Abstract: A composition including a photoinitiator and an azo compound are cured with the formation of bubbles. The method can also be carried out in a multi-stage method involving irradiation and heating.

Abstract: A method for producing conductive materials from Nb-doped TiO2-particles, in which Nb-doped TiO2-particles are pressed to form bodies and the bodies are treated in an oxygen-containing atmosphere and at a reducing atmosphere.

Abstract: A method for the production of conductive structures, wherein nanofibers are applied with a photocatalytic component onto a substrate, in particular by electrospinning, and wherein a metallic layer is deposited photolytically on the substrate.

Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.

Abstract: A process for producing doped nanoparticles, in particular for N-doped nanoparticles, includes a hydrothermal process using an organic nitrogen-containing compound or a mineral acid having at least one nitrogen atom. In particular, the photocatalytically active particles produced are characterized by a particularly high activity even in visible light.

Abstract: A method for producing conductive materials from Nb-doped TiO2-particles, in which Nb-doped TiO2-particles are pressed to form bodies and the bodies are treated in an oxygen-containing atmosphere and at a reducing atmosphere.

Abstract: A process for producing a structured surface, in which a composition comprising nanowires is applied to a surface and structured, especially by partial displacement of the composition. When the solvent is removed, the nanowires aggregate to form structures. These may be transparent and also conductive.

Abstract: A method for producing metal structures includes an initiator composition comprising a photocatalytic substance being applied to a substrate. A precursor composition that can be reduced to a metal by the photocatalytic activity of the nanodusts is applied to the layer. A structure template is then applied, partially displacing the precursor composition, and then the substrate is illuminated. Structured metal structures are thus generated.

Abstract: A process for producing doped nanoparticles, in particular for N-doped nanoparticles, includes a hydrothermal process using an organic nitrogen-containing compound or a mineral acid having at least one nitrogen atom. In particular, the photocatalytically active particles produced are characterized by a particularly high activity even in visible light.

Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.

Abstract: A method for producing patterned metallic coatings includes an initiator composition having at least one active substance being added to a substrate. A precursor composition including at least one precursor compound for a metallic layer is applied to the initiator composition coating. A metallic layer is then deposited by the active substance. At least one composition is applied as an emulsion in order to obtain a patterning of the resultant metallic layer.

Abstract: A method for the production of conductive structures, wherein nanofibers are applied with a photocatalytic component onto a substrate, in particular by electrospinning, and wherein a metallic layer is deposited photolytically on the substrate.

Abstract: A process for producing a structured surface, in which a composition comprising nanowires is applied to a surface and structured, especially by partial displacement of the composition. When the solvent is removed, the nanowires aggregate to form structures. These may be transparent and also conductive.

Abstract: A method for producing finely structured surfaces, in particular in plastics, includes a) applying at least one coating compound on at least one substrate; b) forming a fine structure by a die, which has the negative of a fine structure, c) curing the resultant finely structured coating compound, obtaining a substantially cured coating; and d) separating the finely structured coating from the die, wherein steps d) and c) can also be carried out in the reverse order.

Abstract: A method for producing patterned metallic coatings, includes an initiator composition having at least one active substance being added to a substrate. A precursor composition including at least one precursor compound for a metallic layer is applied to the initiator composition coating. A metallic layer is then deposited by the active substance. At least one composition is applied as an emulsion in order to obtain a patterning of the resultant metallic layer.

Abstract: A process for producing encapsulated metal colloids useful as inorganic colored pigments, including, reacting one or more glass-forming components according to the sol-gel process to obtain a sol dispersing a metal salt in the resulting sol in the presence of an additional reducing agent to form metal colloids, converting the resulting dispersion into xerogel-encapsulated metal colloids by spray drying, heating the resulting xerogel-encapsulated metal colloids to density them. The present invention relates, furthermore, to inorganic colored pigments, in particular producible by the process of the invention, including metal colloids produced from metal salts and encapsulated in an encapsulation, the encapsulation being produced from glass-forming components according to the sol-gel process and being densified to a xerogel or glass, the proportion of metal colloid in the capsules being at least 80%.

Abstract: A method for producing nanoscale particles by means of ionic liquids produces highly crystalline particles. The ionic liquids can be easily regenerated.

Abstract: A method for producing coatings having anti-reflection properties uses a compound comprising at least one type of nanoparticle and at least one solvent. The compound is applied to a substrate and treated at various temperatures. Anti-reflection coatings can be obtained on temperature-sensitive materials such as PMMA or PET.

Abstract: A composition for producing optical elements has a gradient structure, particularly for holographic applications, wherein the gradient structure is formed by a refractivity gradient. The composition is produced from a polymer and a light- and/or temperature-sensitive metal complex and the light- and/or temperature-sensitive metal complex is decomposed upon changing the local refractivity. The result is the formation of a refractivity gradient.

Abstract: A method for producing thin films, particularly for coating surfaces includes a) adding surface-active substances to flowable compositions comprising nanoscale inorganic particulate solids having polymerizable and/or polycondensable organic surface groups; b) forming one or more thin films stabilized by the accumulation of the surface-active substances at the interface(s), the forming of one or more thin films taking place through the generation of bubbles, foam, through the formation of minimal surfaces and/or through the wetting of surfaces; and c) solidifying the films by polymerization and/or polycondensation.