Patent
Goniochromatic luster pigments with silicon-containing coating
Raimund Dr Schmid,Norbert Dr Mronga,Joerg Dr Adel +2 more
- 09 Oct 1996
74
TL;DR: Goniochromatic luster pigments based on multiply coated platelet-shaped metallic substrates comprising at least one layer packet of A) a layer consisting essentially of silicon oxide, silicon oxide hydrate, aluminum oxide and/or aluminum oxide hydrates, and B) a nonselectively absorbing, silicon-containing layer which is at least partially transparent to visible light, and also, if desired, an outer layer which consists essentially of colorless or selectively absorbing metal oxide, are useful for coloring paints, inks and including printing inks, plastics, glasses, ceramic products and
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Abstract: Goniochromatic luster pigments based on multiply coated platelet-shaped metallic substrates comprising at least one layer packet of A) a layer consisting essentially of silicon oxide, silicon oxide hydrate, aluminum oxide and/or aluminum oxide hydrate, and B) a nonselectively absorbing, silicon-containing layer which is at least partially transparent to visible light, and also, if desired, additionally C) an outer layer which consists essentially of colorless or selectively absorbing metal oxide, are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.
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Citations
Patent
Multi-layered magnetic pigments and foils
Philips Roger W,Charlotte R. Legallee,Charles T. Markantes,Coombs Paul G +3 more
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TL;DR: In this article, multilayered magnetic pigment flakes and foils are provided, where the pigment flakes can be a symmetrical coating structure on opposing sides of a magnetic core, or can be formed with the encapsulating coatings around the magnetic core.
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Optically variable security devices
Roger W. Phillips,Richard L. Bonkowski,Patrick K. Higgins,Charles T. Markantes +3 more
- 10 Oct 2000
TL;DR: A security article as mentioned in this paper is a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an optical interference pattern such as a holographic image pattern or an optical diffraction pattern thereon.
208
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Bright metal flake based pigments
Kent E. Coulter,Thomas Mayer,Roger W. Phillips,John S. Matteucci +3 more
- 06 Aug 1999
TL;DR: In this article, a flake-based pigment has a plurality of core flake sections each formed of a central reflector and dielectric support layers on opposing sides of the reflector layer.
181
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Methods for producing imaged coated articles by using magnetic pigments
Roger W. Phillips,Charlotte R. Legallee,Charles T. Markantes,Paul G. Coombs,Matthew R. Witzman +4 more
- 02 Apr 2002
TL;DR: In this article, a layer of magnetizable pigment coating is applied to selected regions of the pigment coating while the coating is in liquid form, with the magnetic field altering the orientation of selected magnetic particles or flakes.
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Color-shifting pigments and foils with luminescent coatings
Thomas Mayer,Stacey A. Yamanaka,Jaroslaw Zieba +2 more
- 17 Nov 2000
TL;DR: In this article, interference pigment flakes and foils are provided which have luminescent and color-shifting properties, which can be interspersed into liquid media such as paints or inks to produce colorant materials for subsequent application to objects or papers.
159
References
Patent
Metallic pigments with multiple coatings
Raimund Dr Schmid,Norbert Dr Mronga +1 more
- 21 Feb 1994
TL;DR: In this article, the authors describe a pigment based on metal flake substrate with several coatings, such as a first coating of SiO2 and/or (hydrated) Al2O3; a second coating of metal and or metal oxide without selective absorption; and opt. drying or coating with metal oxide by gas phase decomposition of volatile metal cpds.
15
Patent
Gas-phase passivation of metal pigments
Raimund Dr Schmid,Norbert Dr. Mronga,Juan Antonio Gonzalez Dr. Gomez +2 more
- 14 Oct 1993
TL;DR: In this paper, a simple process for achieving very active passivation of metal pigments against hydroxyl-containing compounds is described, which consists of treating the metal pigsments with passivators in the gas phase.
12
Patent
Conductive lamellar pigments
Hans-Dieter Dr. Bruckner,Reiner Dr. Esselborn +1 more
- 14 Dec 1989
TL;DR: In this paper, the application relates to conductive lamellar pigments in which a substrate is coated with an electrically conductive layer, characterized in that a metal oxide or a material coated with one or more metal oxides is present as the substrate and an optionally hydrated silicon dioxide layer or a layer of another insoluble silicate is arranged between the metal oxide layer and the conductive layers.
11
Patent
Magnetisierbare mehrfach beschichtete metallische Glanzpigmente
Raimund Dr Schmid,Norbert Dr Mronga +1 more
- 01 Jun 1994
TL;DR: Magnetisierbare Glanzpigmente auf der Basis von mehrfach beschichteten plattchenformigen nichtferromagnetischen metallischen Substraten mit Eisen, Cobalt, Nickel, Magnetit und/oder γ-Fe₂O₃ enthalt, B) einer zweiten, im wesentlichen aus Siliciumoxid, Silicaoxidhydrat, Aluminiumoxid and/oder Aluminium Oxidhyd
11
Patent
Color luster pigments
Matthias Dr. Schraml-Marth
- 21 Apr 1995
TL;DR: In this article, the present invention relates to color luster pigments which, through the incorporation of glass formers, exhibit enhanced luster and also high color strength and transparency.
5
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