C09C2200/305

Nanoencapsulation methods for forming multilayer thin film structures and multilayer thin films formed therefrom

A method for forming a multilayer thin film structure includes directly depositing an absorber layer to encapsulate a dielectric layer, and the dielectric layer encapsulates a reflective core particle. The method further including depositing an outer layer to encapsulate the absorber layer, and the multilayer thin film structure has a hue shift of less than 30° in the Lab color space when viewed at angles from 0° to 45°.

COMPOSITION INCLUDING DUAL CAVITY COLOR SHIFTING PIGMENTS

A composition including a dual cavity color shirting pigment and a single cavity color shifting pigment is disclosed. A method of making the composition is also disclosed.

Effect pigments having high transparency, high chroma and high brilliancy, method for the production and use thereof
10934436 · 2021-03-02 · ·

The invention relates to a transparent effect pigment which includes a non-metallic platelet-shaped substrate and a coating applied thereto, wherein the coating has a spacer layer. The invention further relates to a method for the production, as well as the use, of the transparent effect pigment.

LAYER SEQUENCE WITH COLOUR FLOP EFFECT INCLUDING PLATELET-SHAPED EFFECT PIGMENTS

The present invention relates to a system, which comprises: b) at least one first colour layer containing a dye and/or pigment, c) on the at least one first colour layer an effect layer containing at least one platelet-shaped effect pigment, wherein the at least one platelet- shaped effect pigment is composed of particles having an average length of 2 to 500 m, an average width of 2 to 500 m and an average thickness of at most 1 gm, and d) on the effect layer at least one second colour layer containing a dye and/or pigment, wherein each of the at least one first colour layer and of the at least one second colour layer contains a dye and/or pigment being no platelet-shaped effect pigment, wherein the at least one dye and/or at least one pigment included in the at least one first colour layer is different from the at least one dye and/or at least one pigment included in the at least one second colour layer, and wherein, at least if the at least one first colour layer has a sum of reflectance and scattering of less than 40%, the system further comprises: a) below the at least one first colour layer a lower layer containing a pigment and having a sum of reflectance and scattering of at least 40%.

Asymmetric pigment
10899930 · 2021-01-26 · ·

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.

Effect pigments with high chroma and high brilliancy, method for the production and use thereof
10799432 · 2020-10-13 · ·

The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment.

NANOENCAPSULATION METHODS FOR FORMING MULTILAYER THIN FILM STRUCTURES AND MULTILAYER THIN FILMS FORMED THEREFROM

A method for forming a multilayer thin film structure includes directly depositing an absorber layer to encapsulate a dielectric layer, and the dielectric layer encapsulates a reflective core particle. The method further including depositing an outer layer to encapsulate the absorber layer, and the multilayer thin film structure has a hue shift of less than 30 in the Lab color space when viewed at angles from 0 to 45.

Effect Pigments with High Chroma and High Brilliancy, Method for the Production and Use Thereof
20200009023 · 2020-01-09 ·

The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment.

OPTICAL DEVICES WITH FUNCTIONAL MOLECULES

An optical device includes a reflector layer; a selective light modulating layer external to the reflector layer; and functional molecules present in at least one of the selective light modulating layer, in a functional layer external to a surface of the selective light modulating layer, in the selective light modulating layer near an external surface, in the selective light modulating layer near the reflector layer, and in a functional layer external to the reflector layer. A method of making an optical device is also disclosed.

Layer sequence with colour flop effect including platelet-shaped effect pigments

The present invention relates to a system, which comprises: b) at least one first colour layer containing a dye and/or pigment, c) on the at least one first colour layer an effect layer containing at least one platelet-shaped effect pigment, wherein the at least one platelet-shaped effect pigment is composed of particles having an average length of 2 to 500 ?m, an average width of 2 to 500 ?m and an average thickness of at most 1 ?m, and d) on the effect layer at least one second colour layer containing a dye and/or pigment, wherein each of the at least one first colour layer and of the at least one second colour layer contains a dye and/or pigment being no platelet-shaped effect pigment, wherein the at least one dye and/or at least one pigment included in the at least one first colour layer is different from the at least one dye and/or at least one pigment included in the at least one second colour layer, and wherein, at least if the at least one first colour layer has a sum of reflectance and scattering of less than 40%, the system further comprises: a) below the at least one first colour layer a lower layer containing a pigment and having a sum of reflectance and scattering of at least 40%.