EP2976163B1 - Procédé - Google Patents

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Publication number
EP2976163B1
EP2976163B1 EP14708528.6A EP14708528A EP2976163B1 EP 2976163 B1 EP2976163 B1 EP 2976163B1 EP 14708528 A EP14708528 A EP 14708528A EP 2976163 B1 EP2976163 B1 EP 2976163B1
Authority
EP
European Patent Office
Prior art keywords
body part
painting
layer
water
motor vehicle
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.)
Revoked
Application number
EP14708528.6A
Other languages
German (de)
English (en)
Other versions
EP2976163A1 (fr
Inventor
Uwe Hornig
Ulrike Burg
Katharina Gallenkemper
Klaus Christen
Klaus ROTHS
Dirk Altmann
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.)
Volkswagen AG
Original Assignee
Volkswagen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50238376&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2976163(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP2976163A1 publication Critical patent/EP2976163A1/fr
Application granted granted Critical
Publication of EP2976163B1 publication Critical patent/EP2976163B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/572—Three layers or more the last layer being a clear coat all layers being cured or baked together

Definitions

  • the present invention relates to a method for painting a body part of a motor vehicle, which comprises the method steps mentioned in claim 1.
  • one or more special basecoat films are used which may comprise several components.
  • cathodic dip painting is followed by the application of a pre-zone varnish, to which a special basecoat is applied.
  • the Vorzonenlack be executed as a one-component Vorzonenlack or as a two-component Vorzonenlack and color matched to the subsequently applied basecoat.
  • the coating processes involving the application of a filler generate high energy costs, in particular because burning the filler is very energy intensive, the special basecoats needed for the paint processes involving no filler are more expensive.
  • these special basecoats considerably fewer color shades than with the simple basecoats which are used in the coating processes involving a filler can be realized.
  • DE 103 11 476 A1 discloses a method in which after a cathodic dip coating in the next step, a water-based paint is applied. Finally, a powder slurry clearcoat is applied after the application of another aqueous basecoat.
  • GB 2 308 554 A discloses a method for painting a body part of a motor vehicle, in which after a cathodic dip coating a metallic paint is applied wet in wet and then drying takes place. The coating applied during the cathodic dip coating simultaneously constitutes a bonding layer to the subsequently applied metallic paint.
  • US 2010/0143705 A1 discloses a process for the production of multilayer coatings in light metal shades, in which a base coat is applied to a pre-painted substrate, then a clear coat is applied and the base coat and clear coat are co-cured.
  • WO 2007/044773 A2 discloses a method for building a multilayer coating, in particular for the exterior painting of motor vehicles, in which a basecoat and then a clearcoat are applied to an electrodeposited primer layer and these three layers are cured simultaneously.
  • a method for painting a body part of a motor vehicle comprises the following method steps: performing a cathodic dip coating, then applying a Vorzonenlacktik as a two-component lacquer layer, wherein the second component is designed as a hardener additive, as a wet-in-wet low-temperature filler without prior drying of cathodic dip coating, subsequent application of a water-dilutable basecoat film as a coloring layer, subsequent application of a clearcoat film and baking of the clearcoat film.
  • the basecoat to be used according to the invention is a simple one, widespread in its use as well as cost-effective paint, which is no longer to vote on the used in the painting process Vorzonenlack.
  • the related Vorzonenlack can be applied as a wet-in-wet paint, so that the previously applied paint does not need to dry.
  • the subsequent application of the basecoat can be done almost immediately after the application of the Vorzonenlacks. As a result, waiting or service life in the painting process can be drastically reduced compared with the state of the art.
  • Vorzonenlack In the step of applying a Vorzonenlack Anlagen the Vorzonenlack harsh is designed as a two-component lacquer layer. This is the second component of the two-component Vorzonenlacks or 2K-Vorzonenlacks to a hardener additive, so a hardener or a hardening agent, which the 2K-Vorzonenlack good adhesion to the underlying layer or under him layers and a good Resistance to stone chips.
  • the method for painting a body part of a motor vehicle preferably also comprises the step of ventilating the clearcoat layer applied to the body part.
  • the step of applying a waterborne basecoat layer to the body panel further comprises the step of intermediate drying the waterborne basecoat layer.
  • Such an intermediate drying of the water-dilutable basecoat layer applied to the body part can be followed by the application of a clearcoat material directly to the intermediate drying. As a result, the total time taken by the painting process of the body part can be reduced again.
  • the waterborne basecoat material is a coloring layer.
  • the waterborne basecoat material preferably comprises organic and / or inorganic pigments.
  • the water-dilutable basecoat preferably comprises synthetic resin.
  • the water-dilutable basecoat comprises at least one effect generator and / or a solvent.
  • the water-dilutable basecoat used is a cost-effective, water-dilutable basecoat which already has or provides the hue or dye to which the bodywork part to be painted after completion of the process for painting a bodywork part of a motor vehicle , So after completion of the painting process should have.
  • this water-dilutable basecoat is particularly cost-effective.
  • for such simple, water-dilutable basecoats in particular because of their widespread use, far more color shades have been developed and released than for the special basecoats of other coating processes of the prior art.
  • FIG. 1 a flowchart of an embodiment of a method according to the invention for painting a body part of a motor vehicle is shown.
  • the inventive method begins in this embodiment with the step of performing a cathodic dip paint S1, in this embodiment, a body part of a motor vehicle.
  • the body part is completely submerged in a trough in this embodiment for pretreatment and placed on a predetermined electrical potential, which differs from the potential of a counter electrode located in the tub.
  • the trough is in this embodiment further comprises an electrically conductive, aqueous dip coat, which, stimulated by a DC field, which is applied between the counter electrode and the body part, settles on the body part.
  • the method step of applying a pre-zone lacquer layer S3 as a wet-on-wet low-temperature filler is followed by the body part to be painted. Since the pre-zone lacquer layer is applied wet to wet, no drying of the lacquer layer applied during the cathodic dip coating must be carried out prior to application of the pre-zone lacquer. The Vorzonenlack or Vorzonelack harsh is thus applied directly to the not yet dried, applied during the cathodic dip coating paint layer.
  • the pre-zone lacquer is a two-component pre-zone lacquer, wherein the second component of this pre-zone lacquer is designed as a hardener additive. Such two-component pre-zone coatings can be obtained, for example, from DuPont.
  • FIG. 1 illustrated flow diagram of an embodiment of a method according to the invention for painting a body part of a motor vehicle is followed by the application of a Vorzonenlack Anlagen S3 the application of a water-dilutable basecoat layer S4 on the body part.
  • the water-dilutable basecoat is a coloring layer, that is to say has the color which the body part to be painted should have after the end of the process.
  • the water-dilutable basecoat purely by way of example a red color.
  • the optional step of intermediate drying S6 of the water-dilutable basecoat layer follows, in which the water-dilutable basecoat is first dried prior to the further treatment of the bodywork part.
  • the intermediate drying S6 in this exemplary embodiment of the method is followed, by way of example, by the application of a clearcoat film S2 to the bodywork part as well as the burning in of the clearcoat film applied to the bodywork part.
  • the clearcoat layer may also have a hue or a substance adjusting or at least influencing the hue or the appearance of the body part and / or a material adjusting or at least influencing the hue or appearance of the body part and / or adjusting the hue or appearance of the body part or at least influencing component.
  • the method according to the invention furthermore optionally comprises the step of unclamping S5 of the clearcoat layer applied to the bodywork part.
  • embodiments of the method according to the invention for painting in particular a body part of a motor vehicle can be carried out, which do not include such a step of venting.
  • the method step of flash-off S5 the method according to the invention is completed purely by way of example in this exemplary embodiment.
  • processes according to the invention which, in addition to those listed above, also comprise further process steps and / or in which the abovementioned process steps are carried out in a sequence other than that shown above.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (3)

  1. Procédé de peinture d'une pièce de carrosserie d'un véhicule automobile, comprenant les étapes de procédé suivantes :
    - réalisation d'une peinture par immersion cathodique (S1) ;
    - application subséquente d'une couche de peinture sur l'avant (S3) en tant que couche de peinture à deux composants, le deuxième composant étant réalisé sous forme de durcisseur, en tant que charge à basse température, humide sur humide, sans séchage préalable de la peinture par immersion cathodique ;
    - application subséquente d'une couche de peinture de base (S4) diluable à l'eau en tant que couche de coloration ;
    - application subséquente d'une couche de vernis transparent (S2) et cuisson de la couche de vernis transparent.
  2. Procédé de peinture d'une pièce de carrosserie d'un véhicule automobile selon la revendication 1, dans lequel le procédé de peinture d'une pièce de carrosserie d'un véhicule automobile comprend en outre l'étape d'aération (S5) de la couche de vernis transparent appliquée sur la pièce de carrosserie.
  3. Procédé de peinture d'une pièce de carrosserie d'un véhicule automobile selon l'une quelconque des revendications précédentes, dans lequel l'étape d'application d'une couche de peinture de base diluable à l'eau sur la pièce de carrosserie (S4) comprend en outre l'étape de séchage intermédiaire (S6) de la couche de peinture de base diluable à l'eau.
EP14708528.6A 2013-03-23 2014-03-03 Procédé Revoked EP2976163B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013005100.2A DE102013005100A1 (de) 2013-03-23 2013-03-23 Verfahren
PCT/EP2014/054022 WO2014154443A1 (fr) 2013-03-23 2014-03-03 Procédé

Publications (2)

Publication Number Publication Date
EP2976163A1 EP2976163A1 (fr) 2016-01-27
EP2976163B1 true EP2976163B1 (fr) 2017-12-06

Family

ID=50238376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14708528.6A Revoked EP2976163B1 (fr) 2013-03-23 2014-03-03 Procédé

Country Status (4)

Country Link
EP (1) EP2976163B1 (fr)
CN (1) CN105073279A (fr)
DE (1) DE102013005100A1 (fr)
WO (1) WO2014154443A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119454A1 (de) * 2015-11-11 2017-05-11 Webasto SE Flächiges Fahrzeugkarosserieteil

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0595186A1 (fr) 1992-10-23 1994-05-04 Herberts Gesellschaft mit beschränkter Haftung Procédé pour l'élaboration de peintures multicouches
GB2308554A (en) 1995-12-28 1997-07-02 Nippon Paint Co Ltd Film forming method
DE10018582A1 (de) 2000-04-14 2001-10-25 Basf Coatings Ag Verfahren zur Herstellung von farb- und/oder effektgebenden Mehrschichtlackierungen auf Kraftfahrzeugkarosserien oder Teilen hiervon
DE10027290A1 (de) 2000-06-02 2001-12-13 Basf Coatings Ag Pulverklarlackdispersionen (Pulverslurry-Klarlacke), Verfahren und ihre Verwendung
DE10311476A1 (de) 2003-03-15 2004-09-23 Basf Coatings Ag Verfahren zur Verbesserung der Zwischenschichthaftung in einer Mehrschichtlackierung
DE102004028368A1 (de) 2003-08-27 2005-03-24 Basf Coatings Aktiengesellschaft Verfahren zur Herstellung farb- und/oder effektgebender Mehrschichtlackierungen
WO2007044773A2 (fr) 2005-10-07 2007-04-19 E. I. Du Pont De Nemours And Company Procede de formation d'un revetement multicouche sur des carrosseries d'automobile, sans cuisson de la couche d'appret
DE102006030059A1 (de) 2006-06-29 2008-01-17 Basf Coatings Ag Verfahren zur Herstellung farb- und/oder effektgebender Mehrschichtlackierungen
DE102008054283A1 (de) 2008-11-03 2010-06-02 Basf Coatings Japan Ltd., Yokohama Farb- und/oder effektgebende Mehrschichtlackierungen mit pigmentfreien Lackierungen als Füller-Ersatz, ihre Herstellung und Verwendung
US20100143705A1 (en) 2004-09-27 2010-06-10 E. I Du Pont De Nemours And Company Process For Producing Multi-Layer Coatings In Light Metallic Color Shades
JP2012096204A (ja) 2010-11-05 2012-05-24 Nippon Tokushu Toryo Co Ltd 自動車車体の耐チッピング性複数塗装塗膜の形成方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006027762A1 (de) * 2006-06-16 2007-12-20 Basf Coatings Ag Seitenständige saure Phosphonsäureestergruppen enthaltende Copolymerisate olefinisch ungesättigter Monomere, Verfahren zu ihrer Herstellung und ihre Verwendung

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0595186A1 (fr) 1992-10-23 1994-05-04 Herberts Gesellschaft mit beschränkter Haftung Procédé pour l'élaboration de peintures multicouches
GB2308554A (en) 1995-12-28 1997-07-02 Nippon Paint Co Ltd Film forming method
DE10018582A1 (de) 2000-04-14 2001-10-25 Basf Coatings Ag Verfahren zur Herstellung von farb- und/oder effektgebenden Mehrschichtlackierungen auf Kraftfahrzeugkarosserien oder Teilen hiervon
DE10027290A1 (de) 2000-06-02 2001-12-13 Basf Coatings Ag Pulverklarlackdispersionen (Pulverslurry-Klarlacke), Verfahren und ihre Verwendung
DE10311476A1 (de) 2003-03-15 2004-09-23 Basf Coatings Ag Verfahren zur Verbesserung der Zwischenschichthaftung in einer Mehrschichtlackierung
DE102004028368A1 (de) 2003-08-27 2005-03-24 Basf Coatings Aktiengesellschaft Verfahren zur Herstellung farb- und/oder effektgebender Mehrschichtlackierungen
US20100143705A1 (en) 2004-09-27 2010-06-10 E. I Du Pont De Nemours And Company Process For Producing Multi-Layer Coatings In Light Metallic Color Shades
WO2007044773A2 (fr) 2005-10-07 2007-04-19 E. I. Du Pont De Nemours And Company Procede de formation d'un revetement multicouche sur des carrosseries d'automobile, sans cuisson de la couche d'appret
DE102006030059A1 (de) 2006-06-29 2008-01-17 Basf Coatings Ag Verfahren zur Herstellung farb- und/oder effektgebender Mehrschichtlackierungen
DE102008054283A1 (de) 2008-11-03 2010-06-02 Basf Coatings Japan Ltd., Yokohama Farb- und/oder effektgebende Mehrschichtlackierungen mit pigmentfreien Lackierungen als Füller-Ersatz, ihre Herstellung und Verwendung
JP2012096204A (ja) 2010-11-05 2012-05-24 Nippon Tokushu Toryo Co Ltd 自動車車体の耐チッピング性複数塗装塗膜の形成方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Spezial-Magazin 2 für Maler und Lackierer", RUCO, 2009, pages 1 - 2, XP055590430
J. FESSMANN ET AL.: "Angewandte Chemie und Umwelttechnik für Ingenieure", AUSZUG AUS DEM FACHBUCH, 2002, XP055590428

Also Published As

Publication number Publication date
WO2014154443A1 (fr) 2014-10-02
DE102013005100A1 (de) 2014-09-25
CN105073279A (zh) 2015-11-18
EP2976163A1 (fr) 2016-01-27

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