Abstract: Described are reflective, titanium dioxide-containing polycarbonate compositions to which 0.001 wt. % to 0.25 wt. % glass flakes including a titanium dioxide coating are added to improve reflectance values, said glass flakes usually being used in larger quantities as effect pigments. Said compositions make it possible to produce brilliant white molded parts.

Abstract: What are described are titanium dioxide-containing thermoplastic compositions based on polycarbonate having high reflectance, to which, for further improving the reflectance, are added at least one graft polymer of (C1 to C8)-alkyl (meth)acrylate on a graft base from the group of acrylate rubbers, in particular one with core/shell structure based on butyl acrylate.

Abstract: The present disclosure is direct to titanium dioxide-containing, polycarbonate-based thermoplastic compositions that contain epoxidized triacylglycerol. These compositions are suitable for reflectors. The compositions described in the present disclosure have an improved reflectance and a lower yellowness index as compared to reference compositions that do not contain epoxidized triacylglycerol. The epoxidized triacylglycerol may be in the form of epoxidized soybean oil.

Abstract: The present disclosure is directed to titanium dioxide-containing, polycarbonate-based thermoplastic compositions that contain metal oxide-containing mica. The metal oxide-containing mica may be provided in very low amounts. The titanium dioxide-containing polycarbonate-based thermoplastic compositions are suitable for reflectors. The addition of mica results in improved reflectance values as compared to the same mixtures without mica component.

Abstract: Polycarbonate-based compositions containing polyether carbonate polyol are described. The compositions have an elevated transmittance in the VIS range as a result of the additive and further advantageous properties, for instance improved demolding characteristics. Even small amounts have a significant impact.

Abstract: The invention relates to carbon fiber-containing polycarbonate compositions, the flowability of which is significantly improved by adding epoxidized triacylglycerols, for example as a constituent of epoxidized soy bean oil. In addition to the very high flowability, the compositions according to the invention have a high rigidity.

Abstract: The present invention relates to a composite material comprising one or more fibre layers composed of a fibre material and an aromatic polycarbonate-based matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these fibre composite materials, to multilayer composite materials comprising several layers of fibre composite material, and to the use of the composite materials for production of components or housing components or housings, and to the components, housing components or housings themselves.

Abstract: The present invention relates to a composite material comprising one or more fibre layers composed of a fibre material and an aromatic polycarbonate-based matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these fibre composite materials, to multilayer composite materials comprising several layers of fibre composite material, and to the use of the composite materials for production of components or housing components or housings, and to the components, housing components or housings themselves.

Abstract: Multilayer composite material comprising specific polycarbonate compositions as matrix material The present invention relates to a composite material comprising one or more fibre layers composed of a fibre material and an aromatic polycarbonate-based matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these fibre composite materials, to multilayer composite materials comprising several layers of fibre composite material, and to the use of the composite materials for production of components or housing components or housings, and to the components, housing components or housings themselves.

Abstract: The present invention relates to thermally conductive, graphite-containing polycarbonate compositions having high flowability and mouldings for the electricals and electronics industries for heat management, in particular for complex cooling plates, heat sinks and housings in lighting technology. The compositions according to the invention are in particular also suitable for thin wall designs. The compositions contain at least one saturated or unsaturated monocarboxylic acid having a chain length of 6 to 30 carbon atoms and at least one ester of this monocarboxylic acid based on glycerol and/or diglycerol.

Abstract: The present invention relates to fibre composite materials composed of a fibre material and an aromatic polycarbonate-based matrix material and to multilayer composite materials comprising one or more such layers of fibre composite material. The fibre composite material has a pleasing look with stripes that seem naturally formed on a white or coloured background. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing the fibre composite materials and multilayer composite materials and to components, housing components or housings, especially for laptop, notebook or ultrabook covers, comprising such composite materials themselves.

Abstract: The present invention relates to thermally conductive, graphite-containing polycarbonate compositions having high flowability and mouldings for the electricals and electronics industries for heat management, in particular for complex cooling plates, heat sinks and housings in lighting technology. The compositions according to the invention are in particular also suitable for thin wall designs. The compositions contain at least one saturated or unsaturated monocarboxylic acid having a chain length of 6 to 30 carbon atoms and at least one ester of this monocarboxylic acid based on glycerol and/or diglycerol.

Abstract: The invention relates to glass-fibre- and/or carbon-fibre-reinforced polycarbonate compositions having improved flowability coupled with good heat resistance and to articles of manufacture produced from said compositions, in particular those from the thin wall applications sector, for example housing parts for ultrabooks or smartphones. The compositions comprise at least one saturated or unsaturated monocarboxylic acid having a chain length of 6 to 30 carbon atoms and at least one ester of these monocarboxylic acids based on glycerol and/or diglycerol.

Abstract: The present invention relates to a composite material comprising one or more fibre layers composed of a fibre material and an aromatic polycarbonate-based matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these fibre composite materials, to multilayer composite materials comprising several layers of fibre composite material, and to the use of the composite materials for production of components or housing components or housings, and to the components, housing components or housings themselves.

Abstract: The invention relates to compositions containing polycarbonate and carboxylic acid esters of isosorbide, to the use of the compositions for the production of blends or shaped parts and to molded parts obtained therefrom. The compositions have improved rheological and optical properties and an improved demolding and processing behavior in the injection-molding process.

Abstract: The invention relates to polycarbonate compositions having high flowability and good thermal properties, comprising specific glycidyl ether compounds and typically at least one additive from the group of the thermal stabilizers, UV stabilizers and/or demoulding agents, and to mouldings made from these compositions. The polycarbonate compositions have high flowability and good thermal properties. The invention also relates to the improvement in the flowability of polycarbonate melts.

Abstract: The present invention relates to the use of diglycerol esters to enhance the flowability of graphite-containing, thermally conductive polycarbonate compositions. Melt viscosities and melt volume flow rates are improved.

Abstract: The invention relates to the use of a composition A based on aromatic polycarbonate, containing a) aromatic polycarbonate, wherein the polycarbonate has an average weight-average molecular weight Mw of 22000 g/mol to 27000 g/mol, determined by means of gel permeation chromatography according to DIN 55672-1:2007-08, and calibrated in relation to bisphenol A-polycarbonate standards using dichloromethane as an eluent, and wherein the polycarbonate has 0 to max. 19 mol % carbonate units of formula (1) where R1, R2, R3, R4, R5, R6, R7 and R8 independently represent H or C1- to C6-alkyl, and b) 0 to less than 0.2 wt.

Abstract: The present invention relates to a composite material comprising one or more fibre layers composed of a fibre material and an aromatic polycarbonate-based matrix material. The fibre layer(s) is/are embedded in the matrix material. The present invention further relates to a process for producing these fibre composite materials, to multilayer composite materials comprising several layers of fibre composite material, and to the use of the composite materials for production of components or housing components or housings, and to the components, housing components or housings themselves.

Abstract: The invention relates to copolycarbonate compositions having cyclic and linear oligomers and improved optical properties, to their use for producing blends and moldings and to moldings obtained therewith. The copolycarbonate compositions comprise (A) 5% to 99% by weight, based on the total weight of the copolycarbonate composition, of a copolycarbonate containing one or more monomer units of the formula (1) wherein R1 is hydrogen or C1-C4-alkyl, R2 is C1-C4-alkyl, and n is 0, 1, 2 or 3 and (B) 95% to 1% by weight, based on the total weight of the copolycarbonate composition, of a (co)polycarbonate containing one or more monomer units of the general formula (2) wherein R3 is H or linear or branched C1-C10 alkyl and R4 is linear or branched C1-C10 alkyl.