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1. WO2020112748 - PHOTOCHROMIC INKJET INKS AND METHODS OF MAKING PHOTOCHROMIC INKJET INKS FOR SECURITY PRINTING APPLICATIONS

Publication Number WO/2020/112748
Publication Date 04.06.2020
International Application No. PCT/US2019/063216
International Filing Date 26.11.2019
IPC
C09D 11/00 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
C09D 11/322 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
32characterised by colouring agents
322Pigment inks
C09D 11/328 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
32characterised by colouring agents
328characterised by dyes
C09D 11/50 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
50Sympathetic, colour-changing or similar inks
C09K 9/02 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
9Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
02Organic tenebrescent materials
CPC
C09D 11/10
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
02Printing inks
10based on artificial resins
C09D 11/102
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
02Printing inks
10based on artificial resins
102containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
C09D 11/106
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
02Printing inks
10based on artificial resins
106containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C09D 11/328
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
32characterised by colouring agents
328characterised by dyes
C09D 11/36
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
36based on non-aqueous solvents
C09D 11/38
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
38characterised by non-macromolecular additives other than solvents, pigments or dyes
Applicants
  • TROY GROUP, INC. [US]/[US]
Inventors
  • CAI, Xiaorong
  • RILEY, Michael R.
Agents
  • GESS, Albin H.
Priority Data
62/772,49528.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PHOTOCHROMIC INKJET INKS AND METHODS OF MAKING PHOTOCHROMIC INKJET INKS FOR SECURITY PRINTING APPLICATIONS
(FR) ENCRES PHOTOCHROMIQUES POUR L'IMPRESSION À JET D'ENCRE ET PROCÉDÉS DE FABRICATION D'ENCRES PHOTOCHROMIQUES POUR L'IMPRESSION À JET D'ENCRE POUR DES APPLICATIONS D'IMPRESSION DE SÉCURITÉ
Abstract
(EN)
Method of making color changing inkjet inks for security printing applications use photochromic materials that cause the inkjet ink to print marks that are colorless under ambient light and appear in a color when exposed to sunlight or UV light (covert). In another embodiment, the printed mark appears in a first color under ambient light, and changes to a second color when exposed to sunlight or UV light (overt). The methods of making the photochromic inks produce ink components that are stable and maintain their color changing capability for the shelf life of the printed material. The inkjet ink formulations are suitable for use on porous and non porous surfaces, such as plain paper, coated paper, Teslin, polymer film, ceramic or metal, for example.
(FR)
Un procédé de fabrication d'encres pour l'impression à jet d'encre à changement de couleur pour des applications d'impression de sécurité utilisent des matériaux photochromiques qui amènent l'encre pour l'impression à jet d'encre à imprimer des marques qui sont incolores dans des conditions de lumière ambiante et apparaissent en couleur lorsqu'elles sont exposées à la lumière solaire ou à la lumière UV (cachée). Dans un autre mode de réalisation, la marque imprimée apparaît dans une première couleur dans des conditions de lumière ambiante, et change pour passer à une seconde couleur lorsqu'elle est exposée à la lumière solaire ou à la lumière UV (visible). Les procédés de fabrication des encres photochromiques produisent des composants d'encre qui sont stables et conservent leur capacité de changement de couleur pendant la durée de conservation du matériau imprimé. Les formulations d'encre pour l'impression à jet d'encre sont appropriées pour être utilisées sur des surfaces poreuses et non poreuses, telles que du papier ordinaire, du papier couché, du papier Teslin, un film polymère, de la céramique ou du métal, par exemple.
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