METHOD OF PRODUCING LOW-DUST GRANULES FROM POLYMER ADDITIVES

The invention relates to a technically advantageous method of producing low-dust granules of polymer additives or polymer additive mixtures. The granule-forming polymer additives are mixed together, the mixture is converted into a workable mass and pressed through an orifice. The pre-shaped strand-l...

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Bibliographische Detailangaben
Hauptverfasser:	WALDNER, ROLF, GFROERER, THOMAS, GEORG, BREITENSTEIN, BENJAMIN, LUTZ, PIERRE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a technically advantageous method of producing low-dust granules of polymer additives or polymer additive mixtures. The granule-forming polymer additives are mixed together, the mixture is converted into a workable mass and pressed through an orifice. The pre-shaped strand-like extruded mass is cooled and, while still in a workable state, formed into granules by rolling, impressing, cooling and comminuting. L'invention concerne un procédé techniquement avantageux de production de granules quasi exempts de poussière à partir d'additifs polymères ou de mélanges d'additifs polymères. Ce procédé consiste à mélanger les additifs polymères, à transformer le mélange obtenu en une masse malléable et à comprimer la masse obtenue à travers un orifice. La masse extrudée, en forme de fil préformé, est refroidie et, alors qu'elle est encore malléable, transformée en granules par laminage, impression, refroidissement et fragmentation.