WO2004076520A1 - Einkomponentige polyurethan-beschichtungssysteme enthaltend vierwertige vanadium-katalystoren - Google Patents
Einkomponentige polyurethan-beschichtungssysteme enthaltend vierwertige vanadium-katalystoren Download PDFInfo
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- 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/638—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the use of compounds having carbon-to-carbon double bonds other than styrene and/or olefinic nitriles
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- 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
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
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- 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
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- 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
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/807—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with nitrogen containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Definitions
- the present invention relates to new one-component polyurethane systems, their production and use for the production of lacquers, paints and adhesives.
- One-component (IC) emulsion systems based on polyurethane are raw materials that are stable at room temperature and heat-curable for the production of lacquers, paints and adhesives. They generally consist of blocked polyisocyanates which, during thermal curing, react with hydroxyl-containing polyesters, polyacrylates, other hydroxy-functional polymers or mixtures of different polymers. Another possibility of obtaining raw materials for stoving enamels which are stable at room temperature is the partial blocking of the isocyanate groups of polymers which contain both blocked isocyanate and hydroxyl groups.
- the most important compounds used to block polyisocyanates or IC stoving systems are ⁇ -caprolactam, methyl ethyl ketoxime (butanone oxime), secondary amines and triazole and pyrazole derivatives, such as those e.g. in EP-A 0 576 952, EP-A 0 566 953, EP-A 0 159 117, US-A 4 482 721, WO 97/12924 or EP-A 0 744 423.
- Blocking with malonic ester is also possible. With this type of blocking, however, the blocking agent is not cleaved back, but rather a transesterification reaction takes place on the malonic acid diethyl residue.
- temperatures of 100-160 ° C are used in the manufacture of coatings from the lK-PUR stoving systems.
- the selection of the suitable blocking agent for the respective system is not only based on the baking temperature. Other factors such as the tendency to yellowing, odor and storage stability of the systems also play an important role. Since efforts have recently been made to keep the stoving temperature of coating systems as low as possible, a compromise must be found with regard to the composition of the coatings and the properties of the coating. From this it can be seen that there is a need for new stoving systems that already have optimal application properties at lower stoving temperatures.
- EP-A 0 761 705 claims organic bismuth compounds for the catalysis of partially or completely blocked polyisocyanates.
- US Pat. No. 5,859,165 describes reaction products of manganese, cobalt, nickel, copper, zinc, germanium, antimony or bismuth or their oxides as catalysts for blocked poly (thio) isocyanates.
- EP-A 0 726 284 general Metal salts and / or metal complexes for catalyzing the reaction of blocked polyisocyanates with polyols are described, but in the examples only dibutyltin dilaurate and acetate are specifically disclosed.
- the common catalysts that are used in solvent-based IC systems can therefore not be used regularly in so-called aqueous systems.
- Known representatives of such catalysts which have a high effectiveness (i.e. a significant reduction in the stoving temperatures) are e.g. Bismuth 2-ethylhexanoate or organic Zmn-IV compounds such as e.g. Dibutyltin dilaurate (DBTL).
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilaurate
- DBTL Dibutyltin dilau
- WO 00/47642 contains a reference to a catalyst for aqueous one-component systems which is based on the reaction of bismuth oxide with a carboxylic acid with a carbon chain length of C ⁇ to C 3 6. In this system there is also hydrolysis of the catalyst, but at relatively high stoving temperatures of more than 165 ° C. to 180 ° C. the catalyst should again form from the components and have a high catalytic activity.
- this catalyst system is linked to very special resins or alcohol components.
- cationically hydrophilized resins i.e. those that have been implemented e.g. of a bisphenol A-containing epoxy resin with an amine.
- amines primary, secondary, tertiary
- quaternary ammonium groups can also be formed.
- the resin is therefore basically amine-containing, which is unsuitable for the development of an automotive filler which is said to have low yellowing and good long-term durability.
- an aqueous 1-component PUR system could be produced by adding surface-active substances or emulsifiers.
- the catalyst system presented there is not described for such a paint system.
- Hydrophilization with e.g. anionic hydrophilizations (e.g. by carboxylic acids) or nonionic hydrophilizations such as possible with polyether (built into the resin and not as an individual component as with the emulsifiers) to produce an aqueous 1-component system.
- anionic hydrophilizations e.g. by carboxylic acids
- nonionic hydrophilizations such as possible with polyether (built into the resin and not as an individual component as with the emulsifiers) to produce an aqueous 1-component system.
- polyether built into the resin and not as an individual component as with the emulsifiers
- cationic hydrophilization can e.g. act as a ligand for stabilization by ammonium salts. This stabilizing effect does not apply to IC systems that are not cationically hydrophilized.
- catalysts which enable the curing of a one-component system at temperatures of up to 140 ° C., preferably at an even lower temperature.
- the object was therefore to find a general-purpose catalyst which is effective at low stoving temperatures and which works with a large number of blocking agents and resins and hydrophilizing agents. At the same time, ecological considerations should be taken into account.
- vanadium compounds for the catalysis of blocked polyisocyanates or one-component stoving systems was previously unknown.
- the compounds of vanadium in their higher oxidation states are particularly suitable for use as a catalyst.
- Compounds of vanadium e.g. in the oxidation state + 5 e.g. vanadium oxide triethylate as vanadium ester for the production of polyurethanes
- vanadium oxide triethylate for the production of polyurethanes
- DE-A 1 921 952 also excludes the use of vanadium compounds in water-containing systems (due to the hydrolysis tendency of the vanadium oxide alcoholates) and describes only the vanadium oxide trialcoholates. Accelerating the reaction of blocked isocyanates with e.g. Polyols in the presence of vanadium compounds have therefore not been suggested by the prior art.
- the stoving temperature can be reduced by approximately 20 ° C. depending on the blocking agent used. This enables low baking temperatures of approx. 130 ° C to be achieved.
- the catalysts according to the invention are sufficiently active even at a low temperature, for example of 120 ° C., as is shown in the following examples.
- the present invention relates to one-component stoving systems based on polyurethane, characterized in that they contain one or more organic and / or inorganic compounds of vanadium in which the vanadium has an oxidation state of at least +4.
- (c) contain one or more organic and / or inorganic compounds of vanadium in which the vanadium has an oxidation state of at least +4,
- the invention also relates to processes for producing the one-component stoving systems of the general composition (a) to (e).
- Another object of the invention is the use of the one-component stoving systems according to the invention for the production of lacquers, paints and other stoving systems such as adhesives or elastomers and the coatings produced from them.
- the IC combustion systems according to the invention contain, as crosslinking component, blocked polyisocyanates (a) such as are obtainable in a manner known per se by reacting any organic polyisocyanates A) with any blocking agents B) and optionally further structural components C).
- Suitable polyisocyanates A) for the preparation of the blocked polyisocyanates (a) are any organic polyisocyanates known from the classic polyurethane systems for crosslinking compounds with active hydrogen, ie aliphatic including the cycloaliphatic, aromatic and heterocyclic polyisocyanates with at least two isocyanate groups and mixtures thereof.
- Suitable polyisocyanates A) are aliphatic isocyanates such as di- or triisocyanates, for example butane diisocyanate (BDI), pentane diisocyanate, hexane diisocyanate (HDI), 4-isocyanatomethyl-l, 8-octane diisocyanate (triisocyanatononane, TEST) or cyclic systems such as 4,4'-methylene-bis (cyclohexylisocyanate) (Desmodur ® W, Bayer AG, Leverkusen), 3,5,5-trimethyl-l-isocyanato-3-isocyanatomethyl ylcyclohexane (IPDI) and ⁇ , ⁇ '-diisocyanato-l, 3-dimethylcyclohexane (H ⁇ XDI).
- BDI butane diisocyanate
- HDI hexane diisocyanate
- HDI hex
- aromatic polyisocyanates examples include 1,5-naphthalene diisocyanate, diisocyanato-diphenylmethane (MDI) or crude MDI, diisocyanatomethylbenzene (TDI), in particular the 2,4 and 2,6-isomers, and technical mixtures of the two isomers and 1 , 3-bis (isocyanato-methyl) benzene (XDI).
- MDI diisocyanato-diphenylmethane
- TDI diisocyanatomethylbenzene
- XDI 3-bis (isocyanato-methyl) benzene
- polyisocyanates which are obtainable by reacting the di- or triisocyanates with themselves via isocyanate groups, such as uretdiones or carbodiimide compounds or such as isocyanurates or iminoxadiazinediones which are formed by reaction of three isocyanate groups.
- polyisocyanates are oligomeric polyisocyanates with biuret, allophanate and acylurea structural elements, and any mixtures of the polyisocyanates mentioned. Mixtures of polyisocyanates with the above-mentioned structural elements or mixtures of the modified polyisocyanates with the monomeric isocyanates can also be used.
- the polyisocyanates modified in this way can also be partially prepolymerized with other groups which are reactive toward isocyanates. Modified polyisocyanates are quite
- Polyisocyanate prepolymers which have on average more than one isocyanate group per molecule are also very suitable. They are obtained by pre-reacting a molar excess, for example one of the di, tri or polyisocyanates and modified polyisocyanates mentioned above, with an organic material which has at least two active hydrogen atoms per molecule, for example in the form of hydroxyl groups. They can be prepolymerized in a similar proportion to that described in the next section.
- low molecular weight polyisocyanates containing urethane groups are also suitable, as can be obtained by reacting excess diisocyanates, preferably IPDI or TDI, with simple polyhydric alcohols in the molecular weight range 62-300, in particular with trimethylolpropane or glycerol.
- Suitable polyisocyanates A) are also the known prepolymers containing terminal isocyanate groups, as are accessible in particular by reacting the simple polyisocyanates mentioned above, especially diisocyanates, with inadequate amounts of organic compounds having at least two functional groups which are reactive toward isocyanates.
- the ratio of isocyanate groups to hydrogen atoms reactive towards NCO corresponds to 1.05: 1 to 10: 1, preferably 1.1: 1 to 3: 1, the hydrogen atoms preferably originating from hydroxyl groups.
- the type and proportions of the starting materials used in the production of NCO prepolymers are preferably chosen such that the NCO prepolymers preferably have a medium NCO Functionality of 2 to 3 and a number average molecular weight of 500-10000, preferably 800-4000.
- Preferred polyisocyanates A) are those which contain a uretdione, isocyanurate, iminooxadiazü dione, acylurea, urethane, biuret or allophanate structure, those polyisocyanates based on 1,6-hexamethylene diisocyanate, 3.5, 5-trimethyl-l-isocyanato-3-isocyanato-methylcyclohexane (IPDI), ⁇ , ⁇ '-diisocyanato-l, 3-dimethylcyclohexane (H 6 XDI) and 4,4'-methyl-bis (cyclohexyl isocyanate) (Desmodur ® W, Bayer AG, Leverkusen) are preferred.
- IPDI 5-trimethyl-l-isocyanato-3-isocyanato-methylcyclohexane
- H 6 XDI 3-dimethylcyclohexane
- polyisocyanates A) in the invention are those polymers containing free isocyanate groups based on polyurethane, polyester and / or polyacrylate and, if appropriate, mixtures thereof, in which only some of the free isocyanate groups are reacted with blocking agents, while the remaining part is reacted with an excess of hydroxyl-containing polyesters, polyurethanes and / or polyacrylates and, if appropriate, their mixtures, so that a polymer containing free hydroxyl groups is formed which, when heated to suitable usinem temperatures, crosslinks groups reactive with isocyanate groups without the addition of further components ( self-crosslinking one-component stoving systems).
- All of the polyisocyanates mentioned can also be used as any mixtures with one another or with other crosslinking agents such as with melamine resins for the production of lacquers, paints and other formulations.
- Suitable blocking agents B) are N-H or O-H functional compounds which react with isocyanates and, at a suitable temperature, permit a crosslinking reaction with a further N-H or O-H functional compound.
- suitable blocking agents are dimethylpyrazole, diisopropylamine, tert-burylbenzylamine, butanone oxime, ⁇ -caprolactam, ethoxyethanol, isopropoxyethanol and other alcohols such as carbitols.
- Secondary amines such as e.g. Dibutylamine or other oximes such as e.g. Cyclohexanone oxime or acetone oxime can be used.
- An overview of suitable blocking agents in principle can be found e.g.
- the ratio of isocyanate groups to the blocking agent is generally 1: 1, but can also have a value of 0.5: 1 to 2: 1.
- a ratio of 0.9: 1 to 1.1: 1 is preferred, particularly preferably from 0.95: 1 to 1: 1.
- the blocked polyisocyanates (a) can be prepared by methods known per se. For example, one or more polyisocyanates can be introduced and the blocking agent can be metered in (for example for about 10 minutes) with stirring. The mixture is stirred until free isocyanate can no longer be detected. It is also possible to block one or more polyisocyanates with a mixture of two or more (possibly also not according to the invention) blocking agents.
- the blocked polyisocyanates can of course also be prepared in solvents. These can either be distilled off again in the further production steps or else they remain in the product.
- blocked polyisocyanates (a) used according to the invention are hydrophilized ionically, nonionically or by both methods according to methods known per se and are dissolved or dispersed in this after the addition of water. Catalysts, cosolvents and other auxiliaries and additives can also be used in the preparation of the polyisocyanates.
- the aqueous one-component stoving systems can also be produced by mixing non-blocked or only partially blocked polyisocyanates with polyesters, polyacrylates, polyacrylate- and polyurethane-modified polyesters containing hydrophilic groups and then converting them into a dispersion.
- Ionic or potentially ionic compounds C1) and / or compounds C2 as nonionic hydrophilizing agents are suitable as further structural components C.
- Ionic or potentially ionic compounds Cl are, for example, mono- and dihydroxycarboxylic acids, mono- and diaminocarboxylic acids, mono- and dihydroxysulfonic acids, mono- and diaminosulfonic acids as well as mono- and dihydroxyphosphonic acids or mono- and diaminophosphonic acids and their salts such as dimethylolpropionic acid, hydroxypivalic acid, N - (2-Aminoethyl) -ß-alanine, 2- (2-amino ⁇ efhyl-amino) -ethanesulfonic acid, ethylenediamine-propyl- or butylsulfonic acid, 1,2- or 1,3-propylene-diamine-ß-ethylsulfonic acid, lysine , 3,5-diaminobenzoic acid, the
- Preferred ionic or potential ionic compounds C1 are those which have carboxy or carboxylate and / or sulfonate groups and / or ammonium groups.
- Particularly preferred ionic compounds are those which contain carboxyl and / or sulfonate groups as ionic or potentially ionic groups, such as the salts of N- (2-aminoethyl) -ß-alanine, 2- (2-aminoethylamino) ethanesulfonic acid, the hydrophilizing agent according to Example 1 from EP-A 0 916 647 and dimethylolpropionic acid.
- Construction components C3 which are described below as compounds (b) can also be used.
- the hydroxy components covered by the components C1, C2 and C3 described can contain double bonds which can originate, for example, from long-chain aliphatic carboxylic acids or fatty alcohols. Functionalization with olefinic double bonds is possible, for example, by incorporating allylic groups or acrylic acid or methacrylic acid and their respective esters. This results in the possibility of using these substances for subsequent oxidative crosslinking using siccatives (Co +3 ) in the presence of atmospheric oxygen compounds or by UV radiation for further crosslinking.
- PUR dispersions after dispersion in or with water, which by their nature are aqueous 1-component PU coating systems.
- PUR dispersions can also contain nonionically hydrophilic compounds C2 such as Polyoxyalkylene ethers containing at least one hydroxyl or amino group.
- C2 nonionically hydrophilic compounds
- polyethers contain from 30% by weight to 100% by weight of building blocks which are derived from ethylene oxide.
- Linear polyethers with a functionality between 1 and 3 are suitable, but also compounds of the general formula (VI)
- R 1 and R 2 each independently represent a divalent aliphatic, cycloaliphatic or aromatic radical having 1 to 18 carbon atoms, which can be interrupted by oxygen and / or nitrogen atoms, and
- R 3 stands for a non-hydroxyterated polyester or preferably polyether.
- R 3 particularly preferably represents an alkoxy-terminated polyethylene oxide radical.
- Compounds which have a nonionic hydrophilization and are used as further structural component C2 are, for example, monovalent polyalkylene oxide polyether alcohols which have a statistical average of 5 to 70, preferably 7 to 55, ethylene oxide units per molecule, as are obtainable in a manner known per se by alkoxylation of suitable starter molecules (eg in Ullmann's Encyclopedia of Technical Chemistry, 4th edition, Volume 19, Verlag Chemie, Weinheim pp. 31-38).
- Suitable starter molecules are, for example, saturated monoalcohols such as methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol, sec-butanol, the isomeric pentanols, hexanols, octanols and nonanols, n-decanol, n-dodecanol, n-tetradecanol, n - Hexadecanol, n-octadecanol, cyclohexanol, the isomeric methylcyclohexanols or hydroxymethylcyclohexane, 3-ethyl-3-hydroxymethyloxetane, or tetrahydrofurfuryl alcohol; Diethylene glycol monoalkyl ethers such as diethylene glycol monobutyl ether; unsaturated alcohols such as allyl alcohol, 1,1-dimethylallyl
- Preferred starter molecules are saturated monoalcohols and diethylene glycol monoalkyl ethers.
- Diethylene glycol monobutyl or methyl ether is particularly preferably used as the starter molecule.
- Alkylene oxides suitable for the alkoxylation reaction are, in particular, ethylene oxide and propylene oxide, which can be used in the alkoxylation reaction in any order or in a mixture.
- the polyalkylene oxide polyether alcohols are either pure polyethylene oxide polyethers or mixed polyalkylene oxide polyesters whose alkylene oxide units consist of at least 30 mol%, preferably at least 40 mol%, of ethylene oxide units.
- Preferred nonionic compounds are monofunctional mixed polyalkylene oxide polymers which have at least 40 mol% of ethylene oxide and at most 60 mol% of propylene oxide units.
- Combinations of ionic and nonionic hydrophilizing agents can also be used to hydrophilize the PUR dispersions according to the invention.
- cationic hydrophilizing agents can also be used. If the former is the case, combinations of anionic and nonionic hydrophilizing agents are preferably used.
- the polyisocyanates are either self-crosslinking polymers or else crosslinking agents for any compounds having groups (b) which are reactive toward polyisocyanates.
- Suitable compounds of the type (b) mentioned which can also be used as mixtures are: Polymers containing polyhydroxy polyesters, polyhydroxy polyethers or hydroxyl groups, for example the polyhydroxy polyacrylates known per se.
- the compounds generally have a hydroxyl number of 20 to 200, preferably 50 to 130, based on 100% products.
- polyhydroxyl polyacrylates are known copolymers of styrene with simple esters of acrylic acid and / or methacrylic acid, with the purpose of introducing the hydroxyl groups into hydroxyalkyl esters, such as, for example, the 2-hydroxyethyl, 2-hydroxypropyl, 2-, 3- or 4-hydroxybutyl esters of these acids can also be used.
- Suitable polyether polyols are the ethoxylation and / or propoxylation products of suitable 2- to 4-valent starter molecules known per se from polyurethane chemistry, e.g. Water, ethylene glycol, propanediol, tri-methylolpropane, glycerin and / or pentaeiyfhrite.
- polyester polyols are, in particular, the reaction products of polyhydric alcohols known per se in polyurethane chemistry, for example alkane polyols of the type just mentioned with excess amounts of polycarboxylic acids or polycarboxylic anhydrides, in particular dicarboxylic acids or dicarboxylic anhydrides.
- Suitable polycarboxylic acids or polycarboxylic acid anhydrides are, for example, adipic acid, phthalic acid, isophthalic acid, phthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, maleic acid, maleic acid anhydride, their Diels-Alder adducts with cyclopereic acid or dimeric fatty acids, fumaric acids or fumaric acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, dimeric or dimeric fatty acids, fumaric acids or fumaric acids, di
- polyester polyols are produced by known methods, e.g. in Houben-Weyl, Methods of Organic Chemistry, Volume XIV / 2, G. Thieme-Verlag, 1963, pages 1 to 47.
- the hydrophilic modification of these polyhydroxyl compounds which may be required is carried out according to methods known per se, such as are disclosed, for example, in EP-A 0 157 291 or EP-A 0 427 028.
- polyol component (b) in the one-component systems according to the invention are 2- to 6-valent alcohols and / or mixtures thereof which have no ester groups.
- Typical examples are ethanediol-1,2, propanediol-1,2 and 1,3, butanediol-1,4, -1,2 or -2,3, Hexanediol-1,6, 1,4-dihydroxycyclohexane, glycerol, trimethylolethane, trimethylolpropane, pentaerythritol and sorbitol:
- alcohols with ionic groups or groups which can be converted into ionic groups can also be used.
- 1,4- or 1,3-butanediol, 1,6-hexanediol and / or trimethylolpropane are also be used.
- component (b) compounds (such as ethanolamine and its derivatives) containing amino groups can also be used as component (b).
- Diamines such as hexamethylenediamine, ethylenediamine, isophoronediamine or hydrazine and / or its derivatives can also be used.
- the ratio of the groups which are reactive towards the blocked isocyanates to the blocked isocyanates can be varied within a wide range and will generally be 0.5: 1 to 2: 1. A ratio of 1: 1 or 1.5: 1 is preferred.
- the one-component stoving enamels according to the invention contain organic and / or inorganic vanadium compounds as catalysts (c).
- vanadium compounds in which the latter has an oxidation state greater than or equal to + 4 are suitable as vanadium compounds. They could be soluble as well as partially soluble or insoluble in the emcomponent stoving system to be catalyzed. They can be organic or inorganic in nature; mixtures of different vanadium compounds can also be used, as can mixtures of the vanadium compounds with other catalysts such as amines and / or tin or bismuth compounds.
- Examples of preferred vanadium compounds are ammonium, lithium, sodium, potassium vanadate, lithium, sodium, potassium orthovanadate, magnesium vanadate, calcium vanadate, vanadyl (IV) acetylacetonate (NO (C 5 H 7 0 5 ) 2 ), Nanadyl-bis-tetramethylheptadionate NO (TMHD) 2 , nanadic acid.
- vanadium in the oxidation state + 4 and + 5 are preferred.
- Derivatives of vanadium acid or orthovanadium acid are therefore preferred.
- vanadium compounds, especially orthovanadates can carry out condensation reactions without experiencing a change in the oxidation number of the vanadium.
- the use of these polyvanadium anions is also according to the invention.
- orthovanadates with very different amounts of water of crystallization may occur, which would impair their effectiveness as catalysts.
- these can be complexes with alcohols, phenols, sugars, organic acids, (poly) ethers, etc. Lithium and sodium vanadate are particularly preferred.
- the vanadium compounds are used in amounts of 0.01 to 5% by weight, preferably 0.1 to 2% by weight, particularly preferably 0.2 to 1% by weight, based on the sum of components (a), ( b) and (e) added.
- the addition can be made to any component (a), (b), (d) or (e) or mixtures thereof, both during production and subsequently to the respective component or to the finished lacquer. It is preferred to add either component (a) or (b) or mixtures thereof during the preparation.
- the vanadium compounds according to the invention are particularly preferably added to the respective components before the dispersing water is added.
- the vanadium compounds according to the invention can be added as a finely ground solid, as a suspension in any liquids or as a solution.
- the one-component braking systems according to the invention contain water and / or organic solvents or mixtures thereof as solvents (d).
- solvents can be used as organic solvents.
- the solvents used in the paint industry such as xylene, butyl acetate, ethyl acetate, butyl glycol acetate are preferred, methoxypropyl acetate, hydrocarbons such as Solvesso ® (Exxon Mobile Chemicals) 100, N-methylpyrrolidone.
- customary additives and other auxiliaries e.g. pigments, fillers, leveling agents, defoamers, catalysts
- further catalysts other than (c) can also be added to the formulations.
- the lacquers, paints and other formulations are produced from the one-component stoving systems according to the invention by methods known per se. Regardless of the manufacturing method chosen, the one-component stoving systems according to the invention contain the individual components (a) to (e) described above, the amounts of (a) + (b) being from 20 to 89.9 parts by weight, (c) from 0, 01 to 5 parts by weight, the amount of (d) from 10 to 75 parts by weight and of (e) 0 to 10 parts by weight, with the proviso that the sum of the parts by weight of the individual components (a) to (e ) Is 100.
- the one-component penetration systems according to the invention preferably contain the above-described individual components (a) to (e), with the proviso that a total of 100 parts by weight results, the amounts of (a) + (b) 30 to 69, 9 parts by weight, (c) from 0.01 to 2 parts by weight, the amount of (d) from 30 to 70 parts by weight and (e) from 0 to 8 parts by weight.
- the one-component stoving systems according to the invention are used for the production of stoving lacquers, e.g. used for industrial painting and automotive painting. These stove enamels can e.g. Primers, fillers and top coats.
- the stoving lacquers can contain pigments or be pure top coats.
- the coating compositions according to the invention can be applied by rakehi, dipping, spray application such as compressed air or airless spraying, and by electrostatic application, for example high-speed rotary bell application.
- the dry film layer thickness can be, for example, 10-120 ⁇ m.
- the dried films are cured by baking in temperature ranges from 90-160 ° C, preferably 110-140 ° C, particularly preferably at 120-130 ° C.
- the substrates coated with coatings obtainable from preparations based on the one-component stoving systems according to the invention are likewise the subject of the present invention.
- a polyester polyacrylate made from a polyester polyol from 1,6-hexanediol, trimethylolpropane, peanut oil fatty acid, maleic anhydride and phthalic acid anhydride and an OH number of 136 were grafted with a mixture of butyl acrylate, Methyl methacrylate and hydroxypropyl methacrylate and acrylic acid, added and stirred for 20 minutes. Then 115.5 g (1.296 eq) of dimethylethanolamine were added and stirring was continued for 10 minutes.
- vanadium catalysts can result in better chemical resistance.
- the pendulum hardness also increases.
- the crosslinking temperature is reduced by approx. 20 ° C.
- the comparative example shows the clear increase in pendulum hardness and the solvent resistance of the coating system after curing through the catalysis of vanadate compounds.
- Examples 5 to 11 show the clear increase in pendulum hardness and the solvent resistance of the coating system after curing through the catalysis of vanadate compounds.
- the employed blocked polyisocyanate is hexamethylene diisocyanate trimer blocked with 3,5-dimethylpyrazole (Desmodur ® VP LS 2253, Bayer AG).
- the polyol used was a polyester polyacrylate composed of a polyester polyol composed of 1,6-hexanediol, trimethylolpropane, peanut oil fatty acid, maleic anhydride and phthalic anhydride and an OH number of 136, grafted with a mixture of butyl acrylate, methyl methacrylate and hydroxypropyl methacrylate and acrylic acid.
- the employed blocked polyisocyanate is hexamethylene diisocyanate trimer blocked with 3,5-dimethylpyrazole (Desmodur ® VP LS 2253, Bayer AG), to the proportionately diisocyanate isophorone the (JJPDI) Z4470, Bayer AG, Leverkusen, was added (by prereaction with the PES-PUR polyol described below.
- PES-PUR polyol is used as the polyol (Bayhydrol VP LS 2056, Bayer AG, Leverkusen, OH content 1.7% by weight), consisting of Neopentylglycol, propylene glycol, trimethylolpropane, adipic acid, isophthalic acid, dimethylolpropionic acid, hexamethylene diisocyanate, N-methylpyrrolidone, dimethylethanolamine, and water.
- the solids content is 47%.
- Examples 6 to 15 show that the stoving temperatures of the aqueous IK systems can be reduced by approximately 20 ° C. in the presence of the vanadium catalysts.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20040710864 EP1599524B1 (de) | 2003-02-26 | 2004-02-13 | Einkomponentige polyurethan-beschichtungssysteme enthaltend vierwertige vanadium-katalysatoren |
KR1020057015758A KR101153543B1 (ko) | 2003-02-26 | 2004-02-13 | 4가 바나듐을 함유하는 단일?성분 폴리우레탄 코팅 시스템 |
ES04710864T ES2384383T3 (es) | 2003-02-26 | 2004-02-13 | Sistemas de recubrimiento de poliuretano de un componente que contienen catalizadores de vanadio tetravalentes |
MXPA05008970A MXPA05008970A (es) | 2003-02-26 | 2004-02-13 | Sistemas de revestimiento de poliuretano de un solo componente que contienen vanadio cuadrivalente. |
CA 2516835 CA2516835A1 (en) | 2003-02-26 | 2004-02-13 | Single-component polyurethane coating systems containing quadrivalent vanadium |
JP2006501852A JP4705013B2 (ja) | 2003-02-26 | 2004-02-13 | 4価バナジウム触媒を含む一成分ポリウレタン被覆系 |
HK06106566A HK1086581A1 (en) | 2003-02-26 | 2006-06-08 | Single-component polyurethane coating systems containing quadrivalent vanadium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003108105 DE10308105A1 (de) | 2003-02-26 | 2003-02-26 | Polyurethan-Beschichtungssysteme |
DE10308105.4 | 2003-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004076520A1 true WO2004076520A1 (de) | 2004-09-10 |
Family
ID=32841878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/001424 WO2004076520A1 (de) | 2003-02-26 | 2004-02-13 | Einkomponentige polyurethan-beschichtungssysteme enthaltend vierwertige vanadium-katalystoren |
Country Status (13)
Country | Link |
---|---|
US (1) | US7041768B2 (de) |
EP (1) | EP1599524B1 (de) |
JP (1) | JP4705013B2 (de) |
KR (1) | KR101153543B1 (de) |
CN (1) | CN100335520C (de) |
CA (1) | CA2516835A1 (de) |
DE (1) | DE10308105A1 (de) |
ES (1) | ES2384383T3 (de) |
HK (1) | HK1086581A1 (de) |
MX (1) | MXPA05008970A (de) |
PL (1) | PL378200A1 (de) |
RU (1) | RU2005129539A (de) |
WO (1) | WO2004076520A1 (de) |
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WO2010108863A1 (de) | 2009-03-24 | 2010-09-30 | Basf Se | Strahlungshärtbare hochfunktionelle polyurethan(meth)acrylate |
DE102010003308A1 (de) | 2009-03-31 | 2011-01-13 | Basf Se | Strahlungshärtbare wasseremulgierbare Polyurethan(meth)acrylate |
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WO2013060614A1 (de) | 2011-10-28 | 2013-05-02 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
WO2014063920A1 (de) | 2012-10-24 | 2014-05-01 | Basf Se | Strahlungshärtbare wasserdispergierbare polyurethan(meth)acrylate |
US8889780B2 (en) | 2008-12-17 | 2014-11-18 | Basf Se | Quick-drying coating compounds |
EP2808354A1 (de) | 2014-08-08 | 2014-12-03 | Basf Se | Schnelltrocknende, hart-elastische, kratzfeste und beständige Beschichtungsmassen |
US8969452B2 (en) | 2008-12-17 | 2015-03-03 | Basf Se | Quick-drying coating compounds |
WO2015055591A1 (en) | 2013-10-16 | 2015-04-23 | Basf Se | Process for preparing water-emulsifiable polyurethane acrylates |
WO2016096503A1 (en) | 2014-12-17 | 2016-06-23 | Basf Se | Radiation curable coating composition based on chain-extended and cross-linked polyurethanes |
EP3305824A1 (de) | 2016-10-07 | 2018-04-11 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
US9963538B2 (en) | 2013-01-07 | 2018-05-08 | Basf Se | Catalysts for polyurethane coating compounds |
EP3336118A1 (de) | 2017-09-20 | 2018-06-20 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
US10131814B2 (en) | 2013-08-26 | 2018-11-20 | Basf Se | Radiation-curable water-dispersible polyurethane (meth)acrylates |
EP3431521A1 (de) | 2017-07-20 | 2019-01-23 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
US10227504B2 (en) | 2013-09-25 | 2019-03-12 | Basf Se | Crosslinkers for coating compounds |
WO2020012039A1 (en) | 2018-07-13 | 2020-01-16 | Miwon Austria Forschung Und Entwicklung Gmbh | Water-dispersible polyurethane (meth)acrylates for actinic radiation curable coatings |
US10604675B2 (en) | 2014-03-12 | 2020-03-31 | Basf Se | Quick-drying, energy-elastic, scratch-resistant and stable coating compounds |
WO2021151774A1 (en) | 2020-01-30 | 2021-08-05 | Basf Se | Color-stable curing agent compositions comprising water-dispersible polyisocyanates |
WO2022128925A1 (en) | 2020-12-18 | 2022-06-23 | Basf Se | Color-stable curing agent compositions comprising polyisocyanates of (cyclo)aliphatic diisocyanates |
WO2023280648A1 (en) | 2021-07-08 | 2023-01-12 | Basf Se | Polyisocyanate-containing formulations |
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DE102006058527A1 (de) * | 2006-12-12 | 2008-06-19 | Bayer Materialscience Ag | Klebstoffe |
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EP2316866A1 (de) * | 2009-10-29 | 2011-05-04 | Bayer MaterialScience AG | Wässrige Zubereitung auf Basis kristalliner oder semikristalliner Polyurethanpolymere |
JP5953900B2 (ja) * | 2012-04-18 | 2016-07-20 | Dic株式会社 | 2液硬化型樹脂組成物、コーティング剤及び塗膜 |
CN109804439B (zh) * | 2016-10-14 | 2022-02-11 | C3内诺公司 | 经稳定化的稀疏金属导电膜及用于稳定化合物的递送的溶液 |
US11842828B2 (en) | 2019-11-18 | 2023-12-12 | C3 Nano, Inc. | Coatings and processing of transparent conductive films for stabilization of sparse metal conductive layers |
EP3875511A1 (de) * | 2020-03-05 | 2021-09-08 | Covestro Deutschland AG | Hochtemperatur-vernetzerdispersion |
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US8373004B2 (en) | 2007-03-27 | 2013-02-12 | Basf Se | Method for producing colorless isocyanurates of diisocyanates |
US8969452B2 (en) | 2008-12-17 | 2015-03-03 | Basf Se | Quick-drying coating compounds |
US8889780B2 (en) | 2008-12-17 | 2014-11-18 | Basf Se | Quick-drying coating compounds |
DE102010001956A1 (de) | 2009-02-17 | 2010-08-19 | Basf Se | Verfahren zur Herstellung wasseremulgierbarer Polyurethanacrylate |
WO2010108863A1 (de) | 2009-03-24 | 2010-09-30 | Basf Se | Strahlungshärtbare hochfunktionelle polyurethan(meth)acrylate |
US9200108B2 (en) | 2009-03-24 | 2015-12-01 | Basf Se | Radiation-curing, highly functional polyurethane (meth)acrylate |
DE102010003308A1 (de) | 2009-03-31 | 2011-01-13 | Basf Se | Strahlungshärtbare wasseremulgierbare Polyurethan(meth)acrylate |
WO2013060614A1 (de) | 2011-10-28 | 2013-05-02 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
WO2014063920A1 (de) | 2012-10-24 | 2014-05-01 | Basf Se | Strahlungshärtbare wasserdispergierbare polyurethan(meth)acrylate |
US9752056B2 (en) | 2012-10-24 | 2017-09-05 | Basf Se | Radiation-curing, water-dispersible polyurethane (meth)acrylates |
US9963538B2 (en) | 2013-01-07 | 2018-05-08 | Basf Se | Catalysts for polyurethane coating compounds |
US10131814B2 (en) | 2013-08-26 | 2018-11-20 | Basf Se | Radiation-curable water-dispersible polyurethane (meth)acrylates |
US10227504B2 (en) | 2013-09-25 | 2019-03-12 | Basf Se | Crosslinkers for coating compounds |
WO2015055591A1 (en) | 2013-10-16 | 2015-04-23 | Basf Se | Process for preparing water-emulsifiable polyurethane acrylates |
US10294392B2 (en) | 2013-10-16 | 2019-05-21 | Basf Se | Process for preparing water-emulsifiable polyurethane acrylates |
US10604675B2 (en) | 2014-03-12 | 2020-03-31 | Basf Se | Quick-drying, energy-elastic, scratch-resistant and stable coating compounds |
EP2808354A1 (de) | 2014-08-08 | 2014-12-03 | Basf Se | Schnelltrocknende, hart-elastische, kratzfeste und beständige Beschichtungsmassen |
WO2016096503A1 (en) | 2014-12-17 | 2016-06-23 | Basf Se | Radiation curable coating composition based on chain-extended and cross-linked polyurethanes |
US10584262B2 (en) | 2014-12-17 | 2020-03-10 | Basf Se | Radiation curable coating composition based on chain-extended and cross-linked polyurethanes |
WO2018065344A1 (de) | 2016-10-07 | 2018-04-12 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
EP3305824A1 (de) | 2016-10-07 | 2018-04-11 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
US11001730B2 (en) | 2016-10-07 | 2021-05-11 | Basf Se | Colour-stable curing compositions containing polyisocyanates of (cyclo)aliphatic diisocyanates |
WO2019016097A1 (de) | 2017-07-20 | 2019-01-24 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
EP3431521A1 (de) | 2017-07-20 | 2019-01-23 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
WO2019057539A1 (de) | 2017-09-20 | 2019-03-28 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
EP3336118A1 (de) | 2017-09-20 | 2018-06-20 | Basf Se | Farbstabile härterzusammensetzungen enthaltend polyisocyanate (cyclo)aliphatischer diisocyanate |
US11624003B2 (en) | 2017-09-20 | 2023-04-11 | Basf Se | Colour-stable curing compositions containing polyisocyanates of (cyclo)aliphatic diisocyanates |
WO2020012039A1 (en) | 2018-07-13 | 2020-01-16 | Miwon Austria Forschung Und Entwicklung Gmbh | Water-dispersible polyurethane (meth)acrylates for actinic radiation curable coatings |
WO2021151774A1 (en) | 2020-01-30 | 2021-08-05 | Basf Se | Color-stable curing agent compositions comprising water-dispersible polyisocyanates |
WO2022128925A1 (en) | 2020-12-18 | 2022-06-23 | Basf Se | Color-stable curing agent compositions comprising polyisocyanates of (cyclo)aliphatic diisocyanates |
WO2023280648A1 (en) | 2021-07-08 | 2023-01-12 | Basf Se | Polyisocyanate-containing formulations |
Also Published As
Publication number | Publication date |
---|---|
ES2384383T3 (es) | 2012-07-04 |
EP1599524B1 (de) | 2012-05-23 |
EP1599524A1 (de) | 2005-11-30 |
US7041768B2 (en) | 2006-05-09 |
CN1753921A (zh) | 2006-03-29 |
JP2006519890A (ja) | 2006-08-31 |
US20040229047A1 (en) | 2004-11-18 |
CA2516835A1 (en) | 2004-09-10 |
KR20050102145A (ko) | 2005-10-25 |
RU2005129539A (ru) | 2006-03-27 |
MXPA05008970A (es) | 2005-11-04 |
DE10308105A1 (de) | 2004-09-09 |
PL378200A1 (pl) | 2006-03-20 |
KR101153543B1 (ko) | 2012-06-11 |
JP4705013B2 (ja) | 2011-06-22 |
CN100335520C (zh) | 2007-09-05 |
HK1086581A1 (en) | 2006-09-22 |
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