WO2003025076A1 - Procede pour la production d'une peinture multicouche sur une carrosserie de vehicule et materiau de revetement - Google Patents
Procede pour la production d'une peinture multicouche sur une carrosserie de vehicule et materiau de revetement Download PDFInfo
- Publication number
- WO2003025076A1 WO2003025076A1 PCT/EP2002/009862 EP0209862W WO03025076A1 WO 2003025076 A1 WO2003025076 A1 WO 2003025076A1 EP 0209862 W EP0209862 W EP 0209862W WO 03025076 A1 WO03025076 A1 WO 03025076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filler
- resistant
- basecoat
- layer
- color
- Prior art date
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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
Definitions
- the invention relates to a method for producing a multilayer coating of a vehicle body according to the preamble of claim 1 and a coating material according to the preamble of claim 2.
- multi-layer coating of vehicle bodies is carried out, in which aqueous coating compositions are also used to an increasing extent.
- at least one filler layer is applied to a primed metal surface, to which a pigmented basecoat and then usually a clearcoat are then applied.
- the body-in-white comes into the paint shop, its surface is covered with a wafer-thin oil film and remnants of drawing fat that is sprayed onto the metal sheets before deep-drawing.
- the bodies are first degreased in a spray and full immersion zone.
- the cleaned bodies are given a zinc-phosphate coating, which acts as corrosion protection and adhesion promoter for the subsequent primer.
- the zinc phosphate layer is rinsed and compacted in a passivation zone.
- the underbody and the wheel arches are coated with plastic, which increases the mechanical resistance and long-term protection of the underbody.
- the materials used for this are pre-gelled in a dryer and the final drying takes place in the further processing steps.
- an elastic filler primer is applied, which is applied electrostatically on the inside of the body using conventional guns and on the outside of the body. After application, the bodies pass through a drying oven at approx. 160 ° C.
- This filler primer has the task of filling unevenness in the substrate and ensuring good adhesion to both the substrate and the next layer. It also protects against stone chips.
- the first top coat consists of a color-imparting basecoat, which is applied using conventional guns in the interior of the body and then electrostatically (60 - 70% of the amount of paint) on the outside of the body and in a second step (30 - 40%) the amount of paint) is painted with conventional guns.
- electrostatically 60 - 70% of the amount of paint
- second step (30 - 40%) the amount of paint
- the second top coat consists of a transparent clear coat. This is usually applied inside the body with conventional pistols and applied outside with electrostatic atomizers. The bodies are then burned in at approx. 140 ° C.
- the finished painted bodies are then subjected to a wax flood process.
- the cavities are preserved at around 120 ° C with hot wax.
- the painting process is finished with this further increase in corrosion protection.
- the filler primer and the basecoat layer are applied in the same material with a color-imparting, light-resistant basecoat filler in only one layer, which fulfills both the filler function and the function of the basecoat.
- the basecoat filler consists of the following components with the following proportions in percentages by weight:
- the object of the invention is achieved with the features of claim 2, wherein the coating material as a color-imparting, light-resistant basecoat filler consists of the above-mentioned components with the stated proportions in percentages by weight.
- the basecoat filler advantageously has good filling properties to smooth out unevenness in the substrate, good stone chip protection properties thanks to PU components and is also UV-resistant. Metallic flakes can be used to achieve metallic effects.
- the color-imparting basecoat in the topcoat can advantageously be saved by the colored water filler according to the invention. This results in further advantages of a reduction in waste water and paint sludge, cost advantages due to the lower amount of paint per body, a reduction in application machines, lower emissions per m 2 of body surface and a reduction in color change costs.
- the basecoat filler already has the desired color of the exterior paint, the previously known basecoat application according to the prior art can be dispensed with.
- a two-stage basecoat application was previously known, which can be reduced to only one paint application using the basecoat filler according to the invention.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
L'invention concerne un procédé servant à produire une peinture multicouche sur une carrosserie de véhicule, ainsi qu'un matériau de revêtement. Le matériau de revêtement selon l'invention est une matière de charge de peinture d'apprêt chromophore et photostable qui sert à produire une couche ayant une fonction de charge et de peinture d'apprêt et qui est composée des constituants suivants en pourcentages en poids : 6 à 20 % de liant polyuréthanne résistant aux UV ; 2 à 10 % de liant polyester résistant aux UV ; 0 à 5 % de liant réticulant résistant aux UV ; 1 à 30 % de pigments et substances à effet spécifiques à la nuance ; 0 à 20 % de charges spécifiques à la nuance ; 0 à 8 % d'additifs ; 0 à 15 % de cosolvants ; 20 à 65 % d'eau. Il est ainsi possible de produire, en une seule couche et avec un seul matériau, un fond de charge et une peinture d'apprêt de sorte qu'on peut renoncer à l'application distincte, jusqu'ici nécessaire, d'une couche de peinture d'apprêt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001145344 DE10145344A1 (de) | 2001-09-14 | 2001-09-14 | Verfahren zur Herstellung einer mehrschichtigen Lackierung einer Fahrzeugkarosserie und Beschichtungsmaterial |
DE10145344.2 | 2001-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003025076A1 true WO2003025076A1 (fr) | 2003-03-27 |
Family
ID=7699035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/009862 WO2003025076A1 (fr) | 2001-09-14 | 2002-09-04 | Procede pour la production d'une peinture multicouche sur une carrosserie de vehicule et materiau de revetement |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10145344A1 (fr) |
WO (1) | WO2003025076A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013174894A1 (fr) | 2012-05-24 | 2013-11-28 | Basf Se | Compositions aqueuses de liants |
CN104087149A (zh) * | 2014-07-21 | 2014-10-08 | 段宝荣 | 一种耐光性水性聚氨酯涂料的制备方法 |
CN105602429A (zh) * | 2016-02-23 | 2016-05-25 | 广州市迪孚卡乐进出口贸易有限公司 | 一种皮革边油 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0548727A2 (fr) * | 1991-12-21 | 1993-06-30 | Hoechst Aktiengesellschaft | Liant autoréticulable, diluable dans l'eau, à modification uréthane, à groupes hydroxyle et compositions le contenant |
EP0583728A1 (fr) * | 1992-08-19 | 1994-02-23 | Hoechst Aktiengesellschaft | Composition de revêtement à deux composants diluables à l'eau |
DE19837063A1 (de) * | 1998-08-17 | 2000-02-24 | Bayer Ag | Verwendung einer wäßrigen Bindemittelkombination zur Herstellung von physikalisch trocknenden Überzügen |
US6319981B1 (en) * | 1991-10-29 | 2001-11-20 | Bayer Aktiengesellschaft | Coating compounds, a process for their production and their use for the production of coatings |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3936288A1 (de) * | 1989-11-01 | 1991-05-02 | Bayer Ag | In wasser dispergierbare bindemittelkombinationen, ein verfahren zur herstellung eines einbrennfuellers und dessen verwendung |
US5379947A (en) * | 1993-11-09 | 1995-01-10 | Basf Corporation | Process for producing a powder coating composition |
DE19757080A1 (de) * | 1997-12-20 | 1999-06-24 | Herberts Gmbh | Verfahren zur mehrschichtigen Lackierung von Substraten |
DE19907988A1 (de) * | 1999-02-25 | 2000-08-31 | Bayer Ag | Wäßrige Sperrschicht auf Basis von Polyurethan-Dispersionen |
-
2001
- 2001-09-14 DE DE2001145344 patent/DE10145344A1/de not_active Withdrawn
-
2002
- 2002-09-04 WO PCT/EP2002/009862 patent/WO2003025076A1/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6319981B1 (en) * | 1991-10-29 | 2001-11-20 | Bayer Aktiengesellschaft | Coating compounds, a process for their production and their use for the production of coatings |
EP0548727A2 (fr) * | 1991-12-21 | 1993-06-30 | Hoechst Aktiengesellschaft | Liant autoréticulable, diluable dans l'eau, à modification uréthane, à groupes hydroxyle et compositions le contenant |
EP0583728A1 (fr) * | 1992-08-19 | 1994-02-23 | Hoechst Aktiengesellschaft | Composition de revêtement à deux composants diluables à l'eau |
DE19837063A1 (de) * | 1998-08-17 | 2000-02-24 | Bayer Ag | Verwendung einer wäßrigen Bindemittelkombination zur Herstellung von physikalisch trocknenden Überzügen |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013174894A1 (fr) | 2012-05-24 | 2013-11-28 | Basf Se | Compositions aqueuses de liants |
US9382442B2 (en) | 2012-05-24 | 2016-07-05 | Basf Se | Aqueous binder compositions |
CN104087149A (zh) * | 2014-07-21 | 2014-10-08 | 段宝荣 | 一种耐光性水性聚氨酯涂料的制备方法 |
CN105602429A (zh) * | 2016-02-23 | 2016-05-25 | 广州市迪孚卡乐进出口贸易有限公司 | 一种皮革边油 |
Also Published As
Publication number | Publication date |
---|---|
DE10145344A1 (de) | 2003-04-24 |
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