WO2005053861A1 - Couche de finition transparente thermodurcie, son procede de production et son utilisation - Google Patents

Couche de finition transparente thermodurcie, son procede de production et son utilisation Download PDF

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Publication number
WO2005053861A1
WO2005053861A1 PCT/EP2004/053338 EP2004053338W WO2005053861A1 WO 2005053861 A1 WO2005053861 A1 WO 2005053861A1 EP 2004053338 W EP2004053338 W EP 2004053338W WO 2005053861 A1 WO2005053861 A1 WO 2005053861A1
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WO
WIPO (PCT)
Prior art keywords
coating material
unsaturated double
olefinically unsaturated
top coat
thermally
Prior art date
Application number
PCT/EP2004/053338
Other languages
German (de)
English (en)
Inventor
Hubert Baumgart
Berthold Austrup
Original Assignee
Basf Coatings 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 Basf Coatings Ag filed Critical Basf Coatings Ag
Publication of WO2005053861A1 publication Critical patent/WO2005053861A1/fr

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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
    • C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/81—Unsaturated isocyanates or isothiocyanates
    • C08G18/8108—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group
    • C08G18/8116—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group esters of acrylic or alkylacrylic acid having only one isocyanate or isothiocyanate group

Definitions

  • the present invention relates to a new, thermally hardened, transparent topcoat.
  • the present invention also relates to a new process for producing a thermally hardened, transparent topcoat.
  • the present invention relates to the use of the new, thermally cured, transparent topcoat and the thermally cured, transparent topcoat produced by the new process as a clearcoat for coated and uncoated substrates, in particular as a constituent of color and / or effect multicoat paint systems.
  • Thermally hardened, transparent top coats in particular clear coats, are known to serve for the protective and / or decorative coating of coated and uncoated substrates of all kinds.
  • the clear coats are a component of coloring and / or effect-giving multi-layer coats of the kind used for high-quality painting of cars.
  • These multi-layer coatings must have the so-called automotive quality (cf. European Patent EP 0 352 298 B1, page 15, line 42 to page 17, line 40), i. that is
  • the quality of the clear coats is particularly high.
  • the weather stability and UV resistance of clearcoats can be improved by adding light stabilizers such as UV stabilizers and reversible radical scavengers (HALS).
  • HALS reversible radical scavengers
  • the light stabilizers cannot be added in any amount because this can damage other essential technological properties of the clearcoats.
  • the object of the present invention is to provide a new, thermally hardened, transparent topcoat, in particular a clearcoat, which no longer has the disadvantages of the prior art, but rather, in particular as a component of color and / or effect multicoat paint systems, as used for the high-quality painting of cars is used, the required automotive quality (cf. European Patent EP 0352298 B1, page 15, line 42 to page 17, line 40) and
  • the new, thermally hardened, transparent topcoat, especially the clearcoat should be weather-resistant and UV-resistant for a long time, preferably for several years, ideally for the life of a car.
  • the new, thermally hardened, transparent top coat, especially the clear coat, should be easily reproducible.
  • the clearcoats from which these clearcoats are produced should also be able to be produced in a simple and reproducible manner. Last but not least, they must also be able to be applied in-line at the automobile manufacturer with the help of modern application methods in dry layer thicknesses of 45 ⁇ m and more without the formation of surface defects such as specks, pinholes, runners or cookers.
  • a coating material curable thermally and with actinic radiation containing, based on the solids content of the coating material, 1 to 50% by weight of at least one compound (A) with at least one olefinically unsaturated double bond, on a substrate and
  • topcoat according to the invention in particular the clearcoat according to the invention, had the required automotive quality (cf. European Patent EP 0 352298 B1, page 15, line 42 to page 17, line 40) and showed
  • the topcoat according to the invention especially the clearcoat according to the invention, was weather-resistant and UV-resistant for many years, in many cases for the life of a car.
  • topcoat according to the invention especially the clearcoat according to the invention, could be produced very reproducibly in a particularly simple manner using the method according to the invention. It was possible to use known clearcoats, which could also be produced in a simple and reproducible manner. In particular, these clear coats could be applied in line with the automobile manufacturer with the help of modern application methods in dry layer thicknesses of 45 ⁇ m and more without the formation of surface defects such as specks, pinholes, runners or cookers.
  • the olefinically unsaturated double bonds can preferably be activated with actinic radiation.
  • actinic radiation includes electromagnetic radiation, such as near infrared (NIR), visible light, UV radiation, X-rays and gamma radiation, in particular UV radiation, and corpuscular radiation, such as electron radiation, beta radiation, alpha radiation, neutron radiation or proton radiation, in particular electron radiation , Roger that.
  • NIR near infrared
  • UV radiation visible light
  • X-rays and gamma radiation in particular UV radiation
  • corpuscular radiation such as electron radiation, beta radiation, alpha radiation, neutron radiation or proton radiation, in particular electron radiation , Roger that.
  • the olefinically unsaturated double bonds can be present in different organic groups.
  • suitable organic groups are (meth) acrylate, ethacrylate, crotonate, cinnamate, vinyl ether, vinyl ester, dicyclopentadienyl, norbornenyl, isoprenyl, isopropenyl, allyl or butenyl groups; Dicyclopentadienyl, norbornenyl, isoprenyl, isopropenyl, allyl or butenyl ether groups or dicyclopentadienyl, norbornenyl, isoprenyl, isopropenyl, allyl or butenyl ester groups, but especially acrylate groups.
  • the organic groups containing the olefinically unsaturated double bonds can be directly, i.e. H. be connected to the three-dimensional network of the top coat according to the invention via ionic and / or covalent bonds, preferably covalent bonds. However, they can also exist in connections that are embedded in the three-dimensional network without being directly connected to it.
  • the topcoat according to the invention preferably contains, based on its total amount, 0.05 to 5% by weight, preferably 0.1 to 4% by weight and in particular 0.1 to 3% by weight of at least one photoinitiator, preferably at least two photoinitiators.
  • photoinitiators are known from Römpp Online, Georg Thieme Verlag, Stuttgart, New York, 2002, "Photoinitiators”.
  • the topcoat according to the invention is preferably produced from a coating material which is curable thermally and with actinic radiation (hereinafter referred to as “dual-cure coating material”) by thermal curing.
  • the usual and known dual-cure coating materials can be used, such as one- or two- or multi-component clearcoats, selected from the group consisting of conventional, organic solvents containing clearcoats, aqueous clearcoats which contain little or no organic solvents, essentially or completely solvent-free and water-free liquid clear lacquers (100% systems), essentially or completely solvent-free and water-free, solid, finely divided powders (powder clearcoats) or essentially or completely solvent-free powder clearcoat suspensions (powder slurries), as described, for example, in German patent applications DE 19800528 A1, DE 198 18 735 A1, DE 199 08018 A1, DE 19947523 A1, DE 10027290 A1, DE 10027292 A1, DE 100 42 152 A1 or DE 101 15 605 A1, the international patent applications WO 98/40170 A1 or WO 03/016411 A1, the European patent applications EP 0 952 170 A1 or EP 0 928 800 A. 1 or the American patents US 4,34
  • the dual-cure coating material preferably contains, based on its solids, 1 to 50% by weight, preferably 2 to 40% by weight and in particular 3 to 30% by weight of at least one compound (A) with at least one organic group containing at least one, especially one, olefinically unsaturated double bond.
  • Compound (A) preferably contains at least two groups with at least one, in particular one, olefinically unsaturated double bond. Examples of suitable organic groups with olefinically unsaturated double bonds are those described above.
  • solids of the coating material is understood to mean the sum of all the constituents of the coating material that build up the top coat according to the invention.
  • the compounds (A) are preferably selected from the group consisting of low molecular weight, oligomeric and polymeric compounds which contain at least one organic group with at least one olefinically unsaturated double bond.
  • the compounds (A) may also contain at least one, in particular at least two, group (s) (a1) which are associated with a group (a1) of their own type ("with themselves) and / or with a complementary reactive functional group (b1 ) can initiate thermally initiated reactions
  • group (a1) and (b1) can be found in German patent application DE 100 27 290 A1, page 4, paragraph [0039], to page 7, paragraph [0043],
  • the group (a1) is preferably an isocyanate group.
  • Isocyanatoacrylates which can be prepared from polyisocyanates and hydroxyl-containing, olefinically unsaturated monomers are preferably used.
  • the isocyanate groups of the isocyanatoacrylates are blocked with customary and known blocking agents.
  • the blocked and unblocked isocyanatoacrylates are commercially available compounds and are sold by Bayer AG under the Roskydal ® brand.
  • the dual-cure coating material preferably contains at least one, in particular at least two, of the photoinitiators (B) described above, preferably in an amount of 0.05 to 5% by weight, preferably 0.1 to 4% by weight and in particular 0 , 1 to 3 wt .-%, each based on the solids of the coating material.
  • the dual-cure coating material preferably contains at least one oligomeric and / or polymeric, physically or thermally, in particular thermally, curable binder (C).
  • the thermally curable binder (C) preferably contains at least one, in particular at least two, of the reactive functional groups (b1) described above, particularly preferably at least two isocyanate-reactive functional groups (b1), very particularly preferably at least two hydroxyl groups, thiol groups and / or primary and / or secondary amino groups (b1), in particular at least two hydroxyl groups (b1). It can also contain at least one, preferably at least two, of the organic groups described above with at least one olefinically unsaturated double bond.
  • thermally curable binders (C) are known from German patent application DE 10027290 A1, page 4, paragraph [0035], to page 8, paragraph [0050].
  • the binders (C) in the dual-cure coating material are preferably in an amount of 10 to 80% by weight, preferably 20 to 70% by weight and in particular 20 to 60% by weight, in each case based on the solid of the coating material.
  • the dual-cure coating material preferably also contains at least one, in particular one, customary and known, thermally curable crosslinking agent (D).
  • the thermally curable crosslinking agent (D) preferably contains at least two of the reactive functional groups (a1) described above, in particular at least two blocked or unblocked isocyanate groups (a1). Examples of suitable crosslinking agents (D) are known from German patent application DE 10027 290 A1, pages 9 to 10, paragraph [0070].
  • the crosslinking agents (D) in the dual-cure coating material are preferably in an amount of 5 to 70% by weight, preferably 10 to 60% by weight, in particular 20 to 50% by weight, in each case based on the solids content of the coating material , contain.
  • the dual-cure coating material preferably also contains at least one functional additive (E), in particular at least two functional additives (E).
  • the functional additive (E) is or are particularly preferred Additives (E) from the group consisting of coloring, optically effecting, fluorescent, phosphorescent, electrically conductive, magnetically shielding, corrosion-inhibiting, optionally nano-scale, transparent pigments; molecularly dispersible dyes; Light stabilizers, UV absorbers, reversible radical scavengers (HALS); antioxidants; Wetting agents; emulsifiers; slip additives; polymerization inhibitors; Thermal crosslinking catalysts; thermolabile free radical initiators; photocoinitiators; Adhesion promoters; Leveling agents; film-forming aids; Rheology aids and rheology control additives (thickeners and pseudoplastic Sag control agents, SCA); Flame retardants; Corrosion inhibitors; To grow; driers; biocides; flatting agents; degassing; organic solvent
  • the production of the dual-cure coating material has no special features in terms of method, but can be achieved by mixing the above-described components (A) to (E) and homogenizing the resulting mixture using customary and known processes in suitable mixing units, such as stirred kettles, dissolvers and inlines -Dissolver, agitator mills, microfluidizer or extruder.
  • suitable mixing units such as stirred kettles, dissolvers and inlines -Dissolver, agitator mills, microfluidizer or extruder.
  • the dual-cure coating material is used to produce the top coat of the invention.
  • the method according to the invention is preferably used here.
  • the dual-cure coating material is particularly excellent for painting bodies of all kinds of means of transportation (in particular means of transportation powered by muscle power, such as bicycles, carriages or trolleys, aircraft, such as airplanes or zeppelins, floating bodies, such as ships or buoys, rail vehicles and motor vehicles, such as motorcycles, buses, trucks or cars) or parts thereof; of buildings indoors and outdoors; of furniture, windows and doors; of small industrial parts, of coils, containers and packaging; of white goods; of foils; of optical, electrotechnical and mechanical components as well as of glass hollow bodies and objects of daily use.
  • the dual-cure coating material is preferably used as a clear lacquer.
  • the thermal curing of the applied dual-cure coating material likewise has no special features in terms of method, but is instead carried out with the aid of customary known methods and devices, as described, for example, in German patent application DE 100 27 292 A1, page 15, paragraph [0130] and [0131].
  • Thermal curing can be supplemented to a minor extent by curing with actinic radiation, as described, for example, in German patent application DE 100 27 292 A., 1, page 15, paragraphs [0132] to [0134]. However, preferably no additional curing with actinic radiation is carried out.
  • the curing in particular the thermal curing, is preferably carried out in such a way that only a maximum of 70%, preferably a maximum of 60%, particularly preferably a maximum of 50% and in particular a maximum of 40% of the olefinic originally present in the dual-cure coating material unsaturated double bonds are implemented so that the topcoat according to the invention preferably contains at least 30%, preferably at least 40%, particularly preferably at least 50% and in particular at least 60% of the olefinically unsaturated double bonds originally present in the dual-cure coating material after its production.
  • the top coat according to the invention has the automotive quality described above.
  • the topcoat of the invention especially the clearcoat of the invention, is for several years, in many cases for Lifespan of a car, weather-resistant and UV-resistant, which is clear from the Florida weather.
  • Two dual-cure coating materials I and II were first prepared by mixing the constituents listed in Table 1 in the order given, homogenizing the resulting mixtures and distilling off the organic solvent present (methyl ethyl ketone, MEK).
  • Table 1 The material composition of the dual-cure coating materials (clear coats) I and II
  • Methacrylate copolymer (C) (acid number: 34.4 mg KOH / g; hydroxyl number: 150 mg KOH / g; glass transition temperature: 12.7 ° C; solids content: 57.6% by weight in
  • Crosslinking agent (D) isocyanurate based on hexamethylene diisocyanate blocked with dimethylpyrazole; isocyanate equivalent weight: 283 g / mol; solids content: 79.3% by weight in MEK: 80.02 80.02
  • Solids content 80% by weight in MEK) - 62.5
  • Lucirin ⁇ TPO commercially available photoinitiator from BASF Aktiengesellschaft
  • the clear varnish I was used for Examples 1, 3 and 5 and for the comparative experiments V1 to V3.
  • Clearcoat II was used for Examples 2, 4 and 6.
  • the clear coats I and II were applied pneumatically with flow cup guns to steel sheets, which - in the order given above - were pre-coated with an electro-dip coating, a filler coating and a water-based coating.
  • a silver metallic basecoat was used in Examples 1 and 2 and Comparative Experiment V1.
  • a black basecoat was used in Examples 3 and 4 and Comparative Experiment V2.
  • a white basecoat was used in Examples 5 and 6 and Comparative Experiment V3.
  • the wet layer thickness of the applied clearcoat layers I and II was chosen such that the cured clearcoats I and II had a dry layer thickness of 50 ⁇ m.
  • the applied clear lacquer layers I and II were predried in Examples 1 to 6 for 5 minutes at 60 ° C. and thermally cured for 30 minutes at 150 ° C.
  • thermal hardening convection ovens from Heraeus were used.
  • the applied clearcoat films I were predried for 5 minutes at 60 ° C., thermally cured for 15 minutes at 150 ° C., irradiated with UV radiation at a dose of 1.5 mJ / cm 2 and for 15 minutes at 150 ° C thermally hardened again.
  • Pinhole 200 ⁇ m, corresponding to approximately 1.5 ⁇ m axial resolution; Grid: 1,800 l / mm, corresponding to 2.5 crrr 1 spectral resolution; Measuring time single spectrum: 180 s) determined.
  • the spectra were smoothed, baseline corrected and normalized to the isocyanurate band at 1760 cncr 1 .
  • the band of the double bonds at about 1,635 cm 1 was evaluated: while in the clearcoats of Examples 1 to 6 there were still 50% of the double bonds originally present, in the clearcoats I of the comparative tests V1 to V3 more than 90% of the originally present double bonds were converted ,
  • test panels were then subjected to Florida weathering for one year.
  • Examples 1 to 6 were particularly weather-stable and significantly less
  • Table 2 The gloss (20 °) of clearcoats I and II of examples 1 to 6 and clearcoats I of comparative tests V1 to V3 before and after Florida weathering

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne une couche de finition transparente thermodurcie d'une épaisseur de 5 à 100 ñm contenant, par rapport à la couche de finition, 0,1 à 10 % en poids de liaisons doubles (>C=C<; Mn = 24 Dalton) oléfiniquement non saturées, leur procédé de production comportant (1) l'application d'une matière de revêtement durcissable thermiquement et par un rayonnement actinique, contenant, par rapport au corps solide de la matière de revêtement, 1 à 50 % en poids d'au moins un composé (A) ayant au moins une liaison double oléfiniquement insaturée, sur un substrat et (2) le thermodurcissement de la couche de finition ainsi obtenue. L'invention concerne également l'utilisation de cette couche de finition.
PCT/EP2004/053338 2003-12-01 2004-11-30 Couche de finition transparente thermodurcie, son procede de production et son utilisation WO2005053861A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356034.3 2003-12-01
DE2003156034 DE10356034A1 (de) 2003-12-01 2003-12-01 Thermisch gehärtete, transparente Decklackierung, Verfahren zur Herstellung und ihre Verwendung

Publications (1)

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WO2005053861A1 true WO2005053861A1 (fr) 2005-06-16

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0331409A2 (fr) * 1988-02-29 1989-09-06 Teijin Limited Procédé pour produire une pellicule de polyester revêtue d'une mince couche de polyuréthane et l'utilisation de cette pellicule
EP0452786A2 (fr) * 1990-04-11 1991-10-23 Herberts Gesellschaft mit beschränkter Haftung Procédé pour fabriquer des revêtements multicouches
EP0576031A1 (fr) * 1992-06-26 1993-12-29 Toyota Jidosha Kabushiki Kaisha Méthode de revêtement d'articles en polypropylène
WO1994027740A1 (fr) * 1993-05-21 1994-12-08 Kansai Paint Company, Limited Procede de production d'un revetement
EP0928800A1 (fr) * 1998-01-09 1999-07-14 Bayer Aktiengesellschaft Système de revêtement à partir d'isocyanates d'uréthanemethacryle contenant des groupes d'isocyanate
DE10033697A1 (de) * 2000-07-12 2002-01-24 Basf Ag Mit UV-Strahlung und thermisch härtbare wässrige Polyurethandispersionen sowie deren Verwendung
WO2002016462A1 (fr) * 2000-08-24 2002-02-28 Basf Coatings Ag Systemes a composante unique durcissable par reaction thermique et par rayonnement actinique et leur utilisation
WO2002028938A1 (fr) * 2000-09-30 2002-04-11 Basf Coatings Ag Systeme d'agents de revetement permettant la realisation de peintures multicouches de coloration et/ou a effets, se basant sur des agent de revetement a constituants multiples
DE10048849A1 (de) * 2000-10-02 2002-04-18 Basf Coatings Ag Verfahren zur Herstellung eines thermisch und mit aktinischer Strahlung härtbaren Mehrkomponentensystems und seine Verwendung
US20020198314A1 (en) * 1999-12-06 2002-12-26 Uwe Meisenburg Powder slurry and method for producing a coloured and or decorative effect multi layered coating on a primed or unprimed
WO2003002268A2 (fr) * 2001-06-27 2003-01-09 Basf Coatings Ag Procede de production de revetements au moyen de substances de revetement pouvant etre durcies thermiquement et par rayonnement actinique
WO2003018214A2 (fr) * 2001-08-20 2003-03-06 Basf Aktiengesellschaft Films recouverts de peinture
WO2003022937A1 (fr) * 2001-09-05 2003-03-20 Basf Coatings Ag Sols de polysiloxane thermodurcissables et durcissables par rayonnement actinique, leur procede d'obtention et leur utilisation
US20030191272A1 (en) * 2002-04-09 2003-10-09 Carmen Flosbach Dual cure coating compositions and process for the production of multilayer coatings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988007416A1 (fr) * 1987-03-27 1988-10-06 Avery International Corporation Procede de transfert de peinture seche et produit obtenu
DE19930664A1 (de) * 1999-07-02 2001-01-11 Basf Coatings Ag Klarlack und seine Verwendung zur Herstellung von Klarlackierungen und farb- und/oder effektgebenden Mehrschichtlackierungen
DE19947521A1 (de) * 1999-10-02 2001-04-05 Basf Coatings Ag Mit aktinischer Strahlung aktivierbare Bindungen enthaltendes festes Stoffgemisch und seine Verwendung
DE10041636A1 (de) * 2000-08-24 2002-03-28 Basf Coatings Ag Thermisch härtbares Stoffgemisch und seine Verwendung

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0331409A2 (fr) * 1988-02-29 1989-09-06 Teijin Limited Procédé pour produire une pellicule de polyester revêtue d'une mince couche de polyuréthane et l'utilisation de cette pellicule
EP0452786A2 (fr) * 1990-04-11 1991-10-23 Herberts Gesellschaft mit beschränkter Haftung Procédé pour fabriquer des revêtements multicouches
EP0576031A1 (fr) * 1992-06-26 1993-12-29 Toyota Jidosha Kabushiki Kaisha Méthode de revêtement d'articles en polypropylène
WO1994027740A1 (fr) * 1993-05-21 1994-12-08 Kansai Paint Company, Limited Procede de production d'un revetement
EP0928800A1 (fr) * 1998-01-09 1999-07-14 Bayer Aktiengesellschaft Système de revêtement à partir d'isocyanates d'uréthanemethacryle contenant des groupes d'isocyanate
US20020198314A1 (en) * 1999-12-06 2002-12-26 Uwe Meisenburg Powder slurry and method for producing a coloured and or decorative effect multi layered coating on a primed or unprimed
DE10033697A1 (de) * 2000-07-12 2002-01-24 Basf Ag Mit UV-Strahlung und thermisch härtbare wässrige Polyurethandispersionen sowie deren Verwendung
WO2002016462A1 (fr) * 2000-08-24 2002-02-28 Basf Coatings Ag Systemes a composante unique durcissable par reaction thermique et par rayonnement actinique et leur utilisation
WO2002028938A1 (fr) * 2000-09-30 2002-04-11 Basf Coatings Ag Systeme d'agents de revetement permettant la realisation de peintures multicouches de coloration et/ou a effets, se basant sur des agent de revetement a constituants multiples
DE10048849A1 (de) * 2000-10-02 2002-04-18 Basf Coatings Ag Verfahren zur Herstellung eines thermisch und mit aktinischer Strahlung härtbaren Mehrkomponentensystems und seine Verwendung
WO2003002268A2 (fr) * 2001-06-27 2003-01-09 Basf Coatings Ag Procede de production de revetements au moyen de substances de revetement pouvant etre durcies thermiquement et par rayonnement actinique
WO2003018214A2 (fr) * 2001-08-20 2003-03-06 Basf Aktiengesellschaft Films recouverts de peinture
WO2003022937A1 (fr) * 2001-09-05 2003-03-20 Basf Coatings Ag Sols de polysiloxane thermodurcissables et durcissables par rayonnement actinique, leur procede d'obtention et leur utilisation
US20030191272A1 (en) * 2002-04-09 2003-10-09 Carmen Flosbach Dual cure coating compositions and process for the production of multilayer coatings

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