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WO2006084523A1 - Compositions aqueuses - Google Patents

Compositions aqueuses Download PDF

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Publication number
WO2006084523A1
WO2006084523A1 PCT/EP2005/056981 EP2005056981W WO2006084523A1 WO 2006084523 A1 WO2006084523 A1 WO 2006084523A1 EP 2005056981 W EP2005056981 W EP 2005056981W WO 2006084523 A1 WO2006084523 A1 WO 2006084523A1
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WO
WIPO (PCT)
Prior art keywords
compositions according
aqueous compositions
preparation
component
aqueous
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
PCT/EP2005/056981
Other languages
German (de)
English (en)
Inventor
Patrick GLÖCKNER
Lutz Mindach
Rüdiger MERTSCH
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.)
Evonik Operations GmbH
Original Assignee
Degussa 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 Degussa GmbH filed Critical Degussa GmbH
Publication of WO2006084523A1 publication Critical patent/WO2006084523A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C08G18/548—Polycondensates of aldehydes with ketones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • C08G18/0823—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups containing carboxylate salt groups or groups forming them
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
    • C08G18/705—Dispersions of isocyanates or isothiocyanates in a liquid medium
    • C08G18/706—Dispersions of isocyanates or isothiocyanates in a liquid medium the liquid medium being water
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
    • 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
    • C09D11/00—Inks
    • C09D11/16—Writing inks
    • C09D11/18—Writing inks specially adapted for ball-point writing instruments
    • 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
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/32—Inkjet printing inks characterised by colouring agents
    • C09D11/322—Pigment inks
    • 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

Definitions

  • the present invention relates to aqueous compositions of A) colorants and / or fillers, B) functionalized aqueous ketone, ketone / aldehyde or urea / aldehyde resin dispersions and C) optionally further binders and / or D) auxiliaries and additives.
  • water-soluble condensation products are listed, which are also obtained by joint reaction of ketones, aldehydes and acid groups introducing compounds. Examples of the latter are sulfites, amidosulfonic acid, aminoacetic acid and phosphorous acid salts.
  • EP 0 617 103 A1 describes the reaction of polyisocyanates (a) and dihydroxy compounds (b) having a molecular weight of 500 to 5000, none of which is in ionic
  • Group convertible groups eg, carboxylic acid groups
  • Polyurethane is still with a compound (c) which contains not only NCO-reactive groups nor a group convertible into an ionic group, and optionally with diols or polyols (d) having a molecular weight of 60 to 500, which are no further functional
  • DE-OS 24 08 865 describes melamine-formaldehyde-polyurethane resins which are water-dilutable or water-dispersible.
  • the base of the polyurethane resin is based on alkyd resin based polycondensation products (see page 2, first paragraph).
  • Alkyd resins are made from carboxylic acids, unsaturated fatty acids, diols and polyols.
  • DE-OS 34 06 473 and DE-OS 34 06 474 and EP-AO 154 835 describe processes for the preparation of stable aqueous dispersions of urea / aldehyde resins or ketone / (aldehyde) resins, after which the resin melt or their highly concentrated solution in the presence of organic protective colloids optionally dispersed in water with the addition of emulsifiers.
  • a disadvantage of these processes is the fact that the organic protective colloids and emulsifiers interfere with the application of the aqueous ketone / (aldehyde) or urea / aldehyde resins in the coating sector.
  • the hydrophilic protective colloids and possibly emulsifiers remain in the coating, making them permanently sensitive to moisture. The coating swells when exposed to moisture, loses its hardness and loses its anti-corrosion effect.
  • At least one modified isocyanate and / or polyisocyanate having at least one free NCO group obtainable by reacting at least one isocyanate and / or
  • the object of the invention was to develop aqueous compositions such as pigment pastes, coating materials and printing inks based on functionalized ketone, ketone / aldehyde or urea / aldehyde resin dispersions as film-forming pigment paste resins, which are distinguished by a brilliant hue and a high color depth.
  • the compositions should have the lowest possible proportion of low molecular weight dispersing aids and be sufficiently stable on storage.
  • the aqueous compositions according to the invention have a small proportion of low molecular weight dispersants and wetting agents whose proportion should be kept as low as possible, in particular for cost reasons.
  • they unlike such auxiliaries, they have very good film-forming properties.
  • the compositions are largely free of formaldehyde.
  • compositions according to the invention can be used, in particular for aqueous coating materials, such as putties, fillers, basecoat and / or topcoats and also
  • Substrates such as e.g. Metals, plastics, paper, cardboard, textiles, leather or wood.
  • compositions can be used for all conceivable applications in both indoor and outdoor applications
  • the present invention relates to aqueous compositions containing substantially A) 1 to 70 wt .-% of at least one colorant and / or filler and
  • the invention essential component A) is used in amounts of 1 to 70 wt .-%, preferably from 10 to 40 wt .-%.
  • all colorants and / or fillers which are used in the paint, inks and printing inks industry are suitable. They are selected according to coloristic aspects and requirements such as e.g. Hue, brightness, saturation, transparency, hiding power, light fastness, bleed fastness, etc.
  • inorganic pigments and fillers such as Milori blue, titanium dioxide, iron oxides, metal pigments, carbon blacks and carbonates such as chalk, limestone, calcite, dolomite, barium carbonate, sulfates such as baryte, blanc fixe, calcium sulfates, silicates such as talc, pyrophyllite , Chlorite, mica, kaolin, slate meal, field column, precipitated Ca, Al, Ca / Al, Na / Al silicates, silicas, such as quartz, fused silica, cristobalite, diatomaceous earth, precipitated and / or fumed silica, glass powder and Oxides such as magnesium and aluminum oxides and hydroxides and organic pigments such as isoindoline, azo, phthalocyanine pigments used.
  • inorganic pigments and fillers such as Milori blue, titanium dioxide, iron oxides, metal pigments, carbon blacks and carbonates such as chalk, limestone, calcite, dolomite
  • metallic effect pigments such as aluminum, copper, copper / zinc and zinc pigments, fire-colored bronzes, iron oxide-aluminum pigments, interference or pearlescent pigments such as metal oxide mica pigments, bismuth oxychloride, basic lead carbonate, fish silver or micronized Titanium dioxide, platelet-shaped graphite, platelet-shaped iron oxide, multilayer effect pigments of PVD Films or produced by the CVD process (Chemical Vapor Deposition) and liquid crystal (polymer) pigments can be used.
  • dyes are used. A list of pigments used is in "Rompp Encyclopedia, paints and inks, publisher dr. Ulrich Zorll, Georg Thieme Verlag, Stuttgart, 1998 "given.
  • the component B) essential to the invention is used in amounts of from 30 to 99% by weight, preferably from 30 to 60% by weight.
  • aqueous resin dispersions obtainable by reaction or proportionate reaction of I) hydroxyl-containing ketone, ketone / aldehyde, urea / aldehyde resins or their hydrogenated secondary products and
  • At least one modified isocyanate and / or polyisocyanate having at least one free NCO group obtainable by reacting at least one isocyanate and / or polyisocyanate with compounds which have at least one isocyanate-reactive function in addition to the hydrophilic or potentially hydrophilic group and at least one hydrophilic And / or a potentially hydrophilic group, and III) at least one compound which is reactive toward isocyanate groups
  • Suitable as component I) are all resins which are listed in DE-OS 10 2004 005 208.5 and DE-OS 10 2004 005 204.7. Preference is given to hydroxyl-containing ketone
  • Aldehyde resins urea-aldehyde resins, phenol-aldehyde resins and their hydrogenated derivatives.
  • hydrophilic modification of II) is carried out by reacting a (poly) isocyanate and / or
  • compounds having (in addition to the hydrophilic or potentially hydrophilic group) at least one isocyanate-reactive function for.
  • OH, NH and having at least one hydrophilic group and / or a potentially hydrophilic group, that is hydrophilic after neutralization.
  • examples of such compounds for the hydrophilic modification of the polyisocyanates are aminocarboxylic acids, hydroxysulfonic acids, aminosulfonic acids and hydroxycarboxylic acids.
  • hydrophilic modification can also be done with already neutralized compounds.
  • Hydroxycarboxylic acids such as dimethylolpropionic acid,
  • Dimethylol butyric acid, bis (hydroxyphenyl) valeric acid and / or hydroxypivalic acid are particularly preferred because they are neutralized with volatile bases, such as. B. amines, strong hydrophilic effect, after evaporation of the volatile base, however, this effect decreases greatly, so that z. B. Coatings do not soften when exposed to moisture or start off white.
  • Dimethylolpropionic acid and 2 - [(2-aminoethyl) amino] -ethanesulfonic acid are also particularly preferred because they are capable of hydrophilically modifying (potentially) two hydrophobic polyisocyanates.
  • Suitable polyisocyanates for the preparation of II) are preferably di- to tetrafunctional polyisocyanates having a molecular weight below 800 g / mol with aliphatically, (cyclo) aliphatically and / or cycloaliphatically bonded isocyanate groups, as are commonly used in the field of polyurethane coatings, as well as mixtures of these: 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate; IPDI), trimethylhexamethylene diisocyanate (TMDI), 1,6-diisocyanatohexane (HDI), bis (4-isocyanatohexyl) -methane (H 12 MDI), and further polyisocyanates which are listed in DE-OS 24 56 469, p. 5 and 6.
  • oligomers obtainable from the monomeric polyisocyanates, the recovery of which corresponds to the prior art and e.g. in the Journal of Practical Chemistry 336 (1994), 185-200 and paint and varnish 100, 5 (1994), 330-335 and the literature cited therein.
  • polyisocyanates with biuret, uretdione or isocyanurate structure the latter obtainable by cyclotrimerization of the monomers.
  • polyisocyanates as products of polyhydric alcohols and / or amines with monomeric isocyanates, such as. B. the product of trimethylolpropane and isophorone diisocyanate.
  • nonionic hydrophilization can be carried out, for example, via polyethers which can be reacted, for example, with the abovementioned polyisocyanates and component I).
  • the introduction of the functional components (III) can be carried out by reacting a (poly) isocyanate and / or mixtures of different (poly) isocyanates with compounds having at least one isocyanate-reactive function, for. B. OH, NH and carried out with at least one further functional group in the way that at least one NCO function is maintained and subsequent reaction with I) before or after reaction with II).
  • the preparation of component III) can also be carried out in situ during the preparation of the pre-adduct.
  • component III) it is possible in principle to use aliphatic or aromatic alcohols and / or amines or aromatic heteroaromatic ring systems which, in addition to the NCO-reactive group, have a further functionality.
  • Preferred examples of such compounds are dimethylaminopropylamine, diethanolamine, pyrrolidone and / or hydroxypivalic acid.
  • the reaction of I) with II) and / or III) can be carried out in bulk or preferably in the presence of a suitable auxiliary solvent.
  • the content of organic solvents is below 20 wt .-%, preferably below 10 wt .-%, more preferably below 2 wt .-%.
  • Preferred solids contents are 50 to 95% by mass, particularly preferably 60 to 80% by mass, when using an auxiliary solvent.
  • Suitable auxiliary solvents are either preferably those which have a boiling point below 100 ° C. at 1013 hPa and can be completely removed by distillation from the finished aqueous system to a residual content of 0.1% by mass and reused, for example acetone, methyl ethyl ketone or tetrahydrofuran , or possibly higher boiling, which remain in the aqueous system, such as butyl glycol, butyl diglycol or N-methylpyrrolidone.
  • the sub-100 ° C boiling auxiliary solvents are therefore preferred because they allow the production of purely aqueous, solvent-free and thus environmentally friendly dispersions.
  • An advantage of the method according to the invention lies precisely in the fact that it is possible completely to dispense with organic solvents in the finished aqueous resin dispersion and still obtain solids-rich, stable dispersions.
  • component III e.g. an adduct of 1 mol of diisocyanate and 1 mol of a functional NCO-reactive component optionally prepared using a suitable solvent and a suitable catalyst.
  • component II e.g. an adduct of 2 moles of diisocyanate and 1 mole of dimethylolpropionic acid and / or 2 - [(2-aminoethyl) amino] -ethanesulfonic acid or derivatives thereof are optionally prepared using a suitable solvent and a suitable catalyst.
  • the separately prepared products are added to a solution or melt of the hydroxyl-containing ketone, ketone-aldehyde, urea-aldehyde or their hydrogenated secondary products (I) and reacted.
  • the temperature of the reaction is selected. Temperatures between 30 and 245.degree. C., preferably between 50 and 140.degree. C., have proven successful in all reaction steps.
  • ii) can be used as component II) z.
  • an adduct of 2 moles of diisocyanate and 1 mole of dimethylolpropionic acid and / or 2 - [(2-aminoethyl) amino] ethanesulfonic acid or derivatives thereof are optionally prepared using a suitable solvent and a suitable catalyst.
  • the product is converted to a solution or melt of the hydroxyl-containing ketone, ketone
  • the temperature of the reaction is selected.
  • a suitable catalyst for the preparation of the resins of the invention can be used.
  • Suitable are all known in the literature compounds that accelerate an NH or OH-NCO reaction, such as. B. diazabicyclooctane (DABCO) or dibutyltin dilaurate (DBTL), titanic acid esters, bismuth salts.
  • DABCO diazabicyclooctane
  • DBTL dibutyltin dilaurate
  • titanic acid esters bismuth salts.
  • the hydrophilicizing agent forms a potentially hydrophilic group, e.g. As a carboxyl group or a tertiary amino group introduced into the polyisocyanate, it can be converted by subsequent neutralization in an ionic hydrophilic group.
  • the neutralization of the resins according to the invention according to the anionically modified embodiments i) and ii) can be carried out with inorganic and organic bases, such as. As ammonia or organic amines. Preference is given to using primary, secondary and tertiary amines, such as. For example, ethylamine, propylamine, dimethylamine, dibutylamine, cyclohexylamine, benzylamine, morpholine, piperidine and triethanolamine.
  • volatile tertiary amines in particular dimethylethanolamine, diethylethanolamine, 2-dimethylamino-2-methyl-1-propanol, triethylamine, tripropylamine and tributylamine.
  • the amount of neutralization depends on the content of potentially neutralisable groups in the hydrophilically modified polyisocyanate and is preferably 50 to 130% of the neutralization amount necessary for a stoichiometric neutralization. In the case of cationically hydrophilicized systems, it is likewise neutralized with suitable acids, e.g. Acetic acid, formic acid, benzoic acid or lactic acid.
  • reaction product of I), II) and III) may optionally be combined with other non-hydrophilic resins or other water-soluble or water-dilutable components and then dispersed together.
  • This measure makes it technically advantageous to achieve a high solids content of the dispersions of more than 35% by mass, preferably from 35 to 40% by mass, to about 50% by mass.
  • aqueous binders C) essential to the invention are used in amounts of from 0 to 69% by weight, preferably from 0 to 60% by weight.
  • aqueous binders from the group of polyurethanes, polyacrylates, polyethers, polyesters, alkyd resins, polyamides, casein, cellulose ethers, derivatives of cellulose, polyvinyl alcohols and derivatives, polyvinyl acetates, polyvinyl chlorides, polyvinylpyrolidones, rubbers, natural resins, hydrocarbon resins such as coumarone, indene -, Cyclopentadienharze, terpene resins, Maleinatharze, phenolic resins, phenol / urea-aldehyde resins, aminoplasts (eg melamine, benzoguanamine), epoxy acrylates, epoxy resins, silicic acid esters and alkali metal silicates (eg water glass) and / or Silicon
  • the invention essential component D) is used in amounts of 0 to 69 wt .-%, preferably from 0 to 60 wt .-%.
  • suitable auxiliaries and additives such as inhibitors, organic solvents, surface-active substances, oxygen and / or radical scavengers, catalysts, light stabilizers, color brighteners, photosensitizers and initiators, additives for influencing theological properties such. Thixotropic and / or thickening agents, leveling agents, anti-skinning agents, defoamers, antistatic agents, lubricants, wetting and dispersing agents, preservatives such as e.g. also fungicides and / or biocides, thermoplastic additives, plasticizers, matting agents, fire protection equipment, internal release agents, fillers and / or blowing agents.
  • compositions such as pigment pastes, coating materials and printing inks from components A) to D):
  • compositions are carried out by intensive mixing of the components at temperatures of 20 to 80 ° C ("Textbook of Lacktechnologie", Th. Brock, M. Groteklaes, P.
  • Non-liquid components may be first dissolved in suitable solvents or water before mixing, then the remaining components are submerged
  • compositions according to the invention can be used, in particular for aqueous pigment pastes, ballpoint pen pastes and inks, polishes, glazes, fillers,
  • Foils made of plastics and / or composite materials such as aluminum-laminated films are coated or printed.
  • the compositions can be used for all conceivable Applications can be used both indoor and outdoor, such as building protection, automobiles, coil coating, can coating, textile finishing, wood coatings, decorative applications, etc. Also for use in adhesives, such. As for the bonding of textiles, leather, paper and similar materials, such compositions are suitable.
  • compositions of the invention are characterized by a brilliant hue and a high color depth.
  • the compositions have a low proportion of low molecular weight dispersing aids and are stable on storage.
  • the content of low molecular weight dispersants and wetting agents is less than 10 wt .-%, preferably less than 7 wt .-%, more preferably less than 5 wt .-%.
  • compositions according to the invention are distinguished by a particularly high rate of drying and drying, good blocking resistance, good water resistance and high hardness combined with very good elasticity.
  • the course is perfect and the surfaces are free of disturbances, such as craters and wetting disorders.
  • the dried, cured or crosslinked films obtained from the compositions have good adhesion properties to underlying coatings; Also, the intercoat adhesion to overlying layers is positively affected.
  • the compositions according to the invention have a solids content of from 10% to 80%, preferably from 20% to 60%.
  • the formaldehyde content of the compositions is below 100 ppm, preferably below 20 ppm and more preferably below 1 ppm.
  • DMPS dimethylolpropionic acid
  • DBTL dibutyltin dilaurate
  • Isophorone diisocyanate added so quickly that the exothermic reaction remains well manageable. The mixture is then stirred at 60 ° C until the DMPS has completely dissolved and the NCO number of the solution has fallen below 8.4% NCO (determined according to DIN 53185). To 45.6 g IPDI 17.4 g of pyrrolidone are added in a nitrogen atmosphere and stirred at 80 ° C to an NCO content of 13.6%.
  • the two precursors are combined in a nitrogen atmosphere, with 544 g of a hydroxyl-containing ketone / aldehyde resin (OHZ 310 mg KOH / g, resin SK, Degussa AG), which is dissolved in 508 g of acetone, and with 1.24 g of a 10% DBTL solution in acetone. It is stirred at reflux temperature until an NCO content of less than 0.15% is reached.
  • a hydroxyl-containing ketone / aldehyde resin (OHZ 310 mg KOH / g, resin SK, Degussa AG)
  • 250 g of the solution prepared under 1) are neutralized at room temperature with stirring by the addition of 6.8 g of triethylamine and dispersed by introducing 457 g of deionized water with vigorous stirring.
  • the auxiliary solvent acetone and water to a proportion are removed in vacuo, and there is a storage-stable, finely divided, slightly opalescent resin dispersion having a solids content of about 27.0% by mass, a pH of 8.2 and a viscosity of about 90 mPa-s received.
  • Example 2 for the preparation of component B) 1) Preparation of the hydrophilically modified Polvisocvanats ID, an adduct IIP and its
  • DMPS dimethylolpropionic acid
  • DBTL dibutyltin dilaurate
  • the precursor After cooling to room temperature in a nitrogen atmosphere, the precursor with 480 g of a hydroxyl-containing ketone / aldehyde resin (OHZ 310 mg KOH / g, resin SK, Degussa AG), which is dissolved in 400 g of acetone, and 0.5 g of a 10% DBTL solution in acetone.
  • the mixture is stirred at reflux temperature until an NCO content of less than 1.3% is reached.
  • 38.3 g of diethanolamine dissolved in 31.2 g of acetone are added, and it is stirred to an NCO content below 0.15%. 2) dispersing the modified resin 1)
  • 250 g of the solution prepared under 1) are neutralized at room temperature with stirring by adding 6.3 g of triethylamine and dispersed by introducing 335 g of deionized water with vigorous stirring.
  • the auxiliary solvent acetone and water are removed in vacuo, and there is a storage-stable, finely divided, slightly opalescent resin dispersion having a solids content of about 32.9% by mass, a pH of 8.3 and a viscosity of about 260 mPa-s received.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

La présente invention concerne des compositions aqueuses constituées a) de colorants et/ou de matières de charge, b) de dispersions de résine aqueuses fonctionnalisées de cétone, cétone/aldéhyde ou urée/aldéhyde et c) éventuellement d'autres liants et/ou d) d'auxiliaires et d'adjuvants.
PCT/EP2005/056981 2005-02-11 2005-12-20 Compositions aqueuses Ceased WO2006084523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510006296 DE102005006296A1 (de) 2005-02-11 2005-02-11 Wässrige Zusammensetzungen
DE102005006296.2 2005-02-11

Publications (1)

Publication Number Publication Date
WO2006084523A1 true WO2006084523A1 (fr) 2006-08-17

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PCT/EP2005/056981 Ceased WO2006084523A1 (fr) 2005-02-11 2005-12-20 Compositions aqueuses

Country Status (3)

Country Link
CN (1) CN1878835A (fr)
DE (1) DE102005006296A1 (fr)
WO (1) WO2006084523A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010028848A1 (fr) * 2008-09-15 2010-03-18 Basf Coatings Ag Compositions durcissantes pour revêtement de matériaux composites
WO2010108701A1 (fr) * 2009-03-24 2010-09-30 Evonik Degussa Gmbh Préimprégnés et corps moulés réalisés à partir desdits préimprégnés
CN102942833A (zh) * 2012-12-10 2013-02-27 海安苏海精细化工有限公司 红木家具漆
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WO2010108701A1 (fr) * 2009-03-24 2010-09-30 Evonik Degussa Gmbh Préimprégnés et corps moulés réalisés à partir desdits préimprégnés
US9144796B1 (en) 2009-04-01 2015-09-29 Johnson Matthey Public Limited Company Method of applying washcoat to monolithic substrate
CN102942833A (zh) * 2012-12-10 2013-02-27 海安苏海精细化工有限公司 红木家具漆
CN104130626A (zh) * 2013-04-30 2014-11-05 雄狮铅笔厂股份有限公司 金墨组合物
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US9718737B2 (en) 2015-04-21 2017-08-01 Behr Process Corporation Decorative coating compositions
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EP3564327A4 (fr) * 2016-12-28 2020-07-29 Kao Corporation Dispersion aqueuse de pigment
US11345825B2 (en) 2016-12-28 2022-05-31 Kao Corporation Aqueous pigment dispersion
WO2019000591A1 (fr) * 2017-06-29 2019-01-03 刘元 Peinture blanche d'apprêt à l'eau appliquée à un revêtement de surface de crayon
CN108456438A (zh) * 2017-10-11 2018-08-28 青州市众鑫新材料科技有限公司 一种水晶纳米釉环保净味水性涂料
CN108530603A (zh) * 2018-04-18 2018-09-14 南京理工大学 云母改性水性聚氨酯乳液、胶黏剂及其制备方法
CN109368777A (zh) * 2018-12-03 2019-02-22 巩义市宏盛稀有金属有限公司 一种复合式mbr用软质活性生物悬浮填料及其制备方法
CN109368777B (zh) * 2018-12-03 2021-12-28 巩义市宏盛稀有金属有限公司 一种复合式mbr用软质活性生物悬浮填料及其制备方法
CN115820087A (zh) * 2021-11-08 2023-03-21 苏州太湖电工新材料股份有限公司 一种水性绝缘漆
CN115820087B (zh) * 2021-11-08 2023-12-29 苏州太湖电工新材料股份有限公司 一种水性绝缘漆
CN114686054A (zh) * 2022-01-23 2022-07-01 铁壁金钢(福建)新材料科技有限公司 一种高环保性晶石彩涂料

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