittels nach einem der vor­ hergehenden Ansprüche als fließfähiges Beschichtungsmittel zur Pumpbeschichtung von Röhren.7. Use the anti-corrosion agent according to one of the before forthcoming claims as a flowable coating agent for Pump coating of tubes.
DE1997112642 1997-03-25 1997-03-25 Corrosion protecting primer coating for dip or immersion coating Withdrawn DE19712642A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1997112642 DE19712642A1 (en) 1997-03-25 1997-03-25 Corrosion protecting primer coating for dip or immersion coating

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Application Number Priority Date Filing Date Title
DE1997112642 DE19712642A1 (en) 1997-03-25 1997-03-25 Corrosion protecting primer coating for dip or immersion coating

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DE19712642A1 true DE19712642A1 (en) 1998-10-01

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1275872A1 (en) * 2001-02-23 2003-01-15 Kiriu Corporation Rotating brake member of braking device for vehicle
WO2009153451A1 (en) * 2008-06-18 2009-12-23 Ifp Duct with sheath having reduced perviousness to acid compounds
US7678184B2 (en) 2001-02-14 2010-03-16 Metal Coatings International Inc. Particulate metal alloy coating for providing corrosion protection
US7740947B2 (en) 2001-02-14 2010-06-22 Metal Coatings International Inc. Particulate metal alloy coating for providing corrosion protection

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DE2620987B2 (en) * 1975-05-15 1981-02-05 Diamond Shamrock Corp., Cleveland, Ohio (V.St.A.) Process and premix for the production of a paint containing a powdered metal for the anti-corrosion treatment of metal substrates
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DE3832142C2 (en) * 1988-09-22 1992-03-12 Basf Lacke + Farben Ag, 4400 Muenster, De
DE4030523A1 (en) * 1990-09-27 1992-04-02 Henkel Kgaa CORROSIVE, ZINC-CONTAINING CORROSION PROTECTION AGENT AND METHOD FOR PRODUCING CORROSION PROTECTION LAYERS ON METAL SURFACES
DE4137591A1 (en) * 1990-11-27 1992-06-04 Sika Chemie Gmbh POWDER MIXTURE FOR THE PRODUCTION OF A BASE COATING AGENT FOR STEEL SURFACES

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DE2831269A1 (en) * 1978-07-17 1980-01-31 Helmut G Reitenspies Zinc repair paint contg. zinc flake and aluminium powder - in resin soln., is useful on damaged galvanised steel and has low sedimentation rate
DE3003286C2 (en) * 1980-01-30 1982-05-19 Basf Farben + Fasern Ag, 2000 Hamburg Article consisting of an electrically conductive substrate and a metallic-looking coating firmly adhering to it, as well as a method for producing the object, aqueous electrodeposition bath and its use
DE3433483A1 (en) * 1983-09-13 1985-03-28 Toyo Aluminium K.K., Osaka ALUMINUM ALLOY PIGMENT
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DE3938883A1 (en) * 1989-11-24 1991-05-29 Basf Lacke & Farben METHOD FOR COATING ELECTRICALLY CONDUCTIVE SUBSTRATES AND CATHODICALLY DEPOSITABLE AQUEOUS ELECTRO Dipped Lacquer
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DE4030523A1 (en) * 1990-09-27 1992-04-02 Henkel Kgaa CORROSIVE, ZINC-CONTAINING CORROSION PROTECTION AGENT AND METHOD FOR PRODUCING CORROSION PROTECTION LAYERS ON METAL SURFACES
DE4137591A1 (en) * 1990-11-27 1992-06-04 Sika Chemie Gmbh POWDER MIXTURE FOR THE PRODUCTION OF A BASE COATING AGENT FOR STEEL SURFACES

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7678184B2 (en) 2001-02-14 2010-03-16 Metal Coatings International Inc. Particulate metal alloy coating for providing corrosion protection
US7740947B2 (en) 2001-02-14 2010-06-22 Metal Coatings International Inc. Particulate metal alloy coating for providing corrosion protection
EP1275872A1 (en) * 2001-02-23 2003-01-15 Kiriu Corporation Rotating brake member of braking device for vehicle
EP1275872A4 (en) * 2001-02-23 2004-09-22 Kiriu Corp Rotating brake member of braking device for vehicle
US7261191B2 (en) 2001-02-23 2007-08-28 Kiriu Corporation Rotating brake member of braking device for vehicle
WO2009153451A1 (en) * 2008-06-18 2009-12-23 Ifp Duct with sheath having reduced perviousness to acid compounds
FR2932870A1 (en) * 2008-06-18 2009-12-25 Inst Francais Du Petrole CONDUIT WITH SHEATH WITH REDUCED PERMEABILITY TO ACIDIC COMPOUNDS
AU2009261877B2 (en) * 2008-06-18 2015-06-11 IFP Energies Nouvelles Pipe with sheath having reduced permeability to acid compounds

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