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DE102018007777A1 - Lacquer layers with apparent movement - Google Patents

Lacquer layers with apparent movement Download PDF

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Publication number
DE102018007777A1
DE102018007777A1 DE102018007777.3A DE102018007777A DE102018007777A1 DE 102018007777 A1 DE102018007777 A1 DE 102018007777A1 DE 102018007777 A DE102018007777 A DE 102018007777A DE 102018007777 A1 DE102018007777 A1 DE 102018007777A1
Authority
DE
Germany
Prior art keywords
layer
tio
sio
platelet
platelets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE102018007777.3A
Other languages
German (de)
Inventor
Kirsten Fritsche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of DE102018007777A1 publication Critical patent/DE102018007777A1/en
Withdrawn legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0254—Platelets; Flakes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0254—Platelets; Flakes
    • A61K8/0258—Layered structure
    • A61K8/0266—Characterized by the sequence of layers
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    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25—Silicon; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/29—Titanium; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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    • C09C1/0051—Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index
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  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

Die vorliegenden Erfindung betrifft den Einsatz von reflektierenden Pigmenten in Lackschichten bei definierter Beleuchtung zur Erzeugung einer Scheinbewegung während der winkelabhängigen Betrachtung der Lackschicht. Gegenstand der Erfindung sind weiterhin Effektpigmente basierend auf plättchenförmigen Substraten mit einer definierten Verteilung der Partikelkrümmung.The present invention relates to the use of reflective pigments in lacquer layers with defined illumination to produce a sham movement during the angle-dependent viewing of the lacquer layer. The invention furthermore relates to effect pigments based on platelet-shaped substrates having a defined distribution of particle curvature.

Description

Die vorliegenden Erfindung betrifft den Einsatz von reflektierenden Pigmenten in Lackschichten bei definierter Beleuchtung zur Erzeugung einer Scheinbewegung während der winkelabhängigen Betrachtung der Lackschicht. Gegenstand der Erfindung sind weiterhin Effektpigmente basierend auf plättchenförmigen Substraten mit einer definierten Verteilung der Partikelkrümmung.The present invention relates to the use of reflective pigments in lacquer layers with defined illumination to produce a sham movement during the angle-dependent viewing of the lacquer layer. The invention furthermore relates to effect pigments based on platelet-shaped substrates having a defined distribution of particle curvature.

Das Auge ist in der Lage das Auftauchen zweier Objeckte in einem bestimmten zeitlichen und räumlichen Abstand in einen Bewegungseindruck umzuwandeln. Aufgabe der vorliegenden Erfindung ist es durch Einsatz von Pigmenten bei definierter Beleuchtung eine Scheinbewegung (wie z.B. bei der Betrachtung des Sternenhimmels) während der winkelabhängigen Betrachtung von Lackschichten zu erzeugen.The eye is able to transform the appearance of two objects into a movement impression at a certain temporal and spatial distance. The object of the present invention is to create a pseudo-motion (such as when viewing the starry sky) during the angle-dependent viewing of paint layers by using pigments under defined illumination.

Überraschenderweise wurde gefunden, dass Effektpigmente mit einer definierten Konzentration und/oder einem definierten Flächenbedeckungsgrad und/oder mit einer definierten Anzahl Teilchen pro Fläche, die in handelsüblichen Lacken eingesetzt werden, eine Scheinbewegung beim Betrachter hervorrufen. Die Bedingung der Scheinbewegung ist erfüllt, wenn Effektpigmente eingesetzt werden, deren Verteilung der Partikelkrümmungen τ von der gemittelten ebenen Form über das Gesamtensemble der Effektpigmente durch ihre Quantile wie folgt beschrieben wird:

  • τ10: < 2°
  • τ50: < 3,3°
  • τ90: < 7,4°,
d. h., mindestens 10 % der reflektierenden Effektpigmente haben eine geringere geometrische Winkelabweichung von der planen Partikelfläche als 2°, mindestens 50 % der reflektierenden Effektpigmente haben eine geringere geometrische Winkelabweichung von der planen Partikelfläche als 3,3° und mindestens 90% der reflektierenden Effektpigmente haben eine geringere geometrische Winkelabweichung von der planen Partikelfläche als 7,4°.Surprisingly, it has been found that effect pigments with a defined concentration and / or a defined surface coverage and / or with a defined number of particles per surface, which are used in commercially available paints, cause an apparent movement in the viewer. The condition of the apparent movement is fulfilled when effect pigments are used whose distribution of the particle curvatures τ from the averaged plane shape over the total ensemble of the effect pigments is described by their quantiles as follows:
  • τ10: <2 °
  • τ50: <3.3 °
  • τ90: <7.4 °,
ie, at least 10% of the reflective effect pigments have a smaller geometric angle deviation from the plane particle surface than 2 °, at least 50% of the reflective effect pigments have a lower geometric angle deviation from the planar particle surface than 3.3 ° and at least 90% of the reflective effect pigments have one lower geometric angle deviation from the plane particle surface than 7.4 °.

Lackschichten, die mit den oben genannten planaren Effektpigmenten pigmentiert sind, zeigen unter direkter Beleuchtung bei Bewegung der Lichtquelle (der Probe oder des Beobachters) eine Scheinbewegung von reflektierten Lichtpunkten, die durch Reflektion des einfallenden Lichtes an den Effektpigmenten entsteht.Coating layers pigmented with the above-mentioned planar effect pigments show, under direct illumination as the light source (sample or observer) moves, a sham movement of reflected light spots resulting from reflection of the incident light on the effect pigments.

Bei den mit den erfindungsgemäßen Effektpigmenten pigmentierten Lackschichten ist die Wahrnehmung des Pigmentes über die winkelabhängige Betrachtung der Lackschicht zwischen 60 und 200 ms.In the case of the lacquer layers pigmented with the effect pigments according to the invention, the perception of the pigment via the angle-dependent viewing of the lacquer layer is between 60 and 200 ms.

Die Scheinbewegung ist dadurch charakterisiert, dass - wenn die Lichtquelle aus der spekularen zu höheren aspekularen Winkeln verfährt und die Probe gerichtet und parallel bestrahlt - die Lichtpunkte (erzeugt durch Lichtreflektion an Effektpigmenten) eine winkelabhängige „Lebensdauer“ haben, deren Verteilung als Quantile wie folgt beschrieben wird: S10: 4-5° S50: 9-10° S90: 18-23° und es keinen Lichtpunkt gibt, der eine „Lebensdauer“ von über 33° hat, d.h. 10 % aller Reflektionspunkte verschwinden, wenn die Lichtquelle mehr als 5° bewegt wird; 50 % aller Reflektionspunkte verschwinden, wenn die Lichtquelle mehr als 10° bewegt wird und 90 % aller Reflektionspunkte verschwinden, wenn die Lichtquelle mehr als 23° bewegt wird. Die Lackschicht ist dabei dadurch charakterisiert, dass sie eine Schichtdicke von 5 bis 100 µm aufweist, vorzugsweise von 5 bis 40 µm.The apparent movement is characterized by the fact that when the light source moves from the specular to higher aspecular angles and the sample is directed and irradiated in parallel, the points of light (produced by light reflection on effect pigments) have an angle-dependent "lifetime" whose distribution is described as quantiles as follows becomes: S10: 4-5 ° S50: 9-10 ° S90: 18-23 ° and there is no spot of light having a "life" of over 33 °, ie 10% of all reflection points disappear when the light source is moved more than 5 °; 50% of all reflection points disappear when the light source is moved more than 10 ° and 90% of all reflection points disappear when the light source is moved more than 23 °. The lacquer layer is characterized in that it has a layer thickness of 5 to 100 microns, preferably from 5 to 40 microns.

In einer bevorzugten Ausführungsform für die Scheinbewegung beträgt die Anzahl der reflektierenden Effektpigmente mindestens 1 Pigment/mm2. In einer weiteren bevorzugten Ausführungsform ist die Flächenbedeckung der Lackschicht durch die planaren Effektpigmente ≤ 50 %, vorzugsweise ≤ 35 %.In a preferred embodiment for the apparent movement, the number of reflective effect pigments is at least 1 pigment / mm 2 . In a further preferred embodiment, the area coverage of the lacquer layer by the planar effect pigments is ≦ 50%, preferably ≦ 35%.

Gegenstand der Erfindung ist auch die Verwendung des erfindunggemäßen Effektpigments in Farben, Lacken, Automobillacken, Pulverlacken, Druckfarben, Sicherheitsdruckfarben, Kunststoffen, keramischen Materialien, Gläsern, Papier, in Tonern für elektrophotographische 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, zur Masseeinfärbung von Lebensmitteln, zur Einfärbung von Überzügen von Lebensmittelprodukten und Pharmaerzeugnissen und in Wertdokumenten.The invention also relates to the use of the effect pigment according to the invention in paints, lacquers, automotive coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seeds, in greenhouse films and tarpaulins, as absorbers in the Laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigments with water, organic and / or aqueous solvents, for the production of pigment preparations and dry preparations, for mass coloration of food, for coloring coatings of food products and pharmaceutical products and in value documents.

Gegenstand der Erfindung sind somit auch Formulierungen enthaltend das erfindungsgemäße Effektpigment.The invention thus also relates to formulations containing the effect pigment of the invention.

Die nachfolgenden Beispiele sollen die Erfindung erläutern, ohne sie jedoch zu begrenzen.The following examples are intended to illustrate the invention without, however, limiting it.

BeispieleExamples

Beispiel 1example 1

100 g Al2O3-Plättchen, die analog dem Verfahren aus EP 2799398 A2 , Beispiel 2 hergestellt wurden, werden mit Hilfe eines Spatels auf einem glatten Edelstahlblech von 20 x 30 cm weitgehend homogen verteilt. Die Partikel werden durch Senkrechtstellen des Bleches weitgehend abgetrennt. Die noch am Blech anhaftenden Blättchen werden mit Hilfe eines Pinsels von Blech abgetrennt und gesammelt. Dieser Vorgang wird insgesamt zehn Mal durchgeführt, bis eine Menge von 25,6 g an Blech anhaftenden Blättchen gewonnen wird. Die aus den zehn Einzeloperationen vereinten Blättchen haben eine D50 von 19,2 µm, D90 von 35,9 µm, eine Teilchendicke von 255 nm und eine Teilchendickenverteilung von 33.100 g Al 2 O 3 platelets, analogous to the method of EP 2799398 A2 Example 2 were largely homogenously distributed using a spatula on a smooth stainless steel sheet of 20 x 30 cm. The particles are largely separated by vertical positions of the sheet. The still adhering to the sheet flakes are separated by means of a brush of sheet metal and collected. This process is performed a total of ten times until an amount of 25.6 g of sheet-adhering leaflets is recovered. The leaflets combined from the ten individual operations have a D 50 of 19.2 μm, D 90 of 35.9 μm, a particle thickness of 255 nm and a particle thickness distribution of 33.

Beispiel 2Example 2

20 g der in Beispiel 1 erhaltenen Al2O3-Plättchen werden analog zu dem in EP 2799398 A2 , Beispiel 1.1 beschriebenen Verfahren mit Titandioxid beschichtet. Das erhaltene silberweiße Pigment hat eine D50 von 19,6 µm, D90 von 35,7 µm und eine Teilchendicke von 365 nm.
Die Reflektivität des Effektpigmentpartikel über das gesamte Spektrum des sichtbaren Lichtes beträgt 18 %.20 g of the obtained in Example 1 Al 2 O 3 platelets are analogous to that in EP 2799398 A2 Example 1.1 coated with titanium dioxide. The silver-white pigment obtained has a D 50 of 19.6 μm, D 90 of 35.7 μm and a particle thickness of 365 nm.
The reflectivity of the effect pigment particle over the entire spectrum of visible light is 18%.

Anwendungsbeispiel 1Application example 1

Ein Lackblech wird unter den folgenden Bedingungen hergestellt:

  • Basislack: MIPA WBC 000
  • Klarlack: MIPA 2K Highsolid-Klarlack CC4
  • Pigmentierung des Basislackes: 1 % des Pigments aus Beispiel 2
  • Substrat: Leneta Blech Schwarz/Weiß (T12G Metopac®)
  • Trockenschichtdicke: 15 µm
  • Spritzpistole: DeVilbiss AGMD 514U; mit Kappe C797 und Nadel AV-4915-FF-1.4 055
  • Spritzdruck: 4 bar
  • Abstand Düse-Substrat: 27 cm
A paint sheet is produced under the following conditions:
  • Basecoat: MIPA WBC 000
  • Clearcoat: MIPA 2K Highsolid Clearcoat CC4
  • Pigmentation of the basecoat: 1% of the pigment from Example 2
  • Substrate: Leneta sheet black / white (T12G Metopac ® )
  • Dry film thickness: 15 μm
  • Spray Gun: DeVilbiss AGMD 514U; with cap C797 and needle AV-4915-FF-1.4 055
  • Injection pressure: 4 bar
  • Distance nozzle-substrate: 27 cm

Reflexionsmessungen erfolgen an der Lackschicht über dem schwarzen Untergrund.Reflection measurements are made on the paint layer above the black background.

Die Verteilung der Partikelkrümmungen t von der gemittelten ebenen Form über das Gesamtensemble der Teilchen ist durch ihre Quantile wie folgt beschrieben: τ10: 1,5°; τ50: 2,8°; τ90: 7,1°. Die erhaltene Lackierung zeichnet sich dadurch aus, dass bei der Bewegung einer LED Lampe Scangrip Color Match aus der spekularen zu höheren aspekularen Winkeln (Probe gerichtet und parallel bestrahlt), die Lichtpunkte (erzeugt durch Lichtreflektion an Effektpigmenten) eine winkelabhängige „Lebensdauer“ haben, deren Verteilung als Quantile wie folgt beschrieben wird: S10: 4,3° ; S50: 9,6° ; S90: 21,3°. Es wird kein Lichtpunkt beobachtet, der eine „Lebensdauer“ von über 31,8° hat. 10 % aller Reflexionspunkte verschwinden, wenn die Lichtquelle mehr als 5° bewegt wird; 50% aller Reflexionspunkte verschwinden, wenn die Lichtquelle mehr als 10° bewegt wird und 90% aller Reflexionspunkte verschwinden, wenn die Lichtquelle mehr als 23° bewegt wird.The distribution of the particle curvatures t from the averaged plane shape over the total ensemble of particles is described by their quantiles as follows: τ10: 1.5 °; τ50: 2.8 °; τ90: 7.1 °. The resulting coating is characterized by the fact that when moving an LED lamp Scangrip Color Match from the specular to higher aspecular angles (sample directed and irradiated in parallel), the points of light (generated by light reflection on effect pigments) have an angle-dependent "life" whose Distribution as quantiles is described as follows: S10: 4.3 °; S50: 9.6 °; S90: 21.3 °. No point of light is observed that has a "lifetime" of over 31.8 °. 10% of all reflection points disappear when the light source is moved more than 5 °; 50% of all reflection points disappear when the light source is moved more than 10 ° and 90% of all reflection points disappear when the light source is moved more than 23 °.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • EP 2799398 A2 [0011, 0012]EP 2799398 A2 [0011, 0012]

Claims (17)

Lackschicht, die unter direkter Beleuchtung bei Bewegung der Lichtquelle (der Probe oder des Beobachters) eine Scheinbewegung von reflektierten Lichtpunkten zeigt, die durch Reflektion des einfallenden Lichtes an Effektpigmenten entsteht, wobei die Scheinbewegung dadurch charakterisiert ist, dass - wenn die Lichtquelle aus der spekularen zu höheren aspekularen Winkeln verfährt und die Probe gerichtet und parallel bestrahlt, die Lichtpunkte (erzeugt durch Lichtreflektion an Effektpigmenten) eine winkelabhängige „Lebensdauer“ haben, deren Verteilung als Quantile wie folgt beschrieben wird: S10: 4-5° S50: 9-10° S90: 18-23°
und es keinen Lichtpunkt gibt, der eine „Lebensdauer“ von über 33° hat.Lacquer layer, which, under direct illumination when the light source (the specimen or the observer) moves, shows a shimmering of reflected light points resulting from reflection of the incident light on effect pigments, the apparent movement being characterized by the fact that - if the light source is from the specular point of view As a result, the light points (generated by light reflection on effect pigments) have an angle-dependent "lifetime", the distribution of which is described as quantiles as follows: S10: 4-5 ° S50: 9-10 ° S90: 18-23 °
and there is no point of light that has a "life" of over 33 °. Lackschicht nach Anspruch 1, dadurch charakterisiert, dass die Lackschicht eine Schichtdicke von 5 bis 100 µm aufweist.Paint layer after Claim 1 , characterized in that the lacquer layer has a layer thickness of 5 to 100 microns. Lackschicht nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass reflektierende Effektpigmente eingesetzt werden.Paint layer after Claim 1 or 2 , characterized in that reflective effect pigments are used. Lackschicht nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Anzahl der reflektierenden Effektpigmente mindestens 1 Pigment/mm2 beträgt.Lacquer layer after one or more of Claims 1 to 3 , characterized in that the number of reflective effect pigments is at least 1 pigment / mm 2 . Lackschicht nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Flächenbedeckung der Lackschicht durch die Effektpigmente maximal 50 % beträgt.Lacquer layer after one or more of Claims 1 to 4 , characterized in that the area coverage of the paint layer by the effect pigments is at most 50%. Lackschicht nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, das die Reflektivität der Effektpigmentpartikel über das gesamte Spektrum des sichtbaren Lichtes mindestens 10 % beträgt.Lacquer layer after one or more of Claims 1 to 5 , characterized in that the reflectivity of the effect pigment particles over the entire spectrum of visible light is at least 10%. Effektpigmente, dadurch gekennzeichnet, dass die Verteilung der Partikelkrümmungen τ von der gemittelten ebenen Form über das Gesamtensemble der Effektpigmente durch ihre Quantile wie folgt beschrieben wird: τ10: < 2° τ50: < 3,3° τ90: < 7,4°.Effect pigments, characterized in that the distribution of the particle curvatures τ of the averaged plane shape over the total ensemble of the effect pigments is described by their quantiles as follows: τ10: <2 ° τ50: <3.3 ° τ90: <7.4 °. Effektpigmente nach Anspruch 7, dadurch gekennzeichnet, dass sie auf plättchenförmigen Substraten basieren.Effect pigments after Claim 7 , characterized in that they are based on platelet-shaped substrates. Effektpigmente nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die plättchenförmigen Substrate ausgewählt sind aus der Gruppe natürlicher Glimmer, synthetischer Glimmer, Talkum, Kaolin, Glasplättchen, SiO2-Plättchen, Al2O3-Plättchen, Graphit-Plättchen, Fe2O3-Plättchen, BiOCl, TiO2-Plättchen, Nitrid-Plättchen, Oxinitrid-Plättchen, BN-Plättchen, Fischsilber oder deren Gemische.Effect pigments after Claim 7 or 8th , characterized in that the platelet-shaped substrates are selected from the group of natural mica, synthetic mica, talc, kaolin, glass flakes, SiO 2 flakes, Al 2 O 3 flakes, graphite flakes, Fe 2 O 3 flakes, BiOCl, TiO 2 platelets, nitride platelets, oxynitride platelets, BN platelets, fish silver or mixtures thereof. Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Plättchen mit ein oder mehreren Schichten ausgewählt aus der Gruppe TiO2, ZrO2, SnO2, ZnO, Ce2O3, Fe2O3, Fe3O4, FeOOH, Cr2O3, CoO, Co3O4, VO2, V2O3, NiO, SiO2, Al2O3, SnO2, MgF2, Titansuboxiden oder deren Gemische beschichtet sind.Effect pigments according to one or more of Claims 7 to 9 , characterized in that the platelets with one or more layers selected from the group TiO 2 , ZrO 2 , SnO 2 , ZnO, Ce 2 O 3 , Fe 2 O 3 , Fe 3 O 4 , FeOOH, Cr 2 O 3 , CoO , Co 3 O 4 , VO 2 , V 2 O 3 , NiO, SiO 2 , Al 2 O 3 , SnO 2 , MgF 2 , titanium suboxides or mixtures thereof. Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Effektpigmente folgenden Aufbau aufweisen: Plättchen + TiO2-Schicht Plättchen + SiO2-Schicht + TiO2-Schicht Plättchen + Fe2O3-Schicht Plättchen + SiO2-Schicht + Fe2O3-Schicht Plättchen + Fe3O4-Schicht Plättchen + SiO2-Schicht + Fe3O4-Schicht Plättchen + TiFe2O3-Schicht Plättchen + SiO2-Schicht + TiFe2O3-Schicht Plättchen + Cr2O3-Schicht Plättchen + SiO2-Schicht + Cr2O3-Schicht Plättchen + TiO2-Schicht + Cr2O3-Schicht Plättchen + SiO2-Schicht + TiO2-Schicht + Cr2O3-Schicht Plättchen + TiO2-Schicht + SiO2-Schicht + TiO2-Schicht Plättchen + TiO2-Schicht + SiO2-Schicht Plättchen + Titansuboxid Plättchen + SiO2-Schicht + Titansuboxid Plättchen + TiO2-Schicht + Fe2O3-Schicht Plättchen + SiO2-Schicht + TiO2-Schicht + Fe2O3-Schicht Plättchen + TiO2-Schicht + Berliner Blau Plättchen + SiO2-Schicht + TiO2-Schicht + Berliner Blau Plättchen + TiO2-Schicht + Carminrot Plättchen + SiO2-Schicht + TiO2-Schicht + Carminrot Plättchen + TiO2-Schicht + DC Red 30 Plättchen + SiO2-Schicht + TiO2-Schicht + DC Red 30 Plättchen + Fe2O3-Schicht + SiO2-Schicht + Fe2O3-Schicht Plättchen + Fe2O3-Schicht + SiO2-Schicht + TiO2-Schicht Plättchen + TiO2-Schicht + SiO2-Schicht + Fe2O3-Schicht Plättchen + TiO2-Schicht + SiO2-Schicht + TiO2/Fe2O3-Schicht Plättchen + TiO2/Fe2O3-Schicht + SiO2-Schicht + TiO2/Fe2O3-Schicht Plättchen + TiO2-Schicht + SiO2-Schicht + Cr2O3-Schicht Effect pigments according to one or more of Claims 7 to 10 , characterized in that the effect pigments have the following structure: platelets + TiO 2 layer platelets + SiO 2 layer + TiO 2 layer platelets + Fe 2 O 3 layer platelets + SiO 2 layer + Fe 2 O 3 layer platelets + Fe 3 O 4 layer platelet + SiO 2 layer + Fe 3 O 4 layer platelet + TiFe 2 O 3 layer platelet + SiO 2 layer + TiFe 2 O 3 layer platelet + Cr 2 O 3 layer platelet + SiO 2 layer + Cr 2 O 3 layer, platelet + TiO 2 layer + Cr 2 O 3 layer, platelet + SiO 2 layer + TiO 2 layer + Cr 2 O 3 layer, platelet + TiO 2 layer + SiO 2 layer + TiO 2 layer plate + TiO 2 layer + SiO 2 layer plate + titanium suboxide plate + SiO 2 layer + titanium suboxide plate + TiO 2 layer + Fe 2 O 3 layer plate + SiO 2 layer + TiO 2 layer + Fe 2 O 3 layer platelet + TiO 2 layer + Berlin blue platelet + SiO 2 layer + TiO 2 layer + Berliner blue platelet + TiO 2 -S layer + carmine platelet + SiO 2 layer + TiO 2 layer + carmine platelet + TiO 2 layer + DC Red 30 platelet + SiO 2 layer + TiO 2 layer + DC Red 30 platelet + Fe 2 O 3 layer + SiO 2 layer + Fe 2 O 3 layer, platelet + Fe 2 O 3 layer + SiO 2 layer + TiO 2 layer, platelet + TiO 2 layer + SiO 2 layer + Fe 2 O 3 layer, platelets + TiO 2 2 layer + SiO 2 layer + TiO 2 / Fe 2 O 3 layer platelet + TiO 2 / Fe 2 O 3 layer + SiO 2 layer + TiO 2 / Fe 2 O 3 layer platelet + TiO 2 layer + SiO 2 layer + Cr 2 O 3 layer Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass die Plättchen mit TiO2, ZrO2, SiO2, SnO2, In2O3, ZnO oder deren Gemische dotiert sind.Effect pigments according to one or more of Claims 7 to 11 , characterized in that the platelets are doped with TiO 2 , ZrO 2 , SiO 2 , SnO 2 , In 2 O 3 , ZnO or mixtures thereof. Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die Al2O3-Plättchen, die synthetischen Glimmerplättchen, die SiO2-Plättchen, die Glasplättchen mit TiO2, ZrO2, SiO2, SnO2, In2O3, ZnO oder deren Gemische dotiert sind.Effect pigments according to one or more of Claims 7 to 12 , characterized in that the Al 2 O 3 platelets, the synthetic mica platelets, the SiO 2 platelets, the glass platelets are doped with TiO 2 , ZrO 2 , SiO 2 , SnO 2 , In 2 O 3 , ZnO or mixtures thereof. Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 13, dadurch gekennzeichnet, dass die Dotierung 0,01 - 5 % Gew.% bezogen auf das Plättchen beträgt.Effect pigments according to one or more of Claims 7 to 13 , characterized in that the doping 0.01-5% wt.% Based on the platelets. Verwendung der Effektpigmente nach einem oder mehreren der Ansprüche 7 bis 14 in Farben, Lacken, Automobillacken, Pulverlacken, Druckfarben, Sicherheitsdruckfarben, Kunststoffen, keramischen Materialien, Gläsern, Papier, in Tonern für elektrophotographische 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, zur Masseeinfärbung von Lebensmitteln, zur Einfärbung von Überzügen von Lebensmittelprodukten und Pharmaerzeugnissen und in Wertdokumenten.Use of the effect pigments according to one or more of Claims 7 to 14 in paints, lacquers, automotive coatings, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seeds, in greenhouse films and tarpaulins, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigmentary constituents with water, organic and / or aqueous solvents, for the preparation of pigment preparations and dry preparations, for mass coloration of foods, for coloring coatings of food products and pharmaceutical products and in value documents. Formulierungen enthaltend das Effektpigment nach einem oder mehreren der Ansprüche 7 bis 14.Formulations containing the effect pigment according to one or more of Claims 7 to 14 , Formulierungen nach Anspruch 16 enthaltend das Pigment nach einem oder mehreren der Ansprüche 7 bis 14 und mindestens einen Bestandteil ausgewählt aus der Gruppe der Absorptionsmittel, Adstringenzien, antimikrobiellen Stoffen, Antioxidantien, Antiperspirantien, Antischaummitteln, Antischuppenwirkstoffen, Antistatika, Bindemitteln, biologischen Zusatzstoffen, Bleichmitteln, Chelatbildnern, Desodorierungsmitteln, Emollentien, Emulgatoren, Emulsionsstabilisatoren, Farbstoffen, Feuchthaltemitteln, Filmbildnern, Füllstoffen, Geruchsstoffen, Geschmacksstoffen, Insect Repellents, Konservierungsmitteln, Korrosionsschutzmitteln, kosmetischen ölen, Lösungsmitteln, Oxidationsmitteln, pflanzlichen Bestandteilen, Puffersubstanzen, Reduktionsmitteln, Tensiden, Treibgasen, Trübungsmitteln, UV-Filtern und UV-Absorbern, Vergällungsmitteln, Viskositätsreglern, Parfüm und Vitaminen enthalten.Formulations after Claim 16 containing the pigment according to one or more of Claims 7 to 14 and at least one component selected from the group of absorbents, astringents, antimicrobials, antioxidants, antiperspirants, antifoaming agents, antidandruff agents, antistatic agents, binders, biological additives, bleaching agents, chelating agents, deodorants, emollients, emulsifiers, emulsion stabilizers, dyes, humectants, film formers, fillers , Odorants, flavoring agents, insect repellents, preservatives, anticorrosives, cosmetic oils, solvents, oxidizing agents, vegetable constituents, buffer substances, reducing agents, surfactants, propellants, opacifiers, UV filters and UV absorbers, denaturants, viscosity regulators, perfume and vitamins.
DE102018007777.3A 2017-10-04 2018-10-02 Lacquer layers with apparent movement Withdrawn DE102018007777A1 (en)

Applications Claiming Priority (2)

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DE102017009219.2 2017-10-04
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Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2799398A2 (en) 2013-04-30 2014-11-05 Merck Patent GmbH alpha-Alumina flakes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2799398A2 (en) 2013-04-30 2014-11-05 Merck Patent GmbH alpha-Alumina flakes

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