ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes. © KIPO & WIPO 2008 ...

PROCESS FOR PREPARING AN EFFECT PIGMENT

The present invention relates to a process for preparing a coloured effect pigment, comprising the steps of (a) preparing in an aqueous coating medium at least one layer of a hydroxyl-containing metal oxide on a substrate, thereby obtaining in the aqueous coating medium a first coloured pigment material CPM1 comprising the substrate coated with the hydroxyl-containing metal oxide, wherein the substrate is made of aluminium or aluminium alloy which optionally comprises at least one passivating layer, and wherein the hydroxyl-containing metal oxide is a hydroxyl-containing iron oxide or a hydroxyl-containing titanium oxide or a mixture thereof, (b) providing the first coloured pigment material CPM1 in a liquid post-treatment medium comprising one or more high boiling organic liquids, and (c) heating the liquid post-treatment medium to a temperature of at least 90° C. so as to convert the first coloured pigment material CPM1 to a second coloured pigment material CPM2.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

DIFFRACTION PIGMENTS

Pvd metal effect pigment having gradient on nanoscale metal particles, method for the production thereof and use thereof

Opaque flake for covert security applications

THIN, PLATE-LIKE ONES IRON PIGMENTS, PROCEDURES FOR THEIR PRODUCTION AND USE THE SAME

DIFFRAKTIVE PIGMENTS

ALIGN-CASH DIFFRACTION PIGMENT PANELS

PVD METALLEFFEKTPIGMENT WITH GRADIENT AT NANO-POTASH GENE METAL PARTICLE, PROCEDURE FOR THEIR PRODUCTION AND USE THE SAME

Alignable diffractive pigment flakes

EFFECT PIGMENTS BASED ON SUBSTRATES FORMED FROM INORGANIC-ORGANIC MIXED PHASES, PRODUCTION AND USE THEREOF

The invention relates to effect pigments comprising a plate-shaped substrate that is provided at least on one side with at least one coating of semi-transparent metal and/or at least one highly refractive coating having a refractive index that is ≥ 2.0. The effect pigments are characterised in that the plate-shaped substrate has at least one inorganic/organic mixed phase. The invention also relates to a method for producing said type of effect pigments, consisting of the following steps: a) at least one organic network former and at least one reactive organic component and at least one inorganic network former and/or nanoscale, inorganic particles as well as a liquid phase are mixed, thus forming a reaction composition, b) said reaction composition is placed on a flat substrate, c) a hard inorganic/organic mixing phase is formed, d) the inorganic/organic mixed phase is transformed into plate-shaped substrates, e) the plate-shaped substrates are coated with at least one coating made of semi-transparent metal and/or at least one highly refractive coating having a refractive index that is ≥ 2.0. The invention further relates to the use of effect pigments in lacquers, car paints, coating powders, paints, printing inks, security printing inks, facade coatings, coatings for buildings, plastic materials, ceramic material, glass or cosmetic preparations. The invention further relates to a coating composition that contains the effect pigments and to an object that is provided with the effect pigments or the coating agent containing the effect pigment.

THIN, PLATELET-SHAPED IRON PIGMENTS, PRODUCTION THEREOF AND USE THEREOF

The invention provides iron effect pigments that have a thickness distribution, determined via thickness counting using scanning electron microscopy (SEM), as cumulative undersize distribution with a) an h50 value from 10 to 55 nm and b) an h90 value from 20 to 80 nm, and also a process for their production and also the use of the iron effect pigments. The invention further provides a printing ink that contains the iron effect pigments of the invention.

Pigmente

Die vorliegende Erfindung betrifft Pigmente auf der Basis von mehrfach beschichteten plättchenförmigen Substraten, die sich dadurch auszeichnen, dass auf dem Substrat mindestens 4 Schichten [Schichten (A)(D)] sind, sowie deren Verwendung u. a. in Farben, Lacken, Automobillacken, Pulverlacken, Druckfarben, Sicherheitsdruckfarben, Kunststoffen, keramischen Materialien, Gläsern, Papier, in Tonern für elektro-photographische Druckverfahren, im Saatgut, in Gewächshausfolien und Zeltplanen, als Absorber bei der Lasermarkierung von Papier und Kunststoffen, in kosmetischen Formulierungen, zur Herstellung von Pigmentanteigungen mit Wasser, organischen und/oder wässrigen Lösemitteln, zur Herstellung von Pigmentpräparationen und Trockenpräparaten.

DIFFRACTIVE PIGMENTS

The invention relates to a pigment, the smallest size of which corresponds at least to a multiple of the greatest wavelength of ultraviolet light or the smallest wavelength of visible light. Said pigment comprises at least one defined diffractive structure, the spatial periodicity of which has a spatial period corresponding at least to a multiple of the wavelength of ultraviolet light. In particular, the inventive pigment has a laminar shape. The method for producing such pigments comprises the following steps: a) a defined diffractive structure is created in and/or on a film-type support; b) the defined diffractive structure is coated with a sealant on said support; c) the film-type support processed in steps a) and b) is comminuted so as to form pigment particles.

PIGMENTS

The present invention relates to interference pigments based on multicoated flake-form substrates which have on the surface of the substrate a layer sequence comprising (A0) optionally a high-refractive-index coating consisting of a layer of TiO, (A) a high-refractive-index coating consisting of a mixture of TiOand FeO, which may optionally be doped with one or more further oxides, (B) a high-refractive-index layer consisting of SnO, (C) a high-refractive-index coating which absorbs in the visible wavelength region, and optionally (D) an outer protective layer, and to the use thereof, in particular in paints, coatings, industrial coatings, automobile paints, automotive refinish paints, coil coating, powder coatings, printing inks, plastics, pigment pastes, pigment preparations and in dry preparations, such as, for example, granules. 2. Interference pigment according to claim 1 , characterised in that the flake-form substrates are natural or synthetic mica claim 1 , glass flakes claim 1 , AlOflakes claim 1 , SiOflakes or TiOflakes and flake-form materials coated with metal oxides.3. Interference pigments according to claim 1 , characterised in that the flake-form substrates are mica flakes claim 1 , glass flakes or AlOflakes.4. Interference pigments according to claim 1 , characterised in that the coated flake-form substrates are SiO-coated glass flakes.5. Interference pigments according to claim 1 , characterised in that coating (A) is doped with one or more oxides from the group AlO claim 1 , CeO claim 1 , BO claim 1 , ZrO claim 1 , SnO.6. Interference pigments according to claim 1 , characterised in that coating (C) is{'sub': 2', '2', '3, 'a TiOlayer followed by an FeOlayer, or'}{'sub': 2', '3, 'an FeOlayer, or'}{'sub': 2', '2', '3, 'a layer consisting of a mixture of TiOand FeO, or'}{'sub': '2', 'a TiOlayer followed by a layer of Carmine Red, or'}{'sub': '2', 'a TiOlayer followed by a layer of Berlin Blue.'}7. Interference pigments according to claim 1 , ...

Pigment for use e.g. in holography or document authentication has a diffractive structure with a spatial periodicity of at least a multiple of the longest wavelength of UV light

A pigment with a surface region whose smallest dimension is a multiple of the longest wavelength (ca. 400 nm) of UV light has on at least one surface region a definite diffractive structure with a space periodicity of at least a multiple of the longest wavelength (ca. 400 nm) of UV light. An Independent claim is also included for the production of the pigment by (1) coating a film-like carrier having a definite diffraction structure in or on it with a sealing agent; and (2) comminuting the carrier.

Asymmetric pigment

Weather-resistant pearlescent pigments, process for the production and use thereof

Pvd metal effect pigment having gradient on nanoscale metal particles, method for the production thereof and use thereof

Pigmente

Die vorliegende Erfindung betrifft Interferenzpigmente auf der Basis von mehrfach beschichteten plättchenförmigen Substraten, die auf der Oberfläche des Substrats eine Schichtenfolge aus (A0) optional einer hochbrechenden Beschichtung bestehend aus einer Schicht aus TiO2, (A) einer hochbrechenden Beschichtung bestehend aus einem Gemisch aus TiO2 und Fe2O3, die gegebenenfalls mit ein oder mehreren weiteren Oxiden dotiert sein kann, (B) einer hochbrechenden Schicht bestehend aus SnO2, (C) einer hochbrechenden im sichtbaren Wellenlängenbereich absorbierende Beschichtung, und optional (D) einer äußeren Schutzschicht aufweisen, sowie deren Verwendung, insbesondere in Farben, Lacken, Industrielacken, Autolacken, Coil Coating, Pulverlacken, Druckfarben, Kunststoffen, Pigmentanteigungen, Pigmentpräparationen und in Trockenpräparaten, wie z. B. Granulaten.

DIFFRACTIVE PIGMENTS

The invention relates to a pigment, the smallest size of which corresponds at least to a multiple of the greatest wavelength of ultraviolet light or the smallest wavelength of visible light. Said pigment comprises at least one defined diffractive structure, the spatial periodicity of which has a spatial period corresponding at least to a multiple of the wavelength of ultraviolet light. In particular, the inventive pigment has a laminar shape. The method for producing such pigments comprises the following steps: a) a defined diffractive structure is created in and/or on a film-type support; b) the defined diffractive structure is coated with a sealant on said support; c) the film-type support processed in steps a) and b) is comminuted so as to form pigment particles.

PROCESS FOR PREPARING AN EFFECT PIGMENT

The present invention relates to a process for preparing a coloured effect pigment, comprising the steps of (a) preparing in an aqueous coating medium at least one layer of a hydroxyl- containing metal oxide on a substrate, thereby obtaining in the aqueous coating medium a first coloured pigment material CPM1 comprising the substrate coated with the hydroxyl-containing metal oxide, wherein the substrate is made of aluminium or aluminium alloy which optionally comprises at least one passivating layer, and wherein the hydroxyl-containing metal oxide is a hydroxyl-containing iron oxide or a hydroxyl-containing titanium oxide or a mixture thereof, (b) providing the first coloured pigment material CPM1 in a liquid post-treatment medium comprising one or more high boiling organic liquids, and (c) heating the liquid post-treatment medium to a temperature of at least 90°C so as to convert the first coloured pigment material CPM1 to a second coloured pigment material CPM2.

PIGMENTS

The invention relates to pigments on the basis of multi-coated platelet-shaped substrates, characterized in that there are at least four layers (layers (A) to (D)) on the substrate, and to the use thereof in paints, varnishes, lacquers, automobile paints, powder paints, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electro-photographic printing methods, in seeds, in greenhouse films and tarpaulins, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the production of pigment doughings with water, organic and/or aqueous solvents, for the production of pigment preparations and dry preparations.

ASYMMETRIC PIGMENT

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.

DIFFRACTIVE PIGMENTS

Weather-Resistant Pearlescent Pigments, Process for the Production and Use Thereof

The present invention relates to a weather-resistant pearlescent pigment which consists of a platelet-shaped substrate coated with one or more highly refractive metal oxides, the platelet-shaped substrate being selected from the group consisting of synthetic mica flakes, glass flakes, SiO2 flakes, Al2O3 flakes, synthetic boehmite flakes, BiOCl flakes and mixtures thereof, and a top layer, wherein the top layer consists of the following layers: a) a cerium-containing layer, selected from the group consisting of cerium oxide, cerium hydroxide, hydrated cerium oxide, and mixtures thereof, the cerium-containing layer being applied directly to the highly refractive metal oxide layer, and b) an organic-chemical compatibilizing layer, which comprises the reaction products of oligomeric silanes, wherein the oligomeric silanes have one or more amino groups, the organic-chemical compatibilizing layer being applied directly to the cerium-containing layer a).

EFFECT PIGMENTS BASED ON SUBSTRATES FORMED FROM INORGANIC-ORGANIC MIXED PHASES, PRODUCTION AND USE THEREOF

The invention relates to effect pigments comprising a plate-shaped substrate that is provided at least on one side with at least one coating of semi-transparent metal and/or at least one highly refractive coating having a refractive index that is ≥ 2.0. The effect pigments are characterised in that the plate-shaped substrate has at least one inorganic/organic mixed phase. The invention also relates to a method for producing said type of effect pigments, consisting of the following steps: a) at least one organic network former and at least one reactive organic component and at least one inorganic network former and/or nanoscale, inorganic particles as well as a liquid phase are mixed, thus forming a reaction composition, b) said reaction composition is placed on a flat substrate, c) a hard inorganic/organic mixing phase is formed, d) the inorganic/organic mixed phase is transformed into plate-shaped substrates, e) the plate-shaped substrates are coated with at least one coating made of semi-transparent ...

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

PVD-Metalleffektpigment mit Gradient an nanoskaligen Metallteilchen, Verfahren zu deren Herstellung und Verwendung derselben

Die Erfindung betrifft plättchenförmiges PVD-Metalleffektpigment mit einer ersten und einer zweiten Außenfläche, wobei das plättchenförmige PVD-Metalleffektpigment wenigstens eine PVD-Schicht aufweist, wobei die wenigstens eine PVD-Schicht elementares Metall mit Clustern aus elementarem Metall und Metalloxid aufweist, wobei der Gehalt an elementarem Metall in der ersten Außenfläche und in der zweiten Außenfläche des PVD-Metalleffektpigmentes voneinander verschieden ist und sich um wenigstens 10 Atom-% unterscheidet. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser plättchenförmigen PVD-Metalleffektpigmente als auch deren Verwendung.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes. © KIPO & WIPO 2008 ...

내후성 진주광택 안료, 그 제조 방법 및 용도

... 본 발명은 합성 운모 플레이크, 유리 플레이크, Si02 플레이크, Al203 플레이크, 합성 베마이트 플레이크, 비스무트옥시클로라이드(BiOCl) 플레이크 및 이들의 혼합물로 구성되는 군으로부터 선택되고, 하나 이상의 고굴절 금속 산화물로 코팅된, 플레이틀릿-형태의 기재, 및 최상층으로 구성되는 내후성 진주광택 안료로서, 여기서 상기 최상층은 다음의 층들로 구성되는 것인 내후성 진주광택 안료: a) 산화세륨 및/또는 세륨 수산화물 및/또는 수화 산화세륨으로 구성되는 세륨-함유층으로서, 여기서 세륨-함유층은 고굴절 금속 산화물층에 직접적으로 적용되는 세륨-함유층, 및 b) 올리고머 실란의 반응 생성물을 함유하거나 이것으로 구성되는 유기-화학 상용화층으로서, 여기서 올리고머 실란은 하나 이상의 아미노기를 가지며 유기-화학 상용화층은 세륨-함유층 a)에 직접적으로 적용되는 유기-화학 상용화층, 이의 생산 공정 및 이의 용도에 관한 것이다.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Thin, platelet-shaped iron pigments, production thereof and use thereof

Iron effect pigments having a thickness distribution, determined via thickness counting by scanning electron microscopy (SEM), as a cumulative undersize distribution with: a) an h50 value from 10 to 55 nm; and b) an h90 value from 20 to 80 nm, and also a method for producing the pigments, and the use of the iron effect pigments. The disclosure further relates to a printing ink comprising the iron effect pigments of the invention.

THIN, PLATELET-SHAPED IRON PIGMENTS, PRODUCTION THEREOF AND USE THEREOF

PVD METAL EFFECT PIGMENT HAVING GRADIENT ON NANOSCALE METAL PARTICLES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

The invention relates to platelet-shaped PVD metal effect pigment having a first and a second outer surface, wherein the platelet-shaped PVD metal effect pigment comprises at least one PVD layer, wherein the at least one PVD layer comprises elemental metal having clusters made of elemental metal and metal oxide, wherein the contents of elemental metal are different in the first outer surface and in the second outer surface of the PVD metal effect pigment and differ by at least 10 atom %. The invention further relates to a method for producing said platelet-shaped PVD metal effect pigments and to the use thereof.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

薄い、微小板形状の鉄顔料、その製造、およびその使用

... 本発明は、鉄効果顔料に関し、その鉄効果顔料は、走査型電子顕微鏡(SEM)法による厚みの計測から求めた厚み分布で、下記のように表される累積篩下分布を有する。 a)h50が10~55nm b)h90が20~80nm また、本発明は、それを製造するための方法、さらには、その鉄効果顔料の使用にも関する。 本発明はさらに、本発明の鉄効果顔料を含む印刷インキにも関する。 ...

WEATHERING-RESISTANT PEARL-LUSTRE PIGMENTS, PROCESS FOR PRODUCING SAME AND USE

Alignable diffractive pigment flakes

Beschichtete Partikel

Die vorliegende Erfindung betrifft Partikel umfassend ein beschichtetes Substrat und als äußere Schicht eine Schicht umfassend eine Matrix und Nanopartikel, ein Verfahren zur Herstellung so beschichteter Partikel und deren Vewendung, insbesondere in Pulverlacken.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Dünne, plättchenförmige Eisenpigmente, Verfahren zu deren Herstellung und Verwendung derselben

안료

... 본 발명은, 기판의 표면 상에, (A0) 임의적으로, TiO2 층으로 구성된 고굴절률 코팅층, (A) 하나 이상의 추가적인 산화물로 임의적으로 도핑될 수 있는, TiO2 및 Fe2O3의 혼합물로 구성된 고굴절률 코팅층, (B) SnO2로 구성된 고굴절률 층, (C) 가시광선 파장 영역에서 흡수하는 고굴절률 코팅층, 및 (D) 임의적으로, 외부 보호 층 을 포함하는 연속 층을 갖는 다중코팅된 플레이크-유형 기판에 기초한 간섭 안료; 및 이의 용도, 특히 페인트, 코팅, 산업 코팅, 자동차 페인트, 자동차 마감 페인트, 코일 코팅, 분말 코팅, 인쇄 잉크, 플라스틱, 안료 페이스트, 안료 제제 및 건조 제제(예컨대 과립)에서의 용도에 관한 것이다.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes. © KIPO & WIPO 2007 ...

Diffractive pigments

Opaque flake for covert security applications

WEATHERING-RESISTANT PEARL-LUSTRE PIGMENTS, PROCESS FOR PRODUCING SAME AND USE

ALIGNABLE DIFFRACTIVE PIGMENT FLAKES

Effektpigmente auf Basis von aus anorganisch-organischen Mischphasen gebildeten Substraten, deren Herstellung und Verwendung

Die Erfindung handelt von Effektpigmenten mit plättchenförmigem Substrat, welche mindestens auf einer Seite mit mindestens einer Beschichtung aus semitransparentem Metall und/oder mindestens einer hochbrechenden Beschichtung mit einer Brechzahl >= 2,0 versehen sind, dadurch gekennzeichnet, dass das plättchenförmige Substrat wenigstens eine anorganisch/organische Mischphase umfasst. Ferner handelt die Erfindung von einem Verfahren zur Herstellung derartiger Effektpigmente, welches folgende Schritte umfasst: a) Vermengen wenigstens eines organischen Netzwerkbildners und wenigstens einer reaktiven organischen Komponente und wenigstens eines anorganischen Netzwerkbildners und/oder nanoskaligen anorganischen Partikeln sowie einer Flüssigphase unter Ausbildung einer Reaktionszusammensetzung, b) Aufbringen der Reaktionszusammensetzung auf einen flächigen Untergrund, c) Ausbilden einer verfestigten anorganisch/organischen Mischphase, d) Überführen der anorganisch/organischen Mischphase in plättchenförmige ...

DIFFRACTIVE PIGMENTS

WEATHERING-RESISTANT PEARL-LUSTRE PIGMENTS, PROCESS FOR PRODUCING SAME AND USE

The present invention relates to a weathering-resistant pearl-lustre pigment which consists of a lamellar substrate which has been coated with one or more high-refractive-index metal oxide(s) and which is selected from the group consisting of synthetic mica platelets, glass platelets, SiO2 platelets, Al2O3 platelets, synthetic boehmite platelets, BiOCl platelets and mixtures thereof, and of an outer layer, where the outer layer consists of the following layers: a) a cerium-containing layer which consists of cerium oxide and/or of cerium hydroxide and/or of cerium oxide hydrate, and the cerium-containing layer has been applied directly on the high-refractive-index metal oxide layer, b) an organic-chemistry compatibilizing layer which contains the reaction products of oligomeric silanes, or consists thereof, where the oligomeric silanes have one or more amino groups and the organic-chemistry compatibilizing layer has been applied directly on the cerium-containing layer a), a process for producing ...

Asymmetric pigment

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.

Wetterstabile Perlglanzpigmente, Verfahren zu ihrer Herstellung und Verwendung

Die vorliegende Erfindung betrifft ein wetterstabiles Perlglanzpigment, das aus einem mit einem oder mehreren hochbrechenden Metalloxid(en) beschichteten plättchenförmigem Substrat, das aus der Gruppe, die aus synthetischen Glimmerplättchen, Glasplättchen, SiO2-Plättchen, Al2O3-Plättchen, synthetischen Böhmitplättchen, BiOCl-Plättchen und deren Mischungen besteht, ausgewählt wird und einer Deckschicht besteht, wobei die Deckschicht aus folgenden Schichten besteht: a) einer Cer-haltigen Schicht, welche aus Ceroxid und/oder Cerhydroxid und/oder Ceroxidhydrat besteht und die Cer-haltige Schicht direkt auf der hochbrechenden Metalloxidschicht aufgebracht ist, b) einer organisch-chemischen Kompatibilisierungsschicht, welche die Reaktionsprodukte aus oligomeren Silanen enthält oder daraus besteht, wobei die oligomeren Silane eine oder mehrere Aminogruppen aufweisen und die organisch-chemische Kompatibilisierungsschicht direkt auf der Cer-haltigen Schicht a) aufgebracht ist, ein Verfahren zu deren ...

DIFFRAKTIVE PIGMENTE

Process for preparing an effect pigment

The present invention relates to a process for preparing a coloured effect pigment, comprising the steps of (a) preparing in an aqueous coating medium at least one layer of a hydroxyl-containing metal oxide on a substrate, thereby obtaining in the aqueous coating medium a first coloured pigment material CPM1 comprising the substrate coated with the hydroxyl-containing metal oxide, wherein the substrate is made of aluminium or aluminium alloy which optionally comprises at least one passivating layer, and wherein the hydroxyl-containing metal oxide is a hydroxyl-containing iron oxide or a hydroxyl-containing titanium oxide or a mixture thereof, (b) providing the first coloured pigment material CPM1 in a liquid post-treatment medium comprising one or more high boiling organic liquids, and (c) heating the liquid post-treatment medium to a temperature of at least 90° C. so as to convert the first coloured pigment material CPM1 to a second coloured pigment material CPM2.

Alignable diffractive pigment flakes

COATED PARTICLE CONTAINING, AS AN OUTER LAYER, A MATRIX CONTAINING INTEGRATED NANOPARTICLES

DIFFRACTIVE PIGMENTS

The invention relates to a pigment, the smallest size of which corresponds at least to a multiple of the greatest wavelength of ultraviolet light or the smallest wavelength of visible light. Said pigment comprises at least one defined diffractive structure, the spatial periodicity of which has a spatial period corresponding at least to a multiple of the wavelength of ultraviolet light. In particular, the inventive pigment has a laminar shape. The method for producing such pigments comprises the following steps: a) a defined diffractive structure is created in and/or on a film-type support; b) the defined diffractive structure is coated with a sealant on said support; c) the film-type support processed in steps a) and b) is comminuted so as to form pigment particles.

COATED PARTICLE CONTAINING, AS AN OUTER LAYER, A MATRIX CONTAINING INTEGRATED NANOPARTICLES

The invention relates to particles containing a coated substrate and, as an outer layer, a layer containing a matrix and nanoparticles, to a method for producing said type of coated particles and to the use thereof, in particular in powder coatings.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Asymmetric pigment

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.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Diffractive pigments

The invention relates to a pigment, the smallest size of which corresponds at least to a multiple of the greatest wavelength of ultraviolet light or the smallest wavelength of visible light. Said pigment comprises at least one defined diffractive structure, the spatial periodicity, of which has a spatial period corresponding at least to a multiple of the wavelength of ultraviolet light. In particular, the inventive pigment has a laminar shape. The method for producing such pigments comprises the following steps: a) a defined diffractive structure is created in and/or on a film-type support: b) the defined diffractive structure is coated with a sealant on said support: c) the film-type support processed in steps a) and b) is comminuted so as to form pigment particles.

Diffractive pigments

The invention relates to a pigment, the smallest size of which corresponds at least to a multiple of the greatest wavelength of ultraviolet light or the smallest wavelength of visible light. Said pigment comprises at least one defined diffractive structure, the spatial periodicity, of which has a spatial period corresponding at least to a multiple of the wavelength of ultraviolet light. In particular, the inventive pigment has a laminar shape. The method for producing such pigments comprises the following steps: a) a defined diffractive structure is created in and/or on a film-type support: b) the defined diffractive structure is coated with a sealant on said support: c) the film-type support processed in steps a) and b) is comminuted so as to form pigment particles.

Asymmetric pigment

Pigments

The present invention relates to interference pigments based on multicoated flake-form substrates which have on the surface of the substrate a layer sequence comprising (A0) optionally a high-refractive-index coating consisting of a layer of TiO2, (A) a high-refractive-index coating consisting of a mixture of TiO2 and Fe2O3, which may optionally be doped with one or more further oxides, (B) a high-refractive-index layer consisting of SnO2, (C) a high-refractive-index coating which absorbs in the visible wavelength region, and optionally (D) an outer protective layer, and to the use thereof, in particular in paints, coatings, industrial coatings, automobile paints, automotive refinish paints, coil coating, powder coatings, printing inks, plastics, pigment pastes, pigment preparations and in dry preparations, such as, for example, granules.

Effect pigments based on substrates formed from inorganic-organic mixed phases, production and use thereof

Effect pigments with a platelet-shaped substrate provided on at least one side with at least one coating of semitransparent metal and/or at least one high-index coating having a refractive index 2.0. The platelet-shaped substrate includes at least one mixed inorganic/organic phase. Also, a method of producing effect pigments including the following steps: a) combining at least one organic network former, at least one reactive organic component, at least one inorganic network former and/or nanoscale inorganic particles and a liquid phase to form a reaction composition, b) applying the reaction composition to a sheetlike base, c) forming a solidified mixed inorganic/organic phase, d) converting the mixed inorganic/organic phase into platelet-shaped substrates, and e) coating the platelet-shaped substrates with at least one coating of semitransparent metal and/or at least one high-index coating having a refractive index 2.0.

PVD METAL EFFECT PIGMENT HAVING GRADIENT ON NANOSCALE METAL PARTICLES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Thin, platy iron pigments, method for their manufacture and use

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

PVD METAL EFFECT PIGMENT HAVING GRADIENT ON NANOSCALE METAL PARTICLES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

EFFECT PIGMENTS BASED ON SUBSTRATES FORMED FROM INORGANIC-ORGANIC MIXED PHASES, PRODUCTION AND USE THEREOF

EFFECT PIGMENTS BASED ON SUBSTRATES FORMED FROM INORGANIC-ORGANIC MIXED PHASES, PRODUCTION AND USE THEREOF

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°.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

PVD metal effect pigment having gradient on nanoscale metal particles, method for the production thereof and use thereof

A platelet-shaped PVD metallic effect pigment having first and second outer faces, the platelet-shaped PVD metallic effect pigment having at least one PVD layer, the at least one PVD layer including elemental metal with clusters of elemental metal and metal oxide. The amounts of elemental metal in the first outer face and in the second outer face of the PVD metallic effect pigment are different from one another and they differ by at least 10 atom %. The disclosure further relates to a method for producing these platelet-shaped PVD metallic effect pigments, and to their use.

OPTICAL DEVICES WITH COLORED REFLECTOR LAYER

An optical device includes a colored reflector layer having a first surface, a second surface opposite the first surface, and a third surface; and a selective light modulator layer external to the first surface of the colored reflector layer. A method of making an optical device is also disclosed.

ALIGNABLE DIFFRACTIVE PIGMENT FLAKE

PROBLEM TO BE SOLVED: To provide a plurality of pigment flakes, and to enable to align the pigment flakes at desired orientations in order to realize various optical effects. SOLUTION: Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes. COPYRIGHT: (C)2008,JPO&INPIT ...

Thin, platy iron pigments, method for their manufacture and use

Die Erfindung betrifft Eiseneffektpigmente, wobei die Eiseneffektpigmente eine über Dickenauszählung mit Rasterelektronenmikroskopie (REM) ermittelte Dickenverteilung in der Darstellung als Summendurchgangsverteilung a) einen h50-Wert aus einem Bereich von 10 bis 55 nm b) einen h90-Wert aus einem Bereich von 20 bis 80 nm aufweisen, sowie ein Verfahren zu deren Herstellung als auch die Verwendung der Eiseneffektpigmente. Ferner betrifft die Erfindung eine Druckfarbe, die die erfindungsgemäßen Eiseneffektpigmente enthält.

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°.

Alignable diffractive pigment flakes

Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particular embodiment, deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes.

Weather-resistant pearlescent pigments, process for the production and use thereof

The present invention relates to a weather-resistant pearlescent pigment which consists of a platelet-shaped substrate coated with one or more highly refractive metal oxides, the platelet-shaped substrate being selected from the group consisting of synthetic mica flakes, glass flakes, SiO2 flakes, Al2O3 flakes, synthetic boehmite flakes, BiOCl flakes and mixtures thereof, and a top layer, wherein the top layer consists of the following layers: a) a cerium-containing layer, selected from the group consisting of cerium oxide, cerium hydroxide, hydrated cerium oxide, and mixtures thereof, the cerium-containing layer being applied directly to the highly refractive metal oxide layer, and b) an organic-chemical compatibilizing layer, which comprises the reaction products of oligomeric silanes, wherein the oligomeric silanes have one or more amino groups, the organic-chemical compatibilizing layer being applied directly to the cerium-containing layer a).

ASYMMETRIC PIGMENT

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. 1. An asymmetric pigment comprising:a first Fabry-Perot structure; anda second Fabry-Perot structure;wherein the first Fabry-Perot structure and the second Fabry-Perot structure have a similar hue angle within +/−45 degrees;and wherein the average thickness of the first Fabry-Perot structure and the second Fabry-Perot structure is a ratio of 1:1.5 to 1:2.5.2. The pigment of claim 1 , wherein the first Fabry-Perot structure and the second Fabry-Perot structure each independently include a reflector layer claim 1 , a dielectric layer claim 1 , and an absorber layer.3. The pigment of claim 1 , wherein an optical thickness of each of the first Fabry-Perot structure and the second Fabry-Perot structure is different.4. The pigment of claim 1 , wherein the first Fabry-Perot structure includes a 2 quarter wave optical thickness ranging from about 200 to about 400 nm.5. The pigment of claim 1 , wherein the first and the second Fabry-Perot structure can each independently include a 4 quarter wave optical thickness ranging from about 400 to about 600 nm.6. The pigment of claim 1 , wherein the second Fabry-Perot structure includes a 6 quarter wave optical thickness ranging from about 600 to about 800 nm.7. The pigment of claim 1 , wherein the first Fabry-Perot structure includes a 2 quarter wave optical thickness ranging from about 200 to about 400 nm; andwherein the second Fabry-Perot structure includes a 4 quarter wave optical thickness ranging from about 400 to about 600 nm.8. The pigment of claim 1 , wherein the first Fabry-Perot structure includes a 4 quarter wave optical thickness ranging from about 400 to about 600 nm; andwherein the second ...

pigmentos

PVD METAL EFFECT PIGMENT HAVING GRADIENT ON NANOSCALE METAL PARTICLES, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

A platelet-shaped PVD metallic effect pigment having first and second outer faces, the platelet-shaped PVD metallic effect pigment having at least one PVD layer, the at least one PVD layer including elemental metal with clusters of elemental metal and metal oxide. The amounts of elemental metal in the first outer face and in the second outer face of the PVD metallic effect pigment are different from one another and they differ by at least 10 atom %. The disclosure further relates to a method for producing these platelet-shaped PVD metallic effect pigments, and to their use.

Asymmetric pigment

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.

Process for preparing an effect pigment

The present invention relates to a process for preparing a coloured effect pigment, comprising the steps of (a) preparing in an aqueous coating medium at least one layer of a hydroxyl- containing metal oxide on a substrate, thereby obtaining in the aqueous coating medium a first coloured pigment material CPM1 comprising the substrate coated with the hydroxyl-containing metal oxide, wherein the substrate is made of aluminium or aluminium alloy which optionally comprises at least one passivating layer, and wherein the hydroxyl-containing metal oxide is a hydroxyl-containing iron oxide or a hydroxyl-containing titanium oxide or a mixture thereof, (b) providing the first coloured pigment material CPM1 in a liquid post-treatment medium comprising one or more high boiling organic liquids, and (c); heating the liquid post-treatment medium to a temperature of at least 90 DEG C so as to convert the first coloured pigment material CPM1 to a second coloured pigment material CPM2.

Method of preparing effect pigments

ALIGNABLE DIFFRACTIVE PIGMENT FLAKE

PROBLEM TO BE SOLVED: To provide a technique for aligning pigment flakes in a desired orientation. SOLUTION: Diffractive pigment flakes are selectively aligned to form an image. The flakes each having a magnetic layer are shaped to facilitate the alignment in a magnetic field. The flake include a magnetically discontinuous layer. Deposition of nickel on a diffraction grating pattern produces magnetic needles along the grating pattern that allow magnetic alignment of the resulting diffractive pigment flakes. Color scans of test samples of the magnetically aligned flakes show high differentiation between illumination parallel and perpendicular to the direction of alignment of the magnetic diffractive pigment flakes. COPYRIGHT: (C)2008,JPO&INPIT ...

Weather-resistant pearlescent pigments, process for the production and use thereof

The present invention relates to a weather-resistant pearlescent pigment which consists of a platelet-shaped substrate coated with one or more highly refractive metal oxides, the platelet-shaped substrate being selected from the group consisting of synthetic mica flakes, glass flakes, SiO2 flakes, Al2O3 flakes, synthetic boehmite flakes, BiOCl flakes and mixtures thereof, and an outer layer, where the outer layer consists of the following layers: a) a cerium-containing layer selected from the group consisting of cerium oxide and/or of cerium hydroxide and/or of cerium oxide hydrate, and the cerium-containing layer has been applied directly on the high-refractive-index metal oxide layer, b) an organic-chemistry compatibilizing layer, which comprises the reaction products of oligomeric silanes, wherein the oligomeric silanes have one or more amino groups, the organic-chemical compatibilizing layer being applied directly to the cerium-containing layer a), a process for producing same, and ...

ナノスケール金属粒子について勾配を有するＰＶＤ金属効果顔料、その製造方法、およびその使用

Effect Pigments with High Chroma and High Brilliancy, Method for the Production and Use Thereof

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. 1. An absorbent effect pigment comprising a nonmetallic substrate in platelet form and a coating applied to the substrate , wherein the coating includesa) optionally a layer 1 comprising or consisting of at least one of tin oxide, tin hydroxide or tin oxide hydrate,b) a layer 2 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,c) a layer 3 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,at least one of layers 2 and 3 comprises at least two different metal ions and layers 2 and 3 are interrupted by a spacer layer, wherein the at least one spacer layer includes connections and cavities and wherein the at least one spacer layer has a network density of <85%.2. The absorbent effect pigment as claimed in claim 1 , wherein the nonmetallic substrate in platelet form is selected from the group consisting of natural mica platelets claim 1 , synthetic mica platelets claim 1 , iron mica claim 1 , glass platelets claim 1 , SiOplatelets claim 1 , AlOplatelets claim 1 , kaolin platelets claim 1 , talc platelets claim 1 , bismuth oxychloride platelets and mixtures thereof claim 1 , and the nonmetallic substrate in platelet form has optionally been coated with at least one metal oxide claim 1 , metal hydroxide and metal oxide hydrate.3. The absorbent effect pigment as claimed in claim 1 , wherein the effect pigment comprises further layers of high or low refractive index and optionally at least one further spacer layer.4. The absorbent effect pigment as claimed in claim 1 , wherein the at least two different metal ions of layers 2 and 3 are selected from the group of metals consisting of Ti claim 1 , Fe claim 1 , Sn claim 1 , Mn ...

METHOD OF ENCAPSULATING PIGMENT FLAKES WITH A METAL OXIDE COATING

A method of encapsulating pigment flakes with a metal oxide coating is provided. According to the method, pigment flakes are mixed with a solvent, a metal salt is added to the solvent, and a reducing agent is added to the solvent, so as to encapsulate the pigment flakes with a metal oxide coating. 115-. (canceled)16. A pigment flake comprising: [ mixing pigment flakes with a solvent;', 'adding a metal salt to the solvent; and', 'adding a reducing agent to the solvent so as to encapsulate the pigment flakes with the metal oxide coating,, 'wherein the pigment flake is encapsulated with the metal oxide coating by, 'wherein the pigment flakes include the pigment flake, and', 'wherein the metal salt is a precursor to the metal oxide coating., 'a metal oxide coating,'}17. The pigment flake of claim 16 , wherein the metal oxide coating consists essentially of a metal oxide.18. The pigment flake of claim 16 , wherein the metal salt is a zinc salt.19. The pigment flake of claim 16 , wherein the metal oxide coating is a zinc oxide coating.20. The pigment flake of claim 19 , wherein the zinc oxide coating consists essentially of zinc oxide.21. The pigment flake of claim 16 , wherein the reducing agent is a hydride reducing agent or a borane complex reducing agent.22. The pigment flake of claim 16 , wherein the reducing agent is sodium borohydride.23. The pigment flake of claim 16 , wherein the metal salt dissolves in the solvent to provide metal cations.24. The pigment flake of claim 23 , wherein the reducing agent reduces the metal cations.25. The pigment flake of claim 16 , wherein the metal oxide coating fully encapsulates the pigment flake.26. A pigment flake comprising: [ mixing pigment flakes with a solvent; and', 'adding a reducing agent to the solvent so as to encapsulate the pigment flakes with the metal oxide coating, and, 'wherein the pigment flake is encapsulated with the metal oxide coating by, 'wherein the pigment flakes include the pigment flake., 'a metal oxide ...

EFFECT PIGMENTS BASED ON COLORED HECTORITES AND COATED COLORED HECTORITES AND MANUFACTURE THEREOF

This invention deals with effect pigment comprising a colored hectorite which is produced by ion exchange process of an initial hectorite with a cationic dye, wherein the initial hectorite can be represented by the formula 1. Effect pigment comprising a colored hectorite produced by an ion exchange process of an initial hectorite with a cationic dye , wherein the initial hectorite is represented by formula (I):{'br': None, 'sub': z/n', 'x', '(3.0−(x+y)□y', '4', '10', '2, 'K[LiMgSiOF]\u2003\u2003(I),'}wherein n is a charge of K, z=x+2y, 0.2 Подробнее

EFFECT PIGMENT PREPARATION

An effect pigment preparation comprises an effect pigment, a dispersive additive, and a passivating agent. The preparation is dry, the pigment comprises about 84% or more of the mass of the preparation, the dispersive additive comprises up to 15% of the mass of the preparation, and the number of theoretical layers of the passivating agent is from about 2 to about 12. The effect pigment preparation is non-dusting and can be easily stirred into aqueous, solvent, or UV curing-based liquid coatings formulations. 1. An effect pigment preparation comprising:an effect pigment,a dispersive additive, anda passivating agent,wherein the preparation is dry, the pigment comprises about 84% or more of the mass of the preparation, the dispersive additive comprises up to about 15% of the mass of the preparation, and the number of theoretical layers of the passivating agent is from about 2 to about 12.2. The effect pigment preparation of claim 1 , wherein the preparation comprises less than about 5% solvent claim 1 , preferably less than 2% solvent claim 1 , more preferably no solvent.3. The effect pigment preparation of any of claim 1 , wherein the preparation is in the form of a tablet claim 1 , pellet claim 1 , granule claim 1 , noodle claim 1 , briquette claim 1 , or sphere.4. The effect pigment preparation of claim 1 , wherein the pigment is a metallic pigment comprising a metal selected from aluminum claim 1 , copper claim 1 , copper-zinc alloys claim 1 , copper-tin alloys claim 1 , stainless steel claim 1 , carbon steel claim 1 , iron claim 1 , silver claim 1 , zinc claim 1 , nickel claim 1 , titanium claim 1 , chromium claim 1 , manganese claim 1 , vanadium claim 1 , magnesium claim 1 , zinc-magnesium alloys claim 1 , and mixtures thereof.5. The effect pigment preparation of claim 1 , wherein the pigment is a pearlescent pigment.6. The effect pigment preparation of claim 5 , wherein the pearlescent pigment comprises a substrate selected from natural mica claim 5 , synthetic ...

Method for producing glitter

The invention relates to a method for producing glitter comprising particles having a thickness of ≧1 μm from a predetermined starting material, which particles are introduced into a mixed bed which is produced by means of a fluidised bed, the mixed bed being adjusted by means of a primary flow and a secondary flow, and the individual particles in the mixed bed being sealed at all sides with a layer of protective material so as to enclose cut and broken edges.

PIGMENTS

Pigments based on particles which are coated with at least one layer which consists of a mixture of amorphous carbon (a-C) and nanocrystalline graphite (nc-graphite) and use of these pigments in, for example, paints, plastics, industrial coatings, automotive coatings, printing inks and cosmetic formulations. 1. A pigment comprising coated particles wherein the particles are coated with at least one layer which consists of a mixture of amorphous carbon (a-C) and nanocrystalline graphite (nc-graphite).2. The pigment of claim 1 , wherein the ratio a-C/nc-graphite in the at least one a-C/nc-graphite layer is in the range of 60:40 to 80:20.3. The pigment of claim 1 , wherein the at least one a-C/nc-graphite layer has a thickness of 1-10 nm.4. The pigment of claim 1 , wherein the particles are selected from the following group of substrates: natural or synthetic mica claim 1 , talc claim 1 , kaolin claim 1 , FeOflakes claim 1 , FeOflakes claim 1 , AlOflakes claim 1 , BiOCl flakes claim 1 , glass flakes claim 1 , SiOflakes claim 1 , TiO claim 1 , flakes claim 1 , BN flakes claim 1 , aluminum flakes claim 1 , Si-oxynitride flakes claim 1 , Si-/Ti-nitride flakes claim 1 , graphite flakes claim 1 , pearl essence claim 1 , synthetic support-free flakes claim 1 , glass beads claim 1 , filler pigments claim 1 , interference pigments claim 1 , multilayer pigments claim 1 , colour flop pigments claim 1 , goniochromatic pigments claim 1 , metal effect pigments claim 1 , silicon particles or mixtures thereof.5. The pigment of claim 1 , wherein the particles are spherical or platelet-shaped.6. The pigment of claim 1 , wherein the particles are further coated with a least one metal oxide and/or metal.7. The pigment of claim 1 , wherein the pigments have one of the following combinations of substrate particle and layers:substrate+a-C/nc-graphite layer;{'sub': '2', 'substrate+a-C/nc-graphite layer+TiO;'}{'sub': 2', '3, 'substrate+a-C/nc-graphite layer+FeO;'}{'sub': 3', '4, 'substrate+a- ...

Corrosion-Resistant Metal-Effect Pigments, Method for Producing the Same and Use Thereof

Metal-effect pigment including a metallic, plate-shaped core, which is coated with at least one polymer layer, wherein the polymer layer is homogeneous polyurea-type polymer, wherein the polyurea-type polymer of the polaner layer is obtained by an addition reaction of a component A with a component B, wherein component A includes molecules including 1-20 primary and/or secondary amino groups and component B includes molecules including 1-20 isocyanate groups. 1. A metal-effect pigment comprising a metallic , plate-shaped core , which is coated with at least one polymer layer , whereinthe polymer layer comprises homogeneous and of the polyurea-type polymer, wherein the polyurea-type polymer of the polymer layer is obtained by an addition reaction of a component A with a component B,wherein the component A comprises molecules comprising 1-20 primary and/or secondary amino groups and the component B comprises molecules comprising 1-20 isocyanate groups.2. The metal-effect pigment according to claim 1 ,wherein molecules of component A comprise 2 to 4 primary and/or secondary amino groups, and molecules of component B comprises 2 to 4 isocyanate groups.3. The metal-effect pigment according to claim 1 ,wherein the average layer thickness of the polymer layer is 5-1000 nm.4. The metal-effect pigment according to claim 1 ,wherein the polymer layer is 0.5-80 wt.-%, relative to the total weight of the coated metal pigment.5. The metal-effect pigment according to claim 2 ,wherein both component A and component B of the polyurea-type polymer layer further comprise one or more isophorone groups.6. The metal-effect pigment according to claim 5 ,wherein the component A is a mixture of an isophorone diamine and an aliphatic diamine, wherein the weight ratio of isophorone diamine to aliphatic diamine is 3:1 to 1:2.7. The metal-effect pigment according to claim 1 ,wherein the metallic plate-shaped core comprises at least one metal, and wherein the at least one metal is selected from ...

CARBON-COATED BiOCl PIGMENTS

BiOCl pigments coated with an amorphous carbon. A process for the preparation of the pigments. And use of the pigments prepared in this way, inter alia in paints, coatings, printing inks, plastics and cosmetics. 1. A coated BiOCl pigment , which comprises a flake-form BiOCl pigment coated on the surface with an amorphous carbon layer.2. The BiOCl pigment according to claim 1 , wherein the flake-form BiOCl pigment has a particle size of 1-30 μm.3. The BiOCl pigment according to claim 1 , wherein the BiOCl pigment has a thickness of 50-100 nm.4. The BiOCl pigment according to claim 1 , wherein the BiOCl pigment has a volume-weighted Dvalue of <25 μm (determined using a Malvern).5. The BiOCl pigment according claim 1 , wherein the BiOCl pigment has an aspect ratio (ratio of length or width to thickness) of 10-600.6. The BiOCl pigment according to claim 1 , wherein the amorphous carbon layer has a geometrical layer thickness of 1 to 5 nm.7. The BiOCl pigment according to claim 1 , wherein the proportion of the amorphous carbon layer claim 1 , based on the weight of the coated BiOCl pigment claim 1 , is 0.5-5% by weight.8. A process for the preparation of the coated BiOCl pigment according to claim 1 , which comprises covering the flake-form BiOCl pigment as substrate with a layer of amorphous carbon in a reactor in a stream of carrier gas at a temperature of 150-400° C. in the presence of one or more carbon-containing compounds by pyrolytic decomposition of the carbon-containing compound(s).9. The process according to claim 8 , wherein one or more carbon-containing compound is acetone claim 8 , ethine or a pulverulent compound selected from the group consisting of mono- claim 8 , di- or trisaccharides.10. The process according to claim 8 , wherein one or more carbon-containing compound is fructose claim 8 , glucose claim 8 , dextrose claim 8 , galactose claim 8 , xylose claim 8 , mannose claim 8 , lactose claim 8 , sucrose claim 8 , maltose or a mixture of the said ...

Effect pigments

Effect pigments based on Al 2 O 3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al 2 O 3 of the Al 2 O 3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.

PEARLESCENT PIGMENTS COATED WITH MIXED INORGANIC/ORGANIC LAYERS AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to platelet-shaped pearlescent pigments that are coated with at least one mixed inorganic/organic layer for improving their application properties, and of these, particularly their mechanical properties, and to methods for the production thereof and to the use thereof. The said mixed inorganic/organic layer comprises at least one at least partially crosslinked inorganic metal-oxide component and an organic component. The organic component is at least one organic oligomer and/or polymer, which is covalently bonded, at least in part, to the inorganic network via network formers, wherein the coating comprises at least one mixed inorganic/organic layer, which mixed mixed layer comprises, at least in part, an inorganic network having one or more inorganic oxide component(s) and at least one organic component, the organic component being, at least in part, an organic oligomer and/or polymer covalently bonded, at least in part, to the inorganic network via one or more organic network formers. The invention also relates to a method for the production of such pearlescent pigments. 1. Pearlescent pigments comprising a coating and a platelet-shaped transparent substrate ,whereinthe coating comprises at least one mixed inorganic/organic layer, said mixed layer comprising at least in part an inorganic network having one or more inorganic oxide component(s) and at least one organic component, and the organic component is, at least in part, at least one of an organic oligomer and a polymer which is covalently bonded, at least in part, to the inorganic network via one or more organic network formers,wherein {'br': None, 'sup': 1', '2', '3, 'sub': n', 'm', 'o', '(4-n-m-o), 'RRRSiX\u2003\u2003(I)'}, 'the at least partial covalent bonding of the inorganic oxide component and organic oligomer and/or polymer takes place, at least in part, via one or more organic network formers, said organic network former having the general formula (I)'}{'sup': '1', 'in which X is ...

Effect pigments coated with organic binders for powder paints, and a method for producing said coated effect pigments and their use

The invention relates to coated effect pigments, wherein the coating comprises a binder which is suitable for powder paints. They comprise a crystalline and an amorphous fraction which is determined by CNMR MAS relaxation measurements, the relaxation of the C cores being fitted as a biexponential relaxation according to the formula (II) and the degree of crystallinity c being in a range between 40 to 85%, and relaxation having a short average relaxation time Tand a long average relaxation time T, and Tbeing in a range of from 65 to 130 s. The effect pigments coated according to the invention have at least one endothermic peak with a maximum from a range of T=100 to 150° C. and an enthalpy ΔH associated with said peak from a range of 15 J/g to 80 J/g in DSC at a feed speed of 5° C./min, the enthalpy being calculated relative to the amount of the binder. The binders are applied to the effect pigment by way of spontaneous precipitation. 2. The coated effect pigment as claimed in claim 1 , wherein the long average relaxation time Tis in a range from 70 to 110 s.3. The coated effect pigment as claimed in claim 1 , wherein the binder is not an LCST or UCST polymer.4. The coated effect pigment as claimed in claim 1 , wherein the binder in the PXRD diffractogram in Debye-Scherrer geometry (capillary 0.3 mm diameter) has structured peaks with full widths at half maximum in the range from 0.7 to 2.0° (in 2q) claim 1 , using Cu Kα1 as x-ray source and using germanium(111) with a slit width of 0.5 mm as monochromator.5. The coated effect pigment as claimed in claim 1 , wherein in a DSC diagram at a rate of advance of 5° C./min it exhibits at least one endothermic peak having a maximum from a range of T=100 to 150° C. and also having an enthalpy DH associated with this peak from a range from 15 J/g to 80 J/g claim 1 , the enthalpy being calculated on the amount of the binder.6. (canceled)7. The coated effect pigment as claimed in claim 1 , characterized claim 1 , in that wherein ...

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. 1. A process of manufacturing pearlescent pigments , comprising the steps of:providing substrates of monolithically structured aluminum platelets having an average thickness of from 1 to 150 nm, and having an aspect ratio expressed by the ratio of the average size to the average thickness of at least 80;coating the above aluminum platelets with a coating layer A of silicon dioxide;coating the such coated aluminum platelets with a coating layer B of a metal oxide as an interference layer, with the metal oxide being other than silicon dioxide and having a refractive index of at least 1.8;wet-oxidizing under basic conditions the above aluminum platelets, either before or after coating with the coating layers A and B, whereby the aluminum platelets are partially or entirely converted into aluminum oxide or aluminum hydroxide; andsubsequently isolating the partially or entirely wet-oxidized aluminum platelets coated with the coating layers A and B.2. The process of manufacturing pearlescent pigments according to claim 1 , wherein the step of coating with the coating layer A comprises a hydrolytic decomposition of an organic silicon compound.3. The process of manufacturing pearlescent pigments according to claim 1 , wherein the step of coating with the coating layer B comprises a precipitation of a dissolved metal salt claim 1 , followed by annealing.4. The process of manufacturing pearlescent pigments according to claim 1 , wherein the monolithically structured aluminum platelets are entirely converted into aluminum oxide or aluminum hydroxide in the wet oxidation step.5. The process of manufacturing pearlescent pigments according to claim 1 , wherein the coating layer B is coated with one or more layer(s) of a metal oxide having a refractive index of at least 1.8.6. The process of ...

METALLIC BISMUTH PIGMENTS

It has been found that bismuth can be milled into pigment platelets. A metallic pigment comprises bismuth metal and an organic additive. The pigment is platelet shaped. In addition, the platelet shaped pigment comprising bismuth metal can be produced by physical vapor deposition (PVD) methods. In some embodiments, the metallic pigment comprises multiple layers. 1. A metallic pigment comprising bismuth metal and an organic additive , wherein the pigment is platelet shaped.2. The pigment of claim 1 , wherein the metal in the pigment comprises about 75% or more bismuth metal.3. The pigment of claim 1 , wherein the metal in the pigment is an alloy comprising bismuth and one or more other elements.4. The pigment of claim 3 , wherein the one or more other elements is selected from H claim 3 , O claim 3 , N claim 3 , C claim 3 , Cl claim 3 , Br claim 3 , I claim 3 , F claim 3 , Cd claim 3 , Pb claim 3 , Al claim 3 , Zn claim 3 , Mn claim 3 , Cu claim 3 , Zn claim 3 , In claim 3 , Sn claim 3 , Sb claim 3 , Ag claim 3 , and mixtures thereof.5. The pigment of wherein the pigment further comprises one or more organic outer layers.6. The pigment of claim 1 , wherein the pigment further comprises one or more inorganic outer layers.7. The pigment of claim 1 , wherein the pigment has a cornflake or silver dollar morphology.8. The pigment of claim 1 , wherein the pigment comprises three or more layers claim 1 ,wherein the bismuth metal or alloy is a layer (bismuth comprising layer),wherein one or more layers comprises a dielectric (dielectric layer),wherein one or more layers comprises metal (additional metal layer), andwherein the dielectric layers are between the bismuth comprising layer and the additional metal layer.9. The pigment of claim 8 , wherein the pigment comprises more than two additional metal layers and more than two dielectric layers claim 8 , wherein the dielectric layers are between two additional metal layers and between the bismuth comprising layer and the ...

Weather-Resistant Pearlescent Pigments, Process for the Production and Use Thereof

The present invention relates to weather-resistant pearlescent pigment, comprising 1. A weather-resistant pearlescent pigment , comprising:{'sub': 2', '2', '3, 'a coated or uncoated platelet-shaped substrate which is selected from the group consisting of synthetic mica platelets, glass platelets, SiOplatelets, AlOplatelets, synthetic boehmite platelets, BiOCl platelets and mixtures thereof,'}a chromophoric coating comprising at least one highly refractive metal oxide, anda top layer,whereinthe top layer comprises the following layer sequence:a) a first layer comprising tin oxide and/or tin hydroxide and/or hydrated tin oxide,b) a second cerium-containing layer which comprises cerium oxide and/or cerium hydroxide and/or hydrated cerium oxide,c) an organic-chemical coating applied to the cerium-containing layer which comprises one or more oligomeric silane(s), wherein the oligomeric silane(s) have one or more amino groups and the oligomeric silane(s) are chemically bonded with the cerium-containing layer.2. The weather-resistant pearlescent pigment according to claim 1 , wherein claim 1 ,the substrate is selected from the group consisting of synthetic mica platelets, glass platelets and mixtures thereof.3. The weather-resistant pearlescent pigment according to claim 1 , wherein claim 1 ,{'sub': '2', 'the proportion of tin oxide, tin hydroxide and/or hydrated tin oxide, calculated as SnO, in the top layer lies in a range of from 0.4 to 4.0 wt.-%, relative to the total weight of the pearlescent pigment.'}4. The weather-resistant pearlescent pigment according to claim 1 , wherein claim 1 ,{'sub': '2', 'the weight ratio of tin oxide, tin hydroxide and/or hydrated tin oxide, calculated as SnO, to Ce, calculated as elemental Ce, in the top layer lies in a range of from 2 to 10.'}5. The weather-resistant pearlescent pigment according to claim 1 , wherein claim 1 ,the proportion by weight of Ce, calculated as elemental Ce, in the top layer lies in a range of from 0.05 to 1.5, ...

PIGMENT PARTICLES HAVING A SURFACE COATING AND COATING COMPOSITION COMPRISING SUCH PIGMENT PARTICLES

In order to provide pigment particles and coating compositions comprising them that are suitable for demanding industrial protective coatings and coatings in the automobile sector, a proposal is made for pigment particles having a surface coating for use in a stratifying coating composition, where the surface coating of the pigment particles is formed using an organic, amino-functional component, which in particular has two or more amino groups, and a reactive, silane-functional component different from the aforesaid component. 1. Pigment particles having a surface coating for use in a stratifying coating composition , wherein the surface coating of the pigment particles is formed using an organic , amino-functional component and a reactive , silane-functional component different from the organic , amino-functional component.2. The pigment particles as claimed in claim 1 , wherein the surface coating has a weight fraction claim 1 , and the uncoated pigment has a weight and the weight fraction of the surface coating is around 0.3 wt % to around 7 wt % of the weight of the uncoated pigment particles.3. The pigment particles as claimed in claim 1 , wherein the organic amino component comprises an oligomeric claim 1 , amino-functional polyether claim 1 , an oligomeric polyethyleneimine claim 1 , an aliphatic claim 1 , aromatic and/or heterocyclic amine claim 1 , or mixtures of two or more of the organic amino components.4. The pigment particles as claimed in claim 1 , wherein the silane-functional component comprises an acryl- claim 1 , epoxy- and/or amino-functional claim 1 , silane-functional component.5. The pigment particles as claimed in claim 4 , wherein the organic amino-functional component is selected from polyoxypropylenediamine claim 4 , 1 claim 4 ,2-diaminocyclohexane claim 4 , 2 claim 4 ,4 claim 4 ,6-triaminopyramidine claim 4 , and 1H-benzotriazole.6. The pigment particles as claimed in claim 4 , wherein the reactive silane-functional component is selected ...

Composition for laminated coating film comprising iron oxide particles coated with silicon oxide

The object of the present invention is to provide a composition for a laminated coating film having designability to a coated body and weather resistance. The present invention provides a composition for a laminated coating film, comprising silicon oxide-coated iron oxide particles, wherein at least a part of the surface of said iron oxide particles is coated with silicon oxide, wherein the diameter of said iron oxide particles is 1 to 50 nm, and wherein the average reflectivity of said silicon oxide-coated iron oxide particles for the light of the wavelengths of 620 to 750 nm is 25% or less. It is preferable that the transmittance of the dispersion comprising said silicon oxide-coated iron oxide particles for the light of the wavelength of 200 to 420 nm is 2.0% or less, and the transmittance of the same for the light of the wavelength of 620 to 780 nm is 80% or more.

Solvent-less method to manufacture thin film devices

A method of forming a thin film device includes coating a web with a multi-layer thin film; and applying a mechanical force to release the multi-layer thin film from the web. Additional methods of forming a thin film device are disclosed.

Pvd metal effect pigment powder

The invention relates to powder made of coated PVD metal effect pigment, highly concentrated suspensions of coated PVD metal effect pigment as well as the use thereof in powder lacquers and masterbatches. The powder according to the invention made of coated PVD metal effect pigments is characterized by a very good redispersibility and is outstandingly suitable in particular for the preparation of highly concentrated suspensions. Furthermore, it is very free flowing, substantially agglomerate-free and results in coatings with excellent metallic gloss.

NON-METALLIC PIGMENTS HAVING METAL PROPERTIES

The present invention relates to non-metallic interference pigments, in particular laminar interference pigments, which comprise a thin high-refractive layer and an outermost layer that contains crystalline carbon in the form of graphite and/or graphene. The invention also relates to a method for producing such pigments and the use of the thus produced pigments. 1. Non-metallic interference pigments based on a flake-form non-metallic support , where the pigments have a particle size having a volume-weighted dvalue of <25 μm , the support has a coating comprising one or more successive layers of a colourless material having a refractive index n of n≧1.8 with a geometrical overall layer thickness of at most 70 nm , and where the pigments have an outermost layer which consists of at least 95% by weight , based on the weight of this layer , of carbon and comprises crystalline carbon in the form of graphite and/or graphene.2. Interference pigments according to claim 1 , characterised in that they have a volume-weighted dvalue of less than 15 μm.3. Interference pigments according to claim 1 , characterised in that the outermost claim 1 , crystalline carbon-containing layer consists of at least 98% by weight of carbon.4. Interference pigments according to claim 1 , characterised in that the outermost claim 1 , crystalline carbon-containing layer has a geometrical layer thickness in the range from 0.5 to 5 nm.5. Interference pigments according to claim 1 , characterised in that the proportion of the outermost claim 1 , crystalline charge-carrier layer claim 1 , based on the weight of the interference pigment claim 1 , is 0.5 to 5% by weight.6. Interference pigments according to claim 1 , characterised in that the flake-form support is natural or synthetic mica flakes claim 1 , kaolin claim 1 , sericite or talc flakes claim 1 , BiOCl flakes claim 1 , TiOflakes claim 1 , glass flakes claim 1 , borosilicate flakes claim 1 , SiOflakes claim 1 , AlOflakes claim 1 , boron nitride ...

ELECTRICALLY CONDUCTIVE, COLORED INTERFERENCE PIGMENTS

The present invention relates to electrically conductive, coloured interference pigments, in particular flake-form interference pigments, which have an outermost layer which comprises crystalline carbon in the form of graphite and/or graphene, to a process for the preparation of such pigments, and to the use of the pigments prepared in this way. 1. Electrically conductive , coloured interference pigments based on a flake-form support , where the support has a coating comprising one or more layers and where the outermost layer furthest remote from the support consists of at least 95% by weight , based on the weight of this layer , of carbon and comprises crystalline carbon in the form of graphite and/or graphene.2. Interference pigments according to claim 1 , characterised in that the outermost claim 1 , crystalline carbon-containing layer consists of at least 98% by weight of carbon.3. Interference pigments according to claim 1 , characterised in that the outermost claim 1 , crystalline carbon-containing layer has a geometrical layer thickness in the range from 1 to 5 nm.4. Interference pigments according to claim 1 , characterised in that the proportion of the outermost claim 1 , crystalline charge-carrier layer claim 1 , based on the weight of the pigment claim 1 , is 0.5 to 5% by weight.5. Interference pigments according to claim 1 , characterised in that the flake-form support is natural or synthetic mica flakes claim 1 , kaolin claim 1 , sericite or talc flakes claim 1 , BiOCl flakes claim 1 , iron oxide flakes claim 1 , TiOflakes claim 1 , glass flakes claim 1 , borosilicate flakes claim 1 , SiOflakes claim 1 , AlOflakes claim 1 , boron nitride flakes claim 1 , metal flakes claim 1 , or mixtures of two or more thereof.6. Interference pigments according to claim 1 , characterised in that they have one or more dielectric layers between the flake-form support and the outermost claim 1 , crystalline carbon-containing layer claim 1 , where at least one of these ...

METHOD FOR MANUFACTURING A SPECIAL EFFECT PIGMENT

A method of making pigments, such as special effect pigment includes forming a first slurry including a first solvent, a substrate, and a polymer; forming a functional solvent including a second solvent and a functional component; and combining the first slurry and the functional solvent so that the substrate is encapsulated by the polymer to form a first coating. Special effect pigments formed by the method are also disclosed. 1. A method of making pigments , comprising:forming a first slurry including a first solvent, a substrate, and a polymer;forming a functional solvent including a second solvent and a functional component; andcombining the first slurry and the functional solvent so that the substrate is encapsulated by the polymer to form a first coating.2. The method of claim 1 , wherein the first solvent is compatible with the polymer.3. The method of claim 1 , wherein the first solvent is water or an organic solvent.4. The method of claim 1 , wherein the first solvent includes acetates claim 1 , acetones claim 1 , water claim 1 , ketones claim 1 , glycol claim 1 , glycol derivatives claim 1 , alcohols claim 1 , esters claim 1 , heterocyclic solvents claim 1 , hydrocarbons claim 1 , coalescing solvents claim 1 , cyclohexanone claim 1 , chlorobenzene claim 1 , butanol claim 1 , and mixtures thereof.5. The method of claim 1 , wherein the substrate includes a single layer of material or a multi-layer structure.6. The method of claim 5 , wherein the single layer of material includes a material chosen from aluminum claim 5 , copper claim 5 , silver claim 5 , gold claim 5 , platinum claim 5 , palladium claim 5 , nickel claim 5 , cobalt claim 5 , niobium claim 5 , chromium claim 5 , tin claim 5 , and combinations or alloys of these metals.7. The method of claim 1 , wherein the polymer includes cellulose acetate butyrate claim 1 , polystyrene claim 1 , polyvinyl acetate claim 1 , polymethyl methacrylate claim 1 , and mixtures thereof.8. The method of claim 1 , ...

Effect Pigments with High Chroma and High Brilliancy, Method for the Production and Use Thereof

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. 1. An absorbent effect pigment comprising a nonmetallic substrate in platelet form and a coating applied to the substrate , wherein the coating comprisesa) optionally a layer 1 comprising or consisting of at least one of tin oxide, tin hydroxide or tin oxide hydrate,b) a layer 2 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate, andc) a layer 3 comprising at least one of metal oxide, metal hydroxide or metal oxide hydrate,at least one of layers 2 and 3 comprises at least two different metal ions and layers 2 and 3 are interrupted by a spacer layer.2. The absorbent effect pigment as claimed in claim 1 , wherein the nonmetallic substrate in platelet form is selected from the group consisting of natural mica platelets claim 1 , synthetic mica platelets claim 1 , iron mica claim 1 , glass platelets claim 1 , SiOplatelets claim 1 , AlOplatelets claim 1 , kaolin platelets claim 1 , talc platelets claim 1 , bismuth oxychloride platelets and mixtures thereof claim 1 , and the nonmetallic substrate in platelet form has optionally been coated with at least one of metal oxide claim 1 , metal hydroxide or metal oxide hydrate.3. The absorbent effect pigment as claimed in claim 1 , wherein the effect pigment comprises further layers of high and/or low refractive index and optionally at least one further spacer layer.4. The absorbent effect pigment as claimed in claim 1 , wherein the at least two different metal ions of layers 2 and 3 are selected from the group of metals consisting of Ti claim 1 , Fe claim 1 , Sn claim 1 , Mn claim 1 , Zr claim 1 , Ca claim 1 , Sr claim 1 , Ba claim 1 , Ni claim 1 , Sb claim 1 , Ag claim 1 , Zn claim 1 , Cu claim 1 , Ce ...

Red-Coloured Decorative Pigments with High Chroma and High Brilliancy, Method for Their Production and Use of Same

The present invention relates to red effect pigments including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one of metal oxide, metal hydroxide or metal oxide hydrate, the metal ions of the metal oxide, metal hydroxide and/or metal oxide hydrate comprise at least two different metal ions selected from the group of metals consisting of Fe, Sn, Ti and Zr, and to a process for production thereof and to the use of the red effect pigments. 1. A red effect pigment comprising a nonmetallic substrate in platelet form and a coating applied to the substrate , wherein the coating comprises at least one of metal oxide , metal hydroxide or metal oxide hydrate , the metal ions of the metal oxide , metal hydroxide and/or metal oxide hydrate comprise at least two different metal ions selected from the group of metals consisting of Fe , Sn , Ti and Zr , the proportion of iron ions , determined by means of XRF and calculated as the elemental iron , totals at least 17% by weight , based on the total weight of the red effect pigment , and where the hue angle h*in the CIE LCh color space is within a range from 320° to 360° and 0° to 60°.2. The red effect pigment as claimed in claim 1 , wherein the proportion of tin claim 1 , titanium and zirconium ions totals ≦20% by weight claim 1 , determined in each case by means of XRF claim 1 , calculated in each case as the elemental metal and based in each case on the total weight of the red effect pigment.3. The red effect pigment as claimed in claim 1 , wherein the proportion of metal ions selected from the group of metals consisting of Sn claim 1 , Ti and Zri. in the case of tin ions totals ≦17% by weight orii. in the case of titanium ions totals ≦15% by weight oriii. in the case of zirconium ions totals ≦18% by weight oriv. in the case of tin and titanium ions totals ≦19% by weight,determined in each case by means of XRF, calculated in each case as the elemental metal and based ...

Effect Pigments Having High Transparency, High Chroma and High Brilliancy, Method for the Production and Use Thereof

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.

COMPOSITE COLOR PARTICLES

The present invention is directed to a display fluid comprising charged composite color particles dispersed in a solvent. The composite color particle comprises core particles which are at least one color core particle and at least one core particle having a high refractive index, a shell in which the color core particles and the high refractive index core particles are completely or partially embedded, and steric stabilizer molecules on the surface of the composite color particle. A display fluid comprising the composite color particles of the present invention provides improved optical performance. 1. A composite color particle comprising:a) at least one color core particle which is non-white and non-black;b) at least one high refractive index core particle;c) a shell in which the color core particle and the high refractive index core particle are completely or partially embedded; andd) steric stabilizers on the surface of the composite color particle.2. The composite color particle of claim 1 , wherein the refractive index of the color core particle is lower than that of the high refractive index core particle.3. The composite color particle of claim 1 , wherein the color core particle is red claim 1 , green claim 1 , blue claim 1 , yellow claim 1 , magenta claim 1 , or cyan.4. The composite color particle of claim 1 , wherein the color core particle comprises an organic pigment.5. The composite color particle of claim 1 , wherein the color core particle comprises an inorganic pigment.6. The composite color particle of claim 1 , wherein the high refractive index core particle is white or near white.7. The composite color particle of claim 1 , wherein the refractive index of the high refractive index core particle is higher than 1.5.8. The composite color particle of claim 1 , wherein the refractive index of the high refractive index core particle is between 1.2 and 3.5 at 589 nm.9. The composite color particle of claim 1 , wherein the high refractive index core ...

COLORED SPECIAL EFFECT INKS

A colored special effect ink includes a special effect pigment and a colored pigment. The colored pigment is more hydrophobic than the special effect pigment, and the colored pigment is miscible in a solvent chosen from the group consisting of alcohols, ethers, esters, ketones, and water. The colored pigment optionally has a surface energy of less than 35 dynes/cm. A method for preparing the colored special effect ink and treating the colored pigment to form the colored special effect ink are also described. 1. A colored special effect ink , comprising:a special effect pigment; anda colored pigment, wherein the colored pigment is selected and/or treated to be more hydrophobic than the special effect pigment, and wherein the colored pigment is miscible in a solvent chosen from the group consisting of alcohols, ethers, esters, ketones, and water.2. The colored special effect ink of claim 1 , wherein:the colored special effect ink has a viscosity of 10 centipoise or less.3. The colored special effect ink of claim 1 , wherein:the special effect pigment comprises a metallic pigment.4. The colored special effect ink of claim 3 , wherein:the special effect pigment comprises a metallic pigment chosen from the group consisting of aluminum, mica, bronze, copper, and silver.5. The colored special effect ink of claim 4 , wherein:the special effect pigment comprises aluminum pigment that is at least one of leafing, non-leafing and vacuum metalized pigments.6. The colored special effect ink of claim 1 , wherein:the colored pigment has a particle size of less than 10 microns.7. The colored special effect ink of claim 6 , wherein:the colored pigment has a particle size of less than 5 microns.8. The colored special effect ink of claim 7 , wherein:the colored pigment has a particle size of less than 1 micron.9. The colored special effect ink of claim 1 , wherein:the colored pigment has a surface energy of less than 45 dynes/cm.10. The colored special effect ink of claim 9 , wherein: ...

EFFECT PIGMENTS

The invention relates to glaze- and enamel-stable effect pigments having a top layer comprising at least one tin/antimony mixed oxide, which have improved stability, in particular at temperatures above 1000° C., in glazes, enamels, ceramic or glass-like materials. 1. Effect pigment based on a flake-form substrate , characterised in that the pigment has on the surface a top layer comprising one or more tin/antimony mixed oxides.2. Effect pigment according to claim 1 , characterised in that the effect pigment has on the surface a top layer comprising SnSbOand x is a number between 0 and 1.3. Effect pigment according to claim 1 , characterised in that the top layer is in the cassiterite structure.4. Effect pigment according to claim 1 , characterised in that the top layer is 1-100% by weight based on the entire pigment.5. Effect pigment according to claim 1 , characterised in that the top layer has a thickness of 1-500 nm.6. Effect pigment according to claim 1 , characterised in that the effect pigment is selected from the group of the pearlescent pigments claim 1 , interference pigments claim 1 , multilayered pigments or holographic pigments.7. Effect pigment according to claim 1 , characterised in that the effect pigment is based on natural or synthetic mica flakes claim 1 , muscovite flakes claim 1 , sericite flakes claim 1 , fluorophlogopite flakes claim 1 , Zn phlogopite flakes claim 1 , SiOflakes claim 1 , glass flakes claim 1 , TiOflakes claim 1 , flake-form BN claim 1 , flake-form SiC claim 1 , AlOflakes or titanate flakes.8. Effect pigment according to claim 1 , characterised in that the effect pigment comprises at least one TiOlayer and/or at least one titanium oxynitride layer on the flake-form substrate.9. Effect pigment according to claim 1 , characterised in that the effect pigment has the following structure claim 1 , plus the top layer:{'sub': '2', 'substrate flake+TiO'}substrate flake+titanium oxynitride{'sub': 2', '2, 'substrate flake+SiO+TiO'}{'sub': ...

High gloss multi-layer pearlescent pigments with silver interference color and narrow size distribution and process for their preparation

Die Erfindung betrifft Mehrschichtperlglanzpigmente mit silberner Interferenzfarbe basierend auf plättchenförmigen transparenten Substraten mit optisch wirksamer Beschichtung, wobei die optisch wirksame Beschichtung wenigstens a) eine hochbrechende Schicht A mit einem Brechungsindex n ≧ 1,8 b) eine niedrigbrechende Schicht B mit einem Brechungsindex n < 1,8 c) eine hochbrechende Schicht C mit einem Brechungsindex n ≧ 1,8 sowie d) optional eine äußere Schutzschicht D umfasst und die Mehrschichtperlglanzpigmente die Kennzahlen D 10 , D 50 , D 90 aus der Summenhäufigkeitsverteilung der volumengemittelten Größenverteilungsfunktion mit einem Span ΔD von 0,7-1,4 aufweisen, wobei der Span ΔD gemäß der Formel ΔD = (D 90 - D 10 )/D 50 berechnet ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser Mehrschichtperlglanzpigmente als auch deren Verwendung. The invention relates to multilayer pearlescent pigments with silver interference color based on platelet-shaped transparent substrates with an optically active coating, wherein the optically active coating is at least a) a high-index layer A with a refractive index n ≧ 1.8 b) a low refractive index layer B with a refractive index n <1.8 c) a high-index layer C with a refractive index n ≧ 1.8 such as d) optionally an outer protective layer D and the multilayer pearlescent pigments have the ratios D 10 , D 50 , D 90 from the cumulative frequency distribution of the volume-averaged size distribution function with a span ΔD of 0.7-1.4, the span ΔD being of the formula ΔD = (D 90 -D 10 ) / D 50 is calculated. The invention further relates to a process for the preparation of these multilayer pearlescent pigments and their use.

High-gloss multilayer pearlescent pigments with colored interference color and narrow size distribution and process for their preparation

Die Erfindung betrifft Mehrschichtperlglanzpigmente, umfassend mit optisch wirksamer Beschichtung versehene plättchenförmige transparente Substrate, wobei die optisch wirksame Beschichtung wenigstens (a) eine absorbierende hochbrechende Schicht A mit einem Brechungsindex n ≧ 1,8, (b) eine niedrigbrechende Schicht B mit einem Brechungsindex n < 1,8, (c) eine hochbrechende Schicht C mit einem Brechungsindex n ≧ 1,8 sowie (d) optional wenigstens eine äußere Schutzschicht D umfasst und wobei die Mehrschichtperlglanzpigmente eine Summenhäufigkeitsverteilung einer volumengemittelten Größenverteilungsfunktion mit den Kennzahlen D, D, Dund einem Span ΔD in einem Bereich von 0,7-1,4 aufweisen, wobei der Span ΔD gemäß Formel (I) ΔD = (D- D)/D(I) berechnet ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser Mehrschichtperlglanzpigmente als auch deren Verwendung. The invention relates to multilayer pearlescent pigments comprising platelet-shaped transparent substrates provided with an optically active coating, the optically active coating comprising at least (a) an absorbent high-index layer A with a refractive index n ≧ 1.8, (b) a low-index layer B with a refractive index n < 1,8, (c) a high refractive index layer C with a refractive index n ≧ 1.8 and (d) optionally comprises at least one outer protective layer D and wherein the multilayer pearlescent pigments have a cumulative frequency distribution of a volume-averaged size distribution function with the characteristic numbers D, D, D and a span ΔD have in a range of 0.7-1.4, the span ΔD being calculated according to formula (I) ΔD = (D-D) / D (I). The invention further relates to a method for producing these multilayer pearlescent pigments and to the use thereof.

High gloss multi-layer pearlescent pigments with non-silver interference color and narrow size distribution and process for their preparation

Die Erfindung betrifft Mehrschichtperlglanzpigmente, umfassend mit optisch wirksamer Beschichtung versehene plättchenförmige transparente Substrate, wobei die optisch wirksame Beschichtung wenigstens (a) eine nicht absorbierende hochbrechende Schicht A mit einem Brechungsindex n ≧ 1,8, (b) eine niedrigbrechende Schicht B mit einem Brechungsindex n < 1,8, (c) eine nicht absorbierende hochbrechende Schicht C mit einem Brechungsindex n ≧ 1,8 sowie (d) optional wenigstens eine äußere Schutzschicht D umfasst und wobei die Mehrschichtperlglanzpigmente eine Summenhäufigkeitsverteilung einer volumengemittelten Größenverteilungsfunktion mit den Kennzahlen D, D, Dund einem Span ΔD in einem Bereich von 0,7-1,4 aufweisen, wobei der Span ΔD gemäß Formel (I) ΔD = (D- D)/D(I) berechnet ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser Mehrschichtperlglanzpigmente als auch deren Verwendung. The invention relates to multilayer pearlescent pigments comprising platelet-shaped transparent substrates provided with an optically active coating, the optically active coating comprising at least (a) a non-absorbent, high-index layer A with a refractive index n ≧ 1.8, (b) a low-index layer B with a refractive index n <1.8, (c) a non-absorbing high-index layer C with a refractive index n ≧ 1.8 and (d) optionally comprises at least one outer protective layer D and wherein the multilayer pearlescent pigments have a cumulative frequency distribution of a volume-averaged size distribution function with the characteristic numbers D, D, Dund have a span ΔD in a range of 0.7-1.4, the span ΔD being calculated according to formula (I) ΔD = (D-D) / D (I). The invention further relates to a method for producing these multilayer pearlescent pigments and to the use thereof.

Hochglänzende Mehrschichtperlglanzpigmente mit enger Größenverteilung und Verfahren zu deren Herstellung

Die Erfindung betrifft Mehrschichtperlglanzpigmente basierend auf plättchenförmigen transparenten Substraten mit optisch wirksamer Beschichtung, wobei die optisch wirksame Beschichtung wenigstens a) eine nicht absorbierende hochbrechende Schicht A mit einem Brechungsindex n ≧ 1,8 b) eine niedrigbrechende Schicht B mit einem Brechungsindex n < 1,8 mit einer optischen Schichtdicke > 150 nm c) eine absorbierende hochbrechende Schicht C mit einem Brechungsindex n ≧ 1,8 sowie d) optional eine äußere Schutzschicht D umfasst, und dass die Mehrschichtperlglanzpigmente eine Summenhäufigkeitsverteilung der volumengemittelten Größenverteilungsfunktion mit den Kennzahlen D 10 , D 50 , D 90 und einem Span ΔD von 0,7-1,4 aufweisen, wobei der Span ΔD gemäß der Formel ΔD = (D 90 - D 10 )/D 50 berechnet ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser Mehrschichtpigmente als auch deren Verwendung.

Sio2 coated pearlescent pigments

The invention relates to pearlescent pigments comprising a metal oxide-containing, lamellar substrate and a protective layer, the metal oxide having a refractive index of more than 1.8. The protective layer is composed of an organic-chemical surface-modified SiO<SUB>2</SUB> layer, the organic-chemical surface modification being applied to the SiO<SUB>2</SUB> layer. The invention further relates to a method for producing said pearlescent pigments and the use thereof.

PEARLESCENT PIGMENTS COATED WITH SiO2 AND CERIUM OXIDE

The invention relates to pearlescent pigments comprising a metal oxide-containing, lamellar substrate that is provided with a first and a second protective layer, the metal oxide having a refractive index of more than 1.8. A first protective layer comprising cerium oxide and/or cerium hydroxide as well as a second protective layer which is made of SiO2 and onto which an organic-chemical secondary coating containing at least one silane with at least one functional binding group and at least one silane without a functional binding group is applied, are provided, metal oxide layers that are different from cerium oxide and SiO2 being optionally placed between the first and the second protective layer. The invention also relates to a method for producing the disclosed pigments and the use thereof.

Coated pearlescent pigments with SiO2 and cerium oxide

The invention relates to pearlescent pigments with a platelet-shaped substrate comprising metal oxide and having a first and a second protective layer, said metal oxide having a refractive index of greater than 1.8, there being on the platelet-shaped substrate a first protective layer comprising cerium oxide and/or cerium hydroxide and a second protective layer of SiO 2 , applied to which is an organic chemical aftercoat comprising at least one silane having at least one functional bond group and at least one silane without a functional bond group, it being possible for metal oxide layers other than cerium oxide and SiO 2 to be disposed between the first and the second protective layer. The invention further relates to a process for preparing these pigments, and to the use thereof.

Lcst polymers

Disclosed are polymers of general formula (I), wherein R1 (identically or differently) represents hydrogen or a methyl group, X1 and X2 = -O-, -S-, or -NH-, X1 additionally representing a single bond if the first atom in R2 is not a C atom, and R2 represents one of the following radicals: a) a copolymer radical (Cop) containing at least two structural units -(-O-C2H4)n- (ethylene oxide = EO) and -(-O-C3H6-)n- (propylene oxide = PO), or -(-O-C4H8)n- (butylene oxide = BuO) and -(-O-CH2-)n- (methylene oxide = MeO) at a molar ratio of 5 to 95:95 to 5, n representing approximately 1 to 1000 (identically or differently for each structural unit); b) formula (II), wherein Cop represents a copolymer radical as defined in (a), x = 1 to 5, and y = 1 to 20; c) formula (III), wherein R represents an alkyl group, r = (identically or differently) 1 to 1000, and s = 1 to 500; d) formula (IV), wherein o = 10 to 4000 and R3 (identically or differently) represents hydrogen or alkyl groups comprising 1 to 5 carbon atoms; e) formula (V), wherein p = 5 to 2000; or formula (VI), wherein q = 10 to 4000. Also disclosed are methods for the production thereof and the use thereof for coating particles and non-particulate substrate surfaces.

LCST POLYMERS

Effect pigments coated with reactive orientation auxiliary agents

The invention relates to an effect pigment coated with surface modifying agents in which the starting pigment comprises a layer having at least one reactive surface modifying agent. The surface modifying agent is a compound which is chemically bound to the initial pigment by at least two functional groups which are different from one another and which are separated by a spacer. The invention also relates to a method for producing such an effect pigment.

Effect pigments that are surface-modified by means of lcst and/or ucst polymers

The invention relates to surface-modified effect pigments which are based on lamellar substrates and are characterized in that said effect pigments are coated with one or several layers of immobilized LCST and/or UCST polymers. The invention also relates to a method for producing the surface-modified effect pigments and the use thereof in lacquers, water lacquers, powder lacquers, paints, printing inks, security printing inks, plastics, concrete, cosmetic formulations, agricultural films, and tarpaulins, for laser marking papers and plastics, as protection from light, as a pigment for corrosion prevention, and for producing pigment preparations and dry preparations.

Lcst polymers

A description is given of polymers of the general formula in which R 1 (identical or different at each occurrence) is hydrogen or a methyl group, X 1 and X 2 =—O—, —S— or —NH— and X 1 additionally is a single bond if the first atom in R 2 is not a carbon atom, and R 2 is one of the radicals indicated below: a) a copolymer radical (Cop) containing at least two structural units —(—O—C 2 H 4 ) n — (ethylene oxide=EO) and —(—O—C 3 H 6 —) n — (propylene oxide=PO) or —(—O—C 4 H 8 ) n — (butylene oxide=BuO) and —(—O—CH 2 —) n — (methylene oxide=MeO) in a molar ratio of 5 to 95:95 to 5, in which n (identical or different for each structural unit) is approximately 1 to 1000; b)  in which Cop is a copolymer radical as defined in (a), and x=1 to 5 and y=1 to 20; c)  in which R is an alkyl group, r=(identical or different at each occurrence) 1 to 1000 and s=1 to 500; d)  in which o=10 to 4000 and R 3 (identical or different at each occurrence) is hydrogen or alkyl groups having 1 to 5 carbon atoms; e)  in which p=5 to 2000; or f)  in which q=10 to 4000. A description is also given of processes for their preparation and also of their use for coating particles and nonparticulate substrate surfaces.

Surface-modified particles

The present invention relates to substrates which have been surface-modified by means of colorants and are distinguished by the fact that they are encased with one or more layers of immobilised LCST and/or UCST polymers. The invention furthermore relates to a process for the preparation of the surface-modified substrates and to the use thereof in surface coatings, water-borne coatings, powder coatings, paints, printing inks, security printing inks, plastics, concrete, in cosmetic formulations, in agricultural sheeting and tarpaulins, for the laser marking of papers and plastics, for laser welding, as light protection, as pigment for corrosion protection and for the preparation of pigment compositions and dry preparations.

Surface modified effect pigment, useful in paints, printing inks and polymers as well as the laser marking of paper and plastic, is based on a platelet substrate sheathed with at least one layer of immobilized LCST- and/or UCST-polymers

A surface modified effect pigment (I) based on a platelet substrate sheathed with at least one layer of immobilized LCST- and/or UCST-polymers. Independent claims are included for: (1) a process for the production of the effect pigment (I) by application of the LCST- and/or UCST-polymers on to the pigment surface by precipitation from water and/or an organic solvent and irreversible immobilization and; (2) formulations comprising a surface-modified effect pigment (I).

LCST polymers

Beschrieben werden Polymere der allgemeinen Formel DOLLAR F1 worin R¶1¶ (gleich oder voneinander verschieden) Wasserstoff oder eine Methylgruppe, X¶1¶ und X¶2¶ = -O-, -S- oder -NH- und X¶1¶ zusätzlich eine Einfachbindung bedeuten, wenn das erste Atom in R¶2¶ kein C-Atom ist, und R¶2¶ einen der nachstehend angegebenen Reste bedeutet: DOLLAR A a) einen Copolymerrest (Cop), enthaltend mindestens zwei Struktureinheiten -(-O-C¶2¶H¶4¶)¶n¶- (Ethylenoxid = EO) und -(-O-C¶3¶H¶6¶-)¶n¶- (Propylenoxid = PO) oder -(-O-C¶4¶H¶8¶)¶n¶- (Butylenoxid = BuO) und -(-O-CH¶2¶-)¶n¶- (Methylenoxid = MeO) im Molverhältnis 5 bis 95 : 95 bis 5, worin n (für jede Struktureinheit gleich oder voneinander verschieden) etwa 1 bis 1000 bedeutet; DOLLAR F2 worin Cop einen Copolymerrest, wie in (a) definiert, und x = 1 bis 5 und y = 1 bis 20 bedeuten; DOLLAR F3 worin R eine Alkylgruppe, r = (gleich oder voneinander verschieden) 1 bis 1000 und s = 1 bis 500 bedeuten; DOLLAR F4 worin o = 10 bis 4000 und R¶3¶ (gleich oder voneinander verschieden) Wasserstoff oder Alkylgruppen mit 1 bis 5 Kohlenstoffatomen bedeuten; DOLLAR F5 worin p = 5 bis 2000 bedeutet; oder DOLLAR F6 worin q = 10 bis 4000 bedeutet. DOLLAR A Beschrieben werden ferner Verfahren zu deren Herstellung sowie deren Verwendung zur Beschichtung von Partikeln und nicht-partikulären Substratoberflächen. Polymers of the general formula DOLLAR F1 are described in which R¶1¶ (identical or different from one another) is hydrogen or a methyl group, X¶1¶ and X¶2¶ = -O-, -S- or -NH- and X¶1¶ additionally mean a single bond if the first atom in R¶2¶ is not a C atom, and R¶2¶ means one of the radicals indicated below: DOLLAR A a) a copolymer radical (Cop) containing at least two structural units - (- OC ¶2¶H¶4¶) ¶n¶- (ethylene oxide = EO) and - (- OC¶3¶H¶6¶-) ¶n¶- (propylene oxide = PO) or - (- OC¶4¶H¶ 8¶) ¶n¶- (butylene oxide = BuO) and - (- O-CH¶2¶-) ¶n¶- (methylene oxide = MeO) in a molar ratio of 5 to 95: 95 to 5, where n (the same for each ...

Surface modified particles

Die vorliegende Erfindung betrifft durch Farbmittel oberflächenmodifizierte Substrate, die sich dadurch auszeichnen, dass sie mit einer oder mehreren Schichten aus immobilisierten LCST- und/oder UCST-Polymeren umhüllt sind. DOLLAR A Weiterhin betrifft die Erfindung ein Verfahren zur Herstellung der oberflächenmodifizierten Substrate sowie deren Verwendung in Lacken, Wasserlacken, Pulverlacken, Farben, Druckfarben, Sicherheitsdruckfarben, Kunststoffen, Beton, in kosmetischen Formulierungen, in Agrarfolien und Zeltplanen, zur Lasermarkierung von Papier und Kunststoffen, als Lichtschutz, als Pigment für den Korrosionsschutz sowie zur Herstellung von Pigmentpräparationen und Trockenpräparaten. The present invention relates to colorants surface-modified substrates, which are characterized in that they are coated with one or more layers of immobilized LCST and / or UCST polymers. DOLLAR A Furthermore, the invention relates to a process for the preparation of surface-modified substrates and their use in paints, water-based paints, powder coatings, paints, printing inks, security printing inks, plastics, concrete, in cosmetic formulations, in agricultural films and tarpaulins, for the laser marking of paper and plastics, as Light protection, as a pigment for corrosion protection and for the production of pigment preparations and dry preparations.

Method for preparation of composite pigments for make-up cosmetics and make-up cosmetic compositions containing composite pigments made thereby

Disclosed herein is a method for preparation of composite pigments for make-up cosmetics having improved skin-adhesion and spreadability, and excellent skin color-expression, and improved water resistance by silicon polymer coated on the surface of the complex particle of flaky silica and titanium dioxide coated thereon.

Composite color particles

The present invention is directed to a display fluid comprising charged composite color particles dispersed in a solvent. The composite color particle comprises core particles which are at least one color core particle and at least one core particle having a high refractive index, a shell in which the color core particles and the high refractive index core particles are completely or partially embedded, and steric stabilizer molecules on the surface of the composite color particle. A display fluid comprising the composite color particles of the present invention provides improved optical performance.

A method for preparation of composite pigment for make-up cosmetics and make-up cosmetic compositions containing composite pigments made thereby

본 발명은 색조화장료용 복합분체의 제조방법에 관한 것으로, 초미립자 이산화티탄을 판상의 실리카 미립자에 피복한 다음 그 복합입자의 표면을 실리콘 고분자로 표면개질하여 복합분체를 제조함으로써, 색조화장료에 함유되어 복합입자의 형태학적 특성, 즉, 판상으로 인하여 피부 부착력 및 전연성을 향상시키고, 실리카의 광투과성과 피복된 초미립자 이산화티탄의 광차폐 및 광산란 효과를 조절하여 피부색의 중심파장에 대해 선택적인 광투과성을 가질 수 있게 하여 피부색 표현을 효과적이게 하며, 또한, 제조된 복합입자 표면에 실리콘 고분자를 흡착·고정화함으로써 우수한 내수성을 갖는 색조화장료를 제공할 수 있다. The present invention relates to a method for producing a composite powder for color cosmetics, wherein the ultrafine titanium dioxide is coated on a plate-like silica fine particles, and then the surface of the composite particles is surface-modified with a silicone polymer to produce a composite powder. The morphological characteristics of the multiparticulates, namely, plate adhesion, improve skin adhesion and malleability, and control light transmittance and light scattering and light scattering effects of coated ultra-fine titanium dioxide coated with silica, thereby making it possible to selectively transmit light to the central wavelength of skin color. It is possible to have an effective skin color expression and to provide a color cosmetic having excellent water resistance by adsorbing and fixing a silicone polymer on the surface of the manufactured composite particles.

Weathering-resistant pearl-lustre pigments, process for producing same and use

Carbon containing metal oxide pigments

PROCESS FOR THE PRODUCTION OF PLATES

Produit a base de particules lamellaires minerales et organiques, comportant un pigment melanique, son procede de preparation et son utilisation en cosmetique.

L'invention est relative à un produit sous forme de poudre constitué de particules à structure lamellaire, organiques ou minérales, ayant une dimension inférieure à 50 microns et comportant au moins un pigment mélanique synthétique, formé in situ par oxydation d'un composé indolique, et à son utilisation pour la protection de l'épiderme humain, dans les produits de maquillage et pour la coloration des cheveux.

Pigment titanium dioxide and method for its production

FIELD: production of dyes, plastics and lamellar plates on paper base. SUBSTANCE: pigment comprises particles of titanium dioxide, 0.01-1.00 mass % of cerium oxide being precipitated on it; and dense amorphous silicium dioxide, its quantity being 1-8 mass % of quantity of titanium dioxide. Pigment may be additionally covered by aluminium hydroxide, its quantity being 2-4 mass % of quantity of titanium dioxide. Pigment is prepared by adding of water soluble cerium compound in aqueous slime of rutile titanium dioxide particles, quantity of cerium compound is 0.01-1.00 mass % (as calculated for cerium oxide) of quantity of titanium dioxide. Said cerium compound interacts with acid or with alkali, thus cerium oxide is precipitated. Then water soluble silicate (its quantity being 1-6 mass %) is added together with mineral acid for precipitation of dense amorphous silicium dioxide. The process is carried out at pH being at least 8. Slime is uninterruptedly mixed and temperature is maintained within 60-100 C range during the whole process of precipitation. Aqueous solution of sodium aluminate together with sulfuric acid is additionally added into slime to precipitate aluminium hydroxide. EFFECT: improved strength, improved stability of desired pigment to photochemical decomposition. 16 cl, 1 tbl сх 660с ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 099 372 ' 13) Сл С 09 С 1/36 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 94041191/25, 23.11.1994 (30) Приоритет: 24.11.1993 1$ 156891 (46) Дата публикации: 20.12.1997 (56) Ссылки: Ц5, патент, 4450012, кл. С 09С 11/36, 1984. (71) Заявитель: Керр-МакДжи Кемикал Корпорейшн (1$) (72) Изобретатель: Джон Р.Брэнд[у$], Роджер А.Балдвин[Ц$], Томас Ян Броунбридж[( $] (73) Патентообладатель: Керр-МакДжи Кемикал Корпорейшн (1$) (54) ПИГМЕНТНАЯ ДВУОКИСЬ ТИТАНА И СПОСОБ ЕЕ ПОЛУЧЕНИЯ (57) Реферат: Изобретение относится к пигментному рутильному диоксиду титана, к способу его ...

Flaky pigment and the production method

내용 없음. No content.

Colored pigment

具有窄尺寸分布的高光泽多层效应颜料及其生产方法

本发明涉及多层效应颜料，其基于具有光学活性涂层的微片状透明基底，其中光学活性涂层至少包含a)折光指数n≥1.8的非吸收性高指数层A；b)折光指数n＜1.8且光学层厚＞150nm的低指数层B；c)折光指数n≥1.8的吸收性高指数层C；以及d)任选的外保护层D。所述多层效应颜料具有含指数D 10 、D 50 、D 90 和为0.7-1.4的跨度ΔD的体积平均尺寸分布函数的累积频率分布，跨度ΔD根据式ΔD＝(D 90 -D 10 )/D 50 计算。本发明另外涉及生产这些多层颜料的方法及其用途。

各向异性磁片

本发明涉及各向异性的反射磁片。所述片被置于液体载体中并且受外部磁场的作用，片互相边对边吸引并且形成能向涂层提供高反射率的带，并且其可用作鉴定物体的安全特征。

Ｕｖ安定化粒子

本発明は、２９０〜５００ｎｍの波長を有する光を反射しまたは吸収することを特徴とするＵＶ安定化粒子に関する。さらに本発明は、本発明による粒子の製造方法、並びに、表面コーティング、水性コーティング、粉体コーティング、塗料、印刷インク、防護印刷インク、プラスチック、コンクリート、化粧品配合物に、農業用シートおよびテント天幕に、紙およびプラスチックのレーザ刻印用に、光保護として、並びに顔料組成物および乾燥調製物の調製用に使用することに関する。

Polymer encapsulation of high aspect ratio materials and methods of making same

Embodiments of this invention comprise a pigment comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material. Embodiments also comprise a resinous composition comprising said pigment. Yet further embodiments comprise a method of preparing said pigment via suspension polymerization. The substantially spherical-shaped beads of this invention may be used to produce resinous compositions having a flowline-free colored, sparkling and/or metallescent appearance.

Polymer Encapsulation of High Aspect Ratio Materials and Methods of Making Same

A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.

Polymer encapsulation of high aspect ratio materials and methods of making same

A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.

Methods for encapsulation of materials and methods for making resinous compositions and articles comprising the same

An embodiment of a method of encapsulation of a material comprises dispersing high aspect ratio particles in a monomer and/or a polymer to form a suspension mixture, adding the suspension mixture to an aqueous mixture to form an aqueous reaction mixture, heating and mixing the aqueous reaction mixture to encourage the formation of substantially spherical-shaped beads, quenching the aqueous reaction mixture after the substantially spherical-shaped beads are formed, and collecting the substantially spherical-shaped beads.

Polymer encapsulation of high aspect ratio materials and methods of making same

A pigment contains one or more substantially spherical-shaped beads. Each substantially spherical-shaped bead includes one or more high aspect ratio particles encapsulated within an encapsulating material. Resinous compositions containing this pigment and a plastic, for example a polycarbonate, have a flowline-free colored, sparkling and/or metallescent appearance.

Polymer encapsulation of high aspect ratio materials and methods of making same

Embodiments of this invention comprise a pigment comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material. Embodiments also comprise a resinous composition comprising said pigment. Yet further embodiments comprise a method of preparing said pigment via suspension polymerization.

Composition of the paint including the optically changeable pigments, application of such composition, the optically- changed pigment and the method of treatment of such pigment

Изобретение может быть использовано в производстве оптически изменяемых пигментов. Оптически изменяемый пигмент включает слоистый массив из различных материалов, в которых, по меньшей мере, один из слоев представляет собой отражающий слой и, по меньшей мере, один из других слоев представляет собой диэлектрический слой. По меньшей мере, одна из поверхностей указанных слоев подвержена химическому воздействию. Указанные материалы включают также, по крайней мере, один из слоев, который представляет собой полупрозрачный металлический слой из хрома, а также один или более металлов и/или их неорганических соединений, причем металл и/или его неорганическое соединение подвержены коррозии. Подверженная химическому воздействию поверхность отражающего и диэлектрического слоя по краю слоевого массива краевой структуры пигмента покрыта пассивирующим агентом, который выбирают из группы, состоящей из органических сложных эфиров и фторированных органических сложных эфиров фосфорной кислоты, имеющих структурную формулу: (R f -CH 2 -CH 2 -O) x P(O)(OH) y , где R f =F-(CF 2 -CF 2 ) z , х=1 или 2, y=2 или 1, х+y=3, z=1-7. Состав печатной краски включает связующую систему, воду и оптически изменяемый пигмент. Изобретение позволяет уменьшить окисление металлических слоев и растворение диэлектрических слоев оптически изменяемого пигмента и использовать его в составах печатной краски. 7 н. и 15 з.п. ф-лы, 9 табл. ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 309 852 (13) C2 (51) ÌÏÊ B41M C09C C09D C09D C09D ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ D21H ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ,D21H ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ D21H B41M B41M (12) 3/14 3/00 1/12 5/29 11/02 19/38 19/66 21/40 1/04 1/10 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) B41M 1/12 (2006.01) B44F 1/12 (2006.01) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2004109123/15, 15.08.2002 (30) Êîíâåíöèîííûé ïðèîðèòåò: 28.08.2001 (ïï.1-22) EP 01120499.7 (73) Ïàòåíòîîáëàäàòåëü(è): ÑÈÊÏÀ ÕÎËÄÈÍÃ Ñ.À. (CH) 2 3 0 ...

Color-shifting pigments and foils with luminescent coatings

Interference pigment flakes and foils are provided which have luminescent and color-shifting properties. A luminescent material coating structure is provided which partially covers aor encapsulates a color-shifting pigment flake, or covers the outer surface of a foil. The pigment flakes can have a symmetrical coating structure on opposing sides of a core layer, car have an asymmetrical coating structure with all of the layers on one side of the core layer, or can be formed with encapsulating coatins around the core layer. The coating structure of the flakes and foils includes a core layer, a dielectric layer overlying the core layer, and an absorber layer overlying the dielectric layer. The luminescent pigment flakes and foils exhibit a discrete color shift so as to have a first color at a first angle of incident light or viewing and a second color different from the first color at a second angle of incident light or viewing. The luminescent pigment flakes can be interspersed into liquid media such as paints or inks to produce colorant materials for subsequent application to objects or papers. The luminescent foils can be laminated to various objects or can be formed on a carrier substrate.

Durable titanium dioxide pigment and its manufacturing method

본 발명은 태양 복사선에 노출되는 페인트 등에 사용시 높은 내구성을 갖는 이산화 티타늄 안료 및 그것의 제조방법을 제공한다. 본 발명의 내구성이 있는 이산화 티타늄 안료는 산화 세륨 및 밀집 무정형 실리카가 부착된 루틸 이산화 티타늄 입자들로 이루어진다. 또한, 그 입자들은 그위에 부착된 가수된 알루미나의 외부 피복물을 갖는다. The present invention provides a titanium dioxide pigment having a high durability when used in a paint or the like exposed to solar radiation and a method for producing the same. The durable titanium dioxide pigment of the present invention consists of rutile titanium dioxide particles to which cerium oxide and dense amorphous silica are attached. The particles also have an outer coating of hydrolyzed alumina attached thereon.

Metal oxide particles and method for producing same

Provided is a method for producing core-shell oxide particles that makes it possible to efficiently and stably obtain core-shell oxide particles in which the entire surface of an oxide particle serving as a core is uniformly coated with an oxide serving as a shell. The method includes at least the following two steps: a step 1 in which the oxide particles serving as a core are precipitated within a mixed fluid obtained by mixing a core oxide raw material liquid and an oxide precipitation solvent; and a step 2 in which the mixed fluid is mixed with a shell oxide raw material liquid and the entire surface of the oxide particles serving as a core is uniformly coated with the oxide serving as a shell. (A) At least step 1 and step 2 are carried out continuously between at least two processing surfaces 1, 2 that are capable of approaching and separating from each other and that rotate relative to each other. (B) Step 2 is completed after step 1 during a predetermined time in which aggregation of the oxide particles serving as a core does not occur within the mixed fluid. (C) Steps 1 and 2 are controlled so that the primary particle size of the core-shell oxide particles is 190% or less of the primary particle size of the oxide particles serving as a core.

Durable pigmentary titanium dioxide and methods of producing the same

Conductive colored interference pigments

本发明涉及导电彩色干涉颜料，特别是薄片状干涉颜料，其具有包含石墨和/或石墨烯形式的结晶碳的最外层，本发明还涉及制备这样的颜料的方法和这样制备的颜料的用途。

Silicon oxide-coated oxide composition for coating and a method for producing a composition for coating, which are required to have weather resistance.

Process and apparatus for making nano-flakes

기능성 또는 장식성 플레이크 또는 미소 플레이트를 제조하는 프로세스는 증착 쳄버(30) 내에서 증착 금속(46, 48, 50) 및 릴리스 코트(44)의 다층 샌드위치를 교대층으로 회전형 냉각 드럼(36) 또는 적합한 캐리어 매체에 적용하는 단계를 포함한다. 교대로 형성된 금속화층은 증착에 의해 적용되고, 개재하는 릴리스층은 증착 쳄버에 수용된 증착 소스에 의해 적용되는 용매 용해성 열가소성 폴리머 재료인 것이 바람직하다. 진공 쳄버 내에서 적층된 다층 샌드위치는 드럼 또는 캐리어로부터 제거되고, 본질적으로 릴리스 코트가 배제된 금속 플레이크를 잔류시키는 스트리핑 공정에서 금속으로부터 릴리스 코팅을 용해하도록 적합한 유기용매로 처리된다. 용매 및 용해된 릴리스 재료는 원심분리에 의해 제거되어 에어 밀링되고 바람직한 매개물 중에 풀어질 수 있는 농축된 플레이크의 케익을 형성하고, 잉크, 페인트 또는 코팅에서의 최종 용도에 맞추어 추가로 사이징 및 균질화 처리된다. The process for making functional or decorative flakes or microplates is a rotating cooling drum 36 or suitable for alternate layers of multilayer sandwiches of deposited metals 46, 48, 50 and release coats 44 in the deposition chamber 30. Applying to the carrier medium. The alternating metallization layers are applied by vapor deposition, and the intervening release layer is preferably a solvent soluble thermoplastic polymer material applied by a deposition source housed in the deposition chamber. The multilayer sandwich laminated in the vacuum chamber is removed from the drum or carrier and treated with a suitable organic solvent to dissolve the release coating from the metal in a stripping process that essentially leaves the metal flakes free of the release coat. The solvent and dissolved release material are removed by centrifugation to form a cake of concentrated flakes that can be air milled and released in the desired medium, and further sized and homogenized for end use in ink, paint or coating. . 증착 쳄버, 나노스케일 플레이크, 릴리스 코트, 다층 샌드위치, 금속화, 열가소성 폴리머 Deposition chambers, nanoscale flakes, release coats, multilayer sandwiches, metallizations, thermoplastic polymers

Ink composition comprising optically variable pigments, use of the composition, optically variable pigment and method of treating said pigment

본 발명은 부동태화된(passivated) 광학 가변성(optically variable) 안료, 이 부동태화된 광학 가변성 안료의 제조 방법, 이 부동태화된 광학 가변성 안료를 포함하는 잉크 조성물, 이 잉크 조성물의 용도 및 이 잉크 조성물로 이루어진 마킹을 보유하는 서류에 관한 것이다. The present invention relates to a passivated optically variable pigment, a process for producing the passivated optically variable pigment, an ink composition comprising the passivated optically variable pigment, the use of the ink composition and the ink composition It relates to a document having a marking consisting of.

Durable titanium dioxide pigment and its manufacturing method

본 발명은 태양 복사선에 노출되는 페인트 등에 사용시 높은 내구성을 갖는 이산화 티타늄 및 그것의 제조방법을 제공한다. 본 발명의 내구성이 있는 이산화 티타늄 안료는 산화 세륨 및 밀집 무정형 실리카가 부착된 루틸 이산화 티타늄 입자들로 이루어진다. 또한, 그 입자들은 그 위에 부착된 가수된 알루미나의 외부 피복물을 갖는다.

Powder coating composition and method

A laminar pigment which has an aluminum- or an aluminum-cerium oxide coating combined with a hydrolyzed silane coupling agent treated surface is used as a pigment for a powder coating composition. By combining the pigment with a powdery film-forming polymer, a film-forming composition which can be applied by electrostatic coating is produced.

Brilliant pigments consisting of flaky metallic substrates with multiple coatings

Luster pigments consisting of flaky (plateletlike) metallic substrates with multiple coatings including A) a first, colourless or selectively absorbing layer (coating) of metal oxide, B) a second, non-selectively absorbing layer of carbon, metal and/or metal oxide, and C) if desired a third, colourless or selectively absorbing layer of metal oxide, and their production and use for colouring paints, printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.

Flake-form pigments based on aluminium coated with sioz (0.7 ≤ z < 2.0)

The present invention relates to aluminum flakes, comprising (A1) a layer consisting of SiOZ, (B) a layer consisting of aluminum on the layer (A1) and (A2) a layer consisting of SiOZ on the layer (B), wherein 0.70 ≤ z ≤ 2.0, to a process for the manufacture thereof and to the use thereof in paints, electrostatic coatings, in ink-jet printing, cosmetics, coatings, printing inks, plastics materials, in glazes for ceramics and glass, in security printing and in the production of interference pigments.

Novel pearlescent pigments and methods for their preparation

본 발명은 내변색성(discoloration resistance) 및 수지 친화성(분산성)이 탁월한 신규한 진주빛 안료, 이의 제조방법 및 상기 진주빛 안료가 혼입된 수지 조성물, 도료 및 잉크를 개신한다. 진주빛 안료는 박편 기질, 기질 표면상에 코팅된 산화 티탄 및 산화 티탄으로 코팅된 입자 표면상에 코팅된 인산 금속 화합물 또는 인산 금속 화합물 및 금속 산화물을 포함한다.

Pearlescent pigment having discoloration resistance and method for producing the same

Nacreous pigments

내용 없음. No content.

A kind of pearlescent pigment and preparation method thereof of high chroma high brightness

本发明涉及一种高色度高亮度的珠光颜料及其制备方法，尤其基于片状基材包覆可控形状的金属氧化物形成的珠光颜料及其制备方法。通过在金属盐的水解包膜过程中，预先添加一定的导晶剂来调控水解产生的金属氧化物的形状，进行形成一种具有可控形状的金属氧化物包覆片状基材而得到的珠光颜料。该方法简便，极易操作，而且极大提高产品的品质。

Two colored mica, method of making the same and use thereof

본 발명은 이색성 운모, 이의 제조방법 및 그 용도에 관한 것으로, 좀 더 상세하게는 금속산화물이 코팅된 간섭색 효과를 갖는 운모에 다시 코발트산화물을 코팅시킴으로서 갈색 또는 녹색의 반사색이 나타나는 이색성 운모, 이의 제조방법 및 그 용도에 관한 것이다. 본 발명의 이색성 운모는 이색성 외에 금속광택성, 내구성 및 무독성의 특성이 있어, 칼라복사방지용 특수잉크, 고급화장품, 자동차도료, 플라스틱 착색 재료로 유용하게 이용될 수 있다. The present invention relates to a dichroic mica, a method for producing the same, and a use thereof, and more particularly, a dichroic mica in which a reflective color of brown or green appears by coating cobalt oxide on a mica having an interference color effect coated with a metal oxide. It relates to a preparation method thereof and its use. Dichroic mica of the present invention has the characteristics of metallic luster, durability and nontoxic in addition to dichroism, it can be usefully used as a special ink for preventing color radiation, high-quality cosmetics, automotive paints, plastic coloring materials.

Anti-yellowing polyolefin compositions containing pearlescent pigment to prevent yellowing and methods therefor

提供了一种包含有二氧化钛涂布的云母颗粒的含抗氧化剂的聚烯烃组合物。该云母颗粒上焙烧了一层外涂层以防止该组合物泛黄。同时还能达到降低光致暗化作用并改善颜料的密封作用。

Pigment preparation

The invention relates to a dustless, homogenous pigment preparation which is characterized in that it contains at least 40 wt. % of one or more effect pigments and 0.5 to 60 wt. % of an aldehyde resin and/or ketone resin.

Ultraviolet absorbent

本发明的目的是提供具有高屏蔽UV的能力,特别是对UV－A屏蔽能力的高透明度和良好分散性的紫外线吸收剂。该紫外线吸收剂含涂以平均粒径不超过100nm的超细氧化锌粒子的片状基质,该吸收剂任选经有机硅氧烷化合物处理;本发明还提供生产该吸收剂的方法,该方法包括烧结在配合物形成剂存在下烧结涂有碱性碳酸锌的粒子。

Easily dispersible pearlescent pigment formulation

Surface Modified Plate-Based Substrate

내용 없음

Copper-containing metal pigments with metal oxide layer and plastic layer, process for their preparation, coating agent and coated article

Die Erfindung betrifft kupferhaltige Metallpigmente, wobei die kupferhaltigen Metallpigmente einen Gehalt an elementarem Kupfer von wenigstens 50 Gew.-%, bezogen auf das Gesamtgewicht des unbeschichteten kupferhaltigen Metallpigmentes, aufweisen, wobei die kupferhaltigen Metallpigmente wenigstens eine umhüllende Metalloxidschicht und wenigstens eine umhüllende chemisch nichtreaktive Kunststoffschicht aufweisen, wobei die Summe der Gehalte der wenigstens einen chemisch nichtreaktiven Kunststoffschicht und der wenigstens einen Metalloxidschicht in einem Bereich von 10 bis 50 Gew.-%, bezogen auf das Gewicht des unbeschichteten Metallpigments, liegt und das Gewichtsverhältnis der wenigstens einen Metalloxidschicht zur wenigstens einen chemisch nichtreaktiven Kunststoffschicht in einem Bereich von 1:2 bis 1:20 liegt. Die Erfindung betrifft des Weiteren ein Verfahren zur Herstellung dieser Pigmente und deren Verwendung. The invention relates to copper-containing metal pigments, the copper-containing metal pigments having an elemental copper content of at least 50% by weight, based on the total weight of the uncoated copper-containing metal pigment, the copper-containing metal pigments having at least one enveloping metal oxide layer and at least one enveloping plastic layer which is not chemically reactive , wherein the sum of the contents of the at least one chemically non-reactive plastic layer and the at least one metal oxide layer is in a range from 10 to 50% by weight, based on the weight of the uncoated metal pigment, and the weight ratio of the at least one metal oxide layer to the at least one chemically non-reactive Plastic layer is in a range of 1: 2 to 1:20. The invention further relates to a method for producing these pigments and their use.

Colored metallic pigments

The invention relates to a colored pigment comprising a plurality of metallic or mica flakes with a plurality of polymer encapsulated pigment particles adhered to the individual flakes. The colored pigments are useful for imparting color and metallic luster to surface coatings.

Multi-coated metallic gloss pigments

Gold pigments

Organic-inorganic composite pigment, paint using the organic-inorganic composite pigment, and resin composition using the organic-inorganic composite pigment

IMPROVED BiOCl-PIGMENT

DYE-CONTAINING PEARL NUT PIGMENT AND COSMETIC COMPOSITION HAVING A SAME THEREOF

Flake glass and cosmetics containing the same

Goniochromatic glossy pigments with aluminum coating

Metallic effect pigments with an inorganic / organic mixed layer, process for the preparation of such metallic effect pigments and their use

Die Erfindung betrifft Metalleffektpigmente mit Beschichtung, umfassend ein plättchenförmiges Substrat, wobei die Beschichtung wenigstens eine anorganisch/organische Mischschicht umfasst, wobei die Mischschicht wenigstens teilweise ein anorganisches Netzwerk, das eine oder mehrere anorganische Oxidkomponente(n) aufweist, und wenigstens eine organische Komponente aufweist, wobei die organische Komponente wenigstens teilweise ein organisches Oligomer und/oder Polymer ist, welches wenigstens teilweise mit dem anorganischen Netzwerk über einen ode mehrere organische Netzwerkbildner kovalent verbunden ist. Die Erfindung betrifft ferner ein Verfahren zur Herstellung dieser Metalleffektpigmente als auch deren Verwendung.

Metallic effect pigments, process for their preparation and use thereof and powder coating

Die Erfindung betrifft Metalleffektpigmente mit plättchenförmigem metallischem Substrat, wobei die Metalleffektpigmente mindestens eine Metalloxidschicht aufweisen und die Oberfläche der Metalloxidschicht mindestens ein Oberflächenmodifizierungsmittel, welches Fluoralkyl- und/oder Fluorarylgruppen enthält, aufweist. Weiterhin betrifft die Erfindung ein Verfahren zur Herstellung der erfindungsgemäßen Metalleffektpigmente und deren Verwendung in Pulverlacken, insbesondere in durch Mischverfahren hergestellten Pulverlacken, sowie die Verwendung dieser Pulverlacke. Schließlich betrifft die Erfindung auch Pulverlacke. The invention relates to metallic effect pigments with platelet-shaped metallic substrate, wherein the metallic effect pigments have at least one metal oxide layer and the surface of the metal oxide layer comprises at least one surface modifier which contains fluoroalkyl and / or fluoroaryl groups. Furthermore, the invention relates to a process for the preparation of the metallic effect pigments according to the invention and their use in powder coatings, in particular in powder paints prepared by mixing processes, as well as the use of these powder coatings. Finally, the invention also relates to powder coatings.