WO2012032113A1 - Erosionsschutz-beschichtungszusammensetzungen - Google Patents
Erosionsschutz-beschichtungszusammensetzungen Download PDFInfo
- Publication number
- WO2012032113A1 WO2012032113A1 PCT/EP2011/065545 EP2011065545W WO2012032113A1 WO 2012032113 A1 WO2012032113 A1 WO 2012032113A1 EP 2011065545 W EP2011065545 W EP 2011065545W WO 2012032113 A1 WO2012032113 A1 WO 2012032113A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition according
- isocyanate
- composition
- polyol component
- component
- Prior art date
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 11
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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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
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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
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
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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
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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
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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
- 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
- C08L75/08—Polyurethanes from polyethers
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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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C08L2203/00—Applications
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2312/00—Crosslinking
Definitions
- the present invention relates to compositions, a process for their preparation, their use as coating compositions, multicoat systems comprising these compositions, processes for the preparation of the multicoat systems and their use.
- the invention relates to substrates which are coated with the composition or with the multi-layer coating.
- Erosion-resistant surfaces are increasingly required for special functions of corresponding goods.
- these are surfaces which, in terms of environmental conditions, are capable of high speeds with simultaneous exposure to eroding substances, e.g. Solids or liquids exposed.
- eroding substances e.g. Solids or liquids exposed.
- an eroding stress is experienced by objects which, on the one hand, are themselves moved, such as rotor blades (from wind turbines or helicopters), aircraft and land vehicles (such as aircraft, rail vehicles, automobiles) and ships.
- objects may be considered around which or through which movement takes place, e.g. Structures (such as façade elements, electricity pylons or wind turbines or transmission towers) or pipelines.
- erosions may be caused by liquid or solid substances which are themselves or dispersed in another gaseous or liquid medium (e.g., air or water) and are moved through that medium (e.g., sands, rain). When hitting objects an eroding force is exerted on them. Examples of this are the erosion by rain or drift sand on rotor blades or in the area of the slats of airplanes.
- another gaseous or liquid medium e.g., air or water
- the layer thickness of the coating can be increased. For reasons of weight, however, this is not desirable in many applications, for example in aircraft construction or rotor blade construction of wind turbines.
- resins with aromatic resin components such as epoxy resins can be used in the coating compositions. Due to the aromatic molecular constituents, the resulting coatings provide high wear resistance but significantly reduced UV resistance.
- Wear resistance can also be improved with these binder classes, but there are limiting factors in use on large components such as rotor blades or aircraft components.
- large components such as rotor blades or aircraft components.
- UV resins there is a limited choice of pigments, since these absorption maxima can have curing wavelengths and the layer thicknesses are limited as a function of the pigmentation levels.
- system engineering challenges of oxygen inhibition of UV initiators When using temperature-induced lacquers (eg, polyurethane-based stoving lacquers), there is, above all, the limitation with regard to the stoving temperatures in relation to the plant dimensioning of large components.
- the coatings used today in rotor blade or aircraft construction do not provide erosion protection for future challenges, for example in rotor blade construction of wind turbines, especially in wind-laden locations (offshore) or in aircraft construction (weight reduction with the same or better performance). It is therefore necessary to meet the demand for coatings which offer a significant improvement in erosion resistance and thus minimize costly maintenance and repair intervals.
- films are also known as erosion protection agents. These are, for example, polyurethane elastomer films which are provided with acrylates as an adhesive.
- the films are difficult to process, especially in the case of larger or multiply curved components such as aircraft or rotor blade components of wind turbines. Such components can not be uniformly provided with a film.
- the adhesive of the films often has insufficient durability compared to coatings. This can lead to a decrease in erosion stability.
- compositions should be provided which, as anti-erosion coatings, have markedly improved erosion resistance than erosion protection coatings of the prior art.
- the compositions should offer good resistance to the general weathering influences (for example UV radiation, moisture, etc.).
- the coatings should be resistant to equipment such as gear oils.
- the coating compositions should be easy to prepare and easy to process even for large components such as rotor blades of wind turbines or aircraft.
- compositions have been found which do not have the disadvantages of the prior art.
- compositions found that have a high erosion stability in coatings. Accordingly, compositions have been found which
- polyol component having a hydroxyl group content of from 9 to 15 weight percent, based on the total weight of the polyol component, wherein the polyol component contains at least one polyol selected from the group consisting of polyether polyols, polyester polyols, polyether polyester polyols, and
- At least one isocyanate component having an isocyanate group content of 10 to 15 wt .-%, based on the total weight of the isocyanate component, wherein the isocyanate component at least one di- or
- the OH groups of the polyol component and the isocyanate groups of the isocyanate component are preferably used in an equivalence ratio of 1: 0.9 to 1: 1 .5.
- the equivalence ratio is preferably 1: 0.95 to 1: 1 .3. It is particularly preferred that the OH groups of the polyol component are not in excess in relation to the isocyanate groups of the isocyanate component. Very particular preference is given to a ratio of 1: 1 to 1: 1 .2, in particular it is 1: 1.
- the composition may contain further binders, pigments, solvents, molecular sieves, fillers, dyes, catalysts and additives and auxiliaries. These are different from the components of the polyol component and the isocyanate component. They may be mixed with both the polyol and the isocyanate components, but preferably with the polyol component.
- the polyol component contains at least one polyol which is selected from the group consisting of polyether polyols, polyester polyols and Polyetherpolyesterpolyols.
- Polyether polyester polyols are polyols containing both polyester and polyether structures.
- the polyol is selected from polyether polyols and polyester polyols. Particular preference is given to using a mixture of polyethers and polyesters.
- Suitable polyether polyols are, for example, polyoxyethylenes or polyoxypropylenes.
- the polyether polyols, polyester polyols and polyether polyester polyols may contain dimer fatty acids. These polyols can be prepared, for example, via esterification of dimeric fatty acids with polyhydric alcohols and subsequent polymerization. Amines, for example 3,5-diethyl-2,4-toluenediamine or 3,5-dimethyl-2,6-toluenediamine, may be used as initiators of this condensation reaction. At a desired OH content, the reaction is stopped.
- polyether polyols containing polyfunctional polyols, polyester polyols and polyether polyester polyols can be obtained by epoxidation of dimer fatty acids, subsequent reaction with polyhydric alcohols and / or carboxylic acids and subsequent polymerization (Stoye / Freitag: Lackharze, Carl Hansa Verlag Kunststoff and Vienna 1996, ISBN 3-446- 17475-3 pages 204-210 and pages 377-383).
- Suitable dimer fatty acids are derived, for example, from natural oils such as soybean oil, rapeseed oil, castor oil, sunflower oil and palm oil.
- the polyol component may contain other polyols such as polylactones, polyacrylates and / or polyepoxides.
- the polyol component preferably contains at least 50% by weight, based on the total weight of the polyol component, of a polyol selected from the group consisting of polyether polyols, polyester polyols and polyether polyester polyols. Preference is given to 80% by weight, particularly preferably 90% by weight and very particularly preferably 100% by weight.
- the polyols of the polyol component may be straight-chain or branched. Preferably, the polyols are branched. Furthermore, the polyols of the polyol component may be saturated or unsaturated, with saturated polyols being preferred.
- the proportion of the polyol component, based on the total weight of the composition, is preferably 5 to 30 wt .-% and preferably 15 to 25 wt .-%.
- the sum of all constituents of the composition according to the invention is 100% by weight.
- the polyol component preferably contains OH groups in an amount of 10 to 12% by weight relative to the total weight of the polyol component.
- the polyol component preferably has an acid number of 0 to 3 mg KOH / g, based on the solids.
- the acid number is determined according to ISO 660.
- the hydroxyl content of the polyol component is preferably 9 to 13 wt .-%, based on the total weight of the polyol component.
- the hydroxyl content is to be determined by the hydroxyl value.
- the hydroxyl number is determined according to DIN 53240.
- the polyol component preferably has a solids content of 95 to 100 wt .-%.
- the solids content of the composition and its components is carried out according to DIN ISO 3251 with a weight of 1, 0 g with a test period of 60 min at a temperature of 125 ° C.
- the individual polyols of the polyol component may have a weight average molecular weight of 160 to 4000 g / mol, preferably 160 to 2000 g / mol.
- the polyol component has a weight average molecular weight of 160 to 800 g / mol. Preference is given to a weight-average molecular weight of from 180 to 600 g / mol, particularly preferably from 200 to 500 g / mol.
- the determination of the molecular weight of all compounds described is - unless otherwise stated - by means of GPC analysis with THF (+0.1 wt .-% acetic acid, based on the THF weight) as eluent (1 mL / min) on a styrene - Divinylbenzene column combination. The calibration is performed with polystyrene standards.
- the isocyanate component contains at least one di- or polyisocyanate-terminated polylactone prepolymer.
- the prepolymer is terminated with at least one diisocyanate or at least one polyisocyanate.
- the prepolymer is diisocyanate-terminated.
- the terminal NCO groups may be completely, partially or not blocked. Preferably, they are not blocked.
- Blocked isocyanate compounds can be obtained from isocyanates by reaction with a blocking agent.
- Suitable blocking agents for isocyanates are all commonly used blocking agents, such as the corresponding alcohols, amines, ketones, pyrazoles and others, preferably blocking agents having a deblocking temperature below 60.degree.
- the prepolymer has a weight-average molecular weight of 500 to 4000 g / mol, preferably from 1000 to 3000 g / mol and particularly preferably from 1800 to 2200 g / mol. It can be prepared from lactones and at least one di- or polyol as a starter molecule. Preference is given to diols, in particular diols having terminal OH groups. Suitable di- or polyols are neopentyl glycol, ethylene glycol and trimethylolpropane.
- Suitable lactones are oxirane-2-o, ⁇ -propiolactone, ⁇ -butyrolactone, ⁇ -valerolactone, ⁇ -caprolactone or methyl- ⁇ -caprolactone, preferably ⁇ -butyrolactone and ⁇ -caprolactone, preferably ⁇ -caprolactone.
- polybutyrolactone and polycaprolactone prepolymers are preferred polylactone prepolymers.
- the prepolymer may be linear or branched.
- the prepolymer is linear.
- the prepolymer may be saturated or unsaturated, with saturated prepolymers being preferred.
- the prepolymer is preferably liquid at 20 ° C and 1013 hPa.
- the proportion of di- or polyisocyanate-terminated polylactone prepolymer is preferably at least 50% by weight, based on the total weight of the isocyanate component.
- the proportion is 50 to 99 wt .-%, particularly preferably 70 to 90 wt .-%.
- the polylactone prepolymer has a weight average molecular weight of 500 to 4000 g / mol.
- the proportion of NCO groups in the prepolymer is preferably from 6 to 12% by weight, based on the total weight of the prepolymer. Preferably, the proportion is 7 to 10 wt .-%, particularly preferably 8 to 9 wt .-%.
- the isocyanate component may further contain at least one other isocyanate compound other than the prepolymer.
- the isocyanate groups of these compounds may be completely, partially or not blocked. Preferably, they are not blocked.
- Suitable further isocyanate compounds are the aromatic and aliphatic isocyanate compounds customarily used in the paint industry.
- di- or polyisocyanate compounds are used.
- the proportion of NCO groups of the other isocyanate compounds is preferably from 15 to 30 wt .-%, based on the total weight of the further isocyanate compound. Preferably, the proportion is 20 to 25 wt .-%.
- Possible aromatic isocyanate compounds may, for example, 2,4-toluene diisocyanate and 2,6-toluene diisocyanate (TDI), 4,4-diisocyanatodiphenylmethane (MDI), p-phenylene diisocyanate (PPDI) or their oligomers, wherein the oligomers are preferred.
- Suitable aliphatic diisocyanates are, for example, 1,6-hexamethylene diisocyanate, (HDI), 1,3-cyclohexyl diisocyanate, 1,4.
- Cyclohexyl diisocyanate (CHDI), diphenylmethane diisocyanates (H (12) MDI), 2,2,4- and / or 2,4,4-trimethyl, 6-hexamethylene diisocyanate, dodecamethylene diisocyanate, 1,4-diisocyanatocyclohexane, 1-isocyanato-3,5 , 5-trimethyl-3-isocyanato-methylcyclohexane (IPDI) or their oligomers, the oligomers being preferred.
- Oligomers include isocyanurates and / or uretdiones.
- isocyanate polymers can be used as further isocyanate compounds. These can be obtained from the reaction of the aforementioned aromatic and aliphatic isocyanate compounds or their oligomers with resins containing OH, NH or SH groups.
- the isocyanate polymers preferably contain less than 0.1% by weight of free OH, NH or SH groups, based on the total weight of the isocyanate polymers.
- the isocyanate polymer particularly preferably contains no free OH, NH or SH groups.
- the further isocyanate compound is preferably present in a proportion of 1 to 50 wt .-%, preferably 10 to 30 wt .-%, based on the total weight of the isocyanate component.
- the isocyanate component preferably contains isocyanate groups at a level of from 10 to 13% by weight relative to the total weight of the isocyanate component.
- the proportion of the isocyanate component in the composition of the invention is preferably up to 70 wt .-%, based on the total weight of Composition. Preference is given to 40 to 63 wt .-% and particularly preferably 47 to 60 wt .-%. Very particular preference is given to a proportion of 47 to 53% by weight.
- a very preferred composition of the present invention contains as the polyol component a mixture of polyether and polyesters, wherein the proportion of the polyol component is 15 to 25 wt .-%, based on the total weight of the composition.
- the polyol component contains OH groups in a proportion of 10 to 12 wt .-% relative to the total weight of the polyol component.
- the isocyanate component of this very preferred composition a mixture of a diisocyanate-terminated polycaprolactone prepolymer and another isocyanate compound is used, wherein the proportion of the diisocyanate-terminated polycaprolactone prepolymer 70 to 90 wt .-%, based on the total weight of the isocyanate component, and Proportion of isocyanate 47 to 53 wt .-%, based on the total weight of the composition is.
- the isocyanate component contains isocyanate groups in a proportion of 10 to 13% by weight relative to the total weight of the isocyanate component.
- composition according to the invention may contain further binders with functional groups and at least one crosslinking agent with a functionality complementary to the functional groups of the binder.
- complementary functionalities are in particular (carboxyl / epoxy), (amine or thiol / alkoxylated amino groups or transesterifiable groups), ((meth) acryloyl / CH-acide or amine or thiol), (carbamate / alkoxylated amino groups) and ((meth ) acryloyl / (meth) acryloyl).
- the binders may have ethylenically unsaturated double bonds. These may be contained, for example, in acrylate, styrene or polyurethane polymers.
- alkoxysilane-containing polymers may be included as further binders.
- epoxy- or amino-modified alkoxysilane-containing polymers particularly preferably contain di- and / or trialkoxysilane groups.
- Preferred further binders contain ethylenically unsaturated double bonds.
- crosslinking agents such as aminoplast resins or tris (alkoxycarbonylamino) -1, 3,5-triazines (TACT) are not included in the composition.
- the further binders can be present in a proportion of 5 to 30% by weight, based on the total weight of the composition, in the composition according to the invention.
- composition of the invention may contain pigments.
- the composition contains from 2 to 20% by weight, based on the total weight of the composition, of at least one pigment. Preference is given to compositions which contain from 5 to 10% by weight of pigments.
- Pigments are powdery or platelet-shaped colorants, which, in contrast to dyes, are insoluble in the surrounding medium (cf Rompp Lacke and Druckmaschine, Georg Thieme Verlag Stuttgart / New York 1998, page 451, keyword "pigments").
- the pigment is preferably selected from the group consisting of organic and inorganic, coloring, effect-imparting, coloring and effect-imparting, magnetically shielding, electrically conductive, corrosion-inhibiting, fluorescent and phosphorescent pigments.
- the color and / or effect pigments are preferably used.
- the composition may contain as solvent water or organic solvents. Preferably, a maximum of 5 wt .-%, preferably at most 2 wt .-% of solvent, based on the total weight of the composition, contained. Particularly preferred are compositions that are free of solvents. molecular sieve
- the composition according to the invention may contain one molecular sieve or several molecular sieves.
- Molecular sieve is the name for natural or synthetic zeolites. They have a relatively high internal surface area (about 600 to 700 m 2 / g) and uniform pore diameter. This results in a relatively strong adsorption capacity.
- the composition contains from 1 to 10% by weight, based on the total weight of the composition, of at least one molecular sieve.
- Suitable molecular sieves have a pore size of 2 to 10, preferably 3 to 4 angstroms. For example, highly porous aluminum silicates having a pore size of 3 angstroms can be used.
- the composition according to the invention may contain organic and inorganic fillers. Suitable fillers are e.g. Talc, calcium carbonates, barium sulphates and silicas. Preferred fillers are calcium carbonates, barium sulphates and silicon dioxides. Preferably, the composition contains from 20% to 50% by weight, based on the total weight of the composition, of at least one filler.
- Suitable fillers are e.g. Talc, calcium carbonates, barium sulphates and silicas.
- Preferred fillers are calcium carbonates, barium sulphates and silicon dioxides.
- the composition contains from 20% to 50% by weight, based on the total weight of the composition, of at least one filler.
- the composition of the invention may contain dyes.
- Dyes are organic, black or colored substances soluble in the surrounding medium (see Rompp Lacke and printing inks, page 221, keyword "colorant").
- the composition contains 0.1 to 1, 0 wt .-%, based on the total weight of Composition, at least one dye
- the composition of the invention may contain catalysts for the reaction of hydroxyl with isocyanate groups.
- the composition contains from 0.05% to 2% by weight, based on the total weight of the composition, of at least one catalyst.
- the Composition according to the invention 0.1 to 1 wt .-%, each based on the total weight of the composition, at least one catalyst.
- Suitable catalysts are metal catalysts such as tin, molybdenum, zirconium or zinc catalysts and amine catalysts such as 2- (2-dimethylamino-ethoxy) ethanol.
- composition according to the invention may contain auxiliaries and additives which are different from the abovementioned substances.
- the composition contains from 2 to 5% by weight, based on the total weight of the composition, of at least one auxiliary or additive.
- auxiliaries or additives are the known auxiliaries and additives commonly used in the paint industry.
- auxiliaries and additives are customary auxiliaries and additives, such as e.g. Antioxidants, deaerating agents, wetting agents, dispersants, emulsifiers, rheology aids such as leveling agents, thickeners, anti-sagging agents and thixotropic agents, waxes and waxy compounds, slip additives, reactive diluents, anti-caking agents, siccatives, biocides, additives for improving surface wetting, additives for improving surface smoothness, matting agents, radical scavengers , Light stabilizers, preferably UV absorbers having an absorption maximum below 370 nm and / or sterically hindered amines (HALS), corrosion inhibitors, flame retardants or polymerization inhibitors, as described in the book "Lackadditive” by Johan Bielemann, Wiley-VCH, Weinheim, New York, 1998.
- HALS sterically hindered amines
- the preferred auxiliaries and additives are rheological aids, deaerating agents, wetting agents, dispersants, UV absorbers and free-radical scavengers
- Particularly preferred auxiliaries and additives are UV absorbers, wetting agents and rheological aids.
- the coating of the erosion protection coating according to the invention with surface effects such as pollution and fouling reduction, aerodynamic improvement (Flow promoting surfaces such as riblets) or easy-to-clean properties are equipped.
- composition according to the invention is preferably prepared by the process according to the invention for the preparation of the composition according to the invention.
- the composition can be prepared by mixing and optionally homogenizing at least one polyol component with at least one isocyanate component. Preferably, they are mixed together in the above-mentioned mixing ratios and optionally homogenized.
- compositions are used as a coating agent.
- the composition is used as an erosion control coating agent.
- the coating composition is preferably used for producing an erosion protective layer in multicoat paint systems.
- composition according to the invention can be used as original equipment manufacturer (OEM) lacquer or as a refinish lacquer.
- OEM original equipment manufacturer
- Another object of the invention is a multi-layer coating comprising at least one coating of the composition according to the invention.
- the multi-layer coating additionally comprises at least one primer.
- the coating of the composition according to the invention can itself function as topcoat (outermost coating) in the multicoat system of the invention. Furthermore, the coating of the composition according to the invention with at least one further lacquer (hereinafter referred to as topcoat be painted), wherein the coating of the further paint acts as a top coat.
- topcoats all commonly used solvent-containing or aqueous pigmented coating compositions are suitable.
- the topcoats used can be curable thermally and / or by means of radiation, in particular by means of IR radiation.
- the topcoats usually contain at least one binder with functional groups and at least one crosslinker with a functionality complementary to the functional groups of the binder.
- complementary functionalities are in particular (carboxyl / epoxy), (amine or thiol or hydroxyl / blocked or free isocyanate or alkoxylated amino groups or transesterifiable groups), ((meth) acryloy / CH-acid or amine or hydroxyl or thiol), ( Carbamate / alkoxylated amino groups) and ((meth) acryloyl / (meth) acryloyl).
- topcoats based on polyurethane resins and / or polyacrylate resins and / or polyester resins, preferably with hydroxyl, amino, carbamate, carboxyl, (meth) acryloyl and / or thiol groups in combination with the corresponding crosslinkers, in particular in combination, are used with isocyanates.
- the topcoats contain customary auxiliaries and additives, such as catalysts for crosslinking, defoamers, adhesion promoters, additives for improving substrate wetting, rheology agents, waxes, leveling agents, light stabilizers, preferably the UV absorbers described above having an absorption maximum below 370 nm and / or HALS, corrosion inhibitors, biocides, flame retardants or polymerization inhibitors, as described in detail in the book "Lackadditive” by Johan Bielemann, Wiley-VCH, Weinheim, New York, 1998. Suitable pigmented coating compositions are described, for example, in German patent application DE-A-2006053776.
- Another object of the present invention is a process for the preparation of the multi-layer coating according to the invention.
- at least one composition according to the invention is applied to a substrate.
- At least one further finish of a topcoat can be applied to the finish of the composition according to the invention.
- the topcoat can be applied wet on wet.
- the coatings of the composition of the invention and the topcoat can be cured together.
- the topcoat and the composition of the present invention can be applied by conventional methods such as spraying (e.g., airless, airmix, compressed air, hot spray, or induction blending), rolling, rolling, brushing, or through a cartridge.
- spraying e.g., airless, airmix, compressed air, hot spray, or induction blending
- rolling rolling, brushing
- the topcoat and the composition according to the invention are sprayed, rolled or applied via a cartridge.
- the coating of the composition of the invention is preferably applied in a dry film thickness of 100 to 1000 ⁇ .
- Preferred is a dry film thickness of 200 to 800 ⁇ , more preferably 300 to 600 ⁇ .
- the finishes of the topcoat may each have a dry film thickness of 80 to 300 ⁇ , preferably from 80 to 150 ⁇ .
- the coating of the composition according to the invention and optionally the coating of the topcoat can be cured thermally and / or actinic.
- the curing is carried out thermally, preferably at a temperature of up to 60 ° C.
- Particularly preferred is a temperature range of 15 to 60 ° C, especially from 18 to 50 ° C.
- the thermal curing is preferably carried out for a time of 30 to 90 minutes at 40 ° C to 60 ° C or 4 to 6 hours at 15 ° C to 25 ° C. Full cure is usually given at 20 ° C after about seven days. The expert then speaks of the "formation of the final properties".
- the multicoat paint systems according to the invention can be applied to any desired substrates.
- the layer of the composition according to the invention acts as erosion protection layer.
- the substrates can be constructed from a wide variety of materials and combinations of materials. Preferably, they consist of metals such as steel or aluminum, plastics which may be glass fiber (GRP), aramid fiber (AFK), carbon fiber reinforced (CFRP) or for example with hemp or sisal natural fiber reinforced and / or glass, more preferably of metal and / or Plastic.
- Suitable substrates are, for example, those which are particularly exposed to rain or sand erosion.
- rotor blades, aircraft or land vehicles, ships, structures or pipelines can be considered.
- Preferred substrates are rotor blades of wind turbines, helicopters or propellers and aircraft such as aircraft.
- rotor blades of wind turbines and aircraft are suitable substrates.
- the composition according to the invention is preferably applied to airplanes in the region of the slats or, in the case of rotor blades, at the seam of composite rotor blade components for cost and weight minimization.
- the substrates are usually provided with a primer which is applied by conventional methods such as spraying (e.g., airless, airmix, compressed air, hot spraying or induction blending), rolling, rolling or brushing.
- spraying e.g., airless, airmix, compressed air, hot spraying or induction blending
- rolling rolling or brushing.
- putty layers and pore fillers can be applied before at least one composition according to the invention and optionally subsequently at least one topcoat are applied.
- Another object of the invention is the use of multi-layer coatings of the invention for coating substrates.
- the coating is used especially as erosion protection coating.
- it is the above-mentioned substrates.
- Another object of the invention are the above-mentioned substrates, which are coated with 5 of the composition of the invention or the multi-layer coating according to the invention.
- the composition according to the invention preferably forms the erosion protection layer of a multicoat system.
- test methods can be used to test the rain and sand erosion resistance of the coatings.
- eroding good is moved through the erosion medium or the eroding good is established and flows around the erosion medium.
- a fixed specimen for example, by a high-pressure water jet technique, which z. B. is used in water jet cutting, to be tested.
- the erosion effect is controlled by water pressure, distance to the workpiece and nozzle size and type.
- the effect can be further enhanced.
- sandblasting or steam jetting is conceivable, whereby the erosion effect can also be varied and adapted to the real conditions by the applied pressure, nozzle size and distance to the workpiece.
- the eroding material is attached to a rotor or disc and moved through the generated radial velocity through a curtain of drops of water or mixtures of salt or sand.
- moving test specimens can be introduced into a stream of air at a predefined angle.
- the erosion resistance again corresponds to the time until the first appearance of the substrate.
- the Shore hardness is the determination of the indentation hardness of elastomers (A) and duromers (D). It can be tested according to DIN EN ISO 868.
- the coatings of the composition according to the invention preferably have a Shore hardness of A 50 to A 90. As a result, flexible to tough elastic coatings are obtained. A Shore hardness of A 60 to A 80 is preferred.
- the tests are carried out in accordance with the ASTM G 73 standard. They are carried out on an in-house rain erosion test bench. The test specimens are thrown through a drop curtain at specific time intervals (15 minutes) at a defined speed (140 m / s). The amount of rain is also kept constant by the applied flow rate (30 l / h). The droplet sizes of the applied "rain” are on average 5-6 mm. The tests are carried out at a temperature of 20 to 25 ° C.
- the evaluation is carried out visually and is documented by means of a photo
- the erosion resistance corresponds to the time until the first appearance of the substrate .
- the coatings were applied with a dry film thickness of about 300 ⁇ on a primed with a pore filler epoxy resin test specimens and stored for 7 days at a temperature of 20 to 25 ° C. Shore hardness
- Shore hardness is determined according to DIN EN ISO 868.
- the composition according to the invention has an erosion resistance which is up to three times higher under the abovementioned conditions.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180043218.XA CN103080174B (zh) | 2010-09-10 | 2011-09-08 | 防侵蚀保护的涂层组合物 |
DK11757820.3T DK2614097T3 (en) | 2010-09-10 | 2011-09-08 | EROSION PROTECTION COATING COMPOSITIONS |
BR112013005675A BR112013005675A8 (pt) | 2010-09-10 | 2011-09-08 | composições de revestimento de proteção contra erosão |
KR1020137009055A KR101827592B1 (ko) | 2010-09-10 | 2011-09-08 | 내식성 코팅 조성물 |
EP11757820.3A EP2614097B1 (de) | 2010-09-10 | 2011-09-08 | Erosionsschutz-beschichtungszusammensetzungen |
PL11757820T PL2614097T3 (pl) | 2010-09-10 | 2011-09-08 | Kompozycje powłokowe zabezpieczające przed erozją |
JP2013527600A JP5980208B2 (ja) | 2010-09-10 | 2011-09-08 | 腐食保護性の被覆組成物 |
US13/821,388 US9221998B2 (en) | 2010-09-10 | 2011-09-08 | Erosion-resistant coating compositions |
ES11757820.3T ES2561084T3 (es) | 2010-09-10 | 2011-09-08 | Composiciones de recubrimiento protectoras contra la erosión |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010044935A DE102010044935A1 (de) | 2010-09-10 | 2010-09-10 | Erosionsschutz-Beschichtungszusammensetzungen |
DE102010044935.0 | 2010-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012032113A1 true WO2012032113A1 (de) | 2012-03-15 |
Family
ID=44653296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/065545 WO2012032113A1 (de) | 2010-09-10 | 2011-09-08 | Erosionsschutz-beschichtungszusammensetzungen |
Country Status (13)
Country | Link |
---|---|
US (1) | US9221998B2 (de) |
EP (1) | EP2614097B1 (de) |
JP (1) | JP5980208B2 (de) |
KR (1) | KR101827592B1 (de) |
CN (1) | CN103080174B (de) |
AR (1) | AR082936A1 (de) |
BR (1) | BR112013005675A8 (de) |
CL (1) | CL2013000365A1 (de) |
DE (1) | DE102010044935A1 (de) |
DK (1) | DK2614097T3 (de) |
ES (1) | ES2561084T3 (de) |
PL (1) | PL2614097T3 (de) |
WO (1) | WO2012032113A1 (de) |
Cited By (9)
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---|---|---|---|---|
EP2937368A1 (de) | 2014-04-24 | 2015-10-28 | BASF Coatings GmbH | Wässrige zweikomponenten-beschichtungszusammensetzungen und daraus hergestellte beschichtungen mit hoher erosionsbeständigkeit |
WO2016128166A1 (de) * | 2015-02-10 | 2016-08-18 | Basf Coatings Gmbh | Zweikomponenten-beschichtungszusammensetzungen und daraus hergestellte beschichtungen zur verbesserung der erosionsbeständigkeit |
WO2017207521A1 (en) | 2016-05-31 | 2017-12-07 | Akzo Nobel Coatings International B.V. | Two-component putty, method for coating a substrate with such putty, substrates coated with such putty and use for such putty for improving erosion resistance |
US10131812B2 (en) | 2012-05-15 | 2018-11-20 | 3M Innovative Properties Company | Polyurethane-based protective coatings for rotor blades |
US10233354B2 (en) | 2014-06-06 | 2019-03-19 | Akzo Nobel Coatings International B.V. | Selectively strippable coatings for metallic and plastic substrates |
US10370559B2 (en) | 2014-02-13 | 2019-08-06 | Basf Coatings Gmbh | Two-component coating compositions and high erosion resistance coatings produced therefrom |
US10519340B2 (en) | 2014-07-02 | 2019-12-31 | Basf Coatings Gmbh | Two-component coating compositions and coatings produced therefrom for improving erosion resistance |
WO2020007696A1 (en) | 2018-07-02 | 2020-01-09 | Akzo Nobel Coatings International B.V. | Two-component solvent-based coating composition, method for coating a substrate, coated substrate, and use of such coating composition for improving erosion resistance |
WO2020058301A1 (en) | 2018-09-20 | 2020-03-26 | Akzo Nobel Coatings International B.V. | Two-component coating composition, method for coating a substrate, coated substrate, and use of such coating composition for improving erosion resistance |
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DE102010055780A1 (de) | 2010-12-23 | 2012-06-28 | Basf Coatings Gmbh | Erosionsschutz-Beschichtungszusammensetzungen |
CN105555826B (zh) * | 2013-07-22 | 2020-02-28 | 巴斯夫欧洲公司 | 涂料体系 |
US10227459B2 (en) | 2014-10-30 | 2019-03-12 | Basf Coatings Gmbh | Fiber-plastics composites and composition for the production of these fiber-plastics composites |
JP6403160B2 (ja) * | 2015-04-10 | 2018-10-10 | 関西ペイント株式会社 | 塗料組成物 |
JP6728818B2 (ja) * | 2016-03-17 | 2020-07-22 | 日本製鉄株式会社 | 多層ポリウレタン被覆鋼材 |
JP2018089937A (ja) * | 2016-12-07 | 2018-06-14 | 化成工業株式会社 | 螺旋状層構造体、及び螺旋状層構造体の製造方法 |
CN106626183B (zh) * | 2016-12-23 | 2019-01-01 | 江苏玖尚新材料有限公司 | 一种保温保冷的管道外保护预制管壳 |
CN107189564A (zh) * | 2017-06-02 | 2017-09-22 | 太仓市勤红防腐设备有限公司 | 含石墨烯热缩防腐管的制备方法 |
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- 2011-09-08 KR KR1020137009055A patent/KR101827592B1/ko active IP Right Grant
- 2011-09-08 ES ES11757820.3T patent/ES2561084T3/es active Active
- 2011-09-08 EP EP11757820.3A patent/EP2614097B1/de active Active
- 2011-09-08 CN CN201180043218.XA patent/CN103080174B/zh active Active
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- 2011-09-08 BR BR112013005675A patent/BR112013005675A8/pt active Search and Examination
- 2011-09-08 WO PCT/EP2011/065545 patent/WO2012032113A1/de active Application Filing
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US10131812B2 (en) | 2012-05-15 | 2018-11-20 | 3M Innovative Properties Company | Polyurethane-based protective coatings for rotor blades |
US10370559B2 (en) | 2014-02-13 | 2019-08-06 | Basf Coatings Gmbh | Two-component coating compositions and high erosion resistance coatings produced therefrom |
EP2937368A1 (de) | 2014-04-24 | 2015-10-28 | BASF Coatings GmbH | Wässrige zweikomponenten-beschichtungszusammensetzungen und daraus hergestellte beschichtungen mit hoher erosionsbeständigkeit |
WO2015161952A1 (de) | 2014-04-24 | 2015-10-29 | Basf Coatings Gmbh | Wässrige zweikomponenten-beschichtungszusammensetzungen und daraus hergestellte beschichtungen mit hoher erosionsbeständigkeit |
US10093825B2 (en) | 2014-04-24 | 2018-10-09 | Akzo Nobel Coatings International B.V. | Aqueous two-component coating compositions and high erosion resistance coatings produced therefrom |
US10233354B2 (en) | 2014-06-06 | 2019-03-19 | Akzo Nobel Coatings International B.V. | Selectively strippable coatings for metallic and plastic substrates |
US10519340B2 (en) | 2014-07-02 | 2019-12-31 | Basf Coatings Gmbh | Two-component coating compositions and coatings produced therefrom for improving erosion resistance |
WO2016128166A1 (de) * | 2015-02-10 | 2016-08-18 | Basf Coatings Gmbh | Zweikomponenten-beschichtungszusammensetzungen und daraus hergestellte beschichtungen zur verbesserung der erosionsbeständigkeit |
US10214660B2 (en) | 2015-02-10 | 2019-02-26 | Basf Coatings Gmbh | Two-component coating compositions and coatings produced therefrom for improving erosion resistance |
WO2017207521A1 (en) | 2016-05-31 | 2017-12-07 | Akzo Nobel Coatings International B.V. | Two-component putty, method for coating a substrate with such putty, substrates coated with such putty and use for such putty for improving erosion resistance |
WO2020007696A1 (en) | 2018-07-02 | 2020-01-09 | Akzo Nobel Coatings International B.V. | Two-component solvent-based coating composition, method for coating a substrate, coated substrate, and use of such coating composition for improving erosion resistance |
WO2020058301A1 (en) | 2018-09-20 | 2020-03-26 | Akzo Nobel Coatings International B.V. | Two-component coating composition, method for coating a substrate, coated substrate, and use of such coating composition for improving erosion resistance |
Also Published As
Publication number | Publication date |
---|---|
US20130210997A1 (en) | 2013-08-15 |
BR112013005675A8 (pt) | 2016-10-11 |
JP2013544898A (ja) | 2013-12-19 |
CL2013000365A1 (es) | 2013-10-18 |
JP5980208B2 (ja) | 2016-08-31 |
AR082936A1 (es) | 2013-01-16 |
CN103080174B (zh) | 2015-05-27 |
CN103080174A (zh) | 2013-05-01 |
PL2614097T3 (pl) | 2016-05-31 |
DK2614097T3 (en) | 2016-02-22 |
EP2614097B1 (de) | 2015-11-18 |
ES2561084T3 (es) | 2016-02-24 |
KR20140001861A (ko) | 2014-01-07 |
US9221998B2 (en) | 2015-12-29 |
DE102010044935A1 (de) | 2012-03-15 |
KR101827592B1 (ko) | 2018-02-08 |
BR112013005675A2 (pt) | 2016-05-03 |
EP2614097A1 (de) | 2013-07-17 |
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