Abstract: The present invention relates to novel photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer and a photoinitiator comprising a dye of formula (I). The present invention further relates to a holographic medium which contains a photopolymer formulation of the present invention or is obtainable by using same, to the use of a photopolymer formulation of the present invention for producing holographic media and also to a process for producing a holographic medium by using a photopolymer formulation of the present invention.

Abstract: The present invention relates to a process for preparing polyether polyols by base-catalyzed addition of alkylene oxides (epoxides) onto starter compounds which are solid at room temperature and have Zerevitinov-active hydrogen atoms, a particular feature of which is that visually clear and/or homogeneous products are obtained even in the absence of solvents.

Abstract: The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photoinitiators, to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for illuminating holographic media made of the photopolymer formulation, and to special fluorourethanes.

Abstract: The present invention relates to a process for solvent-free preparation of polyether polyols with blockwise polyether chain structure, based on starter compounds solid at room temperature.

Abstract: The invention relates to hydrophilic aliphatic polyurethane foams obtained by reacting special prepolymers having a low monomer concentration and hydrophilic polyisocyanates in the presence of water. The absorptive properties make said polyurethane foams particularly suitable for producing wound dressings, cosmetic articles, or incontinence products.

Abstract: A polyurethane/polyisocyanurate foam is obtainable from the reaction of A) a polyol component comprising A1) an aromatic polyester polyol, A2) a polyether polyol started on a carbohydrate polyol and A3) a polyether polyol started on ethylene glycol, wherein the total hydroxyl number of the polyol component A) is from ?150 mg KOH/g to ?300 mg KOH/g; with B) a polyisocyanate component, wherein the equivalent ratio of NCO groups to the sum of the hydrogen atoms reactive towards NCO groups is from ?110:100 to ?200:100. This foam has improved adhesion properties to facings and is suitable for the production of composite elements without requiring the use of an additional adhesion promoter.

Abstract: A computer-implemented method for optimising an injection moulding process for producing thick-walled components based on a model parameterised on the basis of parameters to be predetermined is provided, wherein a component to be produced is represented in the model with a component geometry, and the method comprises at least the following steps: e) defining a group of parameters as primary characteristics on the basis of a relative influence of the parameters on a predetermined model response, and f) defining parameter values for the primary characteristics as starting values for a subsequent optimisation of the model and of respective tolerance ranges for the primary characteristics, c) optimising the parameter values of the individual primary characteristics with respect to a desired value of the model response in the respective tolerance ranges, proceeding from the starting values from step a), and d) setting the optimised parameter values from step c) as the corresponding starting parameter values on an

Abstract: The present invention relates to moulding compositions of polycarbonates and graft polymers and optionally further additives and components, which have, in addition to a high resistance to chemicals, a good resistance to heat, in particular a low tendency towards yellowing and a low tendency towards degradation when exposed to heat. In a particular, flameproofed embodiment, the after-burn time in a UL94 classification is furthermore reduced.

Abstract: The invention relates to compositions containing at least one (co)polycarbonate stable at high temperature and at least one ethylene-alkyl acrylate block copolymer, and to moldings and injection molded parts and extrudates obtainable from these compositions.

Abstract: The invention relates to a polymer composition which absorbs infrared radiation (IR), containing a transparent thermoplastic plastic, an inorganic infrared absorber, also referred to as IR absorber hereinbelow, at least one inorganic nano-scale pigment, and the combination of at least two organic coloring agents of a specific structure, and to the preparation and use of the polymer compositions according to the invention and to products produced therefrom.

Abstract: The invention relates to a process for preparing diaryl carbonates and/or alkyl aryl carbonates from dialkyl carbonates and aromatic hydroxy compounds using a reactive dividing wall column.

Abstract: The present invention relates to a multilayer structure as a reflector with increased mechanical stability, which comprises a substrate layer A, a barrier layer B, a metallic reflector layer C, an optional layer D, a plasma polymer layer E, and a covering layer comprising inorganic constituents, and the covering layer does not contain UV absorber.

Abstract: The present invention relates to an electromechanical converter, in particular an electromechanical sensor, actuator and/or generator, which comprises a polymer element obtainable from a reaction mixture comprising a polyisocyanate, a polyisocyanate prepolymer and a compound having at least two isocyanate-reactive hydroxy groups. The present invention additionally relates to a process for the production of such an electromechanical converter and to the use of a polymer element according to the invention as an electromechanical element. The present invention relates further to an electronic and/or electrical device comprising an electromechanical converter according to the invention and to the use of an electromechanical converter according to the invention in an electronic and/or electrical device.

Abstract: A process for producing oxygen-consuming electrodes, in particular for use in chloralkali electrolysis, which display good transport capability and storage capability. In the process, a silver oxide-containing sheet-like structure as intermediate is electrochemically reduced. Also disclosed are methods of using these electrodes in chloralkali electrolysis or fuel cell technology or in metal-air batteries, and the fuel cells and metal-air batteries produced.

Abstract: The present invention describes the preparation of an aqueous polyurethane dispersion which is cured by radiation, and its use as binder.

Abstract: The present invention relates to a method for producing a multi-layer product comprising a) a substrate containing at least one thermoplastic substrate layer and b) at least one protective layer made of a coating composition comprising compounds with at least two functional groups, characterized in that the protective layer(s) are/is applied inline after the production of the substrate containing the substrate layer.

Abstract: The invention relates to a method for obtaining electrical energy from the kinetic energy waves. According to said method, a device is provided in the water, comprising an electroactive polymer that can expand with the action of the waves. When the electroactive polymer expands, an electrical charge is applied at a specific time for a specific time interval. Said electrical charge is removed during the relaxation of the polymer, except for a residual charge. According to said method, the variables of the electrical target charge required for the operation of the method, and the time intervals for the beginning and end of the charging and discharging of the electroactive polymer are determined. The invention also relates to a system for obtaining electrical energy and to a computer program product comprising commands that can be implemented by a microprocessor for carrying out the calculations in the method according to the invention.

Abstract: The subject matter of the invention is a method for producing illuminated, holographic media comprising a photopolymer formulation having the adjustable mechanical modulus GUV. A further subject matter of the invention is an illuminated, holographic medium that can be obtained by means of the method according to the invention.

Abstract: A document (2) containing: electronic components (14) and/or diffractive security elements; at least one protective layer (4, 5) being arranged on one side or two protective layers (4, 5) being arranged on both sides of the electronic components (14) and/or of the diffractive security element, said protective layers being formed of a first base polymer, polymer layers (8, 9, 12, 13), being formed of a second base polymer being different from the first base polymer, into which the electronic components (14) and/or the diffractive security element with the protective layers (4, 5) are laminated; and adhesive layers with a latent-reactive adhesive (10, 11) being arranged at least between the polymer layers (8, 9, 12, 13) and the protective layers (4, 5), and wherein the core layer or protective layers are formed of a thermoplastic elastomer.

Abstract: Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component and a water-dilutable, ethylenically unsaturated polyurethane polyol component.