VERFAHREN ZUR AUFBEREITUNG VON GEBRAUCHTEN GEGENSTAENDEN AUS POLYOLEFIN ZU WIEDERVERWENDBAREM ROHSTOFF

摘要

Used polyethylene films are shredded and subjected to frictional surface cleaning and simultaneously, without dissolving the plastic, to extraction in a solvent bath containing an organic solvent with intensive movement, for example by mechanical agitation. The extraction dissolves out added ingredients of the films and PE waxes from the shreds as well as, specifically by the frictional surface cleaning, removing printing inks.