Abstract: The present invention relates to a compound of formula (I), wherein R1, R2, R3 and R4 are each independently hydrogen or Ra, with proviso that a pair of two substituents selected from R1 and R2, R2 and R3, and R3 and R4 is linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be-tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device.

Abstract: Specific polycyclic compounds of the general formula (I) and a process for their preparation, a material for an organic electroluminescence device comprising said compound, an organic electroluminescence device comprising said compound, an electronic equipment comprising said organic electroluminescence device, and the use of compounds according to general formula (I) in an organic electroluminescence device.

Abstract: The present invention relates to a compound of formula (I), wherein R1, R2, R3 and R4 are each independently hydrogen or Ra, with proviso that a pair of two substituents selected from R1 and R2, R2 and R3, and R3 and R4 is linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be-tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device.

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.

Abstract: The present invention provides organic-inorganic composite particles having an average diameter of 60 to 12,000 nm, wherein the organic-inorganic composite particles are obtainable by reacting particles A, which are particles carrying at least one functional group Ra, with particles B, which are particles carrying at least one functional group Rb, under formation of a covalent linkage between particles A and particles B. The present invention also provides compositions comprising these particles and substrates coated with these compositions.

Abstract: Color filter comprising a surface-modified nanoparticle wherein a cationic colorant is covalently attached to the surface of said nanoparticle, a polymerizable mixture for making color filters, a surface-modified nanoparticle and its use.

Abstract: A process for modifying the surface of an inorganic or organic substrate with strongly adherent nanoparticles is described, providing to the surface modified substrate durable effects like hydrophobicity, hydrophilicity, electrical conductivity, magnetic properties, flame retardance, color, adhesion, roughness, scratch resistance, UV-absorbance, antimicrobial properties, antifouling properties, antiprotein properties, antistatic properties, antifog properties, release properties. In this process, an optional first step a) a low-temperature plasma, ozonization, high energy irradiation, corona discharge or a flame is caused to act on the inorganic or organic substrate, and in a second step b) one or more defined nanoparticles or mixtures of defined nanoparticles with monomers, containing at least one ethylenically unsaturated group, or solutions, suspensions or emulsions of the afore-mentioned substances, are applied, preferably at normal pressure, to the inorganic or organic substrate.

Abstract: The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of formula (1), wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, R1 and R2 are independently of each other hydrogen, nanoparticle surface-O—, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, and Y is a radical of formula —B1-D1 (2a), wherein B1 is the direct bond or a bridge member, and D1 is a radical of a cationic dye, a radical of a phthalocyanine dye which carries no water-solubilizing group, or a radical of a fluorescent dye selected from the group consisting of coumarins, benzocoumarins, xanthenes, benzo[a]xanthenes, benzo[b]xanthenes, benzo[c]xanthenes, phenoxazines, benzo[a]phenoxazines, benzo[b]phenoxazines, benzo[c]phenoxazines, napthalimides, naphtholactams, azlactones, methines, oxazines, thiazines, diketopyrrolopyrroles, quinacridones, benzoxanthenes, thio-epindolines, lactamimides, diphenylmaleimides, acetoacetamides, imidazothiazines, benzanthrones, p

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.

Abstract: The invention relates to ?-halocarboxylic acid esters of polyhydric, at least trihydric, alcohols, which can be used as initiators for ATRP. Using those initiators it is possible to prepare block copolymers having branched structures.

Abstract: The instant invention relates to a process for manufacturing nanoparticles by intercalating and/or exfoliating natural or synthetic clays using block or comb copolymers having one cationic block and at least one non polar block, which are prepared by controlled free radical polymerization (CFRP). The invention also relates to improved nanocomposite compositions containing nanoparticles produced by this process and to the use of these nanocomposite compositions as, for example in, coatings, sealants, caulks, adhesives and as plastic additives.

Abstract: The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.

Abstract: The invention relates to comb polymers and macromonomers based on acrylates prepared by the ATRP (Atom Transfer Radical Polymerization) method. These polymers have an improved capability of dispersing pigments in the given solvent. The invention also relates to compositions comprising the comb polymers and macromonomers dispersible inorganic or organic pigment particles. The compositions are used by applying them to any suitable substrate, for example to metal, wood plastic or ceramic materials.

Abstract: The invention relates to &agr;-halocarboxylic acid esters of polyhydric, at least trihydric, alcohols, which can be used as initiators for ATRP. Using those initiators it is possible to prepare block copolymers having branched structures.

Abstract: The invention relates to comb polymers and macromonomers based on acrylates prepared by the ATRP (Atom Transfer Radical Polymerization) method. These polymers have an improved capability of dispersing pigments in the given solvent. The invention also relates to compositions comprising the comb polymers and macromonomers dispersible inorganic or organic pigment particles. The compositions are used by applying them to any suitable substrate, for example to metal, wood plastic or ceramic materials.

Abstract: The invention relates to a process for the preparation of polymers containing N→O terminal groups and to compositions comprising polymers obtained by this process. The process comprises polymerizing by atom transfer radical polymerization (ATRP) an aliphatic monomer of oligomer containing ethylene groups in the presence of a polymerization initiator.