RECYCLING VON ABFÄLLEN EXPANDIERTER POLYMERSCHÄUME ZU ERNEUT EXPANDIERBAREN PRODUKTEN

The invention relates to a method for the production of re-expandable polystyrene by material recycling of waste expanded polystyrenes. The expanded polystyrene waste is dissolved in a solvent, selected from di-(lower alkylene)glycol di-(lower alkyl) ethers, where lower alkyl = straight- or branched...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WOLZ, GERD, MAEURER, ANDREAS, SCHLUMMER, MARTIN
Format:	Patent
Sprache:	ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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