C01P2006/65

BRIGHT PIGMENT, PIGMENT-CONTAINING COMPOSITION, AND PIGMENT-CONTAINING PAINTED PRODUCT
20200283635 · 2020-09-10 ·

The present invention provides a glitter pigment, including: a glass flake; a titanium oxide layer formed over the glass flake; and fine gold particles deposited on the titanium oxide layer, wherein the fine gold particles include fine gold particles P2 having a particle diameter of 20 nm or more and less than 50 nm, and in a square region 2 m on a side on a surface of the titanium oxide layer on which the fine gold particles are deposited, the number of the fine gold particles P2 is 9 or more and less than 100 and an average of distances between the fine gold particles P2 is 130 nm or more and less than 500 nm, each of the distances being a distance from one of the fine gold particles P2 to another fine gold particle P2 nearest to the one.

THIN FILM INTERFERENCE PIGMENTS WITH A COATING OF NANOPARTICLES

An article including a thin film interference pigment; and a coating including a selectively absorbing nanoparticle is disclosed. The article can exhibit increased chromaticity as compared to the thin film interference pigment alone. Methods of making the article are also disclosed.

Nail Varnish Composition Containing Embossed Effect Pigments and Surface-Modified Embossed Effect Pigments

The invention relates to a nail varnish composition comprising: a) an embossed effect pigment comprising a metallic substrate in platelet form with embossed structure having a periodic pattern with diffractive elements, said substrate having been produced by PVD methods, and optionally at least one coating applied to the substrate, wherein the substrate has an elemental metal content of 80% to 100% by weight, based on the substrate, and wherein the effect pigment has been treated with a leafing additive for surface modification, b) at least one hydrocarbon resin as binder, c) at least one solvent or solvent mixture and d) optionally further auxiliaries.

The invention further relates to a process for producing the nail varnish composition.

GOLDEN EFFECT PIGMENTS

A golden effect pigment comprising an optionally passivated platelet-shaped metallic substrate and an iron oxide layer, wherein the effect pigment has a hue angle h.sub.15 of 67h.sub.1578 and a chroma C*.sub.15 of 90 is provided. Further, a golden effect pigment comprising an optionally passivated platelet-shaped metallic substrate and an iron oxide layer, wherein the effect pigment has a hue angle h.sub.15 of 67h.sub.1578 and a chroma C*.sub.45 of 50 is provided. The golden effect pigments are highly chromatic and suitable for coloring a coating composition such as a paint, a printing ink, an ink, a varnish, plastics, a fiber, a film or a cosmetic preparation, preferably an automotive, an architectural or an industrial coating composition

INORGANIC EFFECT PIGMENTS
20200115558 · 2020-04-16 ·

An inorganic, non-quarter wave, heterogeneous multilayer effect pigment includes a platy substrate comprising an absorbing optically active metal oxide layer thereon, having an optical thickness from about 20 nm to about 400 nm; a layer of low refractive index material on the absorbing optically active metal oxide layer and having an optical thickness from about 10 nm to about 500 nm; and an outermost optically active layer of a non-absorbing high refractive index material on the low refractive index material and having an optical thickness from about 50 nm to about 1000 nm. The multilayer effect pigment exhibits a blue reflectance ratio (BRR) of at least 3, according to the equation: BRR=(Blue Max)/(Green Min); where Blue Max is the maximum reflectance exhibited over wavelengths 380 nm to 450 nm; and Green Min is the minimum reflectance exhibited over wavelengths 450 nm to 600 nm.

Pink and violet pigments that display heat stability, resistance to acidic conditions, and good lightfastness
10619025 · 2020-04-14 · ·

There are very few violet or pink colored commercial pigments that display high heat stability, resistance to acidic conditions, or good lightfastness. This technology results in pigments that fall into the above color space, but display improved chemical and weathering stability. The pigments based of this technology have the molar ratio (A.sub.2O).sub.x(BO).sub.y(C.sub.2O.sub.5).sub.z(DO.sub.3).sub.w(EO.sub.2).sub.v, where 2x+y+2z+w+v100. Where A is Li or Li with one or more of Cu, Na, or K, where B is Co or Co with one or more of Ca, Cu, Fe, Mg, Mn, Ni, Sn, or Zn, where C is Nb, Sb, or combination thereof, where D is Mo, W or combination thereof, where E is Sn, Ti, Zr, or combination thereof. The above formulation may be modified with a dopant addition of Al, B, Ba, Bi, Ca, Ce, Cr, La, P, Pr, Si, Sr, Ta, V, or Y where the dopant concentration represents 5 atomic % or less of the total number of moles of components A+B+C+D+E.

Bright pigment, method for producing same, pigment-containing composition, and pigment-containing painted product

A bright pigment according to the present invention includes: a glass flake; a titanium oxide layer formed over the glass flake; and fine gold particles deposited on the titanium oxide layer or placed between the glass flake and the titanium oxide layer. The titanium oxide layer has a thickness of 150 nm or more, and a reflected color of the bright pigment is a blue to green color represented by a C* value of 15 or more and a h value of 150 to 300 in a L*C*h color system.

Red and red-shade violet inorganic oxide materials containing cobalt

The current technology is directed to red and red-shade violet pigments with an hexagonal ABO.sub.3 structure of the form Y(In, M)O.sub.3 in which M is substituted for In in the trigonal bipyramidal B site of the ABO.sub.3 structure, and where M is a mixture containing Co.sup.2+ and charge compensating ions, or M is a mixture containing Co.sup.2+ and charge compensating ions, as well as other aliovalent and isovalent ions.

Pearlescent pigments obtained by wet oxidation

The present invention relates to pearlescent pigments, to a process of manufacturing such pearlescent pigments based on a wet oxidation step as well as to the use of such pearlescent pigments.

Photoluminescent pigment; cosmetic, paint composition, and resin composition containing same; and bright pigment production method

A bright pigment of the present invention is a bright pigment including flaky particles and a metal oxide layer covering each surface of the flaky particles. The metal oxide layer has a thickness variation coefficient (standard deviation of thickness of the metal oxide layer/average thickness of the metal oxide layer) of 20% or less. The bright pigment preferably contains a sodium component, and the sodium component is Na.sub.2O. The content of Na.sub.2O in the flaky particles is 3% by mass or more and less than 9.5% by mass. The bright pigment preferably has a specific surface area of 5.0 m.sup.2/g or less.