GRANULAR POWDER AGGLOMERATES, AND PROCESS FOR PREPARING SAME
Granulate-form agglomerates of pulverulent rubber chemicals having a maximum primary grain size of 500 mu m , an active substance content of at least 90% by weight and an assessment (a) in the intermixing test of at the most 1.5, (b) in the dust proportion test of at the most 10, (c) in the fine mat...
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| creator | AREND, GUNTER BARNIKEL, CLAUS-DIETER LINDNER, WOLFGANG FRAUENKRON, GUNTER, GRAD |
| description | Granulate-form agglomerates of pulverulent rubber chemicals having a maximum primary grain size of 500 mu m , an active substance content of at least 90% by weight and an assessment (a) in the intermixing test of at the most 1.5, (b) in the dust proportion test of at the most 10, (c) in the fine material proportion test of at the most 5 and (d) in the falling test of at the most 70, as well as a process for its production characterized in that the pulverulent rubber chemicals of a maximum primary grain size of 500 mu m are mixed with a moistening agent and/or a lubricant and are supplied to a double shaft screw granulator with forced conveyance, in which the spacing between the nozzle plate and the vertically cut screw ends is between 0 and 1.6 mm, whereby the compression ratio KD is between 1:6 and 1:1.5 and the ratio of nozzle channel length to nozzle channel diameter is between 1 and 6, and whereby the specific granulation work is from 2 to 40 Wh/kg, the rubber chemicals are forced axially through a nozzle perforating plate, the issuing strands are severed or are allowed to break-off and are then dried. |
| format | Patent |
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| language | eng ; ger |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | GRANULAR POWDER AGGLOMERATES, AND PROCESS FOR PREPARING SAME |
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