Abstract: The invention relates to mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer, which are distinguished by a good low-temperature strength and stress cracking resistance and good mould release properties.

Abstract: The present invention relates to the use of special monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates, and to the polycarbonates and polyester carbonates obtainable according to the invention.

Abstract: The invention relates to polycarbonates (PC) terminated by allylphenols, preferably eugenol, and subsequently grafted with maleic anhydride (MA) in the melt, to their use as blending partners for polyamides (PA) and to the polycarbonate/polyamide blends.

Abstract: The present invention provides telechelic polyisobutylenes having aspartic acid ester terminal groups, the production thereof and the use thereof as modifiers preferably for thermoplastic aromatic polycarbonates, and the mixing thereof with reaction-less polyisobutylenes.

Abstract: The invention relates to the type of device for measuring a mass flow in a harvester, where the flow is deflected at the outlet of an elevator (E) at a conveyor shaft wall (G) to form a stratified homogeneous flow and the flow is continuously measured as a function of the fill level by a capacitor (MC). The capacitor has a first capacitor plate (MC1) at a mass flow front side and a second capacitor plate (MC2) at a distance from the mass flow. The first capacitor plate is bordered and enclosed by a first protective electrode (R1) held at the same potential as the first capacitor plate by an impedance transformer. The second capacitor plate includes a portion of the conveyor shaft wall located opposite the first capacitor plate (MC1) and by lateral areas of the conveyor shaft wall.

Abstract: The invention relates to the use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and polyester carbonates and to the polycarbonates and polyester carbonates obtainable in accordance with the invention.

Abstract: The invention relates to blends of polycarbonates, branched, phenolic hydroxy functional dimeric fatty acid polyesters and at least one component selected from polyisobutylene, silicones and mineral oils.

Abstract: The invention relates to new polyesters of dimer fatty acid and dimer fatty diol each containing 36 or 44 carbon atoms, to their production, to their use for the production of polyester carbonates and to the new polyester carbonates.

Abstract: A coating-removing solution for photo-cross-linked and thermally cross-linked photoresist masks and solder resist masks cross-linked by exposure to light and heat and which solution contains a diglycol monoalkyl ether, a glycol monoalkyl ether, an alkali hydroxide, water, and a water-soluble fluoride.

Abstract: The present invention provides polycarbonates with aliphatic ketocarboxyl end groups, optionally mixed with known aromatic polycarbonates, and a process for their preparation, the chain terminators used being those of formula (I): ##STR1## The present invention also provides mixtures of the polycarbonates or polycarbonate mixtures with reactionless polyisobutylenes.

Abstract: Described is a process for the patterned metallisation of structured printed circuit boards in which the fully structured printed circuit board is covered with a solder stop mask, with the solder contact locations being left open, the solder stop mask is heated under such conditions that complete hardening does not yet occur and the copper surface of the printed circuit board is practically not oxidized, metal is deposited out of an aqueous bath at the exposed solder contact locations and after the metal deposit operation the mask is heated sufficiently long to a sufficiently high temperature that the mask is completely hardened throughout. The incomplete pre-hardening step prevents the solution infiltrating under the mask in the metallisation operation and thereby loosening the adhesion thereof.

Abstract: The invention relates to the use of nucleus-brominated phthalic acid derivatives, optionally in combination with polyalkylene oxides corresponding to formula (V) ##STR1## in which R is H, C.sub.1-6 alkyl, tetrahydropyranyl or a silyl group,R' is H or C.sub.1-6 alkyl andx is an integer of 1 to 100,for stabilizing thermoplastic polycarbonates against the effect of .gamma.-rays.

Abstract: The present invention relates to thermoplastic foams in which .beta.-ketocarboxylic acids, .beta.-ketocarboxylic acid esters or tert.-butyl esters of organic acids are used as the foaming agents.

Abstract: The present invention provides blends of polycarbonates and triphenylphosphane sulphonates and optionally fluorinated polyolefins and/or further customary additives, together with a process for the production of the blends according to the invention.

Abstract: Flame-resistant polycarbonate molding compositions containing halogen-free sulphonic acid salts of aromatic aldehydes or acetals of these aldehydes in quantities of about 0.005 to 10% relative to the total weight of the composition are disclosed. The compositions optionally further containing inorganic sulphates, exhibit flame retardance and little tendency to dripping in comparison to prior art compositions.

Abstract: A measuring device with a measuring capacitor (C1), through which a bulk flow (KS) is conducted in the form of a layered dielectric. The capacitance measurement signal of the measuring capacitor (C1) is supplied via a signal evaluation circuit (M1) and an analog-digital converter (ADU) to an evaluation processor (MP) and there is calculated together with a velocity signal (Sv) to form a bulk flow value, which is supplied to a display (A). A reference capacitance signal is obtained at a filled second measuring capacitor (C2). The device is suitable in connection with harvesters.

Abstract: An apparatus for reprocessing special waste of photocrosslinkable scrap material is composed of a housing equipped with a feed hopper, one or more UV emitters arranged in the housing to irradiate the scrap material, and a chopper arranged in the housing to comminute the scrap material by chopping. The apparatus is usefully employed in a method for reprocessing photocrosslinkable scrap material.

Abstract: The invention relates to use of salts of sulphonic acids, phosphonic acids and/or carboxylic acids in combination with halogenated phthalimides for additional processing of glass fibre-containing polycarbonate moulded members.

Abstract: A process for producing foamed articles containing thermoplastic aromatic polycarbonates is disclosed. Accordingly, thermoplastic aromatic polycarbonates are mixed with about 0.01 to 10% by weight of Al.sub.2 O.sub.3 (H.sub.2 O).sub.3 and the mixture is either extruded in an extruder at temperatures from 220.degree. C. to 320.degree. C. without application of a vacuum to produce foamed molded articles or it is injection molded in injection molding machines without application of vacuum at temperatures from 290.degree. C. to 330.degree. C. to produce molded foam articles.

Abstract: A method of foaming thermoplastic aromatic polycarbonates is disclosed. Accordingly, a polycarbonate resin is mixed with 0.01 to 10%, the percent being relative to the total weight of polycarbonate resin and polysaccharide, of a particular polysaccharide and the mixture then processed thermoplastically without the application of negative pressure in an extruder, at temperatures of 180.degree. C. to 320.degree. C., or in an injection molding machine, at temperatures of 190.degree. C. to 330.degree. C., to obtain foamed molded articles.