Abstract: Described herein is a method of using organic carboxylic acids having 1 to 10 carbon atoms in preparation of aqueous basecoat materials for the purpose of improving the adhesion of the aqueous basecoat materials to overbaked clearcoat materials. Also described herein is a method for producing a muilticoat paint system, where a basecoat material is applied directly to an overbaked clearcoat film.

Abstract: Provided herein is a pigmented aqueous basecoat material including an aqueous polyurethane-polyurea dispersion (PD) having polyurethane-polyurea particles present in the dispersion, an average particle size (volume average) of 40 to 2000 nm, and a gel fraction of at least 50 wt %. The polyurethane-polyurea particles, in each case in reacted form, include: at least one polyurethane prepolymer containing isocyanate groups and including anionic groups and/or groups which can be converted into anionic groups, and at least one polyamine comprising two primary amino groups and one or two secondary amino groups. The aqueous basecoat material includes a specific solvent composition. Also provided herein is a method of using basecoat materials including the dispersion (PD) and multicoat paint systems produced using the basecoat materials.

Abstract: A barrier film laminate (1) comprising an organic layer (4) that is situated in between two inorganic layers (2,3). The organic layer comprises submicron getter particles (5) at an amount between 0.01 and 0.9% by weight. The barrier film laminate can be used for encapsulating organic electronic devices such as OLEDs. The long term homogenous transparency makes this laminate in particular suited for protecting the light emitting side of an OLED.

Abstract: Described herein is a topcoat paint composition having an acrylic resin (A) and a melamine resin (B). The acrylic resin (A), relative to 100 parts by mass thereof, contains 30-40 parts by mass of 2-hydroxyethyl methacrylate, 10-30 parts by mass of styrene and 25 parts by mass or more of 2-ethylhexyl acrylate, and does not contain, relative to 100 parts by mass of the acrylic resin (A), more than 5 parts by mass of caprolactone compound(s) and/or hydroxy group-containing (meth)acrylates constituted of 7 or more carbons. The content of acrylic resin (A), relative to 100 parts by mass of total resin solids of the topcoat paint composition, is 45 parts by mass or more. The content of melamine resin (B), which does not contain complete alkyl ether type melamine resin, relative to the acrylic resin (A), as resin solids ratio, is acrylic resin (A)/melamine resin (B)=50/50 to 80/20.

Abstract: Provided herein is a cleaning composition including: from 20 to 90% by weight of dimethyl sulfoxide, from 5 to 30% by weight of at least one mineral oil (M), and from 5 to 50% by weight of at least one bipolar organic solvent (L). The ranges of proportions indicated are in each case based on the total weight of the cleaning composition. Also provided herein is a method of cleaning components by employing the cleaning composition, and also the cleaned components themselves.

Abstract: The present invention relates to a reaction product preparable by reacting (a) dimer fatty acids with (b) at least one compound (b) of the general structural formula (I) where R is a C3 to C6 alkylene radical and n correspondingly is selected such that the compound (b) possesses a number-average molecular weight of 120 to 445 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.6/1.7, and the resulting reaction product possesses a number-average molecular weight of 600 to 4000 g/mol and an acid number of less than 10 mg KOH/g. The invention further relates to a pigmented aqueous basecoat material which comprises this reaction product, and to the use of the reaction product in pigmented aqueous basecoat materials for improving adhesion. The present invention further relates to a method for producing multicoat paint systems, and also to the multicoat paint systems producible by means of said method.

Abstract: A deposition apparatus including a frame and a cylindrical drum with a cylindrical surface that extends along a central axis. The drum has a first and a second end surface, which extend perpendicularly to the central axis. The drum is rotatably mounted in the frame and includes a plurality of gas zones positioned on the cylindrical surface. The included gas channels extend within the drum. At least a number of the gas zones are in gas connection with at least two channels. The deposition apparatus includes closing elements for closing off all but one of the at least two channels with which a said gas zone is in gas connection so that the type of gas supplied to the various gas zones along the drum surface is programmable.

Abstract: Described herein is a method for producing a coating system on a substrate, including producing a cured basecoat film on the substrate by applying a pigmented aqueous basecoat material to the substrate and subsequently curing the basecoat material, wherein the basecoat material includes a polyether-based reaction product which is preparable by reaction of (a) at least one cyclic tetracarboxylic dianhydride having an aliphatic, aromatic or araliphatic radical X which bridges the two anhydride groups, with (b) at least one polyether of a general structural formula (II) in which R is a C3 to C6 alkylene radical and n is selected such that the polyether (b) possesses a number-average molecular weight of 500 to 5000 g/mol, and wherein components (a) and (b) are used in the reaction in a molar ratio of 0.7/2.3 to 1.6/1.7 and a resulting reaction product possesses an acid number of 5 to 80 mg KOH/g.

Abstract: Described herein is a method of using aromatic and/or araliphatic carboxylic acids in preparation of aqueous basecoat materials for the purpose of improving the adhesion of the aqueous basecoat materials to overbaked clearcoat materials. Also described herein is a method for producing a multicoat paint system, where a basecoat material is applied directly to an overbaked clearcoat film.

Abstract: Aqueous dispersions including multistage-prepared polymers of mixtures of olefinically unsaturated compounds are disclosed. The aqueous dispersions include at least one polyurethane containing olefinically unsaturated groups. Production and use of the aqueous dispersions, particularly in the field of automotive finishing, is disclosed. The disclosure further relates to an aqueous basecoat material including the multistage-prepared polymers, and also to a method for producing a multicoat paint system using the aqueous basecoat material.

Abstract: A double coating, curing method, cured coating, and kit are provided. A first layer of the double coating can be a first cure coating composition, which has a first hydroxy-functional resin, a first crosslinking agent, and a first catalyst. A second layer of a second cure coating composition can have a low hydrophilicity acrylic resin as a second hydroxy-functional resin, a second crosslinking agent, and a second catalyst. The first catalyst catalyzes crosslinking between the second hydroxy-functional resin and crosslinking agent, and not between the first hydroxy-functional resin and crosslinking agent. The second catalyst catalyzes crosslinking between the first hydroxy-functional resin and crosslinking agent, and not between the second hydroxy-functional resin and crosslinking agent. The first and/or second hydroxy functional resins can facilitate catalyst migration from one layer to the other. The separate compositions can be shelf-stable and/or the curing can occur at low temperature.

Abstract: Provided herein is a coating composition curable by condensation and/or addition reactions and including (A) at least one polymer as binder, (B) at least one crosslinking agent that can be reacted by condensation and/or addition reaction with component (A), and (C) at least one specific complex as catalyst. Also provided herein is a use of the complex for catalyzing the curing of coating compositions curable by condensation and/or addition reaction.

Abstract: Disclosed is a method for forming a multilayer coating film, including applying a first and second aqueous base coat, and a clear coat to an object, and thereafter simultaneously heating and curing the three-layer coating film. The first aqueous base coat includes a water-soluble or water-dispersible polyurethane resin having a glass transition temperature of ?20° C. or below and a weight average molecular weight of 30,000 to 500,000, and a crosslinkable resin having a weight average molecular weight of 600 or more. The first aqueous base coat-coated film has a breaking strength of 2050 N/cm2 or more and a loss tangent (tan ?) at ?20° C. of 0.075 or more. The migration amount of a melamine resin from the second aqueous base coat-coated film layer to the first aqueous base coat-coated film layer is within 3% by mass of a total resin solid content of the first aqueous base coat.

Abstract: The present disclosure relates to a method for transferring an embossed structure to at least a part of a surface of a coating (B2), using a composite (F1B1) composed of a substrate (F1) and of an at least partially embossed and at least partially cured coating (B1), where the coating (B2) and the coating (B1) of the composite (F1B1) have embossed structures which are mirror images of one another. Also described herein is a composite (B2B1F1). Further described herein is a use of this composite for producing an at least partially embossed coating (B2) in the form of a free film or a composite (B2KF2) composed of a substrate (F2), at least one adhesive (K), and the coating (B2).

Abstract: A heuristic process for color formula calculation of pigmented shades matched to a target shade, comprising the steps of i) using suitable calibration scales to compile an effect matrix for each of the ingredients included in a coloring system, ii) determining the optical materials parameters of the target shade, iii) selecting a suitable starting formula, iv) determining the color difference between the starting formula and the target shade, v) calculating a first matched color formula while taking account of the effect matrices, vi) repeating steps iv) and v) until an acceptable remaining color difference is reached, wherein the effect matrices are continually updated with shade-relevant information during ongoing operation, achieves an improvement on the existing processes for shade formula calculation, not only in terms of reducing the number of tinting steps needed but also in terms of minimizing the remaining color difference.

Abstract: Processes for producing flexible organic-inorganic laminates by atomic layer deposition are described, as well as barrier films comprising flexible organic-inorganic laminates. In particular, a process for producing a laminate including (a) depositing an inorganic layer by an atomic layer deposition process, and (b) depositing an organic layer comprising selenium by a molecular layer deposition process is provided.

Abstract: The present invention relates to aqueous dispersions comprising multistage-prepared polymers of olefinically unsaturated compounds and to the preparation and use thereof, in particular in the field of automobile coating.

Abstract: Provided herein is a pigmented aqueous basecoat material including a hydroxy-functional polyether-based reaction product that is prepared by a urethane group-forming reaction of: (a) at least one component including isocyanate groups that is prepared by the urethane group-forming reaction of at least one organic diisocyanate (a1) with at least one polyether (a2) of the general structural formula (I). R is a C3 to C6 alkylene radical, and n is selected accordingly such that a polyether (b) possesses a number-average molecular weight of 500 to 5000 g/mol, the components (a1) and (a2) being used in a molar ratio of 1.8/1.7 to 3.0/1.0, and the resulting component (a) having an isocyanate content of 0.5 to 10.0% with (b) at least one organic polyol.

Abstract: Cathodically depositable electrocoat materials comprising basic bismuth nitrate, further comprising at least one binder having reactive functional groups and at least one crosslinker containing the complementary reactive functional groups which are able to enter into thermal crosslinking reactions.

Abstract: Provided herein is a method for producing a multicoat paint system on a metallic substrate by producing a basecoat or a plurality of directly successive basecoats directly on a metallic substrate coated with a cured electrocoat system, producing a clearcoat directly on the one or the topmost of the plurality of basecoats, and subsequently jointly curing the one or the plurality of basecoats and the clearcoat, wherein at least one basecoat material used for producing the basecoats includes at least one aqueous dispersion which includes a polymer whose preparation includes successive radical emulsion polymerization of three mixtures of olefinically unsaturated monomers.