A low odor aqueous quick-drying coating composition is described. The composition is a water based latex coating composition that includes a binder component with at least one copolymer and a neutralizing component. The composition dries in less than about 10 minutes at a temperature between about 5° C. to 35° C. and a relative humidity between about 30% and 95% and has a pH of 9.5 or less. The coating composition may be used for applications such as road marking and coating exterior surfaces, where use of a low-odor coating is desired.

The invention relates to a reflective composite material (V) having a carrier (1) consisting of aluminum, having an interlayer (2) which is present on a side (A) on the carrier (1) and is composed of a varnish, and having an optically active multilayer system (3) which has been applied atop the interlayer (2) and consists of at least three layers, wherein the upper layers (4, 5) are dielectric and/or oxidic layers, and the lowermost layer (6) is a metallic layer which consists of silver and forms a reflection layer (6). To increase the aging resistance, it is proposed that the interlayer (2) comprise an organic layer-forming varnish or be formed entirely from such a varnish that has been cured in an ionic photopolymerization and crosslinking or that has been cured after UV irradiation by free-radical photopolymerization and crosslinking.

A system for applying a first and a second coating composition is provided herein. The system includes a first high transfer efficiency applicator defining a first nozzle orifice and a second high transfer efficiency applicator defining a second nozzle orifice. The system further includes a first reservoir a second reservoir. The system further includes a substrate defining a first target area and a second target area. The first high transfer efficiency applicator is configured to receive the first coating composition from the first reservoir and configured to expel the first coating composition through the first nozzle orifice to the first target area of the substrate. The second high transfer efficiency applicator is configured to receive the second coating composition from the second reservoir and configured to expel the second coating composition through the second nozzle orifice to the second target area of the substrate.

Provided is a method for forming a multilayer coating film that is capable of forming a multilayer coating film that has pearly luster with excellent blackness and high reflectance of an infrared laser. The method for forming a multilayer coating film includes applying a carbon black pigment-containing first colored paint (X) to form a first colored coating film; applying a second colored paint (Y) containing a pigment (A) that is a transparent or translucent base material coated with a metal oxide to form a second colored coating film; applying a clear paint (Z) to form a clear coating film; and heating the first colored coating film, the second colored coating film, and the clear coating film separately or simultaneously to cure these films, wherein the first colored coating film has a lightness L*(45°) of less than 20, the multilayer coating film has a lightness L*(45°) of less than 20, and the multilayer coating film has a diffuse reflectance of 10% or more at a wavelength of 905 nm.

Disclosed are methods of forming a method for forming spectrally selective nanoparticles, the method comprising: heating a growth solution comprising a zinc salt precursor, zinc oxide seed particles, and one or more dopants in a non-pressurized hydrothermal reactor to a first temperature under agitative conditions for a reaction period; cooling the reactor to a second temperature less than the first temperature for a cooling period to form a precipitate of recrystallized doped zinc oxide nanoparticles dispersed in a suspension; and separating and collecting the recrystallized nanoparticles from the suspension, wherein the collected nanoparticles exhibit a spectral selectivity in the atmospheric window.

Also disclosed herein are comprising a population of polycrystalline zinc oxide nanoparticles doped with one or more dopants, wherein the population of nanoparticles is spectrally selective in the atmospheric window.

A method of forming a coating composition for application to a substrate utilizing a high efficiency transfer applicator. The method includes identifying at least one of an Ohnesorge number (Oh) for the coating composition, a Reynolds number (Re) for the coating composition, or a Deborah number (De) for the coating composition. The method includes obtaining at least one of a viscosity (η) of the coating composition, a surface tension (σ) of the coating composition, a density (ρ) of the coating composition, a relaxation time (λ) of the coating composition, a nozzle diameter (D) of the high efficiency transfer applicator, or an impact velocity (v) of the high efficiency transfer applicator. The method includes forming the coating composition having at least one of the viscosity (η), the surface tension (σ), or the density (ρ). The coating composition is configured to be applied to the substrate utilizing the high efficiency transfer applicator having at least one of the nozzle diameter (D) or the impact velocity (v).

A coating composition for application to a substrate utilizing a high transfer efficiency applicator is provided herein. The coating composition includes monomeric, oligomeric, or polymeric compounds having a number average molecular weight of from about 400 to about 20,000 and having a free-radically polymerizable double bond. The coating composition further includes a photo initiator. The coating composition has an Ohnesorge number (Oh) of from about 0.01 to about 12.6. The coating composition has a Reynolds number (Re) of from about 0.02 to about 6,200. The coating composition has a Deborah number (De) of from greater than 0 to about 1730.

A coating composition for application to a substrate utilizing a high transfer efficiency applicator. The coating composition includes a carrier and a binder comprising an elastomeric resin in an amount of at least 50 weight %, wherein the elastomeric resin has an Elongation to Break of at least 500% according to DIN 53 504. The coating composition has an Ohnesorge number (Oh) of from about 0.01 to about 12.6. The coating composition has a Reynolds number (Re) of from about 0.02 to about 6,200. The coating composition has a Deborah number (De) of from greater than 0 to about 1730.

A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.

A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment different from the infrared reflective pigment. When the coating composition is cured to form a coating and exposed to radiation comprising fluorescence-exciting radiation, the coating has a greater effective solar reflectance (ESR) compared to the same coating exposed to the radiation comprising fluorescence-exciting radiation except without the infrared fluorescent pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of reducing temperature of an article includes applying the coating composition to at least a portion of the article.