PROCESS FOR CONTROLLING STRUCTURE AND GRAIN-SIZE OF SOOT

PROCESS FOR CONTROLLING STRUCTURE AND GRAIN-SIZE OF SOOT

A method for controlling the aggregate size and structure of the carbon blacks produced by a furnace carbon black reactor by lowering the temperature of, but not stopping pyrolysis in, the effluent (the mixture of combustion gases and feedstock in which pyrolysis is occurring), up to 426.7 DEG C and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAUDET,GREGORY T.,NL, SIFLEET,WILLIAM L.,US, PORTEOUS,WILLIAM M.,US, KAUL,DAVID J.,US, MORGAN,ALLAN C.,US
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:A method for controlling the aggregate size and structure of the carbon blacks produced by a furnace carbon black reactor by lowering the temperature of, but not stopping pyrolysis in, the effluent (the mixture of combustion gases and feedstock in which pyrolysis is occurring), up to 426.7 DEG C and preferably between 10 and 426.7 DEG C at a residence time between 0.0 second and 0.002 second downstream from the furthest downstream point of injection of feedstock.