Abstract: The invention relates to a method for recovering raw materials from polyurethane products, comprising the steps of (A) providing a polyurethane product that is based on an isocyanate component and a polyol component; (B) reacting the polyurethane product with a (mono- or polyvalent) alcohol in the presence of a catalyst, thereby obtaining a first product mixture; (C) obtaining the polyols from the first product mixture, comprising (C.I) mixing, without prior removal of any water that might be contained in the first product mixture, the first product mixture obtained in step (B) with an organic solvent that is not completely miscible with the alcohol used in step (B), and phase separation into a first alcohol phase and a first solvent phase; (C.II) processing the first solvent phase and obtaining polyols; and preferably (D) obtaining amines.

Abstract: An unbalance measuring device, includes two spaced-apart workpiece receiving devices for rotatably receiving a workpiece, the unbalance of which is to be measured, and at least one sensor for detecting a vibration of the workpiece during the rotation, wherein the workpiece receiving devices each have a connection device for the positionally fixed fastening, and a workpiece receptacle for the rotational receiving, of a workpiece portion, wherein a spring device is in each case arranged between the connection devices and the workpiece receptacles.

Abstract: A method for pyrolysis of polycarbonate-containing material in order to recover raw materials is provided. The method comprises at least the following steps: (a) introducing material intended for the pyrolysis, at least comprising material that contains a mixture of a polycarbonate-containing compound and a polystyrene-containing compound, into a reactor; (b) decomposing, at a temperature of 300° C. to 700° C., at least the material intended for pyrolysis introduced into the reactor in step (a) and obtaining a product that is present in the gaseous phase as the pyrolysate and of pyrolysis residues that are present in a non-gaseous phase; and (c) cooling the removed pyrolysate to a temperature of less than 300° C. while obtaining a pyrolysis product, selected from pyrolysis condensate, pyrolysis sublimate or a mixture thereof.

Abstract: A method for automatically adapting a traction control of a vehicle. The method includes: receiving current state variables of the vehicle, each of which indicates a current state of the vehicle; determining a control action using a traction controller based on the received current state variables, wherein the control action includes increasing, maintaining, or decreasing a control variable including a torque of a motor and/or a pressure of a brake cylinder; determining a control gradient of the control variable using a value matrix which includes a plurality of parameters each assigned to current value matrix state variables of the vehicle, wherein the control gradient is selected from the plurality of parameters as a function of the current value matrix state variables which include the current value matrix state variables; carrying out the traction control of the vehicle.

Abstract: A method for operating a detection device for determining distance variables that characterize distances of detected objects is described. A modulated electrical transmission signal is used to produce a correspondingly modulated electromagnetic scanning signal, which is transmitted into a monitoring region. At least one reception range (EL) is used to detect at least one signal portion of an electromagnetic echo signal of the scanning signal in at least one defined capture time range (TB) and to convert it into a corresponding electrical received signal. At least one received signal is used to determine at least one distance variable. At least one defined capture time range (TB) that is shorter than a modulation period of the at least one transmission signal is predefined.

Abstract: A method for the drive control of actuators of at least one wheel of a vehicle. The method includes: sensing a desired acceleration; sensing a vehicle velocity of the vehicle; sensing a wheel velocity of the wheel determining a status description of the wheel from the wheel velocity and a wheel acceleration; determining a first value of a target wheel acceleration from the status description, a slip of the wheel, and the desired acceleration; determining a second value of the target wheel acceleration from the wheel velocity, the wheel acceleration and the slip, wherein the second value is a function of correction factors of at least one matrix; and determining a third value of the target wheel acceleration, which value controls the actuators of the at least one wheel, wherein the third value is a function of the first value and of the second value.

Abstract: A method for operating a detection device for determining distance variables in which distances characterise objects detected by the detection device is disclosed. From at least one amplitude-modulated electrical send signal at least one scanning signal is generated, which is sent into at least one monitoring region of the detection device. From at least one echo signal of at least one scanning signal reflected in the at least one monitoring region at least one amplitude-modulated electrical receive signal is determined. From at least one electrical send signal and at least one electrical receive signal at least one distance variable is determined. When determining the at least one distance variable at least one adjustment is carried out. A temperature adjustment is carried out in which at least one temperature adjustment variable is applied to at least one distance variable.

Abstract: The invention relates to a method for recovering raw materials from polyurethane products, having the steps of: (A) providing a polyurethane product based on an isocyanate component and a polyol component; (B) reacting the polyurethane product with an alcohol in the presence of a catalyst, wherein a first product mixture containing alcohol, polyols, carbamates, and optionally water is obtained; (C) preparing the first product mixture, having the steps of: (C.I.) mixing the first product mixture obtained in step (B) with an organic solvent, which can be mixed with the alcohol used in step (B), optionally followed by a separation of solid components, thereby obtaining a second product mixture; (C.II) washing the second product mixture obtained in step (C.

Abstract: The invention relates to a transmission device (22) of an optical detection device (12) for monitoring at least one monitoring region (14) for objects (18) using electromagnetic transmission signals (28). The invention also relates to a detection device (12), to a vehicle (10), and to a method for operating the optical detection device (12). The transmission device (22) comprises at least one signal source (32), by means of which electromagnetic transmission signals (28) can be generated, and at least one signal influencing device (34), by means of which the electromagnetic transmission signals (28) can be influenced. The at least one signal influencing device (34) has at least two different optical diffuser regions (40a, 40b, 40c, 40d) which are arranged adjacently to one another when viewed at least in a direction transverse to the optical axis (36) of the at least one signal source (32) and which have different scattering properties with respect to the electromagnetic transmission signals (28).

Abstract: The invention relates to a method for the purification of aniline, comprising the following steps: a) providing a raw aniline fraction; b) extracting the raw aniline fraction with an aqueous extractant containing, in relation to the total mass of the aqueous extractant, an alkali metal hydroxide in a concentration range from 0.009 to 2.05 mass % and an alkali metal salt that is different from an alkali metal hydroxide in a concentration range from 2.40 to 25.0 mass %, wherein an organic aniline phase and an aqueous amino phenolate phase are obtained after a phase separation; c) distilling the organic aniline phase from step b), obtaining a flow of purified aniline, a gaseous flow that boils at a lower temperature than aniline and containing organic impurities, and a liquid flow that boils at a higher temperature than aniline and containing organic impurities and aniline.

Abstract: The invention relates to a method for recovering raw materials from polyurethane products, comprising the steps of (A) providing a polyurethane product that is based on an isocyanate component and a polyol component; (B) reacting the polyurethane product with a (mono- or polyvalent) alcohol in the presence of a catalyst, thereby obtaining a first product mixture; (C) obtaining the polyols from the first product mixture, comprising (C.I) mixing, without prior removal of any water that might be contained in the first product mixture, the first product mixture obtained in step (B) with an organic solvent that is not completely miscible with the alcohol used in step (B), and phase separation into a first alcohol phase and a first solvent phase; (C.II) processing the first solvent phase and obtaining polyols; and preferably (D) obtaining amines.