Abstract: A process for the production of furnace blacks of variable carbon black structure according to the customary furnace black technology is disclosed, whereby a low ratio is adjusted between combustion air and carbon black raw material for achieving high yields and large raw material through-puts, and wherein for lowering of the carbon black structure the carbon black produced is removed entirely or partly from the exhaust gases and the residual gas thus obtained is completely or partially recycled to the combustion chamber of the reactor.

Abstract: There is prepared a homogeneous mixture of 95 to 30% carbon black and 5 to 70% resorcinol. The resorcinol preferably either has an average particle size of 0.01 to 0.4 mm or is broken down to that size. The product is employed in rubber mixture to improve the adhesion of rubber vulcanizates to metal, textile fibers, glass fibers, or their structures.

Abstract: Carbon black is produced in a flow reaction by spraying a hydrocarbon containing liquid feedstock with the aid of a propellant gas into a stream of hot reaction gases produced by burning a fuel, the feedstock-propellant gas-jet enters the reaction zone with a spraying angle that is greater than the spreading angle of a free jet. There is also described an apparatus for carrying out the process which comprises a binary injector supporting an atomizing nozzle whose head has several channels which are adjusted from zero degrees to different angles to the longitudinal axis of the nozzle.

Abstract: The invention relates to a process for after-oxidation of carbon black powder with oxidants which are gaseous or are dispersed in the gas phase. A closed vertical cylinder is provided at its top with a carbon black input opening and a vent duct and at its bottom with feed ducts for oxidant or flushing air. A stirrer shaft runs along its central axis; stirrer arms are fitted to it at intervals over the height of the cylinder and offset with respect to each other, and sweep over the whole cylinder cross section in predominantly horizontal setting.

Abstract: There are produced mixed granulates of carbon black-light filler using carbon black and an aqueous suspension of a light filler, e.g. precipitated in a pin containing screw granulator.

Abstract: There is prepared a homogeneous mixture of 95 to 30% carbon black and 5 to 70% resorcinol. The resorcinol preferably either has an average particle size of 0.10 to 0.4 0.40 mm or is broken down to that size. The product is employed in rubber mixture to improve the adhesion of rubber vulcanizates to metal, textile fibers, glass fibers, or their structures.

Abstract: Beaded carbon black is disclosed with a water content of 30 to 80% by weight which are used for coloring of paper and concrete. The product has the advantage of dust-free handling and a higher jet black color compared to conventional carbon black powder.

Abstract: The invention relates to a silane/filler preparation, consisting essentially of from 5 to 70% by weight of at least one silane corresponding to the following formulaX.sub.p --C.sub.m H.sub.2m+1-p SiR.sub.n.sup.1 (OR).sub.3-n, Iin whichX=a halogen atom, preferably chlorine or bromine,p=1 or 2,m=1 to 5,R.sup.1 =a C.sub.1 -C.sub.5 alkyl group, C.sub.5 -C.sub.8 -cycloalkyl group or a phenyl group,R=a C.sub.1 -C.sub.5 -alkyl group, a C.sub.5 -C.sub.8 -cycloalkyl group, a phenyl group, a benzyl group or a C.sub.1 -C.sub.5 -alkoxy-C.sub.1 -C.sub.5 -alkyl group, andn=0, 1 or 2,and--respectively balanced to 100%--from 95 to 30% by weight of at lesat one inorganic filler, preferably carbon black and silicate fillers as, e.g., silica.

Abstract: There is set forth a process for the production of furnace black comprising spraying an oily carbon black forming material into a stream of hot combustion gases produced by reaction of fuel with reaction air, chilling and recovery of the carbon black by separation from the waste gases during which the reaction air is heated by means of waste gases. The waste gases are burned in a combustion apparatus by means of secondary air in order to heat the reaction air to a temperature between 600.degree. and 1,250.degree. C., preferably between 800.degree. and 1100.degree. C. and the thus heated reaction air is then introduced into the process.

Abstract: High quality carbon black forming material convertible with high yield into furnace black having a high abrasion resistance in rubber is prepared by dissolving pitch with conventional thinly liquid carbon black feed stock and mechanically separating suspended matter from the mixture obtained.

Abstract: A process for controlling the ratio:DBP NUMBER/DBP NUMBER AFTER PRESSINGfor carbon black pellets comprising mixing the carbon black with water and forming the carbon black and water mixture into pellets by means of a wet pelletizing machine, selectively controlling the rotating shaft speed of the pelletizing machine and the amount of water and the location of water injected into the pelletizing machine; and subsequently drying the wet carbon black.

Abstract: Furnace black is produced by a thermal splitting of a carbon black forming oil by oxidation of a fuel in a combustion chamber with production of a stream of hot combustion gases, introduction of this stream in a constricted mixing chamber narrower than the fuel chamber, inserting the carbon black forming material into the mixing chamber and conveying the mixture into an enlarged reaction chamber compared to the mixing chamber as well as quenching the carbon black containing reaction mixture, the stream of hot combustion gases being introduced into the mixing chamber via an annular channel or introducing the stream into an annular channel shaped mixing chamber and spraying in the carbon black forming material into the mixing chamber or ring conduit from within outwardly.

Abstract: High quality carbon black forming material convertible with high yield into furnace black having a high abrasion resistance in rubber is prepared by dissolving pitch with conventional thinly liquid carbon black feed stock and mechanically separating suspended matter from the mixture obtained.

Abstract: There is prepared carbon black having the following properties:______________________________________ Primary particle size nm 35-120 BET surface area m.sup.2 /g 10-50 Iodine adsorption mg/g 10-55 Volatile/content % 2-8 pH value 3-6 Acidity ml n/10 acid 2-16 per 100 grams of carbon black DBP number ml/100 grams 40-140 ______________________________________The carbon black is useful in producing gray lacquers, multi-colored lacquers and in making low viscosity and storage stable preliminary pastes suitable for use in lacquers.

Abstract: There is provided a carbon black concentrate of the following composition:______________________________________ Carbon Black 10 to 50 weight % Plasticizer 5 to 30 weightt % Nitrocellulose Compatible Alkyd Resin 0 to 30 weight % Nitrocellulose Staple Fibers 30 to 80 weight % Dispersing Agent Consisting of Metal Oleates or Metal Octoates 0.5 to 2.5 weight % ______________________________________The concentrate is useful as a pigmenting agent, e.g., for lacquers and printing inks.

Abstract: Carbon black low in coke and grit is produced at a higher hourly rate and higher yield per unit of oil employed in a furnace black reactor using a burner-injector combination for the production of heat energy and for the injection of very fine drops of carbon forming material (feed/stock) by a process which uses a reactor with a restriction mixing the liquid carbon black forming material supplied through an inner tube of the burner-injector combination with a gaseous atomizing medium supplied from a jacket tube surrounding this inner tube, the jacket tube being conically tapered before an exit nozzle, said mixing occurring just before the exit nozzle, the outermost fuel gas jacket being so provided with relatively few gas openings that the fuel gas pressure at the burner amounts to over 1.5 atmospheres absolute and the fuel gas exit speed is over 320 meters per second.

Abstract: Furnace black is produced by a thermal splitting of a carbon black forming oil by oxidation of a fuel in a combustion chamber with production of a stream of hot combustion gases, introduction of this stream in a constricted mixing chamber narrower than the fuel chamber, inserting the carbon black forming material into the mixing chamber and conveying the mixture into an enlarged reaction chamber compared to the mixing chamber as well as quenching the carbon black containing reaction mixture, the stream of hot combustion gases being introduced into the mixing chamber via an annular channel or introducing the stream into an annular channel shaped mixing chamber and spraying in the carbon black forming material into the mixing chamber or ring conduit from within outwardly.

Abstract: There are prepared black pigment containing UV-drying printing inks in which there is employed for the black pigmentation a carbon black having the following physical and chemical properties:______________________________________ BET surface area m.sup.2 /g 20-50 Particle diameter nm 30-80 DBP adsorption ml/100g 30-100 Volatile constituents % 3-10 pH 3-6 ______________________________________The carbon black is produced by post oxidation of a coarse particled furnace black having the properties. ______________________________________ BET surface area m.sup.

Abstract: High quality carbon black forming material convertible with high yield into furnace black having a high abrasion resistance in rubber is prepared by dissolving pitch with conventional thinly liquid carbon black feed stock and mechanically separating suspended matter from the mixture obtained.

Abstract: A granulate organosilane preparation is made consisting essentially of (a) 30 to 60 weight percent of at least one organosilane of the formula ##STR1## where R.sup.1 is an alkyl group with 1 to 3 carbon atoms, R.sup.2 is an alkyl or alkoxy group with 1 to 3 carbon atoms, R is an alkylene group with 1 to 5 carbon atoms and x has a value from 2.0 to 6.0, and (b) 70 to 40 weight percent of carbon black.