EP1861473A1 - Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme - Google Patents

Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme

Info

Publication number
EP1861473A1
EP1861473A1 EP06707924A EP06707924A EP1861473A1 EP 1861473 A1 EP1861473 A1 EP 1861473A1 EP 06707924 A EP06707924 A EP 06707924A EP 06707924 A EP06707924 A EP 06707924A EP 1861473 A1 EP1861473 A1 EP 1861473A1
Authority
EP
European Patent Office
Prior art keywords
coating material
material system
radiation
curable
reactive functional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP06707924A
Other languages
German (de)
English (en)
Inventor
Bernhard Lettmann
Klaus-Udo Reize
Egbert Nienhaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Coatings GmbH
Original Assignee
BASF Coatings GmbH
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 GmbH filed Critical BASF Coatings GmbH
Publication of EP1861473A1 publication Critical patent/EP1861473A1/fr
Ceased legal-status Critical Current

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
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Definitions

  • the present invention relates to a novel integrated coating system based on UV-A curable, solvent-borne coating materials. Moreover, the present invention relates to a novel process for the preparation of an integrated coating system based on UV-A curable, solvent-borne coating materials. Furthermore, the present invention relates to the use of the new integrated coating material system based on UV-A radiation-curable, solvent-borne coating materials and the prepared using the novel process coating system based on UV-curable UV-curable, solvent-borne coating materials in the automotive refinishing.
  • the known spot repair methods have numerous disadvantages and are difficult to perform.
  • the run-off zones of the clearcoat spray mist on the original finish are often too wide, which makes the optical adaptation of refinish and original finish difficult.
  • the repair clearcoat may break away or rupture. This results in clearly visible edges that can even completely circulate the repair clearcoat, which is located directly above the original finish.
  • the refinish works then because of the optically hard transition zones as a whole "glued plaster". Attempts have been made to solve the problems of breaking away or tearing and of the difficult adaptation of the optical properties in the run-off zones by applying so-called spotblenders over the uncured repair clearcoat. As a result, particularly "soft" transition zones are created and prevented that the repair clearcoat tears in the edge zones to the original finish.
  • the known from the German patent application DE 100 43 810 A1 spot repair method has brought significant benefits.
  • the grinding and / or polishing times can be reduced by more than 50% compared to conventional methods.
  • the resulting refinishes no longer visually stand out from the original finishes.
  • a ripping or breaking away of the repair clearcoat in the run-off zones is no longer observed.
  • the refinish coatings are of such high quality that the spot repair process in question can also be used for car mini repair in the part of original paintwork in the line at the automobile manufacturer. Due to the high i. O. Rate are thereby achieved significant economic benefits.
  • spot blender used in the known spot repair process is not fully suitable for use in spot repair processes involving actinic radiation, preferably UV radiation, in particular UV-A radiation, curable clearcoats are used (for "actinic radiation”, see German Patent Application DE 103 16 890 A1, page 6, paragraph [0035]).
  • D i pentaerythritol pentaacrylate solvents such as butyl acetate, ethoxyethyl propionate, methyl isoamyl ketone and
  • Lucirin® TPO from BASF Aktiengesellschaft (acylphosphine oxide
  • German Patent DE 197 09 467 C1 discloses UV-curable, solvent-free mixtures which, for example, are known
  • Dual-cure-curable coating materials which are prepared from multicomponent systems, in particular two-component systems which contain polyisocyanates as hardeners, are known from German patent applications DE 103 16 890 A1, US Pat. DE 103 00 798 A1, DE 102 02 565 A1, DE 100 42 152 A1, DE 102 04 114 A1, DE 100 48 847 A1, DE 100 48 849 A1 or DE 100 48 275 A1 DE 100 48 670 A1. These coating materials are mainly used as dual-cure clearcoats for the production of color and / or effect multicoat paint systems in the OEM sector. These color and / or effect multicoat systems have excellent performance properties.
  • the known dual-cure coating materials can also be used as repair clearcoats.
  • they have certain drawbacks that do not occur in the above-mentioned OEM application.
  • the repair basecoat films can be dried in contrast to the OEM application only at a maximum of 60 0 C, so that they are partially dissolved by the subsequently applied repair clearcoats.
  • actinic radiation preferably UV radiation, in particular UV-A radiation
  • the repair clearcoat films shrink (polymerization shrinkage).
  • the platelet-shaped effect pigments located in the region of the surface of the repair basecoat paints are "taken along" by the shrinking clearcoat films, which results in said paint defects.
  • a coating material system for producing a thermally curable multi-component filler comprising (a) an isocyanate-free component containing isocyanate-reactive functional groups and a
  • a coating material system for producing a thermally curable multi-component topcoat comprising (a) one free from isocyanate groups
  • Component containing isocyanate-reactive functional groups and at least one pigment (b) a component free of isocyanate-reactive functional groups, containing polyisocyanates, and (c) a diluent and
  • At least one coating material system for producing a thermal and actinic radiation-curable multicomponent clearcoat comprising (a) an isocyanate-free component containing isocyanate-reactive functional groups, (b) a component free of isocyanate-reactive functional groups, containing polyisocyanates, and (c) a Thinner.
  • this known coating material system can not solve the above-described problems of "entrainment" of platelet-shaped effect pigments at the interface between repair clearcoat and repair basecoat film.
  • the known coating material system is not designed so that it can be used in spot repair processes and that the clearcoat film is to be cured with UV-A radiation. The problems that can occur in the run-off zones of refinishes, are not addressed in the German patent application DE 100 48 670 A1 at all.
  • the object of the present invention is to provide a new integrated coating system based on UV-A curable coating materials.
  • the new integrated coating material system should be very easy to produce reproducible in a simple manner and easily stored and transported to the users, in particular the paint shops.
  • the new integrated coating system is intended to solve the above problems associated with the use of the known spot blenders in spot repair processes and the use of the known dual-cure clearcoats.
  • none of the components (1.1) and (1.2) or at least one of the components (1.1) and / or (1.2) has at least one curable with UV-A radiation component;
  • (II) at least one separate, opaque pigments and isocyanate-free, UV-A-curable, solvent-containing and isocyanate-reactive functional group-containing coating material; wherein the curable with UV-A radiation components in combination with at least one colorless or substantially colorless photoinitiator having at least one absorption maximum in the wavelength range of ⁇ 300 to 400 nm;
  • coating system according to the invention.
  • the novel process for the preparation of the coating material system according to the invention has been found, in which the components (1.1) and (1.2) of the coating material system (I) and the broom (II) separately prepared by mixing their respective constituents and homogenizing the resulting mixtures, after which the resulting components (1.1) and (I.2) of the coating material system (I) and the coating material (II) are stored separately from one another until they are used further.
  • the coating material system according to the invention could be produced in a simple manner in a very reproducible manner and could be stored without problems and transported to the users, in particular the paint shops.
  • it was eminently suitable for the production of automotive refinishes that were free of paint defects such as fog and matting.
  • the new integrated coating system has been able to fully solve the above-mentioned problems associated with the use of the known spot blenders in spot repair processes and the use of the known dual-cure clearcoats.
  • the new integrated coating material system made it possible, in particular, to carry out spot repair processes which provided refinishes which could be sanded and / or polished in a very short time, no longer visually stand out from the original finish, no more tearing or breaking away in the run-off zones were of such high quality that they could also be used for car mini repair in the part of original paints in the line.
  • the coating material system according to the invention comprises
  • the component (1.1) has at least one curable with UV-A radiation component; such as
  • the brooming material system according to the invention consists of
  • coating material system (I) in which none of the components (1.1) and (1.2) has a constituent curable with UV-A radiation, and at least one, in particular one, coating material (II)
  • the coating material system according to the invention consists of
  • coating material system wherein at least one of the components (1.1), in particular one component (1.1), at least one curable UV-A radiation component, and at least one, in particular a, coating material (II ).
  • the coating material system according to the invention consists of
  • a curable with UV-A radiation component and at least one, in particular a, coating material (II)
  • coating material system I
  • the brooming material system II
  • technically equivalent components such as, for example, the respective UV-A activatable or curable components, photoinitiators, organic solvents, Light stabilizers or wetting agents, are materially identical.
  • the polyisocyanates contained in the two broom ichtungsstoffsystemen (I) are materially identical.
  • the first essential constituent of the coating material system according to the invention is the coating material system (I).
  • the coating material system (I) is free from opaque pigments, i. h., That the coatings produced from it are transparent or clear. Accordingly, the coating material system (I) may contain pigments which do not opacify, such as transparent fillers or nanoparticles, in particular nanoparticles, or dyes dispersed in molecular disperse form.
  • the coating material system (I) can only be thermally curable. The thermal curing takes place via the isocyanate-reactive functional groups of component (1.1) and the isocyanate groups of component (1.2).
  • Suitable isocyanate-reactive functional groups are hydroxyl groups, thiol groups and primary and secondary amino groups, especially hydroxyl groups.
  • component (1.1) which contain the isocyanate-reactive functional groups are described, for example, in German Patent Application DE 100 48 670 A1, page 3, paragraph [0017], page 4, paragraph [0028], or US Pat German Patent Application DE 103 16 890 A1, page 9, paragraph [0061], to page 13, paragraph [0090] known.
  • the isocyanate groups of component (1.2) are preferably in polyisocyanates, in particular conventional and known lacquer polyisocyanates.
  • suitable polyisocyanates are described in German patent application DE 100 48 670 A1, page 5, paragraph [0058], to page 6, paragraph [0064], or German patent application DE 103 16 890 A1, page 14, paragraph [0105], to Page 15, paragraph [0106], and page 15, paragraphs [0108] and [0109].
  • the coating material system (I) can be curable thermally and with UV-A radiation, i. Dual-cure, be.
  • Suitable light sources for UV-A radiation are conventional and are known, for example, in German patent application DE 103 16 890 A1, page 17, paragraphs [0128] to [0130], or in international patent application WO 94/11123, page 2, Line 35, to page 3, line 6, page 3, lines 10 to 15, and page 8, lines 1 to 14 described.
  • component (1.1) of the coating material system (I) is preferably admixed with at least one constituent which can be activated with UV-A radiation and thereby hardened.
  • the UV-A curable constituents are selected from the group consisting of
  • Monomers (a1) containing at least three, preferably at least four, preferably at least five and in particular five UV-A radiation-curable reactive functional groups and at least one, especially one, isocyanate-reactive functional group and
  • UV-A-activatable and therefore curable reactive functional groups are the reactive functional groups described in German patent application DE 103 16 890 A1, page 6, paragraphs [0035] and [0039] to [0041].
  • acrylate groups are used.
  • An example of a particularly suitable monomer (a1) is dipentaerythritol pentaacrylate.
  • An example of a particularly suitable mixture (a2) is the mixture of pentaerythritol tetraacrylate (a21) and pentaerythritol triacrylate (a22).
  • the second essential constituent of the coating material system according to the invention is the sweeping agent (II).
  • the coating material (II) is free from opaque pigments and isocyanate groups. It contains isocyanate-reactive functional groups as described above. It is curable with UV-A radiation. In its composition, it thus resembles component (1.1) of the coating material system (I), except that the coating material (II) preferably contains the isocyanate-reactive functional groups exclusively in the UV-A radiation-curable constituents described above and not in one of those described above , isocyanate-reactive functional group-containing components.
  • the photoinitiators are colorless. This means that their body color is white (see Römpp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag, Stuttgart New York, 1998, “Body Colors” and “Unpuntrete”.
  • the photoinitiators may also be substantially colorless. This means that they have an intrinsic color of low chroma, for example a very faint yellow shade, which, however, in the concentrations in which the photoinitiators are used, does not cause discoloration of the coating material systems according to the invention and of the refinishes produced therewith.
  • Suitable photoinitiators are all customary and known photoinitiators, as described, for example, in German Patent Application DE 103 16 890 A1, page 6, paragraphs [0035] and [0036], or in Römpp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, "photoinitiators", as long as they have the above property profile.
  • photoinitiators examples include 1-hydroxycyclohexylphenyl ketone (Irgacure® 184 from Ciba Spezialitätenchemie), 2,2-dimethoxy-1,2-diphenylethan-1-one (Irgacure® 651 from Ciba Spezialitätenchemie) and Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (Darocur® 4265 from Ciba Spezirochenchemie), in particular mixtures of Irgacure® 184 and Irgacure® 651.
  • the photoinitiators are used in the usual and known amounts recommended in the prior art.
  • the coating material (II) consists of (A) 1 to 50% by weight of at least one of the above-described ultraviolet radiation curable components;
  • Component (C) is selected from the group consisting of alkyl and / or cycloalkyl acetates having 3 to 10 carbon atoms in the alkyl group and / or in the cycloalkyl group.
  • suitable constituents (C) are known from German patent application DE 100 43 810 A1, column 3, paragraphs [0016] to [0018]. In particular, butyl acetate is used.
  • the component (C) is contained in the brooming agent (II) in an amount of 10 to 70, preferably 15 to 50 and especially 20 to 45 wt .-%.
  • Component (D) is selected from the group consisting of alkoxyalkyl, alkoxycycloalkyl, cycloalkoxyalkyl and / or cycloalkoxycycloalkylacetate.
  • suitable constituents (D) are known from German patent application DE 100 43 810 A1, column 3, paragraph [0020], to column 4, paragraph [0025]. In particular, 1-methoxypropyl acetate is used.
  • the component (D) is contained in the brooming agent (II) in an amount of 10 to 70, preferably 15 to 50 and especially 20 to 45 wt .-%.
  • Component (E) is at least one compound which lowers the interfacial tension, in particular at least one wetting agent (cf., for this purpose, Römpp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, "wetting agent” and “course (auxiliary) agent”) ,
  • wetting agent cf., for this purpose, Römpp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag, Stuttgart, New York, 1998, "wetting agent” and “course (auxiliary) agent”
  • suitable wetting agents are known from German patent application DE 100 43 810 A1, column 4, paragraph [0032].
  • polyether-modified methylpolysiloxanes are used. They are sold under the trademark Baysilone® OL 44 by Borchers.
  • the component (E) is contained in the coating material (II) in an amount of 0.001 to 5, preferably 0.005 to 2 and especially 0.05 to 1 wt .-%.
  • the coating material (II) may contain up to 50% by weight of the component (F).
  • Component (F) is selected from the group consisting of alkylaromatics having at least two alkyl groups of 1 to 6 carbon atoms in the molecule. Examples of suitable constituents (F) are known from German patent application DE 100 43 810 A1, column 4, paragraph [0027]. In particular, XyIoI is used.
  • the constituent (F) is preferably present in the mixture according to the invention in an amount of 5 to 50, preferably 10 to 30 and in particular 10 to 25 wt .-%.
  • the coating material (II) may contain up to 50% by weight of at least one additive (G) other than the components (A) to (F).
  • the additives (G) are selected from the group consisting of light stabilizers, such as UV absorbers and reversible radical scavengers (HALS); antioxidants; customary solvents; Biocides and thermal crosslinking catalysts.
  • the amount of additive (G) used can therefore vary very widely from additive to additive (G).
  • catalysts (G) for thermal crosslinking particularly preferably catalysts (G) for the reaction of isocyanate groups with isocyanate-reactive functional groups, very particularly preferably lithium, zinc, Bismuth and / or tin compounds, as described for example in German Patent Application 100 48 670 A1, page 5, paragraph [0043], but in particular dibutyltin dilaurate used.
  • this catalyst (G) is in the broom ichtungsstoff (II) in an amount of 0.01 to 2, preferably before 0.03 to 1 and in particular 0.05 to 0.5 wt .-%.
  • This catalyst (G) may also be present in these amounts in component (1.1) of the coating material system (I), the percentages then being based on component (1.1).
  • the coating material system according to the invention is preferably produced by means of the process according to the invention.
  • the components (1.1) and (1.2) of the coating material system (I) and the coating material (II) are prepared separately from each other by mixing their respective constituents described above and homogenizing the resulting mixtures, preferably with the exclusion of actinic radiation the resulting components (1.1) and (1.2) of the coating material system (I) and the coating material (II) are stored separately from one another until their further use, preferably with the exclusion of actinic radiation.
  • the coating material system of the invention can be supplied in and of itself numerous applications. Preferably, it is for the production of color and / or effect multi-layer coatings, both for OEM and automotive refinishing, preferably automotive refinishing, especially automotive mini repair in the part (spot repair) used.
  • the coating material system (I) is used for the production of clearcoats, in particular repair clearcoats.
  • the coating material (II) can serve in the context of the coating material system according to the invention in and of itself numerous applications. In particular, however, it is used in the context of the use according to the invention as a spot blender in spot repair processes or for the production of such a spot blender.
  • the coating material (II) is used for producing spot blenders, this is preferably done by mixing the coating material (II) with one of the above-described dual-cure repair clearcoats, prepared from the broom system (I), and homogenizing the resulting mixture, which can be used with advantage as a spot blender in the spot repair method according to the invention.
  • the coating material system (I) is used, from which the dual-cure repair clearcoat used in each case is produced.
  • the spot repair method according to the invention comprises the following method steps:
  • the basecoat (5) by means of pneumatic application with a spray gun covering the outside, d. H. from the original finish, inside, d. H. towards the center of the damaged area.
  • the cleaning equipment and fluids as well as grinding and / or polishing equipment can be used, as they are commonly used for automotive refinishing.
  • the filling (3) it is possible to use customary and known spatula, in particular UV-curable spatula, such as BASF Coatings AG.
  • Suitable fillers (4) are customary and known aqueous and conventional fillers, as described, for example, in patents and patent applications US Pat. No. 4,537,926 A, EP 0 529 335 A1, EP 0 595 186 A1, EP 0 639 660 A1, DE 44 38 504 A1, DE 43 37 961 A1, WO 89/10387, US Pat. No. 4,450,200 A, US Pat. No. 4,614,683 A or WO 94/26827. It can also with UV-curable filler (4) into consideration.
  • the fillers (4) are commercially available products which are sold, for example, by BASF Coatings AG under the brand name Glasurit® 1 K Primer Filler 76-71.
  • EP 0 234 362 A1 EP 0 234 361 A1, EP 0 543 817 A1, WO 95/14721, EP 0 521 928 A1, EP 0 522 420 A1, EP 0 522 419 A1, EP 0 649 865 A 1, EP 0 536 712 A1, EP 0 596
  • the basecoats (5) are commercially available products, for example from BASF Coatings AG under the brand names Glasurit® Topcoat Series 55 with Glasurit® Adjustment Additive 352-91 or Glasurit® Topcoat Series 90 with Glasurit® Adjustment Additive 93-E 3 and Glasurit ® Beispritzlack 90-M5 are sold in accordance with European Patent Application EP 0 578 645 A 1.
  • thermal curing of the applied in the spot repair method according to the invention coating materials has no special features, but takes place with conventional and known devices, such as fan heaters and radiant heaters, which radiate near and far infrared.
  • the temperatures used and the duration of the heating depend on the requirements of the individual case, in particular according to the reactivity of the thermosetting constituents, and can be easily selected and adjusted by one skilled in the art on the basis of his general knowledge and skill.
  • the curing of the applied in the inventive spot repair method Besen ichtungsstoffe with UV-A radiation also has no special features, but takes place with the usual and known light sources, as described above. Shadow zones can be exposed with the help of aluminum foils as mirrors or reflectors.
  • the duration of the exposure and the radiation dose applied depend on the requirements of the individual case, in particular on the reactivity of the UV-ray curable components, and can be easily selected and adjusted by the skilled person on the basis of his general knowledge and skill.
  • the UV-A light sources may be provided in a conventional manner with filters, so that the curing of the applied in the inventive spot repair method coating materials alternately with IR radiation, d. H. thermal, and can be done with UV-A radiation.
  • the spot repair method according to the invention is particularly suitable for the spot repair of damage up to 4 to 5 cm in diameter.
  • the damaged area should be without deformations such as bumps, scratches or stone chips.
  • the spot repair method is advantageously applied in the vicinity of edges (distance up to 15 cm).
  • the use according to the invention and the spot repair process according to the invention provide refinishes which can be sanded and / or polished in a very short time, no longer optically stand out from the original finish, show no more tearing or breaking away in the run-off zones and are of such high quality in that they can also be used for car mini repair in the part of original paints in the line.
  • the result is that by the use according to the invention and the spot repair process according to the invention, veils,
  • the component (1.1) of the coating material system (I) was in a suitable stirred vessel with exclusion of actinic radiation by mixing 45 parts by weight of known from the German patent application DE 100 48 670 A1, Preparation Example 1, page 10, lines 8 to 22 thermally curable Methacrylatcopolymerisats, 35 parts by weight of dipentaerythritol pentaacrylate, 8 parts by weight of butyl acetate, 7.5 parts by weight Ethylethoxypropionat, 0.2 parts Byk® 325 and 0.5 parts Byk® 358 (both commercially available paint additives from Byk Chemie), 0.6 parts by weight of dibutyltin dilaurate (10 percent ), 1.0 parts by weight of Tinuvin® 292 and 1.0 parts by weight of Tinuvin® 400 (both commercially available light stabilizers from Ciba Spezialitätenchemie), 0.8 parts by weight of 1-hydroxycyclohexylphenyl ketone (Irgacure® 184 from Ciba Spezi
  • the thinner used for the coating material system (I) was the commercially available setting additive Glasurit® setting additive 352-91 from BASF Coatings AG.
  • the components of the coating material system (I) described above were storage-stable with the exclusion of actinic radiation and could easily be transported to the paint shops. Due to their advantageous viscosity, they could be mixed by hand without much equipment.
  • the resulting repair clearcoat had an excellent pot life, excellent application behavior and an advantageously rapid drying time until dust dryness.
  • Paint damage The damaged area to be repaired was a 4 to 5 cm long scratch in a silver metallic painted car door, which had been caused by a key and partly reached down to the substrate.
  • Sanding wet (spray bottle) with abrasive bloom® P 1000 from 3M
  • Spray gun SATA minijet 2 HVLP SR; Injection pressure: 1, 5 bar
  • Repair clearcoat repair clearcoat acc. Example 1, para. 1.1.4
  • Spray gun SATA minijet 2 HVLP SR; Injection pressure: 1, 5 bar
  • Spray gun SATA minijet 2 HVLP SR; Injection pressure: 1, 5 bar
  • the resulting refinish was immediately very good polishable and optically and mechanically well adapted to the original finish. There were no veils, mattings or other paint defects observed.

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)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un système de substances de revêtement intégré comprenant : (I) au moins un système de substances de revêtement exempt de pigments couvrants, durcissable thermiquement ou thermiquement et par rayonnement UV-A et contenant des solvants, ce système comprenant (I.1) au moins un composant séparé exempt de groupes isocyanate et contenant des groupes fonctionnels réactifs aux isocyanates et (I.2) au moins un composant séparé exempt de groupes fonctionnels réactifs aux isocyanates et contenant des groupes isocyanate, aucun des composants (I.1) et (I.2) ou au moins un des composants (I.1) et/ou (I.2) présentant au moins un constituant durcissable par rayonnement UV-A ; et (II) au moins une substance de revêtement séparée exempte de pigments couvrants et de groupes isocyanate, durcissable par rayonnement UV-A et contenant des solvants et des groupes fonctionnels réactifs aux isocyanates ; les constituants durcissables par rayonnement UV-A étant présents en association avec au moins un photo-initiateur incolore ou sensiblement incolore présentant au moins un maximum d'absorption dans le domaine spectral μ = 300 à 400 nm. L'invention concerne également un procédé de production et l'utilisation de ce système.
EP06707924A 2005-03-18 2006-01-25 Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme Ceased EP1861473A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005012588A DE102005012588A1 (de) 2005-03-18 2005-03-18 Integriertes Beschichtungsstoffsystem auf der Basis von mit UV-A-Strahlung härtbaren, lösemittelhaltigen Beschichtungsstoffen, Verfahren zu seiner Herstellung und seine Verwendung
PCT/EP2006/050555 WO2006097385A1 (fr) 2005-03-18 2006-01-25 Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme

Publications (1)

Publication Number Publication Date
EP1861473A1 true EP1861473A1 (fr) 2007-12-05

Family

ID=36530965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06707924A Ceased EP1861473A1 (fr) 2005-03-18 2006-01-25 Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme

Country Status (8)

Country Link
US (1) US20080214693A1 (fr)
EP (1) EP1861473A1 (fr)
JP (1) JP2008535952A (fr)
AU (1) AU2006224713B2 (fr)
BR (1) BRPI0608510A2 (fr)
DE (1) DE102005012588A1 (fr)
MX (1) MX2007005451A (fr)
WO (1) WO2006097385A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070048441A1 (en) * 2005-08-31 2007-03-01 Basf Corporation Radiation curable clearcoat repair system and method for obtaining film build in thin film areas using the system
DE102006031998A1 (de) * 2006-07-11 2008-01-24 Volkswagen Ag Verfahren zum Lackieren einer Oberfläche, insbesondere einer Kraftfahrzeugkarosserie
DE102007031594A1 (de) * 2007-07-06 2009-01-08 Basf Coatings Ag Universeller Spotblender für Einkomponenten- und Zweikomponentenklarlacke
WO2011150164A1 (fr) * 2010-05-27 2011-12-01 E. I. Du Pont De Nemours And Company Composition de revêtement transparent et procédé de réparation en fin de ligne utilisant la composition de revêtement transparent
KR102215975B1 (ko) * 2020-08-04 2021-02-16 정재욱 Ｕｖ를 이용한 자동차 보수도장 방법
WO2023117895A1 (fr) 2021-12-21 2023-06-29 Basf Se Passeport de produit chimique pour données de production

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01304161A (ja) * 1988-06-01 1989-12-07 Kansai Paint Co Ltd 補修塗装法
JPH07133448A (ja) * 1993-11-09 1995-05-23 Nippon Oil & Fats Co Ltd 補修用塗料組成物
JPH07236856A (ja) * 1994-02-28 1995-09-12 Toyota Motor Corp 上塗塗膜の補修方法
DE19635447C1 (de) * 1996-08-31 1997-11-20 Herberts Gmbh Verfahren zur Herstellung einer Reparaturlackierung
DE19908001A1 (de) * 1999-02-25 2000-08-31 Basf Coatings Ag Hochkratzfeste Mehrschichtlackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10043810A1 (de) * 2000-09-06 2002-04-04 Basf Coatings Ag Bindemittellösung und ihre Verwendung für die KFZ-Kleinstreparatur im Teil
DE10048670A1 (de) * 2000-09-30 2002-04-25 Basf Coatings Ag Beschichtungsstoffsystem für die Herstellung farb- und/oder effektgebender Mehrschichtlackierungen auf der Basis von Mehrkomponentenbeschichtungsstoffen
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
DE10140145A1 (de) * 2001-08-16 2003-03-06 Basf Coatings Ag Thermisch und mit aktinischer Strahlung härtbare Beschichtungsstoffe und ihre Verwendung
DE10202565A1 (de) * 2002-01-24 2003-08-07 Basf Coatings Ag Gehärtete Materialien, Verfahren zu ihrer Herstellung und ihre Verwendung
US6815501B2 (en) * 2002-04-09 2004-11-09 E. I. Du Pont De Nemours And Company Dual cure coating compositions and process for the production of multilayer coatings
DE10316890A1 (de) * 2003-04-12 2004-11-04 Basf Coatings Ag Mit aktinischer Strahlung aktivierbare Initiatoren enthaltende Mischungen sowie Zwei- und Mehrkomponentensysteme, Verfahren zu ihrer Herstellung und ihre Verwendung
US20040254257A1 (en) * 2003-06-10 2004-12-16 Laginess Thomas J. Coating composition curable with ultraviolet radiation
US20070048441A1 (en) * 2005-08-31 2007-03-01 Basf Corporation Radiation curable clearcoat repair system and method for obtaining film build in thin film areas using the system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006097385A1 *

Also Published As

Publication number Publication date
AU2006224713A1 (en) 2006-09-21
US20080214693A1 (en) 2008-09-04
JP2008535952A (ja) 2008-09-04
MX2007005451A (es) 2007-07-10
AU2006224713B2 (en) 2012-02-02
BRPI0608510A2 (pt) 2010-01-05
DE102005012588A1 (de) 2006-09-21
WO2006097385A1 (fr) 2006-09-21

Similar Documents

Publication Publication Date Title
DE19924674C2 (de) Thermisch und mit aktinischer Strahlung härtbarer Beschichtungsstoff und seine Verwendung
DE60110775T2 (de) Verfahren zur Reparaturbeschichtung
EP0968059B2 (fr) Procede de mise en peinture multicouche et agent de revetement pour ce procede
WO2002038287A1 (fr) Vernis multicouche a couleur et/ou a effet, son procede de fabrication et son utilisation
EP1861473A1 (fr) Systeme de substances de revetement integre a base de substances de revetement contenant des solvants et durcissables par rayonnement uv-a, procede de production et utilisation de ce systeme
DE19920801A1 (de) Hochkratzfeste mehrschichtige Lackierung, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19913442C2 (de) Verfahren zur Lackierung von Fahrzeugkarossen oder deren Teilen
EP1861463B1 (fr) Melange durcissable par rayonnement uv-a et contenant des solvants, procede de production et utilisation de ce melange
DE102004061185A1 (de) Mehrkomponentensysteme, Verfahren zu ihrer Herstellung und ihre Verwendung
EP3325176B1 (fr) Procede de fabrication d'un revetement comprenant une matiere de charge et une couche de vernis de recouvrement
DE10004488A1 (de) Verfahren zur Herstellung von Beschichtungen, Klebschichten oder Dichtungen für grundierte oder ungrundierte Substrate
DE602004000259T2 (de) Verfahren zum lackieren von Kunststoffgegenständen
EP3325177B1 (fr) Combinaison de matiere de revetement comprenant une charge et un vernis de finition
DE19857941C2 (de) Verfahren zur Mehrschichtlackierung
EP2170974B1 (fr) Mélangeur instantané universel pour vernis transparent à un composant ou à deux composants
EP3071653B1 (fr) Système de mélange pour la fabrication de compositions de peintures de finition ainsi que de compositions de revêtement appliquées à la spatule
DE60300050T2 (de) Verfahren zur Reparaturlackierung
WO2012101115A1 (fr) Peintures de base pour vernis multicouches surcuits
EP3663370B1 (fr) Composition contenant un solvant pour un système de revêtement 2k et son utilisation
DE10041979A1 (de) Beschichtungsstoffe und ihre Verwendung zur Herstellung deckender farbgebender Beschichtungen
DE10356034A1 (de) Thermisch gehärtete, transparente Decklackierung, Verfahren zur Herstellung und ihre Verwendung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20071017

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20080724

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BASF COATINGS GMBH

APBK Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNE

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APBT Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9E

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20160913