WO1999049990A1 - Method for coating a surface and composite coating - Google Patents

Method for coating a surface and composite coating Download PDF

Info

Publication number
WO1999049990A1
WO1999049990A1 PCT/EP1998/001940 EP9801940W WO9949990A1 WO 1999049990 A1 WO1999049990 A1 WO 1999049990A1 EP 9801940 W EP9801940 W EP 9801940W WO 9949990 A1 WO9949990 A1 WO 9949990A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
zinc primer
coating
lacquer
composite coating
Prior art date
Application number
PCT/EP1998/001940
Other languages
French (fr)
Inventor
Jacobus Lambertus Van Merksteijn
Original Assignee
Vms Holding Ag
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 to NL1003987A priority Critical patent/NL1003987C2/en
Application filed by Vms Holding Ag filed Critical Vms Holding Ag
Priority to PCT/EP1998/001940 priority patent/WO1999049990A1/en
Publication of WO1999049990A1 publication Critical patent/WO1999049990A1/en

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
    • B05D7/52—Two layers
    • 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
    • B05D7/14—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 to metal, e.g. car bodies
    • B05D7/16—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 to metal, e.g. car bodies using synthetic lacquers or varnishes
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D

Definitions

  • the invention relates to a method for coating a surface and to a composite coating of a surface.
  • Zinc primer is used as coating material particularly for steel and galvanized steel components.
  • a surface is usually blasted and then cleaned thoroughly for this purpose.
  • oil, grease, salt and other contamination is usually removed by high-pressure water.
  • Rust and other substandard coatings are removed by means of blasting or brushing.
  • the zinc primer can subsequently be applied by means of painting, rolling, spraying and so on.
  • the thus applied zinc primer layer gives a good protection for a few years, depending on the situation in which it is used and the number of layers in which it is applied, i.e. the total layer thickness. A good protection of the steel structure can thus be obtained for instance for 5 years using a zinc primer.
  • the present invention has for its object to provide a simple method for applying a composite coating which has a lifespan which is several times greater than the lifespan of an existing zinc primer layer.
  • the invention also has for its object to provide a composite coating which can be built up of standard materials but which has a lifespan which is several times greater than the lifespan of a coating formed by zinc primer.
  • the invention provides for this purpose a method as described in claim 1.
  • the invention also provides a composite coating as described in claim 2.
  • This composite coating which is the result of performing the described method, has the advantage that by stacking the zinc primer layer and the lacquer layer a synergy effect is obtained in respect of 2 the total lifespan of the composite layer.
  • the zinc primer layer is reinforced against scratching or other penetration.
  • the hard particles will in any case prevent the scraping element directly penetrating to the underlying structural part . It is otherwise noted here that the composite layer and the proposed method can be applied not only for structural parts in maritime and industrial environments but that applications outside these fields can also be envisaged.
  • the zinc primer is preferably water-borne since such a zinc primer can be processed in environmentally friend- ly manner and therefore also imposes few restrictions in respect of the environment and manner of coating.
  • the homogenous lacquer layer is preferably an enamelled powder lacquer layer consisting at least partially of epoxy, epoxy polyester or polyester.
  • said materials also have the advantage that they adhere very well to the zinc primer layer, are very water-resistant and, if this is required, can also be repaired easily.
  • the present invention will be further elucidated with reference to the non-limitative embodiment shown in the following figure.
  • the figure shows in cross-section a structural part 1 on which a zinc primer layer 2 is applied.
  • Sheet-like mica particles 3 are included in zinc primer layer 2, which particles 3 make zinc primer layer 3
  • Mica sheets 3 have a thickness of for instance 40 ⁇ m.
  • a lacquer layer 4 is subsequently applied to zinc primer layer 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a method for coating a surface by the successive steps of: applying a zinc primer to the surface; and applying a lacquer in powder form over the zinc primer and enamelling by respectively heating the powder lacquer and allowing it to cool whereby the powder forms a homogeneous layer over the zinc primer.

Description

METHOD FOR COATING A SURFACE AND COMPOSITE COATING
The invention relates to a method for coating a surface and to a composite coating of a surface.
Structural parts, particularly in maritime and industrial environments, are usually heavily loaded. Zinc primer is used as coating material particularly for steel and galvanized steel components. In the case of new steel a surface is usually blasted and then cleaned thoroughly for this purpose. Also in the case of repair and maintenance the surface must be cleaned thoroughly, wherein oil, grease, salt and other contamination is usually removed by high-pressure water. Rust and other substandard coatings are removed by means of blasting or brushing. The zinc primer can subsequently be applied by means of painting, rolling, spraying and so on. The thus applied zinc primer layer gives a good protection for a few years, depending on the situation in which it is used and the number of layers in which it is applied, i.e. the total layer thickness. A good protection of the steel structure can thus be obtained for instance for 5 years using a zinc primer.
The present invention has for its object to provide a simple method for applying a composite coating which has a lifespan which is several times greater than the lifespan of an existing zinc primer layer. The invention also has for its object to provide a composite coating which can be built up of standard materials but which has a lifespan which is several times greater than the lifespan of a coating formed by zinc primer.
The invention provides for this purpose a method as described in claim 1.
The invention also provides a composite coating as described in claim 2. This composite coating, which is the result of performing the described method, has the advantage that by stacking the zinc primer layer and the lacquer layer a synergy effect is obtained in respect of 2 the total lifespan of the composite layer. This means that a zinc primer layer, which has an individual lifespan of for instance 5 years, combined with a lacquer layer, which has an individual lifespan of a few years, results in a composite layer with a lifespan of for instance 25 years.
Applying the lacquer layer over the zinc primer layer by means of powder coating has the advantage that this process is environmentally friendly and can be performed in automated manner. By automating the powder coating a lacquer layer can also be obtained of substantially constant thickness.
When the zinc primer comprises hard material particles, for instance metal particles, metal oxide particles or mica sheets, the zinc primer layer is reinforced against scratching or other penetration. The hard particles will in any case prevent the scraping element directly penetrating to the underlying structural part . It is otherwise noted here that the composite layer and the proposed method can be applied not only for structural parts in maritime and industrial environments but that applications outside these fields can also be envisaged.
The zinc primer is preferably water-borne since such a zinc primer can be processed in environmentally friend- ly manner and therefore also imposes few restrictions in respect of the environment and manner of coating.
The homogenous lacquer layer is preferably an enamelled powder lacquer layer consisting at least partially of epoxy, epoxy polyester or polyester. In addition to the above stated advantages of simple application of such a layer, said materials also have the advantage that they adhere very well to the zinc primer layer, are very water-resistant and, if this is required, can also be repaired easily. The present invention will be further elucidated with reference to the non-limitative embodiment shown in the following figure. The figure shows in cross-section a structural part 1 on which a zinc primer layer 2 is applied. Sheet-like mica particles 3 are included in zinc primer layer 2, which particles 3 make zinc primer layer 3
2 difficult to penetrate. Mica sheets 3 have a thickness of for instance 40 μm. A lacquer layer 4 is subsequently applied to zinc primer layer 2.
*****

Claims

1. Method for coating a surface by the successive steps of:
- applying a zinc primer to the surface; and
- applying a lacquer in powder form over the zinc primer and enamelling by respectively heating the powder lacquer and allowing it to cool whereby the powder forms a homogeneous layer over the zinc primer.
2. Composite coating of a surface, wherein the layer applied to the surface is a zinc primer layer and the layer applied to the zinc primer layer is a homogeneous lacquer layer obtained by performing the method as claimed in claim 1.
3. Composite coating as claimed in claim 2, wherein the zinc primer layer contains hard material particles.
4. Composite coating as claimed in claim 3, wherein the hard material particles are mica sheets.
5. Composite coating as claimed in any of the claims 2-4, wherein the zinc primer layer is water-borne.
6. Composite coating as claimed in any of the claims 2-5, wherein the homogenous lacquer layer is an enamelled powder lacquer layer.
7. Composite coating as claimed in any of the claims 2-6, wherein the homogenous lacquer layer consists at least partially of epoxy, epoxy polyester or polyester.
*****
PCT/EP1998/001940 1996-09-10 1998-03-31 Method for coating a surface and composite coating WO1999049990A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL1003987A NL1003987C2 (en) 1996-09-10 1996-09-10 Method for covering a surface and composite covering layer.
PCT/EP1998/001940 WO1999049990A1 (en) 1996-09-10 1998-03-31 Method for coating a surface and composite coating

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003987A NL1003987C2 (en) 1996-09-10 1996-09-10 Method for covering a surface and composite covering layer.
PCT/EP1998/001940 WO1999049990A1 (en) 1996-09-10 1998-03-31 Method for coating a surface and composite coating

Publications (1)

Publication Number Publication Date
WO1999049990A1 true WO1999049990A1 (en) 1999-10-07

Family

ID=26070308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/001940 WO1999049990A1 (en) 1996-09-10 1998-03-31 Method for coating a surface and composite coating

Country Status (2)

Country Link
NL (1) NL1003987C2 (en)
WO (1) WO1999049990A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006074395A1 (en) * 2005-01-07 2006-07-13 The Sherwin-Williams Company Slip-resistant coating composition and substrate coated therewith

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003987C2 (en) * 1996-09-10 1998-03-11 Vms Holding Ag Method for covering a surface and composite covering layer.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279962A (en) * 1978-12-20 1981-07-21 Olga Meyer Protective coating for cathodically protected metal surfaces
JPS5765362A (en) * 1980-10-08 1982-04-20 Dainippon Toryo Co Ltd Treatment of galvanized surface
WO1992009664A1 (en) * 1990-11-27 1992-06-11 Sika Chemie Gmbh Two-component epoxy resin/zinc dust priming coat for steel surfaces
EP0579253A1 (en) * 1992-07-16 1994-01-19 Nippon Paint Co., Ltd. Process of coating a corrosion protect film on a steel substrate
RU2036212C1 (en) * 1992-07-31 1995-05-27 Киселев Вадим Михайлович Priming material
EP0697277A2 (en) * 1994-07-05 1996-02-21 CWW-GERKO Akustik GmbH & Co. KG Heat and sound reducing coating
NL1003987C2 (en) * 1996-09-10 1998-03-11 Vms Holding Ag Method for covering a surface and composite covering layer.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4279962A (en) * 1978-12-20 1981-07-21 Olga Meyer Protective coating for cathodically protected metal surfaces
JPS5765362A (en) * 1980-10-08 1982-04-20 Dainippon Toryo Co Ltd Treatment of galvanized surface
WO1992009664A1 (en) * 1990-11-27 1992-06-11 Sika Chemie Gmbh Two-component epoxy resin/zinc dust priming coat for steel surfaces
EP0579253A1 (en) * 1992-07-16 1994-01-19 Nippon Paint Co., Ltd. Process of coating a corrosion protect film on a steel substrate
RU2036212C1 (en) * 1992-07-31 1995-05-27 Киселев Вадим Михайлович Priming material
EP0697277A2 (en) * 1994-07-05 1996-02-21 CWW-GERKO Akustik GmbH & Co. KG Heat and sound reducing coating
NL1003987C2 (en) * 1996-09-10 1998-03-11 Vms Holding Ag Method for covering a surface and composite covering layer.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 8221, Derwent World Patents Index; Class A21, AN 82-43045E, XP002032125 *
DATABASE WPI Section Ch Week 9604, Derwent World Patents Index; Class A12, AN 96-038592, XP002032124 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006074395A1 (en) * 2005-01-07 2006-07-13 The Sherwin-Williams Company Slip-resistant coating composition and substrate coated therewith

Also Published As

Publication number Publication date
NL1003987C2 (en) 1998-03-11

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