EP0370038A1 - Procede de production d'un revetement protecteur et/ou decoratif a couches multiples et compositions de revetement delayables dans l'eau - Google Patents

Procede de production d'un revetement protecteur et/ou decoratif a couches multiples et compositions de revetement delayables dans l'eau

Info

Publication number
EP0370038A1
EP0370038A1 EP88905800A EP88905800A EP0370038A1 EP 0370038 A1 EP0370038 A1 EP 0370038A1 EP 88905800 A EP88905800 A EP 88905800A EP 88905800 A EP88905800 A EP 88905800A EP 0370038 A1 EP0370038 A1 EP 0370038A1
Authority
EP
European Patent Office
Prior art keywords
water
resin
thinnable
coating composition
dilutable
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.)
Pending
Application number
EP88905800A
Other languages
German (de)
English (en)
Inventor
Bodo Müller
Eric Martin
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 Farben und Fasern AG
Original Assignee
BASF Lacke und Farben 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 Lacke und Farben AG filed Critical BASF Lacke und Farben AG
Publication of EP0370038A1 publication Critical patent/EP0370038A1/fr
Pending legal-status Critical Current

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
    • B05D7/14—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 to metal, e.g. car bodies
    • B05D7/16—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 to metal, e.g. car bodies using synthetic lacquers or varnishes
    • 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
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/38—Paints containing free metal not provided for above in groups C09D5/00 - C09D5/36
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/43—Thickening agents
    • C09D7/44—Combinations of two or more thickening agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00

Definitions

  • the invention relates to a method for producing a multilayer, protective and / or decorative coating on a substrate surface, in which
  • a water-thinnable base coating composition is applied as the base coating composition, this base coating composition containing water, optionally organic solvents, a water-dilutable binder, pigment particles and a thickener,
  • the base layer is baked together with the cover layer.
  • Multicoat paint systems are preferably applied by the so-called "basecoat / clearcoat” process, i.e. a pigmented basecoat is pre-coated and after a short flash-off time without a baking step (wet-on-wet method), overcoated with clearcoat. Then the basecoat and clearcoat are baked together.
  • basecoat / clearcoat i.e. a pigmented basecoat is pre-coated and after a short flash-off time without a baking step (wet-on-wet method), overcoated with clearcoat. Then the basecoat and clearcoat are baked together.
  • Base layers must be processable according to the rational "wet-on-wet" process that is common today, i.e. after a pre-drying time that is as short as possible, they must be able to be overpainted with a transparent top layer without a baking step, without showing disruptive signs of dissolving and "strike-in” phenomena.
  • a metal effect basecoat which can be processed in the "wet-on-wet" process must accordingly provide paint films in which the metal pigments are in a favorable spatial orientation after application and in which this orientation is quickly fixed in such a way that it cannot be disturbed in the course of the further painting process.
  • DE-OS-35 45 618 From DE-OS-35 45 618 a method according to the preamble of claim 1 is known. According to the process described in DE-OS-35 45 618, two-coat lacquers of the basecoat / clearcoat type, in particular two-coat metallic effect lacquers, can be obtained which have excellent properties.
  • the task underlying the present invention is to provide a new method according to the preamble of the first claim.
  • the problems of the prior art set out above are to be overcome or reduced.
  • the base coating composition contains a layered silicate in combination with xanthan as a thickener.
  • the surprising advantages achieved with the invention are essentially to be seen in the fact that the water-dilutable base coating compositions used according to the invention have improved shear or ring line stability and improved storage stability. Another important advantage is that the basecoats used in accordance with the invention have a low solids content (15 to 20 wt .-%) are known. The lower the solid, the more effective the metal effect obtained.
  • US Pat. No. 3,455,705 describes the use of layered silicate-xanthan mixtures as suspending aids in aqueous coating compositions containing silicon dioxide.
  • the coating compositions disclosed in U.S. Patent No. 3,455,705 are used for the production of very high thermal coatings (e.g. 0 for the production of coatings on surfaces which come into contact with molten metal).
  • US Pat. No. 3,455,705 contains no information on solving the problem on which the present invention is based.
  • the first step of the process according to the invention is the application of a water-dilutable base coating composition.
  • the base coating compositions used according to the invention contain water as a liquid diluent, which may also contain organic solvents. The proportion of organic solvents is kept as low as possible.
  • solvents examples include hetero-cyclic, aliphatic or aromatic hydrocarbons, mono- or polyhydric alcohols, ethers, esters, ketones and amides, such as e.g. N-methylpyrrolidone, dirnethylformamide, toluene, xylene, butanoi, ethyl
  • VasServer thinnable binder 35 and butyl glycol and their acetates, butyl diglycol, diethylene glycol dimethyl ether, cyclohexanone, methyl ethyl keto, acetone, isophorone or mixtures thereof.
  • VasServer thinnable binder 35 and butyl glycol and their acetates, butyl diglycol, diethylene glycol dimethyl ether, cyclohexanone, methyl ethyl keto, acetone, isophorone or mixtures thereof.
  • the base coating compositions used according to the invention can all be for the one in question
  • water-thinnable binders examples include water-thinnable polyacrylates, water-thinnable polyesters, water-thinnable polyethers, water-thinnable melamine and urea resins and water-thinnable polyurethane resins (cf. EP-A-158 099).
  • Base coating compositions are preferably used which contain water-dilutable polyurethane resins as binders.
  • Part of the compounds used as component (III) has at least one group capable of forming anions, an intermediate product containing terminal isocyanate groups is prepared, the free isocyanate groups of which are then reacted with a polyol containing at least three hydroxyl groups, preferably triol become.
  • the intermediate product containing terminal isocyanate groups and composed of components (I), (II) and (III) is produced and the reaction of this intermediate product with the polyol is carried out according to well-known methods of Polyurethane chemistry.
  • the implementations are preferred in
  • Solvents carried out which are inert to isocyanate groups and are miscible with water. Particularly suitable solvents are acetone and methyl ethyl ketone.
  • the groups capable of forming anions can be neutralized before, during or after the synthesis of the polyurethane resin.
  • component (I) can be all those which are customary in the production of binders based on polyurethane
  • Polyether and / or polyester polyols with a molecular weight of 400 to 3000 (number average) are used.
  • Polyether and / or polyester diols are preferably used.
  • polyether polyols are polyoxyalkylene polyols, in particular poly (oxypropylene) glycols with a
  • polyester polyols which can be used as component (I) can be prepared by generally known methods by esterifying organic dicarboxylic acids or their anhydrides with organic diols. Acid and / or hydroxyl components whose functionality is greater than 2 can also be used.
  • Polyester diols derived from lactones can also be used as component (I). These products are obtained, for example, by reacting £ -caprolactone with a diol. Such products are described in US Pat. No. 3,996,945.
  • Very particularly preferred polyurethane resin binders are obtained if, as component (I), polyester polyols are used whose acid component consists at least in part of dimeric fatty acids. Such binders are described in US Pat. No. 4,423,179. All diisocyanates suitable for the production of polyurethane binders can be used as component (II).
  • the compounds used as component (III) preferably contain hydroxyl groups as the groups reacting with isocyanate groups. Connections containing amino groups can also be used. However, such compounds can have a negative influence on the application properties of the coating compositions.
  • the type and amount of any compounds containing amino groups to be used are to be determined by the person skilled in the art by means of routine examinations which are simple to carry out.
  • Carboxyl and sulfonic acid groups are particularly suitable as groups capable of forming anions.
  • Examples of compounds which contain at least two groups which react with isocyanate groups and at least one group which is capable of forming anions are dihydroxypropionic acid, diethylolpropionic acid, dihydroxysuccinic acid or dihydroxybenzoic acid.
  • tertiary amines such as Trimethylamine, triethylamine, dimethylaniline, N-ethylmorpholine, diethylaniline, triphenylamine and the like. used.
  • reaction of the intermediate containing isocyanate groups formed from (I), (II) and (III) with a polyol containing at least three hydroxyl groups is preferably controlled so that it leads to chain extensions and possibly branching of the binder molecules also occurs. During this implementation, care must be taken to ensure that no cross-linked products are obtained.
  • Trimethylolpropane glycerol, erythritol, mesoerythritol, arabitol, adonite, etc. may be mentioned as examples of polyols containing at least three hydroxyl groups. Trimethylolpropane is preferably used.
  • the product obtained from components (I), (II), (III) and polyol can be converted into an aqueous phase after neutralization of the groups capable of forming anions.
  • the binder dispersion thus obtained can then be incorporated into the water-dilutable base coating compositions used according to the invention.
  • Very particularly preferred water-thinnable base coating compositions are obtained if the water-thinnable polyurethanes disclosed in US Pat. No. 4,423,179 are used as binders.
  • the base coating compositions containing polyurethane resins used according to the invention advantageously contain, as an additional binder component, a water-dilutable melamine resin in a proportion of 1 to 80% by weight, preferably 30 to 70% by weight, based on the proportion of the water-dilutable polyurethane resin.
  • Water-dilutable melamine resins are known per se and are used on a larger scale. These are generally etherified melamine-formaldehyde condensation products. Apart from the degree of condensation, which should be as low as possible, their water solubility depends on the etherification component, only the lowest Members of the alkanol or ethylene glycol monoether series give water-soluble condensates. Meiamine resins etherified with methanol are of greatest importance. When solubilizers are used, butano-etherified meiamin resins can also be dispersed in the aqueous phase.
  • Transetherification products of highly etherified formaldehyde condensates with oxycarboxylic acids are water-soluble via their carboxyl group after neutralization and can be contained in the base coating compositions used according to the invention.
  • the base coating composition contains a melamine resin
  • it can advantageously additionally contain a water-dilutable polyester resin and / or a water-dilutable polyacrylate resin as a further binder component, the weight ratio of melamine resin to polyester / polyacrylate resin being 2: 1 to 1: 4 and the weight ratio of melamine resin plus polyester - and / or polyacrylate resin to polyurethane resin 4: 1 to 1: 4, preferably 2: 1 to 1: 2, particularly preferably 1.3: 1 to 1: 1.3.
  • Hydroxyl group-bearing polyester resins are preferably used as water-dilutable polyester resins.
  • the polyester resins used according to the invention preferably contain carboxylate groups as solubilizing groups.
  • Polyester resins of the type described above are known per se and can be prepared by reacting polyhydric polyols with polycarboxylic acids or polycarbonate anhydrides. Polyester resins with an average functionality per molecule of 2.5 to 10 and with an average degree of condensation per molecule of 10 to 25 are preferably used. The degree of condensation indicates the sum of the monomer units in the chain of the polymer molecule.
  • the polyester resins used preferably have an acid number of at most 30 and a hydroxyl number of at most 150.
  • Acid components preferred for the synthesis of the polyester resins are aliphatic, cycloaliphatic saturated or unsaturated and / or aromatic polybasic carboxylic acids, preferably di-, tri- and tetracarboxylic acids with 2 to 14, preferably 4 to 12 C atoms per molecule or their derivatives capable of esterification (for example anhydrides or esters), for example Phthalic anhydride, isophthalic acid, terephthalic acid, tetrahydro- and hexahydrophthalic anhydride, endomethylene tetrahydrophthalic acid, succinic acid, glutaric acid, sebacic acid, azelaic acid, trimellitic acid and trimellitic acid anhydride, pyromellitic acid and malic acid fumaric acid anhydride. Phthalic anhydride is the most common acid component.
  • the polyester resins should not contain more than 20 mol%, based on the condensed-in polycarboxylic acid residues, of fuma
  • Preferred polyols for the synthesis of the polyesters are aliphatic, cycloaliphatic and / or araliphatic alcohols having 1 to 15, preferably 2 to 6 C atoms, and 1 to 6, preferably 1 to 4, OH groups bonded to non-aromatic C atoms per molecule, e.g.
  • Glycols such as ethylene glycol, 1,2-and 1,3-propanediol, 1,2-1,3 and 1,4-butanediol, 2-ethyl-1,2-propanediol, 3,2-ethyl-1,2-hexanediol, 3, neopentyl glycol, 2 , 2-trimethylpentanediol-1,3-hexanediol
  • Pentaerythritol dipentaerythritol, mannitol and sorbitol; chain-terminating monohydric alcohols with 1 to 8 carbon atoms such as propanol, butanoi, cyclohexanol and benzyl alcohol, hydroxypivalic acid.
  • the most common alcohols are glycerin, trimethylolpropane, neopentyl glycol and pentaerythritol.
  • polyester resins which can be used according to the invention can also be modified with monocarboxylic acid and monoalcohols.
  • monocarboxylic acids examples include benzoic acid, p-tert-butylbenzoic acid, hexahydrobenzoic acid and abietic acid.
  • monoalcohols examples include methanol, propanol, cyclohexanol, 2-ethylhexanol and benzyl alcohol.
  • Preferred polyacrylate resins are obtained by copolymerizing vinyl or vinylidene monomers, such as, for example, styrene, p-methylstyrene, o- or p-chlorostyrene, o-, m- or p-methylstyrene, p-tert-butylstyrene , (Meth) acrylic acid, (meth -) - acrylonitrile, acrylic and methacrylic acid alkyl esters with 1 to 8 carbon atoms in the alcohol component, for example ethyl acrylate, methyl acrylate, n- or iso-propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, isooctyl acrylate, tert-butyl acrylate, methyl methacrylate, ethyl methacrylate, n- or iso
  • Preferred monomers are styrene and (meth) acrylic acid alkyl esters with 1 to 8 carbon atoms in the alcohol component, the esterification product from fatty acid and hydroxyalkyl acrylates and mixtures thereof.
  • Linear or branched polyethers containing hydroxyl groups are preferably used as water-dilutable polyethers.
  • Examples include poly (oxypropylene) glycols with an average molecular weight of 400 to 1000, preferably 600 to 900.
  • Blocked polyisocyanates can also be used as crosslinking agents.
  • the base coating compositions used in the process according to the invention contain 5 to 30% by weight, preferably 10 to 25% by weight, of water-dilutable binder constituents.
  • the base coating compositions used in accordance with the invention can contain all pigments suitable for the base coat / clear coat process.
  • examples include titanium dioxide, graphite, carbon black, phthalocyanine blue, chromium oxide, perylene tetracarbonimide and the like. Like called.
  • the base coating compositions used according to the invention very particularly preferably contain metal platelets pigments, particularly preferably aluminum flake pigments.
  • the metal flake pigments can also be used together with color pigments. In this case, the type and amount of color pigments are chosen so that the desired metal effect is not suppressed.
  • Mica platelets e.g. mica coated with metal oxides can also be used as effect pigments instead of or in combination with aluminum platelet pigments.
  • the metal flake pigment content of the base coating compositions used according to the invention is - based on the total binder solids - up to 25% by weight, preferably 12 to 18% by weight.
  • the base coating compositions used according to the invention contain a layered silicate in combination with xanthan as thickening agent.
  • the base coating compositions used according to the invention generally contain 0.5 to 10% by weight, based on the total solids content, of thickeners (the content of thickener is calculated as the sum of the content of layered silicate and the content of xanthan). In the cases in which no metal pigments are present, 0.5 to 5% by weight, preferably 1.4 to 3% by weight, based on the total solid, thickeners are used. In coating compositions containing metal flake pigments, 2 to 10% by weight, preferably 3 to 6% by weight, based on the total solid, thickeners are used.
  • the base coating compositions used according to the invention change their application and effect properties.
  • the average person skilled in the art can use standard routine methods to do this for the respective application.
  • Layered silicate and xanthan are usually used in weight ratios of 99: 1 to 50:50 in base coating compositions containing metal flake pigments. Particularly good results are obtained at weight ratios of 95: 5 to 65:35.
  • Layered silicates which can be used as thickeners for aqueous coating compositions are well known to the person skilled in the art (cf., for example, H. Kittel, Textbook of Coatings, Vol. II, page 340, and Vol. III, page 272 to page 274; publisher WA Colomb 1974 , 1976). These are primarily aluminum-magnesium silicate compounds of the montmoriilonite type, for example attapulgite, bentonite or hectorite. Hectorite is often given the approximate formula Na. 6 "(Mg, Li) 6 Sig0 20 (0H, F) 4> where Li and F can also be missing.
  • both natural and synthetic sheet silicates can be used.
  • Synthetically produced sodium magnesium or sodium magnesium fluorine-lithium layer silicates of the montmorilionite type are preferably used.
  • Xanthan (English: xanthan gum) is a generally known thickener which is also used in aqueous coating compositions, in particular latex paints. In view of the large number of different thickeners, it was surprising and unpredictable that the problems described in the introduction can be solved with xanthan of all things.
  • Xanthan is a highly polymeric heteropolyaccharide (molecular mass about 2 million) separated from the bacterial strain Xanthomonas ca pe ⁇ tris with the following structure:
  • the base coating compositions according to the invention can also contain other customary additives, such as fillers, plasticizers, stabilizers, wetting agents, dispersing aids, leveling agents, defoamers and catalysts, individually or in a mixture in the customary amounts.
  • customary additives such as fillers, plasticizers, stabilizers, wetting agents, dispersing aids, leveling agents, defoamers and catalysts, individually or in a mixture in the customary amounts.
  • a suitable transparent top layer composition After application of the base coating compositions, after a short flash-off time without a baking step, a suitable transparent top layer composition is applied. Conventional solvent-based clearcoats, water-dilutable clearcoats or powder clearcoats can be applied.
  • the invention also relates to water-thinnable coating compositions which are suitable for producing the base layer of two-coat coatings of the basecoat / clearcoat type and which contain water, optionally organic solvents, contain a water-dilutable polyurethane resin, pigment particles and a thickener, characterized in that they contain a layered silicate in combination with xanthan as thickener.
  • the substrates to be coated are, in particular, pre-treated metal substrates; non-pretreated metals and any other substrates, such as e.g. Wood, plastics, etc., are coated with a multi-layer, protective and / or decorative coating of the basecoat / clearcoat type using the base coating compositions according to the invention.
  • 2.4 parts by weight of a purified sodium magnesium fluorine lithium layered silicate of the montmorillonite type are slowly added to 50 parts by weight of deionized water with vigorous stirring (dissolver: 3000 to 4000 revolutions per minute). Thereafter, 2.4 parts by weight of an undisplayed poly (propylene oxide) having an average molecular weight of 900 and an OH number of 125 are added with vigorous stirring, and stirring is continued for 15 minutes. Then another 44.6 parts by weight of deionized are added Water, and stirring is continued for 15 minutes.
  • Rhodopol 50 MD xanthan, commercial product from Rh ⁇ ne-Poulenc
  • 3 parts by weight of a purified sodium magnesium fluorine lithium layered silicate of the montmorillonite type are slowly added to 50 parts by weight of deionized water with vigorous stirring (dissolver: 3000 to 4000 revolutions per minute).
  • 3 parts by weight of an unbranched poly (propylene oxide) having an average molecular weight of 900 and an OH number of 125 are added with vigorous stirring, and stirring is continued for 15 minutes.
  • another 44 parts by weight of deionized water are added, and stirring is continued for a further 15 minutes.
  • the two-layer coatings are produced in accordance with the experimental information given in EP-A-89497 or US Pat. Nos. 4,489, 135 or US Pat. No. 4,558,090.
  • Beasis coating compositions prepared in this way are applied by spray application to separate steel sheets and, after an intermediate flash-off time of 15 minutes at room temperature (about 20 ° C.), are coated with a clear lacquer and as described in EP-A-89497 and US Pat. Nos. 4,489,135 and 4,558,090 branded.

Abstract

Selon un procédé de production sur la surface d'un substrat d'un revêtement protecteur et/ou décoratif à couches multiples, 1) on applique une composition de base de revêtement délayable dans l'eau, ladite composition contenant de l'eau ou éventuellement des solvants organiques, un liant délayable dans l'eau, des particules de colorant et un épaississant, 2) on forme sur la surface un film polymère avec la composition appliquée pendant l'étape (1), 3) on applique sur la couche de base ainsi obtenue une composition transparente appropriée de revêtement et finalement 4) on cuit la couche de base avec la couche de revêtement. Le procédé se caractérise par le fait que la composition de base de revêtement comprend en tant qu'épaississant du silicate stratifié associé avec du xanthane.
EP88905800A 1987-08-01 1988-07-04 Procede de production d'un revetement protecteur et/ou decoratif a couches multiples et compositions de revetement delayables dans l'eau Pending EP0370038A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3725600A DE3725600A1 (de) 1987-08-01 1987-08-01 Verfahren zur herstellung eines mehrschichtigen schuetzenden und/oder dekorativen ueberzugs und wasserverduennbare beschichtungszusammensetzungen
DE3725600 1987-08-01

Publications (1)

Publication Number Publication Date
EP0370038A1 true EP0370038A1 (fr) 1990-05-30

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Application Number Title Priority Date Filing Date
EP88905800A Pending EP0370038A1 (fr) 1987-08-01 1988-07-04 Procede de production d'un revetement protecteur et/ou decoratif a couches multiples et compositions de revetement delayables dans l'eau
EP19880110650 Expired - Lifetime EP0302240B1 (fr) 1987-08-01 1988-07-04 Procédé de préparation d'un revêtement multicouche protecteur et/ou décoratif et compositions de revêtement diluables à l'eau

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19880110650 Expired - Lifetime EP0302240B1 (fr) 1987-08-01 1988-07-04 Procédé de préparation d'un revêtement multicouche protecteur et/ou décoratif et compositions de revêtement diluables à l'eau

Country Status (5)

Country Link
EP (2) EP0370038A1 (fr)
AT (1) ATE71127T1 (fr)
DE (2) DE3725600A1 (fr)
ES (1) ES2039271T3 (fr)
WO (1) WO1989001018A1 (fr)

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US5366768A (en) * 1991-05-09 1994-11-22 Kansai Paint Company, Limited Method of forming coating films
US5330796A (en) * 1991-05-15 1994-07-19 Kansai Paint Company, Ltd. Method of forming coating films
DE19945574A1 (de) 1999-09-23 2001-04-05 Basf Coatings Ag Verwendung assoziativer Verdickungsmittel auf Polyurethanbasis und/oder von Dipropylenglykolmonoalkylethern zur Unterdrückung optischer Fehlstellen in farb- und/oder effektgebenden Mehrschichtlackierungen oder deren Reparaturlackierungen
US7629399B2 (en) 2004-02-27 2009-12-08 Archer-Daniels-Midland Company Thickening systems and aqueous-coating compositions, and methods of making and using the same
DE202019101134U1 (de) * 2019-02-27 2020-05-28 Schwan-Stabilo Cosmetics Gmbh & Co. Kg Wässrige pigmentierte Tinte
DE102019105037A1 (de) * 2019-02-27 2020-08-27 Schwan-Stabilo Cosmetics Gmbh & Co. Kg Wässrige pigmentierte Tinte

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Also Published As

Publication number Publication date
ES2039271T3 (es) 1993-09-16
EP0302240B1 (fr) 1992-01-02
WO1989001018A1 (fr) 1989-02-09
DE3725600A1 (de) 1989-02-09
ATE71127T1 (de) 1992-01-15
EP0302240A1 (fr) 1989-02-08
DE3867366D1 (de) 1992-02-13

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