EP2087943A1 - Verfahren zur Bereitstellung einer gemusterten Beschichtung - Google Patents
Verfahren zur Bereitstellung einer gemusterten Beschichtung Download PDFInfo
- Publication number
- EP2087943A1 EP2087943A1 EP08002095A EP08002095A EP2087943A1 EP 2087943 A1 EP2087943 A1 EP 2087943A1 EP 08002095 A EP08002095 A EP 08002095A EP 08002095 A EP08002095 A EP 08002095A EP 2087943 A1 EP2087943 A1 EP 2087943A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- patterned
- coating
- magnetic field
- coating composition
- 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- Withdrawn
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
- B05D3/203—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields pre-treatment by magnetic fields
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- 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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
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- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
- B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
Definitions
- the present invention relates to a method for providing a patterned coating on a substrate, such as an automotive part.
- Automotive parts are often coated, painted, lacquered or the like.
- the coating preferably have protecting properties, but also give a nice visible appearance of the automotive part.
- Advanced patterns on coated articles give a nice appearance to the article, and also to products comprising the articles.
- handcraft is typically needed, which is both time demanding and very expensive.
- the pattern and the precision depend on the skills of the person performing the pattern.
- Another general object is to provide a method, which provides the possibility to reduce pressed surface geometries of automotive articles, which reduces the risk for corrosion and/or which results in articles which can easily be washed.
- the present invention relates to a method for providing a patterned coating on a substrate, said method comprising:
- a patterned coating on a surface of a at least partly magnetizable substrate is provided, wherein a pattern, which is advanced; which has new exciting looks; or which provides a three dimensional effect easily can be achieved. Further, it is possible to produce a pattern over a large surface area efficiently, less expensive and with improved results compared to the existing alternatives.
- the method is beneficial for large production volumes and can easily be standardized.
- a patterned painting on an automotive part an impression of e.g. a shadow can be produced on the part.
- the automotive parts such as on the car body
- press lines can many times be replaced by a patterned painting, which gives the illusion of the fold.
- the car body part can be more planar, reducing the pressing of the automotive part and providing a more easily washed part. This reduces the corrosion problematic.
- the magnetic field is arranged in the substrate by at least partly magnetizing the substrate by an external patterned magnetic field; and removing the external field when the substrate is at least partly magnetized.
- the magnetizable material of the substrate comprises a ferromagnetic material.
- a patterned magnetic filed is readily arranged.
- the magnetic component of the coating composition comprises a ferromagnetic material.
- the magnetic component of the coating composition can for example be small flakes or needles, which readily aligns to the patterned magnetic field of the substrate.
- the method may also comprise fixating said coating composition on said substrate.
- the method may also comprise the step of demagnetizing the substrate, since it in subsequent steps of the processing of the substrate may be disadvantageous to have a magnetized substrate.
- the method of the present invention is used for coating an automotive part, such as carriage body part, with a patterned coating.
- Fig. 1a illustrates a method for arranging a patterned magnetic field in a substrate.
- Fig. 1b illustrates a method for applying a coating composition onto a substrate.
- Fig. 1c illustrates a third step of the coating method.
- FIG.1a where a method according to the invention for arranging a patterned magnetic field in a magnetizable substrate 1 is schematically illustrated.
- a magnetizing device 2 producing a patterned magnetic field is applied to the substrate 1, for obtaining an at least partly magnetized substrate.
- the magnetizing device 2 is removed.
- the patterned magnetic field of the magnetizing device is essentially reproduced in the obtained magnetic field of the magnetizable substrate 1.
- the field strength of the magnetic field of the magnetizing device, as well as the time sufficient to produce the magnetic field in the substrate, depends on the material properties of the substrate. However, these conditions are obvious to the skilled person trying to utilize the present invention.
- the magnetic field can be generate by any technology providing magnetic fields, such as using electrically producing magnetic fields or using a magnetic material, such as ferromagnetic materials.
- patterned magnetic field arranged in a substrate refers to a magnetic field that exhibits a varying field strength, direction and/or polarity over the surface of the substrate that is to be coated.
- the magnetizable substrate is a ferromagnetic material, such as iron steel, or any other ferromagnetic material commonly used in automotive parts.
- the substrate may be a non-ferromagnetic carrier material that comprises ferromagnetic material held by, such as dispersed or distributed in, the non-ferromagnetic carrier.
- the coating composition can be applied by any method commonly known coating method, such as for example spraying the coating composition onto the substrate 1.
- the coating composition is typically a liquid coating composition, such as a lacquer or a paint, which comprises a magnetic component, for example in the form of metal flakes or needles dispersed therein.
- the coating can have any chemical state such as a liquid, solid, dispersion or a suspension as long as a patterned coating can be obtained.
- the magnetic component may have a desired colour, for example a different colour tone of or a contrast colour to that of the coating composition, or may be metallic, black, etc.
- the magnetic component of the coating composition is allowed to align to the patterned magnetic field of the substrate.
- a coated substrate comprising a pattern, which has formed using the method according to the invention, is shown.
- the coating is preferably fixated, e.g. cured, hardened or dried, to fixate the pattern.
- the substrate When the pattern has been fixated onto the substrate, it may be advantageous to demagnetize the substrate. This can be done by any demagnetizing procedures known to those skilled in the art.
- patterned magnetic field different patterns can be used, such as a line, a dot, circles, symbols, and schematics of objects and images.
- the method of the present invention can be used for producing a pattern which has any geometrical shape or shapes and/of for producing visible effects such as shadows and 3D effects.
- the substrate does not need to be planar. Instead, the means for arranging the magnetic field in the substrate can have a shape adapted to fit any curvature of the substrate. Further, the coating can refer to a continuous or discontinuous layer or film, which is formed on the substrate.
- the coating method can be repeated on the substrate surface in order to create multi layer effects.
- the coating method can be a paint or screen printing technology. In addition, it can be combined with additional processes, such as laser etching.
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08002095A EP2087943A1 (de) | 2008-02-05 | 2008-02-05 | Verfahren zur Bereitstellung einer gemusterten Beschichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08002095A EP2087943A1 (de) | 2008-02-05 | 2008-02-05 | Verfahren zur Bereitstellung einer gemusterten Beschichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2087943A1 true EP2087943A1 (de) | 2009-08-12 |
Family
ID=39632425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08002095A Withdrawn EP2087943A1 (de) | 2008-02-05 | 2008-02-05 | Verfahren zur Bereitstellung einer gemusterten Beschichtung |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2087943A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010055008A1 (en) * | 2008-11-11 | 2010-05-20 | Crown Packaging Technology, Inc. | Magnetised coating effect |
US20130089733A1 (en) * | 2011-10-06 | 2013-04-11 | GM Global Technology Operations LLC | Structural panels stiffened by magnetically-assisted application of thick polymer coatings |
CN103521410A (zh) * | 2013-10-14 | 2014-01-22 | 大连理工大学 | 车身表面三维图案的自动喷绘方法 |
WO2014108303A1 (en) * | 2013-01-09 | 2014-07-17 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
WO2014108404A2 (en) * | 2013-01-09 | 2014-07-17 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect; processes and devices for their production; items carrying an optical effect layer; and uses thereof |
WO2018054819A1 (en) * | 2016-09-22 | 2018-03-29 | Sicpa Holding Sa | Apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2006848A1 (en) * | 1970-02-14 | 1971-09-02 | Magnetfabrik Bonn GmbH, vormals Gewerkschaft Windhorst, 5300 Bonn Bad Godesberg, Weilburger Lackfabrik, J Grebe, 6290 Weilburg | Magnetic loaded varnish for prodn of pat-terns |
WO2007065998A1 (fr) * | 2005-12-08 | 2007-06-14 | Pivaudran Techniques Et Innovations | Procede de fabrication d'un objet en matiere synthetique moulee pouvant etre magnetisee et objet obtenu |
WO2007107549A1 (en) * | 2006-03-21 | 2007-09-27 | Akzo Nobel Coatings International B.V. | Method of applying a pattern to a substrate |
-
2008
- 2008-02-05 EP EP08002095A patent/EP2087943A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2006848A1 (en) * | 1970-02-14 | 1971-09-02 | Magnetfabrik Bonn GmbH, vormals Gewerkschaft Windhorst, 5300 Bonn Bad Godesberg, Weilburger Lackfabrik, J Grebe, 6290 Weilburg | Magnetic loaded varnish for prodn of pat-terns |
WO2007065998A1 (fr) * | 2005-12-08 | 2007-06-14 | Pivaudran Techniques Et Innovations | Procede de fabrication d'un objet en matiere synthetique moulee pouvant etre magnetisee et objet obtenu |
WO2007107549A1 (en) * | 2006-03-21 | 2007-09-27 | Akzo Nobel Coatings International B.V. | Method of applying a pattern to a substrate |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010055008A1 (en) * | 2008-11-11 | 2010-05-20 | Crown Packaging Technology, Inc. | Magnetised coating effect |
US20130089733A1 (en) * | 2011-10-06 | 2013-04-11 | GM Global Technology Operations LLC | Structural panels stiffened by magnetically-assisted application of thick polymer coatings |
US9724956B2 (en) | 2013-01-09 | 2017-08-08 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect; processes and devices for their production; items carrying an optical effect layer; and uses thereof |
AU2013372261B2 (en) * | 2013-01-09 | 2017-08-24 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
WO2014108404A2 (en) * | 2013-01-09 | 2014-07-17 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect; processes and devices for their production; items carrying an optical effect layer; and uses thereof |
US10682877B2 (en) | 2013-01-09 | 2020-06-16 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
WO2014108404A3 (en) * | 2013-01-09 | 2014-12-04 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect; processes and devices for their production; items carrying an optical effect layer; and uses thereof |
CN104903009A (zh) * | 2013-01-09 | 2015-09-09 | 锡克拜控股有限公司 | 显示依赖于视角的光学效应的光学效应层、其生产过程和装置、带有光学效应层的物品及其使用 |
US9849713B2 (en) | 2013-01-09 | 2017-12-26 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
WO2014108303A1 (en) * | 2013-01-09 | 2014-07-17 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect, processes and devices for their production, items carrying an optical effect layer, and uses thereof |
AU2014204887B2 (en) * | 2013-01-09 | 2017-08-24 | Sicpa Holding Sa | Optical effect layers showing a viewing angle dependent optical effect; processes and devices for their production; items carrying an optical effect layer; and uses thereof |
CN103521410A (zh) * | 2013-10-14 | 2014-01-22 | 大连理工大学 | 车身表面三维图案的自动喷绘方法 |
CN103521410B (zh) * | 2013-10-14 | 2014-10-22 | 大连理工大学 | 车身表面三维图案的自动喷绘方法 |
WO2018054819A1 (en) * | 2016-09-22 | 2018-03-29 | Sicpa Holding Sa | Apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles |
JP2019536652A (ja) * | 2016-09-22 | 2019-12-19 | シクパ ホルディング ソシエテ アノニムSicpa Holding Sa | 配向された非球状磁性顔料粒子又は磁化可能顔料粒子を含む光学効果層を生成するための装置及び方法 |
US10737526B2 (en) | 2016-09-22 | 2020-08-11 | Sicpa Holding Sa | Apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles |
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