Abstract: The present invention relates to a multi-layer body comprising in this order, (I) a substrate layer made of a specific thermoplastic polycarbonate molding compound, (II) at least one layer made of a colorant or a colorant composition and (III) a film. The present invention also relates to a lighting unit, comprising the multi-layer body and a light source, to a method for producing the multi-layer body, and to the use of the specific thermoplastic polycarbonate molding compound as a substrate layer of a multi-layer body of this type.

Abstract: The invention relates to a vehicle utilizing a LiDAR sensor system for driver assistance systems. A composition consisting of a thermoplastic material based on polycarbonate is used here for forming the substrate layer of a cover for the sensor with respect to the surroundings. The cover has a polysiloxane-based topcoat layer comprising a combination of organically modified silane with a silica sol, the silicon dioxide having a d90 particle size of less than 0.50 micron, in order to achieve high abrasion resistance and weathering stability.

Abstract: A sensor system comprises a LiDAR unit having an emitter for laser light having a wavelength of 900 nm to 1600 nm and a receiver for light over a wavelength range which is between 800 nm and 1600 nm and at least partly below the operating wavelength of the LiDAR sensor and a cover having a substrate layer made of thermoplastic material which is arranged such that IR light emitted by the LiDAR unit and received by the LiDAR unit passes through the cover.

Abstract: The invention relates to transparent multilayer structures and glazings or glazing elements comprising said multilayer structures, which are suitable for screening an indoor space from a radiation source, comprising, in this order a) optionally a protective layer a, b) a substrate layer based on a thermoplastic polymer, especially an aromatic polycarbonate, having a luminous transmittance in the range of 380 to 780 nm of at least 0.3%, determined at a layer thickness of 4 mm according to DIN ISO 13468-2:2006 (D65, 10°), and a TDS value of less than 40%, determined according to ISO 13837:2008 at a layer thickness of 4 mm, the substrate layer containing at least 0.001 wt.

Abstract: The invention relates to a vehicle body part, comprising a multi-layer body, comprising, in this order, a) optionally a protective layer a, b) a substrate layer b based on a thermoplastic polymer, having a light transmittance of less than 1.

Abstract: The invention relates to the use of branched aliphatic hydrocarbons such as squalane in compositions based on thermoplastic polymer, in particular on polycarbonate, which are used for producing molded parts used in LED lighting units, such as covers for instance. According to the invention it has been found that the use of branched aliphatic hydrocarbons makes it possible to enhance the total transmission and the transmission in the range from 360 to 460 nm, thus making corresponding compositions particularly suitable for producing molded parts for use in combination with white LED light sources. It has additionally been shown that yellowing and haze are simultaneously reduced.

Abstract: The invention relates to a method for determining an averaged color value of a transparent bulk material, which allows an online measurement of the averaged color value in transmission. Also disclosed is a sample of a transparent bulk material having an averaged color value with small standard deviation and a molded body which comprises such a sample.

Abstract: A sensor system comprises a LiDAR unit having an emitter for laser light having a wavelength of 800 nm to 1600 nm and a receiver for light having a wavelength of 800 nm to 1600 nm and a cover arranged such that IR light emitted by the LiDAR unit and received thereby passes through the cover. The cover comprises a layer of a thermoplastic material, wherein the thermoplastic material contains a transparent thermoplastic polymer and a monoester of a monocarboxylic acid having ?15 carbon atoms and glycerol or a monoalcohol having ?15 carbon atoms. Furthermore, the thermoplastic material is free from mono-, di-, tri- and tetraesters of stearic acid and pentaerythritol.

Abstract: The invention relates to a sensor system (200, 300, 400) for a motor vehicle, comprising a sensor housing and an active or passive sensor (102) arranged therein and held on a movable sensor holder (201, 401), having a sensor technology based on radiation detection and a measurement apparatus assigned to the sensor (102) and a control apparatus, coupled to said measurement apparatus, for the sensor holder (201, 401), wherein the sensor housing has a cover (106, 301) that is signal-transmissive for the sensor (102) on its side located in the detection direction of the sensor (102), and wherein the detection range (108, 109) of the sensor (102) in the region of the signal-transmissive cover (106, 301) has a lower extent than the signal-transmissive cover (106, 301), wherein the sensor system (200, 300, 400) is characterized in that the measurement apparatus is designed such that it is suitable for checking, in the detection range of the sensor (102), whether and in which section the signal-transmissive cover (10

Abstract: A sensor system comprises a LiDAR unit, a camera for visible light and a cover through which light arrives at the LiDAR unit and the camera. The cover comprises a layer containing dyes. The light transmission of the cover in the range from 380 nm to 780 nm is 3% to 25% and in the range from 380 nm to 1100 nm is 40% or more. The attenuation of the LiDAR signal by the cover is such that at least 65% of the original signal intensity reaches the LiDAR detector. The layer containing dyes contains a composition comprising i) at least 70% by weight of a transparent thermoplastic polymer, ii) at least one green and/or red dye and iii) at least one red and/or violet dye. The product of the sum of the weight % fractions of dyes ii) and iii) and the thickness of the layer containing dyes is 0.041 to 0.12 wt % mm. Finally, the composition contains 0% to 0.0005% by weight of IR absorbers.

Abstract: The invention relates to a sensor system (200, 300) for a vehicle, in particular a motor vehicle, comprising a sensor housing and an active or passive sensor (102) arranged therein, having a sensor technology based on radiation detection and a measurement apparatus assigned to the sensor (102), wherein the sensor housing has a cover (106) that is signal-transmissive for the sensor (102) on its side located in the detection direction of the sensor (102), and wherein the detection range of the sensor (102) in the region of the signal-transmissive cover (106) has a lower extent than the signal-transmissive cover (106), wherein the sensor system (200, 300) is characterized in that the sensor (102) is assigned a movable deflection apparatus (201), coupled to a control apparatus, for deflecting the radiation of the sensor (102), wherein the measurement apparatus is designed such that it is suitable for checking, in the detection range of the sensor (102), whether and in which section the signal-transmissive cover (

Abstract: The invention relates to the use of branched aliphatic hydrocarbons such as squalane in compositions based on thermoplastic polymer, in particular on polycarbonate, which are used for producing molded parts used in LED lighting units, such as covers for instance. According to the invention it has been found that the use of branched aliphatic hydrocarbons makes it possible to enhance the total transmission and the transmission in the range from 360 to 460 nm, thus making corresponding compositions particularly suitable for producing molded parts for use in combination with white LED light sources. It has additionally been shown that yellowing and haze are simultaneously reduced.

Abstract: The invention relates to a vehicle utilizing a LiDAR sensor system for driver assistance systems. A composition consisting of a thermoplastic material based on polycarbonate is used here for forming the substrate layer of a cover for the sensor with respect to the surroundings. The cover has a specific topcoat layer in order to achieve high abrasion resistance and weathering stability.

Abstract: The present invention relates to a projection spotlight module comprising a reflector with a first focal point and a second focal point, a light source which is disposed at the first focal point of the reflector or close to the first focal point of the reflector, a lens that has its focal point in common with the second focal point of the reflector, and a stop system with color filters for reducing color fringing. Projection spotlight modules according to the invention are especially suited for illumination in the automotive sector, of utility vehicles, of rail vehicles, of two-wheeled vehicles, of ships, in particular as headlights, as theater spotlights or as architectural lightings, for instance in the illumination of facades.

Abstract: The invention relates to transparent multilayer structures and glazings or glazing elements comprising said multilayer structures, which are suitable for screening an indoor space from a radiation source, comprising, in this order a) optionally a protective layer a, b) a substrate layer based on a thermoplastic polymer, especially an aromatic polycarbonate, having a luminous transmittance in the range of 380 to 780 nm of at least 0.3%, determined at a layer thickness of 4 mm according to DIN ISO 13468-2:2006 (D65, 10°), and a TDS value of less than 40%, determined according to ISO 13837:2008 at a layer thickness of 4 mm, the substrate layer containing at least 0.001 wt.

Abstract: The invention relates to a vehicle body part, comprising a multi-layer body, comprising, in this order, a) optionally a protective layer a, b) a substrate layer b based on a thermoplastic polymer, having a light transmittance of less than 1.

Abstract: The invention relates to multilayer structures made of at least one thermoplastic material and having at least one metal layer. The invention further relates to multilayer products encompassing at least three layers comprising a substrate layer made of a substrate comprising specific copolycarbonates and at least one inorganic filler, a metal layer and one or more further layers. The invention further relates to the process for producing the said multilayer structures.

Abstract: The invention relates to a process for producing multi-layer bodies which carry at least one metal layer. The invention further relates to multi-layer products having at least three layers, comprising a substrate layer made of a substrate and containing special copolycarbonates, a metal layer and at least one additional layer.

Abstract: The present invention relates to organic UV absorbers which have two or more polymerizable acrylate or methacrylate groups in the molecule, to coating compositions comprising such UV absorbers, and also to coatings produced therefrom and to substrates coated therewith.

Abstract: The invention relates to subduedly coloured, infrared-reflective polycarbonate moulding compounds that have high melt stability in conjunction with high reflectivity in the IR range and good weathering resistance, containing at least one IR-reflective inorganic pigment and at least one stabiliser, and further relates to the production and use of the polymer compositions as per the invention and the products thereof, in particular multilayer bodies. The invention further relates to the use of the polymer compositions as per the invention for producing roofs, panels, coverings and frames, in particular for use in buildings, motor vehicles and rail vehicles.