Chromatic glitter

A high chroma glitter pigment comprising an ultra large flaky platelet-shaped substrate coated with a coating material having one or more layers of metal oxide or a metal, with an aspect ratio from about 6-1000, having one or more absorption pigments or dyes, and an optional adhesion layer, wherein the ultra large flaky substrate comprises a transparent, non-metallic, platelet-shaped substrate selected from the group consisting of natural mica, synthetic mica, bismuth oxychloride, graphite, aluminum oxide, micaceous iron oxide, perlite, silicon dioxide, titanium dioxide-coated mica and iron oxide-coated mica, and said platelet-shaped substrate having a median diameter (d50) from 1 μm-500 μm, and a thickness from about 5 nm to 1 μm, and is coated with one or more layers of metal oxides, each having its own refractive index, wherein loading of the absorption pigment or dye is from about 0.1% to 10%, with respect to total weight of the pigment;

• wherein the optional adhesion layer includes molecules that contain two or more functional groups selected from the group consisting of silanes, carboxylic acids, phosphoric acids, phosphonic acids, wherein the coating material is selected from the group consisting of tin oxide, titanium dioxide, silicon dioxide, aluminum oxide, aluminum hydroxide, hydrated iron oxide, a-iron oxide, y-iron oxide, magnetite, zirconium dioxide, cerium oxide, vanadium oxide, manganese oxide, chromium oxide, silver oxide, tungsten oxide, silver, gold, aluminum, and mixtures and alloys thereof.

A high chroma glitter pigment comprising an ultra large flaky platelet-shaped substrate coated with a coating material having one or more layers of metal oxide or a metal having a thickness from about 7 nm to 350 nm, with an aspect ratio from about 6-1000, having one or more absorption pigments or dyes, and an optional adhesion layer, wherein the ultra large flaky substrate comprises a transparent, non-metallic, platelet-shaped substrate selected from the group consisting of natural mica, synthetic mica, bismuth oxychloride, graphite, aluminum oxide, micaceous iron oxide, perlite, silicon dioxide, titanium dioxide-coated mica and iron oxide-coated mica, having a thickness from 5 nm to 1 μm, that is coated with one or more layers of metal oxides, each having its own refractive index, and a median thickness or height in the range of 0.1 μm-500 μm, wherein loading of the absorption pigment or dye is from about 0.1% to 10%, with respect to total weight of the pigment, and said platelet-shaped substrate having a median diameter (d50) from 1 μm-500 μm;

• wherein the optional adhesion layer includes molecules that contain two or more functional groups selected from the group consisting of silanes, carboxylic acids, phosphoric acids, phosphonic acids, wherein the coating material is selected from the group consisting of tin oxide, titanium dioxide, silicon dioxide, aluminum oxide, aluminum hydroxide, hydrated iron oxide, a-iron oxide, y-iron oxide, magnetite, zirconium dioxide, cerium oxide, vanadium oxide, manganese oxide, chromium oxide, silver oxide, tungsten oxide, silver, gold, aluminum, and mixtures and alloys thereof, wherein the absorption pigment is physically attached to the surface of the ultra large flaky substrate;
• wherein the linker molecule is multifunctional and has at least two functional groups to attach to the absorption pigment and the surface of the ultra large flaky substrate.

A high chroma glitter pigment comprising an ultra large flaky substrate wherein the ultra large flaky substrate is coated with a coating material having a thickness from about 7 nm to 350 nm, and having one or more layers of a metal oxide or a metal, optionally wherein the coating material is selected from the group consisting of tin oxide, titanium dioxide, silicon dioxide, aluminum oxide, aluminum hydroxide, hydrated iron oxide, α-iron oxide, γ-iron oxide, magnetite, zirconium dioxide, cerium oxide, vanadium oxide, manganese oxide, chromium oxide, silver oxide, tungsten oxide, silver, gold, aluminum, and mixtures and alloys thereof;

• having an aspect ratio from about 6-1000, a median thickness from about 0.5 μm-50 μm;
• having one or more absorption pigments or dyes;
• having an optional adhesion layer;
• wherein the ultra large flaky substrate, comprises a pearlescent pigment, that is greater than 500 μm, having a transparent, non-metallic, platelet-shaped substrate selected from the group consisting of natural mica, synthetic mica, bismuth oxychloride, graphite, aluminum oxide, micaceous iron oxide, perlite, silicon dioxide, titanium dioxide-coated mica and iron oxide-coated mica, having a thickness from 5 nm to 1 μm, that is coated with one or more layers of metal oxides, each having its own refractive index, and a median thickness or height in the range of 0.1 μm-500 μm, wherein loading of the absorption pigment or dye is from about 0.1% to 10%, with respect to total weight of the pigment, and wherein the optional adhesion layer includes molecules that contain two or more functional groups selected from the group consisting of silanes, carboxylic acids, phosphoric acids, phosphonic acids, phosphate, sulfonic acids, sulfates, amines, amides, esters, alcohols, thiols, titanates, and zirconates;
• and in addition, wherein, the absorption pigment is attached to the surface of the ultra large flaky substrate, optionally wherein:
• a. the absorption pigment is chemically attached to the surface of the ultra large flaky substrate through the use of an additive or linker molecule, wherein the linker molecule is multifunctional and has at least two functional groups to attach to the absorption pigment and the surface of the ultra large flaky substrate;
• or
• b. the absorption pigment is physically attached to the surface of the ultra large flaky substrate;
• or
• c. the absorption pigment is attached to the surface of the ultra large flaky substrate by encapsulation in a metal oxide layers on the pearlescent pigment.

A high chroma glitter pigment comprising an ultra large flaky substrate wherein the ultra large flaky substrate is coated with a coating material having a thickness from about 7 nm to 350 nm, and having one or more layers of a metal oxide or a metal, optionally wherein the coating material is selected from the group consisting of tin oxide, titanium dioxide, silicon dioxide, aluminum oxide, aluminum hydroxide, hydrated iron oxide, α-iron oxide, γ-iron oxide, magnetite, zirconium dioxide, cerium oxide, vanadium oxide, manganese oxide, chromium oxide, silver oxide, tungsten oxide, silver, gold, aluminum, and mixtures and alloys thereof;

• having an aspect ratio from about 6-1000, a median thickness from about 0.5 μm-50 μm, having one or more absorption pigments or dyes, wherein the absorption pigment is attached to the surface of the ultra large flaky substrate by encapsulation in one of the metal oxide layers on the pearlescent pigment;
• having an optional adhesion layer;
• wherein the ultra large flaky substrate, comprises a pearlescent pigment, that is greater than 500 μm, having a transparent, non-metallic, platelet-shaped substrate selected from the group consisting of natural mica, synthetic mica, bismuth oxychloride, graphite, aluminum oxide, micaceous iron oxide, perlite, silicon dioxide, titanium dioxide-coated mica and iron oxide-coated mica, having a thickness from 5 nm to 1 μm, that is coated with one or more layers of metal oxides, each having its own refractive index, and a median thickness or height in the range of 0.1 μm-500 μm, wherein loading of the absorption pigment or dye is from about 0.1% to 10%, with respect to total weight of the pigment, and wherein the optional adhesion layer includes molecules that contain two or more functional groups selected from the group consisting of silanes, carboxylic acids, phosphoric acids, phosphonic acids, phosphate, sulfonic acids, sulfates, amines, amides, esters, alcohols, thiols, titanates, and zirconates;
• and in addition, wherein, the absorption pigment is attached to the surface of the ultra large flaky substrate, optionally wherein:
• a. the absorption pigment is chemically attached to the surface of the ultra large flaky substrate through the use of an additive or linker molecule, wherein the linker molecule is multifunctional and has at least two functional groups to attach to the absorption pigment and the surface of the ultra large flaky substrate;
• or
• b. the absorption pigment is physically attached to the surface of the ultra large flaky substrate;
• or
• c. the absorption pigment is attached to the surface of the ultra large flaky substrate by encapsulation in a metal oxide layers on the pearlescent pigment.