WO1996030131A1 - Verfahren zur mehrschichtlackierung - Google Patents
Verfahren zur mehrschichtlackierung Download PDFInfo
- Publication number
- WO1996030131A1 WO1996030131A1 PCT/EP1996/001316 EP9601316W WO9630131A1 WO 1996030131 A1 WO1996030131 A1 WO 1996030131A1 EP 9601316 W EP9601316 W EP 9601316W WO 9630131 A1 WO9630131 A1 WO 9630131A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coating
- layer
- basecoat
- coating layer
- layers
- Prior art date
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
- B05D7/577—Three layers or more the last layer being a clear coat some layers being coated "wet-on-wet", the others not
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12556—Organic component
- Y10T428/12569—Synthetic resin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
- Y10T428/31522—Next to metal
Definitions
- the invention relates to a method for producing multi-layer coatings.
- Basecoat and clearcoat are preferably applied wet-on-wet, i.e. after a flash-off time, if necessary with heating, and after subsequent application of a clear coat, the basecoat is baked together with the latter.
- Processes which reduce further baking steps have also become known, in which electrophoretically applied primer and filler layer are applied by the wet-on-wet process, as described, for example, in DE-A-41 26476 or EP-A-0595 186.
- the filler layers must be applied in a dry film thickness of 30 ⁇ m and more, which is common for filler coatings.
- the object of the invention is to provide a process for the production of multi-layer coatings, in particular motor vehicle coatings, with an overall property level comparable to that of the prior art, but with a reduced layer thickness
- the object is achieved by a process for the multi-layer coating of electrically conductive substrates by electrophoretic deposition of a first coating layer from an electrophoretically depositable aqueous coating agent and subsequent application of further coating layers, which is characterized in that wet-on the first coating layer obtained by electrophoretic deposition wet a second coating layer of a first color and / or effect basecoat coating agent is applied and the first and second coating layers thus obtained are baked together, whereupon a third coating layer of a second color and / or effect basecoat coating agent is applied and wet-in wet a fourth coating layer is applied from a clear lacquer coating agent and the third and fourth coating layers are baked together, the total dry layer thickness (sum of the layer thickness) of the second and third coating layers produced from the basecoat coating compositions is between 15 and 40 ⁇ m, preferably between 20 and 35 ⁇ m, and the proportion of the second coating layer is between 20 and 50%, preferably between 25 and 40%, of the total dry layer thickness of the second and third
- the method according to the invention makes it possible to directly onto the first one that has not yet been burned in Applying a basecoat coating agent and baking this together with the electrophoretically deposited coating layer, filler layers or other intermediate layers being omitted.
- the method according to the invention is preferably carried out in such a way that the joint baking of the third and fourth coating layers takes place at a temperature which is equal to, or particularly preferably falls below, the baking temperature prevailing when the first and second coating layers are jointly baked.
- anodically or cathodically depositable electrodeposition lacquers which are known per se and which are not subject to any particular restriction, can be used as the electrophoretically depositable coating agents to produce the first coating layer, namely a primer. .
- aqueous coating compositions with a solids content of, for example, 10 to 20% by weight.
- the solid is formed from binders customary for electrocoating, which carry ionic groups or groups which can be converted into ionic groups and groups capable of chemical crosslinking, as well as pigments, fillers and / or conventional additives.
- the ionic or convertible groups can be anionic or convertible groups, e.g. acidic groups such as -COOH groups or cationic or convertible groups, e.g. basic groups such as amino, ammonium, e.g. be quaternary ammonium groups, phosphonium and / or sulfonium groups. Binders with basic groups are preferred. Nitrogen-containing basic groups are particularly preferred.
- These groups can be quaternized or they are at least partially treated with a common neutralizing agent, an acid, e.g. an organic monocarboxylic acid, e.g. Formic acid or acetic acid converted into ionic groups.
- a common neutralizing agent an acid, e.g. an organic monocarboxylic acid, e.g. Formic acid or acetic acid converted into ionic groups.
- anionic which can be used in the process according to the invention
- Group-containing anodically depositable electrocoat binders and paints are described in DE-A-2824418. It is about for example, binders based on polyesters, epoxy resins, poly (meth) acrylates, maleate oils or polybutadiene oils with a weight average molecular weight of, for example, 300 to 10,000 and an acid number of 35 to 300 mg KOH / g.
- the binders carry -COOH, -SO ⁇ H and / or -P0 3 H 2 groups. After neutralization of at least some of the acidic groups, the resins can be converted into the water phase.
- the lacquers can also contain conventional crosslinking agents, for example triazine resins, crosslinking agents which contain groups capable of transesterification or blocked polyisocyanates.
- cathodic electrocoat materials based on cationic or basic binders can preferably be used in the process according to the invention.
- Such basic resins are, for example, primary, secondary or tertiary amino group-containing resins whose amine numbers are e.g. are 20 to 250 mg KOH / g.
- the weight average molecular weight (Mw) of the base resins is preferably from 300 to 10,000.
- Examples of such base resins are amino (meth) acrylate resins, amino epoxy resins, amino epoxy resins with terminal double bonds, amino epoxy resins with primary OH groups, aminopolyurethane resins, amino group-containing polybutadiene resins - Carbon dioxide amine conversion products.
- base resins can be self-crosslinking or they are used in a mixture with known crosslinking agents.
- crosslinkers are aminoplast resins, blocked polyisocyanates, crosslinkers with terminal double bonds, polyepoxide compounds or crosslinkers which contain groups capable of transesterification.
- base resins and crosslinking agents which can be used in cathodic immersion baths are in EP-A-0082 291, EP-A-0 234 395, EP-A-0227975, EP-A-0178531, EP-A-0333327, EP-A-0310971, EP-A-0 456270, US 3922253, EP-A-0261 385, EP-A-0 245 786, DE-A-33 24211, EP-A-0414 199, EP-A-0476514 described. These resins can be used alone or in a mixture. So-called "non-yellowing" CTL systems are preferably used, which prevent yellowing or discoloration of the multi-layer coating when baked. For example, these are KTL systems that crosslink using specially selected blocked polyisocyanates, such as in EP-A-0 265363.
- the electrocoat material (ETL) coating agent can contain pigments, fillers and / or additives customary in coating.
- the usual inorganic and / or organic pigments and fillers are suitable as pigments and fillers. Examples are carbon black, titanium dioxide, iron oxide, kaolin, talc or silicon dioxide.
- the pigments can be dispersed into pigment pastes, e.g. using known paste resins. Resins of this type are familiar to the person skilled in the art. Examples of paste resins that can be used in KTL baths are described in EP-A-0183025 and in EP-A-0469497.
- ETL coating agents are possible as additives.
- these are wetting agents, neutralizing agents, leveling agents, catalysts, antifoams, solvents, but in particular light stabilizers, if appropriate in combination with antioxidants.
- the basecoats which can be used according to the invention for the production of the second and third coating layers can be physically drying or can be crosslinked to form covalent bonds.
- the basecoats which crosslink with the formation of covalent bonds can be self- or externally crosslinking systems.
- the color and / or effect basecoats which can be used in the process according to the invention are liquid coating compositions. It can be a one- or multi-component coating agent, single-component are preferred. It can be systems based on organic solvents or preferably water-based paints, their Binder systems are stabilized in a suitable manner, for example anionically, cationically or non-ionically.
- the basecoat materials which can be used in the process according to the invention for the production of the second and third coating layers are customary paint systems which contain one or more customary base resins as film-forming binders. If the base resins are not self-crosslinking or self-drying, they can optionally also contain crosslinking agents. Both the base resin component and the crosslinker component are not subject to any limitation. Polyester, polyurethane and / or (meth) acrylic copolymer resins, for example, can be used as film-forming binders (base resins). In the case of the preferred water-based paints, polyurethane resins are preferably present, particularly preferably at least in a proportion of 15% by weight, based on the solid resin content of the
- crosslinking agents that may be present is not critical; it depends on the functionality of the base resins, i.e. the crosslinkers are selected so that they have a reactive functionality which is complementary to the functionality of the base resins.
- Examples of such complementary functionalities between base resin and crosslinker are: hydroxyl / methylol ether, hydroxyl / free isocyanate, hydroxyl / blocked isocyanate, carboxyl / epoxide. If compatible with one another, several such complementary functionalities can also be present side by side in one lacquer.
- the crosslinking agents which may be present in the basecoats can be present individually or in a mixture.
- the basecoats used in the process according to the invention contain, in addition to the usual physically drying and / or chemically crosslinking binders, inorganic and / or organic colored pigments and / or effect pigments, such as, for example, titanium dioxide, iron oxide pigments, carbon black, azo pigments, phthalocyanine pigments, metal pigments, for example made of titanium, aluminum or copper Interference pigments, such as, for example, titanium dioxide-coated aluminum, coated mica, graphite effect pigments, platelet-shaped iron oxide, platelet-shaped copper phthalocvanin pigments.
- the basecoats may also contain customary auxiliaries, such as, for example, fillers, catalysts, leveling agents, anti-cratering agents or in particular light stabilizers, if appropriate in conjunction with antioxidants.
- solvent-based basecoat systems which can be used in the process according to the invention can be found in DE-A-37 15254, DE-A-39 13001, DE-A-41 15948, DE-A-42 18 106, EP-A- 0289 997 and W0-91 00895.
- waterborne basecoat systems which can preferably be used in the process according to the invention can be found in DE-A-29 26584, DE-A-36 28 124, DE-A-3841540, DE-A-3903804, DE-A-39 15459, DE-A- 4001 841, DE-A-40 09857, DE-A-40 11 633, DE-A-41 07 136, DE-A-41 22 266, EP-A-0089497, EP-A-0226 171, EP-A -0228003, EP-A-0287 144, EP-A-0297 576, EP-A-0 301 300, EP-A-0353797, EP-A-0354 261, EP-A-0401 565, EP-A-0424 705, EP-A-0422 357, EP-A-0512524 and EP-A-0584818.
- Different basecoats can be used for the second and third coating layers produced by the process according to the invention, but preferably similar basecoats or particularly preferably the same basecoat, as will be explained in the following.
- a solvent-based basecoat or preferably a water-dilutable basecoat can be used to produce the second coating layer.
- the solid resin composition of the basecoats used for the production of the second and third coating layers is essentially the same, ie has the same solid resin composition (the same binders and optionally crosslinking agents are present) and only a fluctuation range of less than 30 in the quantitative solid resin composition %, preferably below 20%, particularly preferably below 15%, in each case based on the relative proportion by weight of the individual Has binder and any crosslinker present.
- the basecoat used to produce the second coating layer has a color tone which is close to or particularly preferably identical to that of the basecoat used to produce the third coating layer.
- approximating shades of color should be understood to mean that the color difference, composed of the difference in brightness, hue and difference in color, between the shades of the second and third determined in each case with opaque coating and a measurement geometry of (45/0 * )
- Coating layer does not exceed an n-fold ⁇ E * (CIELAB) value.
- the ⁇ E * (CIELAB) reference value here is the value which results in the CIE x, y diagram (chromaticity diagram) familiar to the person skilled in the art, based on DIN 6175, for the color of the third coating layer, and the following relationship applies:
- n ⁇ 90 in the area of the CIE-x, y diagram marked with ⁇ E * ⁇ 0.3, n ⁇ 50 in the area of the CIE-x, y diagram marked with ⁇ E * »0.5, n ⁇ 40 in the area with ⁇ E * 0.7 marked area of the CIE-x, y-diagram, n ⁇ 30 in the area of the CIE-x, y-diagram marked with ⁇ E * ⁇ 0.9.
- the process according to the invention can be carried out in a particular embodiment.
- recycled overspray which is produced when the third coating layer is produced, is used for the production of the second coating layer from the spray booth circulating water.
- Such a recycled waterborne basecoat can be obtained, for example, by ultrafiltration from the cabin circulating water.
- a large number of colors are processed in the series painting. It is therefore preferred to work in such a way that the water-based lacquers used for the production of the third coating layer are combined into suitable color groups, so that one or more recycled water-based lacquers are obtained, each of which has a mixed color.
- the third coating layer can be produced, for example, in such a way that the mixed color tones that form subsequently for the production the recycled water-based lacquer used in the second coating layer and the color tone of the respective water-based lacquer used for producing the third coating layer come close to one another. This approximation is to be understood, for example, exactly as explained above for the color difference.
- the differently pigmented waterborne basecoats have an essentially identical solid resin composition, i.e. they preferably have the same solid resin composition and, in their quantitative solid resin composition, only have a range of fluctuation in the relative proportions by weight of the individual binders plus any crosslinking agents present of less than 30%, preferably less than 20%, particularly preferably less than 15%.
- all known or transparent pigmented coating compositions are suitable as clear coating compositions for producing the fourth coating layer.
- These can be single-component or multi-component clear lacquer coating compositions. They can be solvent-free (liquid or as a powder clearcoat), or they can be systems based on solvents, or they can be water-dilutable clearcoats, the binder systems of which are suitable, e.g. anionic, cationic or non-ionic, are stabilized.
- the water-thinnable clearcoat systems can be water-soluble or water-dispersed systems, especially emulsion systems.
- the clear lacquer coating agents harden when stoved to form covalent bonds as a result of chemical crosslinking.
- the clearcoats which can be used in the process according to the invention are customary clearcoat coating compositions which contain one or more customary base resins as film-forming binders. If the base resins are not self-crosslinking, they may also contain crosslinking agents. Both the base resin component and the crosslinker component are not subject to any limitation.
- film-forming binders for example, polyester, Polyurethane and / or poly (meth) acrylate resins can be used.
- the selection of the crosslinking agents which may be present is not critical, it depends on the functionality of the base resins, ie the crosslinking agents are selected such that they have a reactive functionality which is complementary to the functionality of the base resins.
- Examples of such complementary functionalities between base resin and crosslinker are: carboxyl / epoxy, hydroxyl / methylol ether directly bonded to carbon or silicon, hydroxyl / free isocyanate directly bonded to carbon or silicon, hydroxyl / blocked isocyanate directly bonded to carbon or silicon, (meth) acryloyl / CH-acidic
- latent silanol groups such as e.g. Alkoxysilane groups to understand. If compatible with one another, several such complementary functionalities can also be present side by side in a clear lacquer.
- the crosslinking agents which may be present in the clear lacquers can be present individually or in a mixture.
- the clear lacquers which can be used in the process according to the invention can comprise auxiliaries customary in paint, such as Catalysts,
- Leveling agents but especially light stabilizers, optionally in combination with antioxidants.
- Examples of one-component (1C) and two-component (2C) non-aqueous clearcoat systems which can be used as clearcoat in the process according to the invention can be found in DE-A-3826693, DE-A-40 17 075, DE-A-41 24 167, DE-A-41 33704, DE-A-4204518, DE-A-4204611, EP-A-0 257 513, EP-A-0408858, EP-A-0523267, EP-A-0557822, WO-92 11 327.
- Water clearcoat systems which can be used as clearcoat in the process according to the invention can be found in DE-A-39 10829, DE-A-4009931, DE-A-4009932, DE-A-41 01 696, DE-A-41 32430, DE -A-41 34290, DE-A-42 03510, EP-A-0365098, EP-A-0365775, EP-A-0496079, EP-A-0546640.
- powder clearcoat systems which can be used as clearcoat in the process according to the invention can be found in EP-A-0 509392, EP-A-0509393, EP-A-0522648, EP-A-0544 206, EP-A-0555 705, DE-A-42 22 194, DE-A-42 27580.
- Electrically conductive materials such as metals are suitable as the substrate for the method according to the invention.
- Automobile bodies or parts thereof can consist of pretreated or untreated metal, of metal provided with an electrically conductive layer or of electrically conductive or plastic provided with an electrically conductive layer.
- an electrically conductive layer can have been formed on the metal substrates by electrophoretic deposition and baking of a corresponding coating.
- the first coating layer in particular in the form of an anti-corrosion primer, is electrophoretically deposited onto these substrates in the customary manner and in a dry layer thickness of 15 to 35 ⁇ m which is customary for ETL primers.
- the electrocoating lacquer layer applied first in the method according to the invention is referred to as the first coating layer.
- the first coating layer produced according to the invention is rinsed off with an aqueous solution or water to remove excess paint components which are not adherent and then, before the wet-on-wet application of the second coating layer, from a first coloring and / or effect-imparting base coat or a base coat having a mixed color.
- Recyclate freed from adhering moisture This is done, for example, by ventilation.
- This can be done, for example, by IR radiation and / or by an optionally heated air flow which is passed over the substrate.
- the temperature of the air stream can, for example, at room temperature to 120 * C., preferably it is above 80 ° C.
- the electrodeposition paint film should not be crosslinked.
- the second coating layer made of the first coloring and / or effect-imparting basecoat is applied to the substrate by spraying.
- Suitable spray application methods are compressed air spraying, airless spraying or electrostatic (ESTA) high-rotation spraying.
- ESA electrostatic
- the workpiece with the two coating layers is baked, for example, at temperatures between 130 and 190 * C, for example preferably between 140 and 180 * C.
- the surface can be treated if necessary, for example by grinding to repair defects, for example.
- the third coating layer is spray-applied from the second coloring and / or effect-imparting basecoat, for example by compressed air spraying, airless spraying or ESTA high-speed rotary spraying, it being essential to the invention that the total dry layer thickness from the second and third coating layers is between 15 and 40 ⁇ m, preferably between 20 and 35 ⁇ m, the proportion of the first color and / or effect coating layer being between 20 and 50%, preferably between 25 and 40% of the total dry layer thickness of the coating layers produced from the color and / or effect coating agents.
- the dry layer thickness of the second coating layer is between 5 and 15 ⁇ m and that of the third coating layer is 10 to 30 ⁇ m which is customary for basecoat layers.
- the small layer thickness of the second coating layer enables the method according to the invention to be carried out without a special coordination between the
- the clear lacquer is applied in a wet-on-wet process after a brief flash-off phase, for example at 20 to 80 * 0.
- the fourth coating layer is overpainted from a customary liquid clear lacquer or powder clear lacquer (in this case it is a dry-in-wet application) in a dry layer thickness customary for clear lacquer layers of preferably 30 to 80 ⁇ m baked together with the third coating layer.
- the stoving temperature is preferably the same as the stoving temperature prevailing when the first and second coating layers are jointly stoved, or it is particularly preferably below this.
- the baking temperature in the joint baking of the third and fourth coating layer up to 160 ° C, preferably less than 140 * C.
- the method according to the invention allows the production of four-layer or also multi-layer coatings, in particular automotive coatings with a reduced overall layer thickness and comparable overall property level compared to the prior art, which includes filler layers and / or other intermediate layers. Only two burn-in steps are necessary. It is not necessary to coordinate the coating agents used to produce the first and second coating layers. In particular in the case of the use of waterborne basecoats in the process according to the invention, there is the possibility of overspray recycling by using the concentrated overspray in the production of the second coating layer.
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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)
- Paints Or Removers (AREA)
- Floor Finish (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52708596A JP4227192B2 (ja) | 1995-03-31 | 1996-03-26 | 多層コーティングの方法 |
EP19960910016 EP0817684B1 (de) | 1995-03-31 | 1996-03-26 | Verfahren zur mehrschichtlackierung |
DE59603566T DE59603566D1 (de) | 1995-03-31 | 1996-03-26 | Verfahren zur mehrschichtlackierung |
US08/930,518 US5869198A (en) | 1995-03-31 | 1996-03-26 | Process for multi-layer coating |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995112017 DE19512017C1 (de) | 1995-03-31 | 1995-03-31 | Verfahren zur Mehrschichtlackierung |
DE19512017.5 | 1995-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996030131A1 true WO1996030131A1 (de) | 1996-10-03 |
Family
ID=7758379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/001316 WO1996030131A1 (de) | 1995-03-31 | 1996-03-26 | Verfahren zur mehrschichtlackierung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5869198A (de) |
EP (1) | EP0817684B1 (de) |
JP (1) | JP4227192B2 (de) |
DE (2) | DE19512017C1 (de) |
ES (1) | ES2140838T3 (de) |
WO (1) | WO1996030131A1 (de) |
Cited By (3)
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EP1018569A2 (de) * | 1998-12-28 | 2000-07-12 | Nippon Paint Co., Ltd. | Verfahren zur Beschichtung mit einer Doppelschicht, Verfahren zur Beschichtung mit Mehrschichtüberzügen, und Mehrschichtüberzüge |
WO2001096630A2 (en) * | 2000-06-12 | 2001-12-20 | E.I. Dupont De Nemours And Company | Process for preparing multi-layer coatings on automotive bodies or automotive body parts |
WO2002034418A2 (de) * | 2000-10-23 | 2002-05-02 | Basf Coatings Ag | Verfahren zur erzeugung einer mehrschichtlackierung und deren verwendung |
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DE19633173C1 (de) * | 1996-08-17 | 1997-10-02 | Herberts Gmbh | Verfahren zur Mehrschichtlackierung |
DE19648517A1 (de) * | 1996-11-23 | 1998-06-04 | Herberts & Co Gmbh | Verfahren zur Mehrschichtlackierung |
US6248225B1 (en) | 1998-05-26 | 2001-06-19 | Ppg Industries Ohio, Inc. | Process for forming a two-coat electrodeposited composite coating the composite coating and chip resistant electrodeposited coating composition |
US6423425B1 (en) | 1998-05-26 | 2002-07-23 | Ppg Industries Ohio, Inc. | Article having a chip-resistant electrodeposited coating and a process for forming an electrodeposited coating |
US20040238362A1 (en) * | 1999-12-15 | 2004-12-02 | December Timothy S. | Cured multilayer coating providing improved edge corrosion to a substrate and a method of making same |
US6342144B1 (en) | 1999-12-15 | 2002-01-29 | Basf Aktiengesellschaft | Cured multilayer coating and processing for its production |
US20020056641A1 (en) * | 1999-12-15 | 2002-05-16 | December Timothy S. | Cured multilayer coating providing improved edge corrosion resistance to a substrate and a method of making same |
DE10008946C1 (de) * | 2000-02-25 | 2001-10-18 | Basf Coatings Ag | Verfahren zur Herstellung farb- und/oder effektgebender Mehrschichtlackierungen auf Automobilkarosserien |
DE10009913B4 (de) * | 2000-03-01 | 2004-12-23 | Basf Coatings Ag | Verfahren zur Herstellung von Mehrschichtlackierungen auf elektrisch leitfähigen Substraten und deren Verwendung |
US6875318B1 (en) | 2000-04-11 | 2005-04-05 | Metalbond Technologies, Llc | Method for leveling and coating a substrate and an article formed thereby |
US6531043B1 (en) * | 2000-06-29 | 2003-03-11 | Ppg Industries Ohio, Inc. | Methods for electrocoating a metallic substrate with a primer-surfacer and articles produced thereby |
DE10043405C1 (de) | 2000-09-04 | 2002-06-27 | Basf Coatings Ag | Verfahren zur Herstellung farb- und/oder effektgebender Lackierungen |
DE10043810A1 (de) | 2000-09-06 | 2002-04-04 | Basf Coatings Ag | Bindemittellösung und ihre Verwendung für die KFZ-Kleinstreparatur im Teil |
DE10059886A1 (de) * | 2000-12-01 | 2002-06-20 | Basf Coatings Ag | Verwendung von wässrigen, physikalisch härtbaren Beschichtungsstoffen auf Polyurethanbasis als Haftgrundierung von Lackierungen |
DE10100195A1 (de) * | 2001-01-04 | 2002-08-01 | Basf Coatings Ag | Wäßriger, effektgebender Beschichtungsstoff, Verfahren zu seiner Herstellung und seine Verwendung |
DE10130972C1 (de) | 2001-06-27 | 2002-11-07 | Basf Coatings Ag | Verfahren zur Herstellung von Beschichtungen aus thermisch und mit aktinischer Strahlung härtbaren Beschichtungsstoffen und mit dem Verfahren herstellbare Lackierungen |
DE10155709C1 (de) * | 2001-11-13 | 2003-02-13 | Basf Coatings Ag | Verfahren zur Herstellung farb- und effektgebender Mehrschichtlackierungen |
JP4334806B2 (ja) * | 2002-03-05 | 2009-09-30 | 日本ペイント株式会社 | 多層塗膜形成方法および多層塗膜 |
US20040028823A1 (en) * | 2002-08-08 | 2004-02-12 | Wilfried Dutt | Multi-layer coating process to achieve a highly saturated color appearance on a vehicle |
DE10236350A1 (de) | 2002-08-08 | 2004-02-19 | Basf Coatings Ag | Bismutverbindungen enthaltende Elektrotauchlacke (ETL) |
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- 1996-03-26 DE DE59603566T patent/DE59603566D1/de not_active Expired - Fee Related
- 1996-03-26 ES ES96910016T patent/ES2140838T3/es not_active Expired - Lifetime
- 1996-03-26 JP JP52708596A patent/JP4227192B2/ja not_active Expired - Fee Related
- 1996-03-26 US US08/930,518 patent/US5869198A/en not_active Expired - Fee Related
- 1996-03-26 EP EP19960910016 patent/EP0817684B1/de not_active Expired - Lifetime
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EP1018569A2 (de) * | 1998-12-28 | 2000-07-12 | Nippon Paint Co., Ltd. | Verfahren zur Beschichtung mit einer Doppelschicht, Verfahren zur Beschichtung mit Mehrschichtüberzügen, und Mehrschichtüberzüge |
EP1018569A3 (de) * | 1998-12-28 | 2003-03-26 | Nippon Paint Co., Ltd. | Verfahren zur Beschichtung mit einer Doppelschicht, Verfahren zur Beschichtung mit Mehrschichtüberzügen, und Mehrschichtüberzüge |
WO2001096630A2 (en) * | 2000-06-12 | 2001-12-20 | E.I. Dupont De Nemours And Company | Process for preparing multi-layer coatings on automotive bodies or automotive body parts |
WO2001096630A3 (en) * | 2000-06-12 | 2002-08-15 | Du Pont | Process for preparing multi-layer coatings on automotive bodies or automotive body parts |
WO2002034418A2 (de) * | 2000-10-23 | 2002-05-02 | Basf Coatings Ag | Verfahren zur erzeugung einer mehrschichtlackierung und deren verwendung |
WO2002034418A3 (de) * | 2000-10-23 | 2002-11-07 | Basf Coatings Ag | Verfahren zur erzeugung einer mehrschichtlackierung und deren verwendung |
US7087146B2 (en) | 2000-10-23 | 2006-08-08 | Karl-Heinz Grosse-Brinkhaus | Method for producing a multilayer coating and the use thereof |
Also Published As
Publication number | Publication date |
---|---|
EP0817684A1 (de) | 1998-01-14 |
US5869198A (en) | 1999-02-09 |
DE19512017C1 (de) | 1996-07-18 |
JP4227192B2 (ja) | 2009-02-18 |
ES2140838T3 (es) | 2000-03-01 |
JPH11503064A (ja) | 1999-03-23 |
DE59603566D1 (de) | 1999-12-09 |
EP0817684B1 (de) | 1999-11-03 |
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