SPRAY-DRIED DYE COMPOSITIONS, PROCESS FOR THE PRODUCTION AND USE THEREOF

The invention relates to spray-dried, washfast dye compositions, preferably in the form of pigment powders, having a bleeding rate of ≦0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses. 1. Spray-dried dye compositions consisting of water-soluble functional dyes incorporated in an organosilane-based silicon dioxide matrix with bleeding rates of ≦0.5%.2. The spray-dried dye compositions according to claim 1 , produced by the following steps:a) producing a silicon dioxide sol by weak acid hydrolysis of alkoxysi-lanes (organosilanes) in an aqueous organic solvent mixture at a pH of 5 to 6.5;b) adding a water-soluble dye;{'sub': 'x', 'c) spray-drying the dyed sol to cause condensation of the SiOsol particles and encapsulation of the dye molecules;'}d) optionally subsequent temperature treatment for several hours at temperatures above 50° C. over a time period of at least 2 hours.3. The dye compositions according to claim 1 , wherein the incorporated dyes are stable to pH and/or ascorbic acid.4. The dye compositions according to claim 1 , wherein the particle size thereof is 0.01 to 100 m.5. A process for the production of spray-dried dye compositions consisting of water-soluble functional dyes incorporated in an organosilane-based silicon dioxide matrix with bleeding rates of ≦0.5% claim 1 , comprising the steps ofa) producing a silicon dioxide sol by weak acid hydrolysis of alkoxysi-lanes (organosilanes) in an aqueous organic solvent mixture at a pH of 5 to 6.5;b) adding a water-soluble dye;c) gelling by spray-drying the dyed sol.6. The process according to ...

Spray-dried dye compositions, process for the production and use thereof

The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of ≤0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.

Composite material, useful e.g. in windows, comprises cellulose-containing material, which is present with thermoplastic material and exhibits hydrolysis and condensation product on its surface

Composite material (I) comprises cellulose-containing material, where the cellulose-containing material is present in the mixture with a thermoplastic material, which exhibits a hydrolysis and a condensation product on its surface, and is obtained by catalytic conversion of silica sols comprising 40-88 mol.% of tetraalkoxysilanes and 4-20 mol.% of alkyltrialkoxysilanes or several alkyltrialkoxysilane with 4-16C alkyl residue as monomers by the sol gel technology. An independent claim is included for a process for preparing (I) comprising hydrolyzing and condensing the cellulose-containing material with a mixture of silica sols comprising 40-88 mol.% of tetraalkoxysilanes and 4-20 mol.% of alkyltrialkoxysilanes or several alkyltrialkoxysilane with 4-16C alkyl residue as monomers, treating, modifying and drying the cellulose-containing material with the thermoplastic material modified at 15[deg] c to fusing temperature of the thermoplastic material; mixing and cooling.

Triarylamine derivatives with space-filling side groups and use thereof

The invention relates to novel triarylamine derivatives, which are provided with at least one special space-filling wing group and to the use thereof as hole transport material in electrophotographic and electroluminescent devices. According to the invention, the organic electroluminescent device is comprised of a layer assembly consisting of a cathode, an electroluminescent layer, which contains an organic compound, and of an anode, the organic compound in the hole transport layer being a novel triarylamine derivative of general formula 1.

New tris(diarylaminoaryl)amine derivatives, used as hole transport substance or luminescent substance in organic electroluminescent or electrophotographic device, have triaryl-methyl- or -silyl-aryl substituent(s)

Die Erfindung betrifft neue Triarylamin-Derivate, die mit speziellen raumfüllenden Flügelgruppen ausgestattet sind, und deren Einsatz als Lochtransportmaterial in elektrofotografischen und elektrolumineszierenden Vorrichtungen. Die neuen Verbindungen, die hohe Kristallisationstemperaturen aufweisen, entsprechen der allgemeinen Formel 1, worin Ar·1·, Ar·2· und Ar·3· C¶6¶-C¶20¶-Aryl ist, wie Phenyl, Naphthyl, Anthracenyl, Phenanthrenyl, Pyrenyl oder Perylenyl, und Ar·4· bis Ar·9· sind Phenyl, Biphenylyl, Methylphenyl, Naphthyl, Phenanthrenyl, Antracenyl, Fluorenyl, Triarylmethyl-aryl oder Triarysilyl-aryl, wobei wenigstens einer von Ar·4·-Ar·9· Triarylmethyl-aryl oder Triarylsilyl-aryl der Formel 4 ist, worin A ein C oder Si ist, X·1·-X·4· sind, Phenyl, Naphthyl, Anthracenyl, Phenanthrenyl, Pyrenyl, Pyridyl oder Chinolyl, und worin R·1· bis R·8· H, C¶1¶-C¶6¶-Alkyl, Cycloalkyl, C¶2¶-C¶4¶-Alkenyl, C¶1¶-C¶4¶-Alkoxy, Phenyl, Naphthyl oder Pyridyl haben, mit der Maßgabe, dass mindestens einer von Ar·4·-Ar·9· Phenyl, Bipheylyl, Methylphenyl, Naphthyl, Phenanthrenyl, Anthracenyl oder Fluorenyl ist, oder benachbarte Reste R·1·-R·8· bilden einen 5- bis 9-gliedrigen Ring und wenigstens einer dieser Ringe ist vorhanden. DOLLAR F1

FRET bioassay

Die Erfindung betrifft einen Immunoassay auf der Basis von FRET. Es ist die Aufgabe gestellt, Nachweis und Identifizierung biologischer Moleküle wie DANN und dergleichen zu qualifizieren. Die Aufgabe wird gelöst durch einen Assay, der einen Antennenliganden mit Linker, eine Eu(III)-Lösung, Polymethinfarbstoffe mit Säurefunktion und eine Pufferlösung enthält. Die Wellenlängen betragen: Anregungswellenlänge lambda¶exc¶ 360 nm, Detektionswellenlänge lambda¶em¶ 665 nm. The invention relates to an immunoassay based on FRET. The object is to qualify detection and identification of biological molecules such as DNA and the like. The object is achieved by an assay comprising an antenna ligand with linker, an Eu (III) solution, acid-functional polymethine dyes and a buffer solution. The wavelengths are: excitation wavelength lambda¶exc¶ 360 nm, detection wavelength lambda¶¶ 665 nm.

ORGANIC SEMICONDUCTOR MATERIAL AND ORGANIC COMPONENT

Triarylamine derivatives and the use thereof in organic electroluminescent and electrophotographic devices

The invention relates to new triarylamine derivatives containing special space-filling wing groups and to the use thereof as a hole transport material in electrographic and electroluminescent devices. In the triarylamine derivatives, n=1-10, R1 - R4 represent optionally substituted phenyl, biphenylyl, methylphenyl, naphthyl, phenanthrenyl, anthracenyl, fluorenyl, triaryl methyl aryl, or triarylsilyl aryl; Ar represents a biphenylene or a substituted fluorenylene bridge, or Ar represents a substituted biphenylene, triphenylene, or tetraphenylene bridge if n=1.

Preparation of arylamine, useful as intermediates in e.g. pesticides, comprises reacting arylhalogenide compounds with amino compounds in the presence of organic or inorganic base and catalyst (palladium and phosphine compounds)

Preparation of arylamine (I) comprises reacting arylhalogenide compounds (3-6) with amino compounds (7 or 8) in the presence of organic or inorganic base and a catalyst (a palladium compound and a phosphine compound). Preparation of arylamine (I) comprises reacting haloaryl compounds of formulae (3-6) with amino compounds of formula (7 or 8) in the presence of organic or inorganic base and a catalyst (a palladium compound and a phosphine compound of formula (1 or 2)). R10>-R24> = dialkylamino, alkyl-aryl-amino, diarylamino, 1-20C alkyl or 1-20C alkoxy or 3-20C cycloalkyl ring, phenyl, naphthyl or higher condensed system (such as anthracenyl, phenanthrenyl, pyrenyl or aralkyl such as or benzyl or (1-methyl-ethyl)phenyl, which are optionally substituted) or vinyl (all substituted with alkoxy, dialkylamino, aryloxy, aryl alkyl amino, aralkylamino, diarylamino), Cl, Br, I, H or CN; (A)m = alkylene (where m is 1-20), vinylene (where m is 1-6), arylene (where m is 1-6) (where the alkylene, vinylene and arylene are substituted with substituents of R10>-R24>) or N, O or S (where m is 0); R5>-R7> = 1-6C alkyl, 3-20C cycloalkyl, phenyl, naphthyl, aralkyl or higher condensed system (all optionally substituted); R1>-R4> = 1-6C alkyl, 3-20C cycloalkyl, phenyl, naphthyl or higher condensed system (all optionally substituted); and Z = 1-6C alkyl. The groups of R10>-R24> with the exception of univalent groups can form part of ring between different aryl rings with the proviso that Cl, Br or I is directly bounded to R10>-R24> of the ring 3-6. Provided that at least one of R5>-R7> is optionally substituted phenyl, naphthyl, higher condensed system, aralkyl or cycloalkyl. [Image] [Image] [Image] [Image].

Biofilm inhibiting protective layer, useful to coat heat exchangers and inhibit the settlement of algae in e.g. aquarium, comprises covalently bonded quaternary nitrogen compounds, silicon dioxide, 1-6C alkyl and hydrophilic groups

Biofilm inhibiting protective layer (A) (based on functional silica nano-particles), for heat exchangers, comprises a functional nano-particle of: 1-10 mol.% of covalently bonded quaternary nitrogen compound (a), silicon dioxide (b) (60- 95 mol.%), 0-20 mol.% of 1-6C alkyl (c) and 0-5 mol.% of hydrophilic groups (d).

Spray-dried dye compositions, process for the production and use thereof

The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of <= 0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.

Organic electroluminescent device

Organische elektrolumineszente Vorrichtung mit mindestens einer Lochtransportschicht und einer lumineszenten Schicht, ausgebildet zwischen zwei Elektroden bildenden leitfähigen Schichten, wobei mindestens eine der Elektroden transparent ist und bei der die mindestens eine Loch-Transportschicht ein aromatisches Amin der nachfolgenden Formel enthält wobei jeder Bestandteil Ar 1 – Ar 9 ein Arylrest ist, der 6-20 C-Atome im aromatischen System enthält, vorzugsweise Phenyl, α- oder β-Naphthyl, Anthracenyl, Phenanthrenyl, Pyrenyl, Perylenyl und wobei mindestens eine der Gruppen Ar 4 bis Ar 9 aus einem kondensierten Ringsystem, vorzugsweise α- oder β-Naphthyl, Anthracenyl, Phenanthrenyl, besteht.

Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives

Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives

本发明涉及一种有机场致发光器件，其在一个或数个发射体层中以纯的或掺杂的形式包含式1a的2，5－二氨基对苯二酸衍生物作为发射体物质。环A是三重不饱和苯环，其中R 4′ 和R 8′ 等于零，或者环A是分别在1，2位置和4，5－位置提供双键的双不饱和环，并且R 10 是腈基－CN或－C(＝X 1 )－X 2 R 1 基，R 11 是腈基－CN或－C(＝X 3 )－X 4 R 5 基，X 1 和X 3 相同或不同，是氧，硫或亚氨基，X 2 和X 4 是氧，硫或任选地取代的氨基，R 1 －R 8 ，R 4′ 和R 8′ 是H，C1－C20烷基，芳基，杂芳基，R 4 和R 8 还可以是卤素，硝基，氰基或氨基，R 2 －R 4 ，R 6 －R 8 ，R 4′ 和R 8′ 还可以是三氟甲基或五氟苯基，并且其中某些基团可以形成饱和或不饱和环。该新器件其特征在于狭窄的发射谱带，低驱动电压，高光测效率和在广泛光谱限度内的高热稳定性。

Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives

The invention relates to an organic electroluminescent device which contains 2,5-diaminoterephthalic acid derivatives of formula 1a as emitter substances in one or several emitter layers in a pure or doped manner. The ring A is a triple unsaturated benzole ring wherein R<4'> and R<8'> are equal to zero or ring A is a double unsaturated ring respectively provided with a double bond in the1,2 position and 4,5-position, and wherein R<10> is a nitrile radical -CN or a radical C(=X<1>)-X<2>R<1>, R<11> is a nitrile radical -CN or a radical -C(=X<3>)-X<4>R<5>, X<1> and X<3> are oxygen, sulphur or imino, X<2> and X<4> are oxygen, sulphur or optionally substituted amino, R<1> - R<8>, R<4'> and R<8'> are H, C1-C20-alkyl, aryl, heteroaryl, R<4> and R<8> can also be halogen, nitro, cyanogen or amino, R<2> -R<4>, R<6> - R<8>, R<4'> and R<8'> can also be trifluoromethyl or pentafluorophenyl, and wherein certain radicals can form a saturated or unsaturated ring. The novel devices are characterised by narrow emission bands, low driver voltages, high photometric efficiency and high thermal stability within a broad spectral range.

Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives

The invention relates to an organic electroluminescent device which contains 2,5-diaminoterephthalic acid derivatives of formula 1a as emitter substances in one or several emitter layers in a pure or doped manner. The ring A is a triple unsaturated benzene ring wherein R 4′ and R 8′ are zero or ring A is a double unsaturated ring respectively provided with a double bond in the 1,2 position and 4,5 position, and wherein R 10 is a nitrile radical —CN or a radical C(═X 1 )—X 2 R 1 , R 11 is a nitrile radical —CN or a radical —C(═X 3 )—X 4 R 5 , X 1 and X 3 are oxygen, sulfur or imino, X 2 and X 4 are oxygen, sulfur or optionally substituted amino, R 1 –R 8 , R 4′ and R 8′ are H, C1–20-alkyl, aryl, heteroaryl, R 4 and R 8 can be halogen, nitro, cyanogen or amino, R 2 –R 4 , R 6 –R 8 , R 4′ and R 8′ can be trifluoromethyl or pentafluorophenyl, and wherein certain radicals can form a saturated or unsaturated ring. The devices are characterized by narrow emission bands, low driver voltages, high photometric efficiency and high thermal stability within a broad spectral range

Spray-dried dye compositions, process for the production and use thereof

The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of ≤0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.

Trisazoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung

Trisazoverbindungen der allgemeinen Formel 1worin bedeuten R4, R5 und R6 gleich oder verschieden Wasserstoff, Niederalkyl (C1 bis C8), Niederalkoxy (C1 bis C8) und/oder Halogen und R1, R2 und R3 gleich oder verschieden Verbindungen der allgemeinen Formel 2wobei Ra einen Phenylrest bedeutet, der ein- oder mehrfach durch Niederalkyl (C1 bis C8), Niederalkoxy (C1 bis C8), Phenoxy, Phenylcarbonyl und/oder Halogen substituiert sein kann, und Rb einen Niederalkylrest (C1 bis C8) bedeutet oder einen optional ein- oder mehrfach durch Niederalkyl (C1 bis C8), Niederalkoxy (C1 bis C8) und/oder Halogen substituierten Phenylrest darstellt.

Deckschicht für elektrophotografische druckwalzen

Die Erfindung betrifft eine neue Deckschicht für elektrophotograf ische Druckwalzen mit verbesserter Kratzbeständigkeit. Die neue Deckschicht besteht aus 50 bis 75 Gew.-% cycloaliphatischen Epoxiden, 20 bis 60 Gew.-% aminofunktionellen Silica-Nanopartikeln und 0 bis 2 Gew.-% Perfluoralkyltrialkoxysilanen. Die Herstellung der aminofunktionellen Nanopartikel erfolgt vorzugsweise durch Sol/Gel-Technologie aus Aminoalkyltrialkoxysilanen.

Deckschicht für elektrophotografische druckwalzen

Die Erfindung betrifft eine neue Deckschicht für elektrophotograf ische Druckwalzen mit verbesserter Kratzbeständigkeit. Die neue Deckschicht besteht aus 50 bis 75 Gew.-% cycloaliphatischen Epoxiden, 20 bis 60 Gew.-% aminofunktionellen Silica-Nanopartikeln und 0 bis 2 Gew.-% Perfluoralkyltrialkoxysilanen. Die Herstellung der aminofunktionellen Nanopartikel erfolgt vorzugsweise durch Sol/Gel-Technologie aus Aminoalkyltrialkoxysilanen.

芳基胺取代的二乙烯基芴及其用于电子摄影应用和oled（有机发光器件）的使用

本发明涉及芳基胺取代的二乙烯基芴。本发明的目的是提供具有良好耐用性、高灵敏度和低残余电位的光电导体。本发明的任务是检测新型空穴导体，该空穴导体可用于电子摄影术、复印以及OLED领域。通过制备题述化合物，特别是通式(11)的化合物解决该任务。

Anorganische absorbierende Komposite, Verfahren zur Herstellung und Verwendung

Anorganische, cucurbituril enthaltenden, absorbierende komposite, verfahren zur herstellung und verwendung

Die Erfindung betrifft neue anorganische absorbierende Komposite aus einer offenporigen, festen, anorganischen Matrix mit in der Matrix chemisch gebundenen Cucurbiturilen der allgemeinen Formel (I) wobei die Cucurbiturile einen Makrocyclus mit Käfigstruktur bilden, bestehen aus n sich wiederholenden Einheiten, worin n eine ganze Zahl 5, 6, 7 oder 8 ist, und worin R die Bedeutung Wasserstoff oder C1-C5-Alkyl hat, und X ist O, S oder N, und worin X und R gleich oder verschieden sein können. Die Herstellung erfolgt durch Umsetzung von Cucurbituril mit einen anorganischen Matrixbildner, wie Kieselgelen, bei 15 bis 90°C in flüssigem Medium. Die Verwendung ist als Absorptionsmaterial und Katalysatortrâger möglich.

Organische insbesondere rot elektrolumineszierende Vorrichtung und Dotierstoffe

Organische insbesondere rot elektrolumineszierende Vorrichtung und Dotierstoffe