VERFAHREN ZUR HERSTELLUNG VON EXPANDIERBARE STYROLPOLYMERGRANULATE

The invention relates to styrole polymer granulates which are obtained by means of melt extrusion and have an almost spherical geometry and an elongated dimension (2) and shorter extensions (b and c) extending perpendicular thereto. The invention is characterized in that the shorter dimensions (b an...

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Bibliographische Detailangaben
Hauptverfasser:	RUCH, JOACHIM, HAHN, KLAUS, EHRMANN, GERD, ALLMENDINGER, MARKUS
Format:	Patent
Sprache:	ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to styrole polymer granulates which are obtained by means of melt extrusion and have an almost spherical geometry and an elongated dimension (2) and shorter extensions (b and c) extending perpendicular thereto. The invention is characterized in that the shorter dimensions (b and c) measure between 0.3 and 1.8 mm and the ratio y of the shortest dimension (c) with respect to the longest dimension (a) ranges from 0.8 to 1.