Abstract: The invention relates to a process for producing expandable pelletized material which comprises polylactic acid which comprises the following steps: a) melting and incorporation by mixing of the following components: i) from 50 to 99.9% by weight, based on the total weight of components i to iii), of polylactic acid, ii) from 0 to 49.9% by weight, based on the total weight of components i to iii), of one or more further polymers, iii) from 0.1 to 2% by weight, based on the total weight of components i to iii), of a diepoxide or polyepoxide, and iv) from 0 to 10% by weight of one or more additives, b) incorporation by mixing of v) from 3 to 7% by weight, based on the total weight of components i to iv), of an organic blowing agent into the polymer melt by means of a static or dynamic mixer at a temperature of at least 140° C., c) discharging through a die plate with holes, the diameter of which at the exit from the die is at most 1.

Abstract: The present invention relates to novel active substance combinations which comprise firstly a known herbicide selected from among glyphosate derivatives, cyclohexenone oximes, imidazolinone derivatives, dinitroaniline derivatives, amide derivatives and quaternary ammonium salts, and at least one fungicidal active substance, and which are suitable for controlling undesirable phytopathogenic fungi, in particular soybean rust.

Abstract: The invention relates to a process for preparing mechanically stabilized polyazole polymers. The process includes the steps of: a) producing a film comprising polyazoles with at least one amino group in a repeat unit, b) treating the film from step a) with a solution comprising (i) at least one acid and (ii) at least one stabilizing reagent, and c) performing the stabilization reaction in the membrane obtained in step directly or in a subsequent membrane processing step by heating to a temperature greater than 60° C. The stabilizing reagent contains at least one compound which has at least one aldehyde group and at least one hydroxyl group; or at least one hemiacetal group; or at least one acetal group. These polyazole polymer membranes have a high conductivity and a good mechanical stability and are suitable for applications in fuel cells.

Abstract: The present invention concerns microcapsules comprising a capsule core and a capsule wall composed of thermoset polymer and also, disposed on the outer surface of the capsule wall, a polyelectrolyte having an average molecular weight in the range from 500 g/mol to 10 million g/mol, and also a process for their production and their use in bindered building materials, textiles, heat transfer fluids and dumped beds.

Abstract: The present invention relates to the use, for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, of fine-particle polymer powders comprising at least one UV absorber. The present invention further relates to stabilizer mixtures for stabilizing polymers with respect to exposure to UV radiation, oxygen and heat, which, inter alia, comprise these polymer powders, and to a process for stabilizing polymers, in particular polyolefins, with respect to exposure to UV radiation, oxygen and heat, which comprises adding, to the polymers, in particular to the polyolefins, an effective amount of these stabilizers.

Abstract: The present invention relates to new coating materials for corrosion control.

Abstract: The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerization which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.

Abstract: The invention relates to a novel active ingredient that stimulates the proliferation and/or the activity of fibroblasts and also to its applications in the cosmetic or pharmaceutical, in particular dermatological, field. In particular, the active ingredient according to the invention comprises a combination of at least one Hibiscus Abelmoschus extract and a soy extract containing at least peptides.

Abstract: A process for preparing substituted biphenyls of the formula I where R1=nitro or amino, R2=cyano, halogen, C1-C4-haloalkyl, C1-C4-haloalkoxy or C1-C4-haloalkylthio, n=from 0 to 3, and R3=hydrogen, cyano or halogen, which comprises reacting a halobenzene of the formula II in which Hal is chlorine or bromine, in the presence of a base and of a palladium catalyst which consists of palladium and a bidentate phosphorus ligand of the formula III where Ar is phenyl which is substituted if desired and R4 and R5 are each C1-C8-alkyl or C3-C6-cycloalkyl or together form a 2- to 7-membered bridge which may, if desired, bear a C1-C6-alkyl substituent, in a solvent or diluent, with a phenylboronic acid IVa a diphenylborinic acid IVb or a mixture of IVa and IVb.

Abstract: A process for producing water-absorbing polymer particles, wherein heated water-absorbing polymer particles are remoisturized and cooled in a high-speed mixer.

Abstract: A hydrocracking catalyst comprising zeolite crystallized as a layer on the surface of a porous alumina-containing matrix, said zeolite-layered matrix arranged in a configuration to provide macropores in which the zeolite layer is provided on the walls of the macropores. Hydrogenating metals can be incorporated into the catalyst.

Abstract: The present invention relates to a method for the reduction of the formaldehyde emission of wood-base materials by application of nitrogen-containing compounds, wherein (i) a mixture which comprises at least one polyamine and, if appropriate, up to 20% by weight, based on the mixture, of urea is applied to the wood-base material; (ii) polyamine is applied on or in the particle or fiber cake; (iii) polyamine is applied to the coating substrate used for surface finishing and/or (iv) polyamine is applied to the exposed areas; the polyamines having a molecular weight of at least 500 g/mol and at least 6 primary or secondary amino groups.

Abstract: Process for preparing olefins, which comprises the following steps: a) preparation of a synthesis gas comprising carbon monoxide and hydrogen, b) introduction of carbon dioxide recirculated from step d) into the synthesis gas during or after the preparation of synthesis gas as per step a), c) conversion of the synthesis gas having a hydrogen to carbon monoxide ratio of ?1.2:1 which is obtained in step b) into olefins in the presence of a Fischer-Tropsch catalyst, d) removal of the carbon dioxide comprised in the reaction product from step c), where the ratio of hydrogen to carbon monoxide in step c) is set via step b).

Abstract: The invention relates to a process and compositions suitable for reducing by heat the molecular weight of polypropylene, propylene copolymers or polypropylene blends. Azo compounds bearing different substituents are added to the polymers.

Abstract: Coated catalysts comprising a catalytically active multimetal oxide comprising molybdenum. The coated catalyst comprises a support body, a first layer and a second layer. The first layer comprises a molybdenum oxide or a precursor compound which forms molybdenum oxide. The second layer comprises a multimetal oxide comprising molybdenum and at least one further metal.

Abstract: The present invention relates to a novel process for producing textured surfaces on multicrystalline, tricrystalline and monocrystalline silicon surfaces of solar cells or on silicon substrates which are used for photovoltaic purposes. It relates in particular to an etching process and an etching agent for producing a textured surface on a silicon substrate.

Abstract: Novel ionic liquids comprising polyethercarboxylates as anions, a process for preparing them and their use.

Abstract: The present invention relates to a process for preparing at least one monocyclic ketone having from 4 to 20 carbon atoms by reacting a mixture G1 comprising at least one monocyclic olefin having from 4 to 20 carbon atoms with a mixture G2 comprising at least dinitrogen monoxide, wherein said reaction is performed adiabatically.

Abstract: A process for starting up a separating process for purifying removal of acrylic acid crystals from a suspension S of crystals thereof in mother liquor with a hydraulic wash column which has a crystal melt circuit including crystal melt space, and a process space and a distributor space which are separated by an end with passages connecting the two spaces, in which the crystal bed is formed for the first time by first filling the crystal melt circuit and, at least partly, the process space with an acrylic acid-comprising startup liquid whose acrylic acid crystal formation temperature is less than or equal to the temperature of the suspension S increased by 15° C.

Abstract: A method for forming a mixed metal coating on a gas diffusion medium substantially free of ionomeric components which includes the steps of subjecting an electrically conductive web to a first ion beam having an energy not higher than 500 eV, then to a second beam having an energy of at least 500 eV containing the ions of a first metal, and to at least a third beam having an energy of at least 500 eV containing the ions of a noble metal. The invention also relates to gas diffusion electrodes.