WO2001081488A2 - Chromophore multilayered lacquer coating - Google Patents
Chromophore multilayered lacquer coating Download PDFInfo
- Publication number
- WO2001081488A2 WO2001081488A2 PCT/EP2001/004699 EP0104699W WO0181488A2 WO 2001081488 A2 WO2001081488 A2 WO 2001081488A2 EP 0104699 W EP0104699 W EP 0104699W WO 0181488 A2 WO0181488 A2 WO 0181488A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- coating
- colorless
- coloring
- color
- 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
- B05D7/52—Two layers
- B05D7/53—Base coat plus clear coat type
- B05D7/532—Base coat plus clear coat type the two layers being cured or baked together, i.e. wet on wet
-
- 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
- B05D5/061—Special surface effect
-
- 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
- B05D7/536—Base coat plus clear coat type each layer being cured, at least partially, separately
-
- 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
- B05D3/0263—After-treatment with IR heaters
-
- 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
- B05D3/029—After-treatment with microwaves
-
- 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
- B05D3/06—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 exposure to radiation
-
- 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
- B05D3/06—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 exposure to radiation
- B05D3/061—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 exposure to radiation using U.V.
- B05D3/065—After-treatment
-
- 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
- B05D3/06—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 exposure to radiation
- B05D3/061—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 exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- 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
- B05D3/06—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 exposure to radiation
- B05D3/068—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 exposure to radiation using ionising radiations (gamma, X, electrons)
-
- 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
- B05D3/12—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 mechanical means
-
- 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 present invention relates to a new multi-layer paint system.
- the present invention relates to new methods for producing multi-layer paint systems.
- the present invention relates to the use of the new color-imparting multi-layer coatings and the new processes for their production for coating primed and unprimed substrates such as motor vehicle bodies or parts thereof, furniture, windows, doors, structures indoors and outdoors, plastic parts, industrial components, including coils, containers and electrical components, aircraft, surface and underwater vessels or devices used in and for shipping, such as buoys.
- Color-imparting multi-layer lacquers which, in the order specified, one above the other, contain at least one color-imparting lacquer and at least one clear lacquer, and processes for their production have long been known.
- patent applications EP 0 089 497 A1 disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose to disclose
- EP 0 256 540 A1 EP 0 260 447 A1, EP 0 297 576 A1, WO 96/12747, EP 0 523
- the object of the present invention is to provide a new multi-layer coating which no longer has the disadvantages of the prior art, but which, in the most varied of colors and in the most varied hues, specifically on the basis of a few basic formulations - ideally on the basis of a basic formulation - for the coating material can be produced.
- the new multi-layer paint system for primed and unprimed substrates containing, one above the other in the specified order
- At least one of the coloring coatings (A) consists of at least one colorless or differently colored reactive layer (A) by the introduction of energy and / or diffusion of coloring and / or potentially coloring substances can be produced.
- multi-layer coating according to the invention.
- At least one color coating (A) is essential for the present invention. According to the invention, it is produced from at least one colorless or differently colored reactive layer (A). Layer (A) in turn is produced from a colorless or differently colored reactive coating material (A) by application to a primed or unprimed substrate.
- the thickness of the layer (A) and coating (A) to be used according to the invention can vary very widely and depends primarily on the opacity (cf. Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, page 124, "Hiding power") of the coating (A). Layer thicknesses of 1 to 200, preferably 2 to 150, particularly preferably 3 to 100, very particularly preferably 4 to 80 and in particular 5 to 60 ⁇ m are preferably used.
- colorless means the property that the layer (A) or the coating material (A) is white clear and transparent, matt white and transparent or white and opaque or of an uncolored color, ie gray to dark gray, (Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, page 590, "Unbunt Vietnamese”.
- differently colored is to be understood as the property that the layer (A) or the coating material (A) has a different basic color or a different hue than the finished coating (A).
- reactive is understood to mean the property that, in general terms, chemical or physical processes can take place in layer (A), which processes can be triggered by the introduction of energy or a concentration gradient. These are chemical and physical processes selected so that they provide the desired color of the coating (A) to be used according to the invention.
- the energy is preferably introduced by means of heat, electrical voltage, ultrasound or actinic radiation. This can be done under normal pressure or supported by increased pressure. Above all, increased pressure can support the energy input through heat if, for example, layer (A) is heated under a press.
- Actinic radiation is electromagnetic radiation or co usular radiation. Microwaves, near infrared (NIR), visible light, UV radiation or X-rays, but in particular visible light and UV radiation, are preferably used as electromagnetic radiation. Electron radiation is preferably used as the co-muscular radiation.
- the devices known and known for the respective form of energy such as radiant heaters, forced air ovens, voltage generators, ultrasonic transmitters, microwave transmitters, NIR radiators, lamps, daylight, UV lamps, X-ray sources or electron beam generators can be used for the energy input.
- the color can also be generated by physical processes such as diffusion. In this case, driven by a concentration gradient, at least one coloring substance diffuses into the layer (A) from an adjacent layer, for example a removable, applied color film. Alternatively, potentially coloring substances diffuse into layer (A), where they form coloring compounds, as is the case, for example, with color photography or instant photography.
- These physical processes can be supported by increasing the pressure, for example in a press, and / or by introducing energy as described above.
- the process measures described above can be combined with one another in the production of the coatings (A) which are essential to the invention, such as, for example, the diffusion accelerated by heat and pressure or the irradiation with UV radiation and electron beams or the simultaneous use of coloring and potentially coloring substances.
- the form of energy and the method for its entry into layer (A) are matched to the material composition of layer (A) and the chemical and / or physical processes of color production taking place therein.
- Another determining parameter here is the stability of the layer (A) with respect to the selected form of energy. So much energy must not be input that the layer (A) is irreversibly damaged and rendered unusable.
- coating materials (A) and layers (A) which are colorless and do not contain any potentially coloring material are used for producing the color coating (A) which is essential to the invention.
- the colorless or differently colored coating material (A) or the colorless or differently colored layer (A) contains at least one potentially coloring material.
- the differently colored coating material or the differently colored layer (A) contains at least one coloring material and one potentially coloring material.
- the coloring substance is a low-molecular compound, in particular an organic dye. All customary and known dyes which are present in the matrix of the
- Paint (A) can be distributed molecularly.
- Organic dyes which are lightfast and show no tendency to exude from the paint (A) are preferred. Furthermore there are organic ones
- the polymeric or oligomeric constituents of the coating materials (A), the layers (A) or the coatings (A) are in particular binders for coatings (cf.Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998 , Pages 73 to 74, "binder").
- the potentially coloring substances are preferably the
- Precursors of the organic dyes described above are customary and known thermochromic, photochromic or electrochromic compounds, common and known leuco compounds that become colored through reactions with acids or bases, common and known dyes that show a color change through reactions with acids or bases in the sense of an indicator reaction, or compounds that through coupling reactions, oxidation, reduction or decomposition form organic dyes.
- the coating materials (A), the layers (A) and the coatings (A) can be adapted in an outstanding manner to the most varied uses and the most varied forms of energy and the associated process measures and devices, which is a is a very special advantage of the method according to the invention.
- the coating material (A) may also contain at least one additive.
- suitable additives are conventional and known, oligomeric and polymeric, physically or thermally curable, linear and / or branched and / or block-like, comb-like and / or randomly constructed poly (meth) acrylates or acrylate copolymers, in particular those in the patent DE 197 36 535 A1 described, polyesters, in particular those described in the patents DE 40 09 858 A1 or DE 44 37 535 A1, alkyds, acrylated polyesters, polylactones, polycarbonates, polyethers, epoxy resin-amine adducts, (meth) acrylate diols, partially saponified Polyvinyl esters, polyurethanes and acrylated polyurethanes, such as those described in the patents EP 0 521 928 A1, EP 0 522 420 A1, EP 0 522 419 A1, EP 0 730 613 A1 or DE 44 37 535 A1, or polyureas or binders curable with actinic radiation, as described, for
- Crosslinking agents are further examples of suitable additives.
- suitable crosslinking agents are antinoplastic resins such as those found in Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag, 1998, page 29, “Aminoharze”, the textbook “Lackadditive” by Johan Bieleman, Wiley-VCH, Weinheim, New York, 1998, pages 242 ff., The book “Paints, Coatings and Solvents”, second completely revised edition, Edit. D. Stoye and W. Freitag, Wiley-VCH, Weinheim, New York, 1998, pages 80 ff., The patents US 4,710,542 A1 or EP-B-0 245 700 A1 as well as in the article by B.
- Suitable additives are catalysts for the coloring
- the production of the coating materials (A) to be used according to the invention has no special features, but is carried out in a customary and known manner by mixing the constituents described above in suitable mixing units such as stirred kettles, dissolvers, agitator mills, static mixers, gear rim dispersers or extruders according to those for Production of the respective coating materials (A) suitable processes.
- suitable mixing units such as stirred kettles, dissolvers, agitator mills, static mixers, gear rim dispersers or extruders according to those for Production of the respective coating materials (A) suitable processes.
- the coating materials (A) can be in a wide variety of forms. So they can be conventional, i.e. coating materials based on organic solvents, aqueous, i.e. water-based coating materials, water and organic solvents essentially free, powder or liquid coating materials, solid, powdery coating materials or powder slurries or films dispersed in aqueous media.
- the application of the coating materials (A) also has no special features in terms of method, but instead takes place using the customary and known methods and devices which are adapted to the physical forms of the coating materials (A) used in each case, by means of electrostatic deposition, spraying, dipping, rolling, pouring, trickling or foil lamination.
- the further processing of the resulting layers (A) in the context of the method according to the invention depends in particular on their material composition described above, the process measures described above being taken.
- the layers (A) can also be cured physically or thermally and / or with actinic radiation.
- the coating materials (A) can be self-crosslinking or externally crosslinking.
- the term “physical hardening” means the hardening of a layer (A) by filming by release of solvent from the coating material (A), the linkage within the coating taking place via loop formation of the polymer molecules of the binders. Or else the filming takes place via the coalescence of binder particles (cf. Römpp Lexikon Lacke und Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, “Hardening", pages 274 and 275). Usually no crosslinking agents are required for this. If necessary, physical hardening can be caused by atmospheric oxygen or heat or supported by exposure to actinic radiation.
- the term “self-crosslinking” denotes the property of a binder to undergo crosslinking reactions with itself.
- a prerequisite for this is that the binders already contain both types of complementary reactive functional groups which are necessary for crosslinking on the other hand, denotes coating materials, adhesives and sealing compounds in which one type of the complementary reactive functional groups is present in the binder and the other type is in a hardener or crosslinking agent.
- the multi-coat paint system according to the invention contains at least one clear coat (B).
- Multi-component (3K, 4K) clearcoats powder clearcoats, powder slurry clearcoats or UN-curable clearcoats.
- the hardening mechanisms of the clear lacquer layers (B) can be matched excellently to the mechanisms of color generation in layer (A) and / or the hardening mechanisms of layer (A), which is a further particular advantage of the method according to the invention.
- Thermally curable one-component (1K), two-component (2K) or multicomponent (3K, 4K) clearcoats are known from European patent applications DE 42 04 518 A1.0 594 068 A1.0 594 071 A1.0 594 142 A. 1, 0 604 992 A1 or 0 596 460 A1 the international patent applications WO 94/10211, WO 94/10212, WO 94/10213, WO 94/22969 or WO 92/22615 or the American patent specifications US 5,474,811 A1, 5,356,669 A 1 or 5,605,965 A 1 known.
- One-component (IC) clearcoats are known to contain hydroxyl-containing binders and crosslinking agents such as blocked polyisocyanates, tris (alkoxycarbonylamino) triazines and / or aminoplast resins.
- crosslinking agents such as blocked polyisocyanates, tris (alkoxycarbonylamino) triazines and / or aminoplast resins.
- they contain, as binders, polymers with pendant carbamate and / or allophanate groups and carbamate and / or allophanate-modified aminoplast resins as crosslinking agents (cf.
- Two-component (2K) or multicomponent (3K, 4K) clearcoats are known to contain hydroxyl group-containing binders and polyisocyanates as crosslinking agents, which are stored separately until they are used.
- Thermally curable powder clearcoats are, for example, from the German patent application DE 42 22 194 A1, the product information from the company BASF Lacke + Weg AG, "Powder coatings", 1990 or the company publication from BASF Coatings AG "Powder coatings, powder coatings for industrial applications", January 15 2000, known.
- Powder clear lacquers are known to contain epoxy group-containing binders and polycarboxylic acids as crosslinking agents.
- 25 powder slurry clear coats are known to contain powder clear coats dispersed in an aqueous medium.
- the clearcoats (B) can also be coated with scratch-resistant, organically modified ceramic layers which are coated from sol-gel clearcoats, which are commercially available, for example, under the ORMOCER® brand.
- the clearcoats are preferably applied in the process according to the invention using the methods described above.
- the method according to the invention and the multilayer coating according to the invention serve to coat primed and unprimed substrates.
- suitable substrates are motor vehicle bodies made of steel or aluminum or parts thereof, furniture, windows, doors, structures indoors and outdoors, plastic parts or industrial components, including coils, containers and electrotechnical components, or aircraft, surface and underwater vessels or devices that used in and for shipping, such as buoys.
- suitable primers are electrocoating, anodized metal surfaces, primer layers, fillers, stone chip protection primers or adhesive layers.
- the coatings (A) and clearcoats (B) can be covered with opaque or non-opaque basecoats, as described, for example, in the patent applications mentioned at the outset. be combined.
- the coating (A) to be used according to the invention outweighs the function of the coloring and the base coating the function of the optical effect.
- the multi-layer coatings according to the invention can be produced in any manner. According to the invention, it is advantageous to produce them by the method according to the invention.
- At least one clear coat (B) is applied to the outer surface of the color coating (s) (A), thereby creating at least one clear coat
- At least one clear lacquer (B) is applied to the outer surface of the colorless (s) or other colored ⁇ ) reactive layer (s) (A), resulting in at least one clear lacquer layer (B), and
- At least one clearcoat (B) is applied to the outer surface of the colorless or differently colored (s) reactive layer (s) (A), resulting in at least one clearcoat layer (B), after which (III) physically hardens the clear lacquer layer (s) (B) and allows at least one coloring and / or potentially coloring substance to diffuse into the colorless (s) or other colored ⁇ ) reactive layer (s) (A), whereby at least one Clear coating (B) and at least one color coating (A) result.
- the process according to the invention is so variable that it can be adapted in an outstanding manner to the substrates used in each case, in particular with regard to their thermal stability and chemical resistance.
- the resulting multi-layer coatings according to the invention have an excellent overall impression and, in particular, beautiful brilliant colors. It is a very special advantage of the multi-layer coating according to the invention that it can be realized with a wide variety of coating materials (A), but that after selecting a certain basic material composition (A), this is sufficient to realize almost all conceivable colors and hues ,
- the multi-layer coating according to the invention and the method according to the invention offer the very special advantage that the energy input can be carried out imagewise, for example by simultaneous or successive full-area exposure of layer (A) in the sense of a photographic process with actinic radiation of different wavelengths or by exposure of the layer ( A) through masks or stencils or with the help of laser beams, whereby here, too, different colors and hues can be generated spatially side by side by using actinic radiation of different wavelengths.
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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)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001267381A AU2001267381A1 (en) | 2000-04-27 | 2001-04-26 | Chromophore multilayered lacquer coating |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10020680.8 | 2000-04-27 | ||
DE2000120680 DE10020680A1 (en) | 2000-04-27 | 2000-04-27 | Color-giving multi-layer paint |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001081488A2 true WO2001081488A2 (en) | 2001-11-01 |
WO2001081488A3 WO2001081488A3 (en) | 2002-05-23 |
Family
ID=7640129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/004699 WO2001081488A2 (en) | 2000-04-27 | 2001-04-26 | Chromophore multilayered lacquer coating |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2001267381A1 (en) |
DE (1) | DE10020680A1 (en) |
WO (1) | WO2001081488A2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0265363A2 (en) * | 1986-10-20 | 1988-04-27 | Basf Corporation | Nonyellowing cathodic electrocoat |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0357844B1 (en) * | 1988-09-09 | 1993-05-12 | Akzo Nobel N.V. | Thermochromic effect coating |
JPH05195292A (en) * | 1991-12-27 | 1993-08-03 | Yoshida Kogyo Kk <Ykk> | Forming method of coating film |
JPH0680912A (en) * | 1992-09-04 | 1994-03-22 | Nissan Motor Co Ltd | Automobile coating composition and substrate coated therewith |
JPH07286121A (en) * | 1994-04-19 | 1995-10-31 | Nippon Paint Co Ltd | Color-variable laminated coating film |
-
2000
- 2000-04-27 DE DE2000120680 patent/DE10020680A1/en not_active Withdrawn
-
2001
- 2001-04-26 AU AU2001267381A patent/AU2001267381A1/en not_active Abandoned
- 2001-04-26 WO PCT/EP2001/004699 patent/WO2001081488A2/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0265363A2 (en) * | 1986-10-20 | 1988-04-27 | Basf Corporation | Nonyellowing cathodic electrocoat |
Also Published As
Publication number | Publication date |
---|---|
AU2001267381A1 (en) | 2001-11-07 |
DE10020680A1 (en) | 2001-11-08 |
WO2001081488A3 (en) | 2002-05-23 |
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