C09C2200/308

COATING FILM AND ARTICLE

Provided are a coating film that has high radio wave permeability and low haze in addition to excellent infrared light reflectivity and visible light permeability, and an article comprising such a coating film. The coating film is a coating film produced using a coating composition, wherein the coating composition comprises flat pigment particles and a resin component, the flat pigment particles comprise a laminate of dielectric layers and a metallic thin film layer, the dielectric layer and the metallic thin film layer are stacked alternately in the laminate, and the dielectric layers are outermost layers of the laminate, an aspect ratio of the flat pigment particles is 10 to 400, a pigment surface density of the flat pigment particles in the coating film is 50% to 300%, and a film thickness of the coating film is 1 m or more. The article comprises the coating film.

Pigment Compositions
20190183751 · 2019-06-20 · ·

The instant disclosure relates to a composition for topical application to the skin comprising a first pearlescent uncoated pigment having an average particle size of 25 um or less; a second pearlescent pigment having an average particle size of 25 um or less, completely or partially coated with one or more layers of metal oxides; a first mica having an average size of 42 um or less, completely or partially coated with one or more layers of red iron oxide; and a second mica having an average size of 25 um or less, completely or partially coated with one or more layers of titanium dioxide. It also relates to methods of using said compositions.

LiDAR REFLECTING DARK COLORED PIGMENTS AND VEHICLES COMPRISING THE SAME
20190169440 · 2019-06-06 ·

A LiDAR reflecting dark colored pigment includes a core layer formed from a reflecting material and a first layer formed from a first absorber material or a first dielectric material extending across the core layer. A second layer formed from a second absorber material different than the third absorber material extends across the first layer and a third layer formed from a third absorber material or a second dielectric material extends across the second layer. The third absorber material is different than the second absorber material. The LiDAR reflecting dark colored pigment reflects less than 10% of incident visible electromagnetic radiation and more than 60% of incident near-IR electromagnetic radiation with wavelengths between and including 850 nm and 950 nm for all incident angles of the visible and near-IR electromagnetic radiation between and including 0 and 45. A color reflected by the multilayer stack has a lightness in CIELAB color space less than or equal to 40.

ASYMMETRIC PIGMENT
20190153233 · 2019-05-23 · ·

An asymmetric pigment including a first Fabry-Perot structure; and a second Fabry-Perot structure; wherein the first Fabry-Perot structure and the second Fabry-Perot structure have a similar hue angle within +/45 degrees is disclosed. Other asymmetric pigments are also disclosed as well as methods of making the disclosed pigments.

Anisotropic magnetic flakes

The invention relates to anisotropic, reflective, magnetic flakes. In a liquid carrier and under influence of an external magnetic field, the flakes attract to one another side-by-side and form ribbons which provide higher reflectivity to a coating and may be used as a security feature for authentication of an object.

CANDY COLOR PAINT AND REFINISHING METHOD
20190085182 · 2019-03-21 ·

Candy color metallic paint finishes can be formed or repaired by applying to a substrate a colored liquid base coating composition containing a colored metal oxide-coated nontransparent silver dollar aluminum flake pigment and optional additional colored pigments or dyes dispersed in a first hardenable binder to form a reflective colored base layer that hides the primed substrate and has a sparkling metallic appearance. A colored liquid intermediate coating composition containing a colored pigment or dye dispersed in a second hardenable binder is applied to the base layer to form a colored intermediate layer that increases the color saturation of incident light reflected from the base layer. The intermediate layer can be overcoated with a liquid clearcoat composition. The completed finish can replicate an original equipment manufacturer multilayer candy color metallic finish, while providing ease of application, low sensitivity to layer thickness variation, and low mottle.

COATED METAL EFFECT PIGMENTS, METHOD OF PRODUCTION AND USE THEREOF

This invention involves a coated flaky metal effect pigment comprising a metal effect flake as substrate coated by the following consecutive coating sequences: a) optionally a discontinuous or a continuous layer of Mo-oxide, b1) an inorganic metal oxide layer comprising mainly SiO.sub.2, c1) a hybrid layer comprising SiO.sub.2 modified by a diphenyl silane, a phenylsilane or mixtures thereof or c2) a hybrid layer comprising SiO.sub.2 modified by a diphenyl silane, a phenylsilane or mixtures thereof, b2) an inorganic metal oxide layer comprising mainly SiO.sub.2, and d) optionally a further top-coat of organofunctional silanes, titanates, aluminates or zirconates.

Pigment/frit mixtures

Frits or frit mixtures with pearlescent pigments for materials, such as ceramic glazes, which are stable above 1000 C.

Pigment including a coating of nanoparticles

A pigment including a pre-flake; and a coating of nanoparticles present on a surface of the pre-flake, wherein the nanoparticles can be present in the coating in an amount greater than about 40% by volume is disclosed. A method of making a pigment is also disclosed.

Metallic bismuth pigments

It has been found that bismuth can be milled into pigment platelets. A metallic pigment comprises bismuth metal and an organic additive. The pigment is platelet shaped. In addition, the platelet shaped pigment comprising bismuth metal can be produced by physical vapor deposition (PVD) methods. In some embodiments, the metallic pigment comprises multiple layers.