EP4662015A1 - Méthode de peinture d'un véhicule automobile - Google Patents

Méthode de peinture d'un véhicule automobile

Info

Publication number
EP4662015A1
EP4662015A1 EP24701819.5A EP24701819A EP4662015A1 EP 4662015 A1 EP4662015 A1 EP 4662015A1 EP 24701819 A EP24701819 A EP 24701819A EP 4662015 A1 EP4662015 A1 EP 4662015A1
Authority
EP
European Patent Office
Prior art keywords
painting
motor vehicle
component
coat
drying
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.)
Pending
Application number
EP24701819.5A
Other languages
German (de)
English (en)
Inventor
Dirk Altmann
Ulrike Burg
Uwe Hornig
Katharina Gallenkemper
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
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP4662015A1 publication Critical patent/EP4662015A1/fr
Pending 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
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
    • 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
    • B05D3/02—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 baking
    • B05D3/0254—After-treatment
    • B05D3/0272—After-treatment with ovens
    • 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
    • B05D7/53—Base coat plus clear coat type
    • B05D7/534—Base coat plus clear coat type the first layer being let to dry at least partially before applying the second layer
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • 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
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/10—Phosphatation
    • 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
    • B05D2503/00—Polyurethanes
    • 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
    • B05D7/14—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
    • B05D7/142—Auto-deposited coatings, i.e. autophoretic coatings

Definitions

  • the invention relates to a method for painting a motor vehicle or a motor vehicle component in the series production of motor vehicles according to the preamble of independent patent claim 1.
  • EP 0 142 700 A1 discloses a non-aqueous paint with high stone chip protection, which contains a mixture of film-forming, hydroxyl-containing copolymers with blocked polyisocyanates as a binder. The ratio of isocyanate to hydroxyl groups is 1.7 to 2.2. The remaining free isocyanate groups are reacted with alkyl acetoacetic esters, which have methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl or sec-butyl groups as alkyl groups.
  • EP 0 142 700 A1 also discloses a process for producing such a non-aqueous paint and its use.
  • EP 3 307 804 B1 discloses a polyurethane coating composition and its use in multi-layer coatings.
  • the polyurethane coating composition contains at least one component (A) containing polyhydroxyl groups, at least one component (B) with an average of at least one isocyanate group and with an average of at least one hydrolyzable silane group, at least one phosphorus- and nitrogen-containing catalyst (D) for the crosslinking of silane groups and at least one catalyst (Z) for the reaction of the hydroxyl groups with the isocyanate groups.
  • EP 3 307 804 B1 discloses a process for producing multi-layer coatings using this coating composition and a multi-layer coating that can be produced using this process.
  • EP 0 959 085 A1 discloses a coating agent comprising at least one OH-functional binder component and at least one compound component functioning as a crosslinking agent with an NCO group blocked by a pyrazole compound.
  • the compound component functioning as a crosslinking agent is obtainable by a) polymerizing a polyol or a mixture of polyols with a number-average molecular weight in the range of 300 - 5000 by adding a polyisocyanate compound A or a mixture of polyisocyanate compounds A to form a polyurethane prepolymer, b) chain-extending the polyurethane prepolymer by adding a chain-extending compound to form a polyurethane polymer with free OH groups, c) reacting the OH-group-containing polyurethane polymer from b) with a polyisocyanate B or a mixture of polyisocyanates B to form a polyisocyanate-polyurethane polymer, and d) blocking free is
  • the invention is based on the object of reducing the energy requirement in a painting process, in particular the energy requirement for the chemical curing of paint layers, and increasing energy efficiency.
  • the object is achieved by a method for painting a motor vehicle or a component of a motor vehicle, which comprises the following steps:
  • an adhesion-promoting layer in particular a phosphating layer or a silane layer, to the component to be painted
  • the base coat being a 2-component paint containing an isocyanate hardener
  • painting a motor vehicle means painting a body with or without add-on parts such as doors or tailgates.
  • painting a motor vehicle usually takes place after the shell has been completed, in particular after the body and, if applicable, add-on parts connected to the body such as doors or tailgates have been manufactured before assembly.
  • the body can in particular be made from a plurality of sheets which are connected to one another by welding and/or bonding processes and thus form a supporting structure for the motor vehicle.
  • the method described can also be used to paint motor vehicle components, in particular add-on parts such as doors, tailgates, roofs, mirror housings or the like, which are only connected to the body of the motor vehicle in a production step following painting.
  • Cathodic dip painting is a painting or coating process in which the component to be painted is electrically negatively charged and dipped into a bath of paint or a coating material, whereby the paint or coating material is deposited on the surface of the component to be painted and bonds with it.
  • cathodic dip painting is used to apply a primer to the component to be painted.
  • a drying process is understood to be a process in which, in addition to physical drying, a chemical hardening process of the respective primer or paint layer takes place using heat.
  • a 2-component paint is a paint that contains both color pigments for coloring and a hardener for chemically hardening the paint.
  • intermediate drying is a process in which an applied layer of paint is heated in such a way that the layer of paint dries and a prevents further running of the paint in a subsequent process step.
  • Intermediate drying can in particular also include at least partial hardening of the applied paint layer.
  • a top coat is the combination of a base coat and a clear coat applied to the base coat.
  • the base coat and the clear coat form different layers of the top coat.
  • the method according to the invention for painting a motor vehicle makes it possible to dispense with the typical drying temperatures known from the prior art for chemically curing the top coat of around 140°C when curing the top coat and enables drying and curing of the top coat at temperatures below 100°C, preferably below 90°C.
  • This can reduce the energy required when painting a motor vehicle.
  • Reducing the temperature during drying from around 140°C to 90°C enables energy savings of around 50% when drying and curing the top coat.
  • the reduction in temperature is possible in particular by using a 2-component paint with an isocyanate hardener for the base coat and a 2-component paint with an isocyanate hardener for the clear coat in conjunction with intermediate drying of the base coat before applying the clear coat.
  • the method according to the invention is intended in particular for painting vehicle bodies or body parts in a large-scale process, in particular in a painting line in which 100 bodies or more are painted per day.
  • the additional features mentioned in the dependent claims enable advantageous improvements and further developments of the method for painting a motor vehicle or a motor vehicle component mentioned in the independent claim.
  • the application of the base coat and/or the application of the clear coat is carried out without applying a filler material.
  • a filler material By dispensing with a filler material, one or more additional work steps such as drying the filler material can be dispensed with. This allows both the system costs and the costs for the entire painting process to be reduced.
  • sealing and/or insulating materials are applied to the primer and then base coat is applied to these sealing and/or insulating materials without the sealing or insulating material being pre-gelled or hardened in any other way. This allows the energy requirement for painting motor vehicles to be further reduced.
  • a preferably non-coloring primer or pre-zone paint in particular a two-component primer or pre-zone paint which comprises an isocyanate hardener, is applied wet-on-wet to the component to be painted.
  • a non-coloring primer or pre-zone paint using electrostatic high rotation allows the paint layer of the base coat to be thinner for certain paints and/or colors. This allows both the amount of base coat used to be reduced and an overall better painting result to be achieved.
  • the base coat is applied to the pre-zone coat without an intermediate drying process.
  • the cycle time in the painting process can be reduced.
  • the system costs can be minimized.
  • the pre-zone coat and the base coat are each applied by a robot in a spray process, both the pre-zone coat and the base coat can be applied to the component by a robot by simply changing a spray head.
  • the intermediate drying after application of the base coat is carried out at a temperature of 55°C - 70°C, preferably at a temperature of 60°C - 65°C, in a circulating air dryer. This allows pre-drying and stabilization of the base coat to be achieved with particularly low energy consumption. Typical drying times for such intermediate drying are 6 to 12 minutes, particularly preferably 7 to 8 minutes.
  • the drying of the clear coat takes place at a temperature of the painted component of 80°C - 90°C for at least 25 minutes.
  • a temperature of the painted component of 80°C - 90°C for at least 25 minutes.
  • the surface of the component to be painted is degreased, in particular dip degreasing. Degreasing can improve the adhesion of the phosphating layer and thus the overall painting result.
  • the application of the base coat and/or the application of the clear coat is carried out using a high-speed rotary atomizer.
  • the application of the base coat and/or the clear coat, in particular both the base coat and the clear coat, using a high-speed rotary atomizer enables a particularly uniform painting result. It has also been found that the 2-component paints for the base coat and the clear coat can be applied particularly effectively to the component to be painted using such a high-speed rotary atomizer.
  • the base coat and/or the clear coat preferably the base coat and the clear coat, (each) is applied by a robot to the primer or to a coating applied to the primer by means of a spraying process.
  • applied pre-zone paint This makes it possible to achieve a particularly uniform and consistently reproducible painting result. Furthermore, in such a process it is possible to take into account the results of color changes between successive components or vehicles and to adapt the painting processes accordingly.
  • a further aspect of the invention relates to a control device for controlling a painting process, wherein the control device comprises a memory unit and a computing unit, wherein a computer program code is stored in the memory unit, which, when executed by the computing unit, carries out a method according to the invention for painting a motor vehicle or a motor vehicle component.
  • Figure 1 is a schematic representation of a system for painting a
  • Figure 2 shows a preferred layer structure of a coating of a component, in particular a sheet metal, which is painted using a method according to the invention for painting a motor vehicle, and
  • Figure 3 shows a flow chart for carrying out a method according to the invention for painting a motor vehicle or a motor vehicle component.
  • Figure 1 shows a schematic representation of a system 10 for painting a motor vehicle 100 or a motor vehicle component 102, in particular a body 50 or a component 52 of a motor vehicle 100, for example a door 54, a tailgate 56, a sheet metal 58, a hood or similar components 52.
  • the system 10 comprises a dip degreasing 12, a dip phosphating 14 for applying a phosphating layer 62 to a surface 48 of the component 52 and a device for electrostatic manipulation 16 of the component 52.
  • the system 10 further comprises a cathodic dip painting 18 for applying a primer 64 and a first Drying oven 20 to dry the body 50 or the component 52 after applying the primer 64 and to chemically harden the primer 64.
  • the system 10 comprises a sealing station 22 at which gaps in the body 50 are sealed.
  • a sprayable insulating material can be introduced into the gaps or cavities in the body 50.
  • the system 10 further comprises a pre-painting station 24 for applying a pre-zone paint 78 to the primer 64 and a base-painting station 26 for applying a base-coat 66.
  • the base-painting station 26 comprises a first robot 34 with a first spray device 36, in particular with a high-speed rotary atomizer 38, for applying a paint layer of the base-coat 66.
  • an intermediate drying oven 28 is provided in the system 10, with which the base-coat 66 and any pre-zone paint 78 present are dried and hardened.
  • the system 10 further comprises a clear coat station 30 for applying a clear coat 68.
  • the clear coat station 30 comprises a second robot 40 with a second spray device 42, in particular with a second high-speed rotary atomizer 44, for applying a coat of clear coat 68.
  • the system 10 is provided with a drying oven 32, with which the clear coat 68 and the underlying coats 66, 78 of the top coat are finally dried and hardened.
  • the system 10 further comprises a transport unit 46, in particular a conveyor belt or a conveyor frame, with which the bodies 50 or components 52 are conveyed from one station to the next station through the system 10.
  • the pre-painting station 24 can also be omitted.
  • the system 10 further comprises a control device 70 with a memory unit 72 and a computing unit 74, in particular a control device for a painting line, wherein a computer program code 76 is stored in the memory unit 72, which executes a method according to the invention for painting a motor vehicle when the computer program code 76 is executed by the computing unit 74 of the control device.
  • a control device 70 with a memory unit 72 and a computing unit 74, in particular a control device for a painting line, wherein a computer program code 76 is stored in the memory unit 72, which executes a method according to the invention for painting a motor vehicle when the computer program code 76 is executed by the computing unit 74 of the control device.
  • Figure 2 shows a layer structure of a coating according to the invention on a surface 48 of a component 52, for example a sheet metal 58.
  • the illustration is exemplary for further components 52 which are painted using the method according to the invention for painting a motor vehicle 100.
  • a zinc layer 60 is applied to the component 52 for reasons of corrosion protection, which is applied to the component 52 before painting.
  • the zinc layer 60 can be applied to a sheet metal 58 during its production, so that a galvanized starting material is already available. supplied and prepared for the painting process.
  • the paint comprises a phosphating layer 62, a primer 64 with a thickness of approximately 20pm, a base coat 66 with a thickness of approximately 30pm and a clear coat 68 with a thickness of approximately 50pm.
  • the base coat 66 and the clear coat 68 are also referred to as a top coat.
  • the paint has a total thickness of 90pm to 120pm.
  • the paint can additionally have a pre-zone paint 78, which is applied to the primer 64 before the base coat 66 is applied.
  • Figure 3 shows a flow chart for carrying out a method according to the invention for painting a motor vehicle 100 or a component 102, for example a body 50, a door 54, a tailgate 56, a sheet metal 58 or another component 52 of a motor vehicle 100.
  • the motor vehicle 100 to be painted, the motor vehicle component 102 to be painted or the component 52 to be painted is preferably coated with a zinc layer 60, which can be applied electrochemically or by means of a hot-dip galvanizing process.
  • a first method step ⁇ 200> the component 52 is degreased and then a phosphating layer 62 is applied. Such degreasing and phosphating can be carried out in particular using appropriate immersion baths.
  • a primer 64 is applied to the motor vehicle 100, the motor vehicle component 102 or the component 52.
  • the primer 64 is applied by means of a cathodic dip coating 18.
  • the motor vehicle 100, the motor vehicle component 102 or the part 52 is electrically negatively charged, whereby the paint particles are attracted to the negatively charged motor vehicle 100, the motor vehicle component 102 or the part 52 during the cathodic dip coating 18.
  • the body 50 or the part 52 is dried in a drying oven in which the primer 64 is chemically cured. Such drying usually takes place at a temperature of about 180°C - 200°C.
  • a pre-zone paint 78 can be applied to the primer 64.
  • the pre-zone paint 78 is preferably applied using a spray device 36, 42, in particular using a high-speed rotary atomizer 38, 44.
  • the paint applied in the pre-zone paint 78 can in particular a non-coloring base coat and is preferably designed as a 2-component paint with an isocyanate hardener.
  • a paint layer of a base coat 66 is applied to the primer 64 or the pre-zone paint 78.
  • the base coat 66 is preferably applied using a first spray device 36, in particular using a first high-speed rotary atomizer 38.
  • the base coat 66 can be applied using the first high-speed rotary atomizer 38, in particular at speeds of the high-speed rotary atomizer 38 of 25,000 - 65,000 rpm.
  • a paint layer with a thickness of approximately 10 - 35 pm is applied.
  • the base coat 66 and any pre-zone paint 78 present under the base coat 66 are dried and hardened in an intermediate drying oven 28.
  • the intermediate drying preferably takes place in a circulating air mode of the intermediate drying oven 28 at a temperature of 60°C to 80°C, preferably 60°C to 65°C and a drying time of 6 to 10 minutes, preferably 7 to 8 minutes.
  • a clear coat 68 is applied to the dried base coat 66.
  • the application of the clear coat 68 is preferably carried out by means of a second spray device 42, in particular by means of a second high-speed rotary atomizer 44.
  • the application of the clear coat 68 by means of the second high-speed rotary atomizer 44 can in particular take place at speeds of the high-speed rotary atomizer 38 of 25,000 - 65,000 rpm.
  • a final drying of the top coat layers 66, 68 takes place in a drying oven 32, wherein the drying preferably takes place in a circulating air mode of the drying oven 32 at a temperature of 80 - 100°C, preferably at 85°C - 90°C.
  • the topcoat is dried and chemically cured in the drying oven 32 for at least 25 minutes, preferably for at least 30 minutes, wherein a temperature of the body 50 or the component 52 is monitored to ensure that the component 52 to be painted or the body 50 to be painted has an object temperature of more than 80°C for at least 25 minutes, preferably longer than 25 minutes. This can ensure that the topcoat layers 66, 68 are sufficiently cured and stable after drying.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

L'invention concerne une méthode de peinture d'un véhicule automobile (100) ou d'un composant de véhicule automobile (102), ladite méthode comprenant les étapes suivantes : - appliquer une couche favorisant l'adhérence (62) sur le composant (52) à peindre, - appliquer une amorce (64) sur la couche favorisant l'adhérence (62) par peinture par immersion cathodique (18), - sécher l'amorce (64), - appliquer une peinture de base (66) sur l'amorce (64), la peinture de base (66) étant une peinture à deux composants, qui comprend un durcisseur isocyanate, - réaliser un séchage intermédiaire de la peinture de base (66), le séchage intermédiaire ayant lieu à une température inférieure à 90°C, - appliquer une laque transparente (68) sur la peinture de base (66), la laque transparente étant une laque à deux composants, qui comprend un durcisseur isocyanate, et - sécher la laque transparente (68) conjointement avec une pré-couche de matériau d'étanchéité et d'isolation, une peinture de base, le séchage de la laque transparente (68) ayant lieu à une température de 75°C à 95°C. L'invention concerne également un système (10) et un dispositif de commande (70) pour mettre en œuvre une telle méthode.
EP24701819.5A 2023-02-10 2024-01-19 Méthode de peinture d'un véhicule automobile Pending EP4662015A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023201121.2A DE102023201121B3 (de) 2023-02-10 2023-02-10 Verfahren zum Lackieren eines Kraftfahrzeuges
PCT/EP2024/051268 WO2024165297A1 (fr) 2023-02-10 2024-01-19 Méthode de peinture d'un véhicule automobile

Publications (1)

Publication Number Publication Date
EP4662015A1 true EP4662015A1 (fr) 2025-12-17

Family

ID=89715967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24701819.5A Pending EP4662015A1 (fr) 2023-02-10 2024-01-19 Méthode de peinture d'un véhicule automobile

Country Status (4)

Country Link
EP (1) EP4662015A1 (fr)
CN (1) CN120693217A (fr)
DE (1) DE102023201121B3 (fr)
WO (1) WO2024165297A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3337395A1 (de) 1983-10-14 1985-05-02 Herberts Gmbh, 5600 Wuppertal Nichtwaessriger lack mit hohem steinschlagschutz, verfahren zu seiner herstellung und dessen verwendung
DE3545618A1 (de) * 1985-12-21 1987-06-25 Basf Lacke & Farben Wasserverduennbares ueberzugsmittel zur herstellung der basisschicht eines mehrschichtueberzuges
DE3722005A1 (de) 1987-07-03 1989-01-12 Herberts Gmbh Verfahren zur herstellung eines mehrschichtueberzuges und hierfuer geeignetes waessriges ueberzugsmittel
DE4137615A1 (de) 1991-11-15 1993-05-19 Herberts Gmbh Bindemittelzusammensetzung, deren herstellung, diese enthaltende ueberzugsmittel und deren verwendung
DE4322242A1 (de) * 1993-07-03 1995-01-12 Basf Lacke & Farben Wäßriges Zweikomponenten-Polyurethan-Beschichtungsmittel, Verfahren zu seiner Herstellung und seine Verwendung in Verfahren zur Hestellung einer Mehrschichtlackierung
DE19822631A1 (de) 1998-05-20 1999-11-25 Basf Coatings Ag Beschichtungsmittel, die geblockte Polyurethanprepolymere enthalten, und deren Verwendung
AU2004216851A1 (en) * 2003-03-07 2004-09-16 Akzo Nobel Coatings International B.V. Method and primer compositioin for coating a non-polar substrate
US20050031873A1 (en) * 2003-08-04 2005-02-10 Guenter Berschel Method for multi-coat refinishing of substrates
US20090053410A1 (en) * 2007-08-22 2009-02-26 Basf Corporation Compact painting process
MX2017016472A (es) 2015-06-15 2018-05-17 Basf Coatings Gmbh Composiciones de un material de recubrimiento de poliuretano y su uso para producir sistemas de pintura de multiples recubrimientos.
MX2020004125A (es) * 2017-10-23 2020-08-13 Basf Coatings Gmbh Sistema de materiales de la capa de imprimacion para sustratos plasticos.

Also Published As

Publication number Publication date
DE102023201121B3 (de) 2024-06-13
CN120693217A (zh) 2025-09-23
WO2024165297A1 (fr) 2024-08-15

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