Abstract: Copolycarbonates comprising alkylphenolchain terminator groups for adjusting the molecular weight, compositions of these copolycarbonates with additives chosen from the group of heat stabilizers and mold release agents, the use thereof for the production of moldings and moldings obtained therefrom.

Abstract: An electrode material, an electrode and a process for hydrogen chloride electrolysis based on platinum metal as catalyst, in which the electrode material has a nanosize mixture of platinum particles and silver particles, is described.

Abstract: Processes for preparing polyurethane hydrogels which include free-radically cross-linking: A) hydrophilic polyurethanes having one or more olefinically unsaturated groups selected from the group consisting of acrylate and methacrylate groups; in the presence of B) water; and C) a redox system including a water-soluble oxidizing agent and a water-soluble reducing agent, the oxidizing agent being capable in terms of redox potential of reacting with the water-soluble reducing agent by free-radical formation, wherein the hydrophilic polyurethanes are based on hydroxyl-functional polyalkylene oxides.

Abstract: The disclosure relates to impact-modified polycarbonate compositions and moulding compositions comprising A) aromatic polycarbonate or aromatic polyester carbonate or mixtures of these, B) a mixture containing Ba) at least one graft polymer prepared in emulsion polymerization and Bb) at least one carboxylate salt, wherein this mixture, suspended as a 10 wt. % strength suspension in distilled water, has a pH of >7, C) at least one acidic phosphorus compound with at least one P—OH functionality, which are distinguished compared with the prior art by an improved combination of stability to hydrolysis and heat stability, and which are suitable for production of injection-moulded components which have a good toughness at low temperatures and—even with critical processing conditions (high processing temperatures)—still have a good resistance to stress cracking under the influence of chemicals.

Abstract: The present invention relates to a method for the functionalization of carbon fibres using the vapour of nitric acid, carbon fibres thus modified and use thereof.

Abstract: The present invention relates to a strand-like profile body for dental cleaning, wherein the cross-section of the profile body comprises a bottom section (10) and first wall sections (12) and second wall sections (14), which adjoin the bottom section and are arranged opposite of each other, and wherein furthermore the bottom section (10) together with the first and second wall sections (12, 14) forms at least one recess (16, 18) in the profile body for receiving a tooth. The invention further relates to a method for the production thereof and the use thereof for cleaning teeth.

Abstract: The present invention relates to the use of specific polyurethane coatings, wherein the polyurethane urea is terminated by a copolymer unit of polyethylene oxide and polypropylene oxide.

Abstract: The invention relates to sun protection compositions for applying to the skin, containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing sun-protection products.

Abstract: The present invention relates to a composition comprising bacteriophages and coating material for surfaces, characterized in that a first additional peptide is fused on proteins of the bacteriophage and furthermore a second additional peptide is fused on proteins of the bacteriophage. In addition, the present invention relates to a surface that has been coated with the composition and the use of the composition for coating surfaces.

Abstract: Processes for the production of chlorine from a gas containing hydrogen chloride and carbon monoxide, which comprise the catalysed oxidation of the carbon monoxide as well as optionally further oxidizable constituents, with oxygen to form carbon dioxide in an upstream reactor under adiabatic conditions.

Abstract: The present invention relates to a segmented roof for a motor vehicle comprising a plurality of segments which are connected to one another in a cohesively bonded and/or interlocking manner, are guided laterally in guide rails by means of pins and are movable between a closed position, in which the segments are closely contiguous to one another, and an open position, in which the segments are pushed together and folded in a roof region, characterized in that, apart from the last segment [10], each segment [8] has two opposite sides A and two opposite sides B, and the segments are connected to one another along the sides B, and each side A has two pins [4], [5], one subset of the pins [4] being differently dimensioned from the other subset of the pins [5], two pins located on one side A being differently dimensioned, and two opposite pins on the opposite sides A of a segment each being identically dimensioned.

Abstract: Processes for producing bisphenols (e.g., bisphenol A (BPA)) having a purity greater than 99.7% are described, such processes including reacting a phenol and acetone in the presence of an acidic catalyst to form a product mixture comprising a bisphenol; removing at least a portion of the bisphenol from the product mixture in the form of a bisphenol/phenol adduct by crystallization, filtration and washing to provide bisphenol/phenol adduct crystals; and removing at least a portion of the phenol from the bisphenol/phenol adduct crystals to provide the bisphenol having a purity of more than 99.7%; wherein the crystallization comprises continuous suspension crystallization and is carried out in at least three crystallization devices arranged such that the product mixture is first cooled in a first stage of the crystallization to a temperature of 50 to 70° C.

Abstract: The present invention relates to novel, rapidly curing adhesives based on hydrophilic polyisocyanate prepolymers for use in surgery.

Abstract: The present invention relates to the preparation of aqueous, solvent-free or low-solvent, storage-stable polyurethane crosslinker dispersions having pyrazole-blocked isocyanate groups, to coating compositions prepared from them and to their use in coatings.

Abstract: An organic radiation-emitting component (1) comprising an organic layer (2) formed for generating radiation, and comprising a radiation coupling-out side is specified, a scattering film (8) being arranged on the radiation coupling-out side of the component and being connected to the component.

Abstract: Polycarbonate resin containing small amounts of carbamate compounds is disclosed. The resin that contains at least one of compounds conforming to wherein R1 and R2 independently of one another denote hydrogen or C1-C12-alkyl, or together denote C4-C12-alkylidene, R3 and R4 independently of one another represent hydrogen, C1-C12-alkyl, or phenyl, or together with the carbon atom to which they are bonded form cyclohexyl or trimethylcyclohexyl, and R5 denotes hydrogen, C1-C12-alkyl, C5-C12-cycloalkyl, phenyl or cumyl, are characterized by their low electrostatic field and therefore suitable for making optical storage media.

Abstract: The present invention relates to a solid sheet prepared from a composition that includes: (a) a transparent polycarbonate; and (b) transparent polymeric particles having an optical density which differs from the transparent polycarbonate matrix material. The present invention also relates to use of such a solid sheet as a diffuser sheet in flat screens.

Abstract: A (co)polycarbonate the molecular structure of which contains units derived from bisphenols conforming to formulae (1a1) and (1b1) in which R1 independently of one another represents hydrogen or a C1-C10-alkyl and R2 represents C1-C10-alkyl, or phenyl or benzyl in each case unsubstituted or substituted by at least one member selected from the group consisting of hydrogen and C1-C10-alkyl radical. The (co)polycarbonate exhibits relatively high glass transition temperature and improved adhesion to metals.

Abstract: The present invention relates to a process for the production of carbon nanotubes, in particular those having a diameter of 3-150 nm and an aspect ratio of length:diameter (L:D)>100, by decomposition of hydrocarbons on a heterogeneous catalyst which comprises Mn, Co, preferably also molybdenum, and an inert support material, and the catalyst and the carbon nanotubes themselves and the use thereof.

Abstract: The invention relates to aqueous dispersions of nanoureas which have a defined charge density on the particle surface, to a process for preparing them and to their use in binder.