EP3810708A1 - Pâte pigmentaire exempte de conservateurs - Google Patents

Pâte pigmentaire exempte de conservateurs

Info

Publication number
EP3810708A1
EP3810708A1 EP19733703.3A EP19733703A EP3810708A1 EP 3810708 A1 EP3810708 A1 EP 3810708A1 EP 19733703 A EP19733703 A EP 19733703A EP 3810708 A1 EP3810708 A1 EP 3810708A1
Authority
EP
European Patent Office
Prior art keywords
pigment paste
weight
pigment
alkanolamine
paste according
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
EP19733703.3A
Other languages
German (de)
English (en)
Inventor
Ingo Hörsting
Patrick HERTEL
Dietmar Erber
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.)
Brillux GmbH and Co KG
Original Assignee
Brillux GmbH and Co KG
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 Brillux GmbH and Co KG filed Critical Brillux GmbH and Co KG
Publication of EP3810708A1 publication Critical patent/EP3810708A1/fr
Pending 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
    • C09D17/00—Pigment pastes, e.g. for mixing in paints
    • C09D17/001—Pigment pastes, e.g. for mixing in paints in aqueous medium
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds

Definitions

  • the invention relates to a pigment paste for tinting a coating agent, a process for producing the pigment paste and a coating agent containing coating agents and pigment paste.
  • the invention further relates to a method for producing a coating agent using the pigment paste and the use of alkanolamine for stabilizing and / or increasing the
  • Pigment pastes for tinting coating agents such as paints and lacquers
  • Pigment pastes are generally known. Pigment pastes are usually produced by dispersing pigments and, if appropriate, fillers and other suitable materials and using them with the tinting agent before use
  • Coating agent mixed Color mixing systems of this type are superior to conventional coating materials, particularly with regard to storage and logistics. Tinted coating compositions containing at least one
  • Coating agent and at least one pigment paste are tinted
  • Coating agents are also referred to as coating agents.
  • pigment pastes Compared to adding powdered pigments to a coating agent, pigment pastes have the advantage that they can be distributed easily and homogeneously and are easy to dose. It is also advantageous that they do not contain paint dust, since this easily contaminates the environment when mixed. Finally, pigment pastes can be adjusted to the desired color strength and can therefore be easily converted into a coating agent such as one by volume
  • Plastic dispersion paint can be metered in and stirred in.
  • pigment pastes can be used to tint very different coating agents.
  • An important area here is that Tinting plastic emulsion paint, also known as emulsion paint.
  • Dispersion paints usually contain relatively large amounts of organic chemical constituents, in particular synthetic resin polymers, in particular in the form of synthetic resin dispersions.
  • emulsion paints and / or pigment pastes usually require preservatives, in particular biocides, such as isothiazolinones.
  • preservatives in particular biocides, such as isothiazolinones.
  • these can cause irritation and skin irritation, especially in allergy sufferers.
  • Dispersion paints which do without preservatives have been developed in the past few years in the publications EP 1 297 079 B1,
  • DE 1 031 910, DE 10 2014 013 455 Al and DE 10 2016 002 221 Al each describe dispersion paints that do not require preservatives.
  • EP 1 297 079 B1 describes a dispersion paint containing polymer dispersion, pigment and / or filler, water glass and water. This emulsion paint is characterized by the fact that it does not require any preservatives.
  • DE 1 031 910 describes an alkyd resin emulsion paint containing titanium dioxide, fillers, an alkyd resin and water. This color is immediately in front of the
  • N-alkylalkanolamines and / or N, N-dialkylalkanolamines as a synergist in combination with a biocide
  • EP 1 362 897 A2 does not describe latex compositions which
  • Preservatives especially biocides such as isothiazoline, are dispensed with.
  • Preservative-containing pigment paste is introduced into the emulsion paint when tinting and the tinted emulsion paint is then no longer suitable for use by allergy sufferers.
  • pigment pastes vary significantly more in their compositions and concentrations than emulsion paints.
  • the amount of pigment and water can vary in larger ranges than for
  • Dispersion paints are common and consequently pigment pastes can also be a larger one Show variance in their viscosity.
  • Another particular challenge with pigment pastes compared to emulsion paints is the high flexibility that pigment pastes have to provide.
  • the pigment pastes should be able to be mixed flexibly with very different colors, varnishes or plasters. For this, the pigment paste must have good miscibility and compatibility with
  • the coating compositions sometimes have significant differences in their composition and pH. Such a degree of miscibility and compatibility of the pigment pastes is therefore difficult to achieve.
  • pigment pastes are significantly higher than the storage requirements for emulsion paints.
  • Pigment pastes usually have to be stored for significantly longer periods, since they are often used irregularly to tint colors and are not used up relatively quickly like finished colors. There they are exposed to pests from the air in combination with the high humidity in the mixing container.
  • Pot preservatives also contain fungicides to prevent infestation in the mixing container.
  • Concentrated paste that can be used over long periods of time poses the risk that the pigment paste will not be permanently stable in the form and will be continuously compatible in all required qualities.
  • the present invention is therefore an object
  • Preservative-free pigment paste is available, which can be used over a period of at least six months without any loss of quality or pests to tint a coating agent, especially in automatic paint mixers.
  • the present invention also has the task of a
  • Preservative-free pigment paste available, which can be used flexibly to tint different coating agents.
  • the object of the invention is to provide a preservative-free pigment paste which is used in mixing containers of automatic mixers
  • the pigment paste according to the invention contains, based in each case on the total weight of the pigment paste,
  • the pH value of the pigment paste is from 10 to 14.
  • the pigment paste is characterized by a high storage stability. Even without a preservative, the pigment paste according to the invention shows no changes after a storage period of several weeks. In addition, the pigment paste according to the invention has a long open time.
  • the pigment paste according to the invention can also be combined with very different coating agents and simply mixed, and the pigment paste is also suitable
  • preservative-free emulsion paints and other coating agents can consequently be tinted without preservative.
  • the interaction of the wetting agent with the alkanolamine in the pigment paste seems to adequately protect the paste from attack by pests, without thereby causing long-term damage to the pigments or other constituents of the paste and still resulting in a paste that have broad concentration ranges of the other
  • Coating agent is compatible. Without the contents according to the invention
  • wetting agents and alkanolamine either have pigment preservatives that do not have a sufficiently long-lasting preservative effect, or they are not broad
  • alkanolamine as an organic component also appears to improve the compatibility with the polymer dispersion, which is often present in coating compositions, at the pH value of the pigment paste according to the invention.
  • the alkanolamine also appears to act as a pH buffer in the pigment paste of the invention. As a result, the alkanolamine appears to improve the storage stability of the pigment paste. In view of the use of alkanolamines as a synergist for biocides, as described in EP 1 362 897 A2, this effect was not predictable.
  • the alkanolamine is contained in the pigment paste according to the invention in an amount of 0.01 to 10% by weight, based on the total weight of the pigment paste.
  • the pigment paste according to the invention preferably contains 0.05 to 7% by weight, preferably 0.05 to 5% by weight, further preferably 0.1 to 3% by weight, particularly preferably 0.1 to 1.5% by weight, alkanolamine, each based on the total weight of the
  • Pigment paste Pigment pastes with these contents show good processability and good storage stability.
  • Alkanolamines according to the invention are in particular compounds with the formula R 4 R 2 N (CH 2 ) i (CR 3 R 4 ) m (CH 2 ) n OH, where
  • R 1 and R 2 independently of one another are H, a hydrocarbon radical having 1 to 10
  • R 3 and R 4 independently of one another denote H, OH or Ci-Cs-alkyl
  • n 1 to 5
  • n is an integer from 1 to 5.
  • R 1 is preferably R 2 N (CH 2 ) i (CR 3 R 4 ) m (CH 2 ) n OH
  • R 3 and R 4 independently of one another are H, OH or methyl
  • n 1 to 5
  • n 1.
  • R 1 is R 2 N (CH 2 ) i (CR 3 R 4 ) m (CH 2 ) n OH
  • R 3 and R 4 independently of one another are H, OH or methyl
  • n 1 to 5
  • n 1.
  • the acanolamine may contain or consist of one or more alkanolamines.
  • the alkanolamine may be a single compound that falls under the above formula for the alkanolamine, or a mixture of two or more compounds that fall under the above formula for the alkanolamine. contain or consist of.
  • the alkanolamine consists of a single compound which falls under the above-mentioned formula for the alkanolamine. According to a further embodiment of the invention, the alkanolamine consists of a mixture of two or more compounds which come under the above-mentioned formula for the alkanolamine.
  • the alkanolamine is preferably selected from the group consisting of 2- (n-butylaminojethanol, 2-dimethylamino-2-methylpropanol, 2-aminoethanol, 2-amino-2-methylpropanol, N, N-dimethylglucamine and mixtures thereof. More preferably, this contains Alkanolamine 2- (n-butylamino) ethanol, 2-dimethylamino-2-methylpropanol, N, N-dimethylglucamine or mixtures thereof.
  • the alkanolamine is 2- (n-butylaminojethanol.
  • 2- (n-butylamino) ethanol is in a pigment paste in an amount of less than 1% by weight, in particular in an amount of 0.5 to 0 , 99% by weight, based on the total weight of the pigment paste It has been found that very good storage stability can be achieved with 2- (n-butylamino) ethanol.
  • the alkanolamine is a mixture of N, N-dimethylglucamine and 2- (n-butylamino) ethanol.
  • 2- (n-butylamino) ethanol is preferably in an amount of less than 1% by weight, in particular in an amount of 0.1 to 0.99% by weight, and N, N-dimethylglucamine in an amount of Contain up to 4% by weight in the pigment paste, based in each case on the total weight of the pigment paste.
  • the alkanolamine is a mixture of N, N-dimethylglucamine and 2-aminoethanol.
  • 2-aminoethanol in an amount of less than 1% by weight, in particular in an amount of 0.1 to 0.99% by weight, and N, N-dimethylglucamine in an amount of up to 4% by weight in the Contain pigment paste, each based on the total weight of the pigment paste.
  • the alkanolamine is a mixture of N, N-dimethylglucamine and 2-amino-2-methylpropanol.
  • 2-amino-2-methylpropanol is preferably in an amount of less than 1% by weight, in particular in an amount of 0.1 to 0.99% by weight, and N, N-dimethylglucamine in an amount of to 4% by weight in the pigment paste, based in each case on the total weight of the pigment paste.
  • the alkanolamine of the pigment paste is only a single compound, the alkanolamine is preferably free from 2-aminoethanol, diethanolamine, triethanolamine, 2-amino-l-propanol, 2-amino-2-methylpropanol or N, N-dimethylethanolamine, in particular from 2 -Amino-2-methylpropanol, 2-aminoethanol, diethanolamine and triethanolamine.
  • Pigment pastes with good storage stability can be obtained with the abovementioned alkanolamines, in particular with 2- (n-butylaminojethanol or mixtures of N, N-dimethylglucamine with 2- (n-butylaminojethanol, 2-aminoethanol or 2-amino-2-methylpropanol) ,
  • the alkanolamine preferably contains one nitrogen atom, in particular exactly one nitrogen atom.
  • the alkanolamine more preferably contains an amino group, in particular exactly one amino group.
  • the pigment paste according to the invention is free from alkoxylated tetraalkylalkylenediamine and / or alkoxylated (N, N ') - tetraalkylalkylenediamine. According to one embodiment of the invention, the pigment paste according to the invention is free from water glass.
  • the pigment paste according to the invention is free of wax.
  • the pigment paste contains 1 to 75% by weight of pigment.
  • Various substances can be used as pigment.
  • the pigment is preferably selected from the group consisting of titanium dioxide, iron oxide yellow, arylide (monoazo),
  • the proportion of pigment in the paste varies widely. This is due on the one hand to the desired color of the paste, and on the other hand to the color strength of the pigment.
  • Preferred quantitative ranges of pigment in the paste are 5 to 70% by weight, preferably 10 to 65% by weight, more preferably 20 to 55% by weight and particularly preferably 30 to 50% by weight of pigment.
  • Inorganic pigments are usually used in larger quantities than organic pigments. According to a preferred embodiment, the
  • Pigment paste from 20 to 75% by weight of an inorganic pigment, preferably from 40 to 70% by weight of an inorganic pigment. According to a further preferred embodiment, the pigment paste contains from 1 to 50% by weight, preferably from 1 to 20% by weight, of an organic pigment. According to another preferred
  • the pigment paste contains from 20 to 75% by weight, preferably from 40 to 70% by weight of an inorganic pigment and from 1 to 20% by weight, preferably from 1 to 10% by weight of an organic pigment.
  • inorganic pigments are preferably used.
  • examples of inorganic pigments are oxides such as titanium dioxide, iron oxides, e.g. P.Y.
  • Ultramarine blue P.B. 29 and carbon e.g. Carbon black P.Bk. 7th
  • organic pigments are preferably used.
  • organic pigments are azo pigments, e.g. Arylid Yellow (Monoazo) P.Y. 74, polycyclic pigments, e.g. Chinacridone P.R. 122, Perinone P.O.
  • the names of the inorganic and organic pigments used for the examples correspond to the generic names of the color index of the British Society of Dyers and Colorists.
  • mixtures of inorganic and organic pigments are used.
  • colored pigment pastes can be produced that cover essentially the entire color spectrum.
  • the pigment paste filler contains.
  • the pigment paste can in particular contain 0.01 to 60% by weight or 0.01 to 50% by weight or 0.01 to 40% by weight or 0.01 to 30% by weight, each based on the total weight of the pigment paste, filler contain.
  • the filler can be selected from the group consisting of carbonates, sulfates, oxides and mixtures thereof.
  • the filler can be selected from the group consisting of dolomite, barium sulfate, feldspar, quartz, calcium carbonate, mica, kaolin, calcined kaolin, talc, diatomaceous earth and mixtures thereof be selected.
  • the filler is a mixture of at least calcium carbonate and calcined kaolin. According to another
  • the embodiment is calcium carbonate filler. Such fillers result in pigment pastes with good processability.
  • Calcium carbonate can be used in various forms, for example in the form of chalk or calcite.
  • the pigment paste contains at least one filler. According to another preferred embodiment, the pigment paste contains no filler.
  • the use of fillers in the paste depends on the overall composition of the paste. In principle, the price of the paste can be reduced by using fillers. However, the use of filler can also lead to difficulties in the compatibility of the components in the paste, in particular the filler can settle in the automatic mixer. Additional spores can also be added to the system via fillers. In addition, fillers also have negative effects on glossy systems and generally reduce weather stability.
  • Coating agents can be mixed if the filler particles are small.
  • the filler particles of the pigment paste according to the invention advantageously have a size of less than 100 gm, in particular less than 80 gm, preferably from 0.1 to 50 gm, more preferably from 1 to 30 gm.
  • Methods for determining the particle size are known to the person skilled in the art. For example, the particle size can be determined using a grindometer according to D1N EN 1SO 1524, in particular according to D1N EN 1SO
  • the particle size of the fillers relates especially the maximum agglomerate size in the pigment paste. Furthermore, the particle size, in particular the particle size distribution, can also be by means of
  • the particle size is preferably determined using a grindometer in accordance with D1N EN 1SO 1524: 2013-06.
  • the pigment paste also contains at least one wetting agent.
  • the wetting agent serves as an anti-flocculant, which prevents the suspended particles from flocculating out of the paste.
  • the distribution of the pigment paste in the coating agent is improved by the wetting agent.
  • pigment pastes with the levels of wetting agent and alkanolamine according to the invention have a good compatibility of the components of the
  • the proportion of the wetting agent in the pigment paste can vary within a wide range and depends in principle on the desired viscosity of the pigment paste.
  • the appropriate amount of wetting agent depends on the type of wetting agent used, on the amount and type of pigment used and on any other constituents of the pigment paste that may be present.
  • a wetting agent content of from 0.5 to 30% by weight, preferably from 0.5 to 25% by weight, preferably from 1 to 20% by weight, more preferably from 1 to 15% by weight, more preferably from 2 up to 12% by weight, particularly preferably from 4 to 10% by weight, in each case based on the total weight of the pigment paste,
  • a higher proportion of wetting agent in the pigment paste than 30% by weight can lead to an undesirable glossy surface of the coating agent tinted with pigment paste. If you do not use or use too little wetting agent, it can happen that not all Pigment is incorporated into the paste, which then does not or only partially contributes to the opacity.
  • wetting agents are diethyl maleate, tall oil, polyethylene polyamine,
  • Polyether phosphate polyethylene glycol monomethyl ether, ortho-cresyl glycidyl ether, 2-ethylhexyl glycidyl ether, block copolymers, ammonium salts of
  • Acrylate copolymers polyether polysiloxane, polyoxyethylene (2) stearyl alcohol, polyesters, fatty acid-modified polyesters and mixtures thereof.
  • the pH of the pigment paste is from 10 to 14, preferably from 10 to 12, more preferably from 10.4 to 11.6.
  • the pH value of the pigment paste is particularly preferably more than 10.4 and less than 11.5. It has been found that pigment pastes with the stated pH values show no or only slight changes even when stored over several months, even if they are essentially free of preservatives “essentially free of
  • Preservatives means that the pigment paste contains preservatives at most in traces, in particular in an amount of less than 2 ppm. With the pH value described above, the optimum balance is struck between the prevention of pest infestation and the stability of the pigment paste.
  • Pigment pastes according to the invention with such pH values have the additional advantage that they can also be used without special precautions with regard to occupational safety.
  • the pH value can be adjusted more precisely, for example, by adding alkaline substances, also known as alkaline adjusters.
  • alkaline substances are alkali metal hydroxides such as lithium, sodium and / or potassium hydroxide, alkaline earth metal hydroxides such as magnesium, calcium and / or barium hydroxide, ammonium hydroxide, xonotlite (6CaO 6Si0 2 H 2 0) and / or ettringite
  • the alkali plate is preferably a
  • the xonotlite preferably has a monoclinic crystal system (xonotlite monoclin). It has been shown that xonotlite and / or ettringite can be used in a particularly advantageous manner in combination with the alkanolamine contained in the pigment paste according to the invention
  • Pigment pastes which contain xonotlite and / or ettringite as alkali adjuster in addition to alkanolamine, have an increased pH stability.
  • the invention contains
  • pigment paste contains at least one alkali plate in an amount of 0.005 to 3% by weight, in particular 0.01 to 1% by weight, based on the
  • Pigment paste according to the invention 0.005 to 3 wt.%, in particular from 0.01 to 1 wt.%, potassium hydroxide, xonotlite and / or ettringite, based on the
  • the pH remains the same
  • Pigment paste according to the invention in a closed container at 22 ° C. over a period of at least 4 weeks, preferably at least 8 weeks, more preferably at least 12 weeks, even more preferably at least 16 weeks, even more preferably at least 20 weeks, essentially constant “lm
  • the pigment paste according to the invention is further characterized in that it has a viscosity of 0.1 to 12 Pas, preferably 0.5 to 8 Pas, particularly preferably 0.8 to 5 Pas, measured at 23 ° C. and at a shear rate of 3 s _1 im
  • the pigment paste preferably has a viscosity at a shear rate of 50 s -1 and a temperature of 23 ° C. in a rotary viscometer with a cylindrical measuring geometry from 0.1 to 5 Pas, preferably from 0.2 to 3 Pas, particularly preferably from 0.35 to 1.5 Pas.
  • a viscosity of 0.1 to 8 Pas at 3 s 1 is for the processability of
  • the pigment paste according to the invention can, for example, be metered without problems in commercially available automatic mixers.
  • the viscosity of the pigment paste according to the invention is in particular high enough to prevent the solids contained therein, such as pigments and / or fillers, from settling on the bottom of the storage container in the automatic mixer. At the same time, the viscosity is low enough that the pigment paste can be dosed into a coating agent with sufficient accuracy and reproducibility.
  • the pigment paste according to the invention can also contain, as additives, dispersants, rheology additives, defoamers and / or water repellents.
  • rheological additives examples include methylhydroxyethyl cellulose, layered silicate such as smectite and hectorite, xanthan gum, silicon dioxide, polyurethane resin, octan-l-ol (ethoxylated, 4-EO), alcohol alkoxylates, ethylene oxide-propylene oxide copolymers, maleic anhydride-diisobutylene copolymers, polyacrylic acid and polyacrylic acid and polyacrylic acid and polyacrylic acid their salts, methyl celluloses, carboxymethyl celluloses,
  • Hydroxymethyl celluloses polyurethanes, alkali metal phosphates, acrylates and salts of modified phosphoric acids, and mixtures thereof.
  • defoamers are polyurethane resins, polyglycols, triglycerides,
  • the pigment paste according to the invention is essentially free of preservatives “essentially free of
  • Preservatives means that the pigment paste contains preservatives at most in traces, in particular in an amount of less than 2 ppm.
  • the pigment paste according to the invention is preferably free from biocides, in particular from isothiazolines. Examples of isothiazolines are methylisothiazolinone,
  • the invention further provides a method for producing the pigment paste according to the invention, comprising the steps
  • the method preferably comprises as a further step c. adjusting the pH to a value from 10 to 14.
  • the pigment paste according to the invention is outstandingly suitable for tinting coating agents. It is particularly advantageous here that the pigment paste has an extremely low influence on the gloss of the color mixing system.
  • Coating agent tinted This gives a tinted coating agent.
  • Tinted coating agents are also referred to as coating agents.
  • Coating agents contain at least one pigment paste according to the invention and one or more coating agents.
  • the invention thus furthermore relates to a process for producing a coating composition in which at least one pigment paste according to the invention is mixed with one or more coating compositions. Mixing is preferably carried out by automatic mixers.
  • a maximum of 15% by volume of pigment paste is preferably mixed into the coating composition to produce the coating composition.
  • a readily spreadable and durable coating agent is obtained which is long-lasting even when the coating agent is free of preservatives.
  • Very different coating agents are suitable as coating agents that are or are mixed with the at least one pigment paste according to the invention.
  • Particularly suitable coating agents are silicate paints, dispersion silicate paints, lacquers, plasters and plastic dispersions, preferably plastic dispersions.
  • the pigment paste according to the invention is particularly suitable for tinting plastic emulsion paints. Since the
  • the coating agent is preferably
  • the invention also relates to a coating composition
  • a coating composition comprising at least one pigment paste according to the invention and at least one
  • the coating agent is preferably essentially free of preservatives.
  • alkanolamine preferably 2- (n-butylamino) ethanol or of mixtures of N, N-dimethylglucamine with 2- (n-butylaminojethanol, 2-aminoethanol or 2-amino-2-methylpropanol, for
  • a pigment paste with the following formulation shown in Table 1 was prepared by mixing the constituents listed in Table 1, metered amounts in each case in% by weight.
  • Formulation A showed good storage stability of more than 6 months without discoloration and was easy to process.
  • the formulation showed good miscibility with coating agents, especially with

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

L'invention concerne une pâte pigmentaire contenant, rapporté au poids total de ladite pâte pigmentaire, 1 à 75 % en poids de pigment, 0,01 à 10 % en poids d'alcanolamine, 0,5 à 30 % en poids d'agent mouillant et 15 à 75 % en poids d'eau, le pH de cette pâte pigmentaire étant compris entre 10 et 14. L'invention concerne en outre un procédé de fabrication d'une telle pâte pigmentaire, un agent de recouvrement contenant au moins un agent de revêtement et au moins une telle pâte pigmentaire, un procédé de fabrication d'un agent de recouvrement et une utilisation d'alcanolamine pour stabiliser et/ou accroître la stabilité au stockage d'une pâte pigmentaire.
EP19733703.3A 2018-06-22 2019-06-19 Pâte pigmentaire exempte de conservateurs Pending EP3810708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018004945.1A DE102018004945A1 (de) 2018-06-22 2018-06-22 Konservierungsmittelfreie Pigmentpaste
PCT/EP2019/066164 WO2019243408A1 (fr) 2018-06-22 2019-06-19 Pâte pigmentaire exempte de conservateurs

Publications (1)

Publication Number Publication Date
EP3810708A1 true EP3810708A1 (fr) 2021-04-28

Family

ID=67070812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19733703.3A Pending EP3810708A1 (fr) 2018-06-22 2019-06-19 Pâte pigmentaire exempte de conservateurs

Country Status (3)

Country Link
EP (1) EP3810708A1 (fr)
DE (1) DE102018004945A1 (fr)
WO (1) WO2019243408A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031910B (de) 1952-05-27 1958-06-12 Gen Electric Waessrige Anstrichfarbe, insbesondere Kasein-, Kautschuklatex- oder oelmodifizierte Alkydharzfarbe
DE19811791A1 (de) * 1998-03-18 1999-09-23 Borchers Gmbh Wäßrige Dispersionen mit einer speziellen Dispergiermittelkombination
DE10030447C2 (de) 2000-06-21 2002-11-28 Murjahn Amphibolin Werke Konservierungsmittelfreie Dispersionsfarbe
US20030209165A1 (en) 2002-05-08 2003-11-13 Gernon Michael D. Compositions providing physical biocide synergist activity in paints, coatings, sealants and adhesives during storage
US7008545B2 (en) * 2002-08-22 2006-03-07 Hercules Incorporated Synergistic biocidal mixtures
CN101139502A (zh) * 2006-09-07 2008-03-12 北京翰高兄弟科技发展有限公司 硅丙树脂疏水涂料
ES2538097T3 (es) * 2011-03-16 2015-06-17 Clariant Finance (Bvi) Limited Poli(alquilenglicol)-éteres ramificados como agentes humectantes y dispersivos desaireadores para pinturas en dispersión acuosa
DE102014013455A1 (de) 2014-09-17 2016-03-31 Diessner GmbH & Co KG Lack- und Farbenfabrik Topf-Konservierungsmittelfreie Dispersionsfarbe auf Siliconatbasis
DE102016002221A1 (de) 2016-02-26 2017-08-31 Brillux Gmbh & Co. Kg Dispersionsfarbe
DK3385339T3 (da) * 2017-04-06 2020-08-10 Daw Se Vandige overtræksstoffer

Also Published As

Publication number Publication date
DE102018004945A1 (de) 2019-12-24
WO2019243408A1 (fr) 2019-12-26

Similar Documents

Publication Publication Date Title
EP3420038B1 (fr) Peinture dispersion
DE69829951T2 (de) Verfahren zur verhinderung der entfärbung von pyrithion enthaltenden beschichtungszusammensetzungen
EP2906644B1 (fr) Agents dispersants tirés de matières premières renouvelables pour des préparations pigmentaires exemptes de liant
DE102012013046A1 (de) Fettsäurekondensationsprodukte als Dispergiermittel in Pigmentpräparationen
WO2017060051A1 (fr) Dispersions pigmentaires universelles à base de n-alkylglucamines
EP2898021B1 (fr) Dérivés de l'acide sulfosuccinique servant d'agent de dispersion dans des préparations de pigments exemptes de liants
EP3810700B1 (fr) Peinture dispersion
DE102013016889B4 (de) Wässrige, bindemittelfreie Pigmentpräparationen und deren Verwendungen
EP3810709A1 (fr) Pâte pigmentaire exempte de conservateurs
WO2020245309A1 (fr) Pâte pigmentaire exempte de conservateurs
WO2019243408A1 (fr) Pâte pigmentaire exempte de conservateurs
DE102012019788A1 (de) Phosphorsäureester enthaltende, bindemittelfreie Pigmentpräparationen
EP0839877A1 (fr) Nouvelles compositions d'un liant à base de polyuréthane et leurs utilisations
EP4048741A1 (fr) Peinture de dispersion exempte de conservateur
DE102013009706A1 (de) Mischungen anionischer und nichtionischer Tenside als Dispergiermittel für Pigmentpräparationen
EP3744799A1 (fr) Composition de revêtement contenant un solvant pour revêtements de peinture lasure et de vernis
EP3744800A1 (fr) Composition de revêtement en résine d'alkyde émulsifié contenant un solvant pour revêtements de peinture lasure et de vernis
DE10149379A1 (de) Dispergator-Zusammensetzungen
DE102013009704A1 (de) Ethersulfate enthaltende, bindemittelfreie Pigmentpräparationen
DE1794245B (de) Wässrige Pigmentsuspensionen für Dispersionsanstrichmittel

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

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

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201217

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)