Extruder, facility comprising an extruder, and method for producing target polymer products consisting of a plastic-containing material from a solution using such an extruder
AssigneeDomo Engineering Plastics GmbH
InventorsHans-Jürgen Gnam, Renè Gloor, Tamer Balikavlayan
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Abstract
An extruder including a housing, a first material inlet for a mixture at least consisting of a solvent and a dissolved medium, a material outlet, a screw, a screw drive, and at least one distillation region between the inlet and the outlet, which allows an outflow of solvent, and a discharge line for the solvent.
Claims28
An extruder, comprising a housing, a material inlet for a mixture including solvent and dissolved medium, a material outlet, a screw rotatable in the housing, a screw drive, and two or more distillation regions between the material inlet and the material outlet which allow an outflow of the solvent, wherein:
- each of the two or more distillation regions is equipped with a respective heater;
- the two or more distillation regions are arranged in succession along the screw;
- and
- the extruder is attached to a discharge line for the solvent.
Dependencies are inferred from the claim text.