US 11,931,921 B2
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
Hans-Jürgen Gnam, Memmingen (DE); Renè Gloor, Memmingen (DE); and Tamer Balikavlayan, Memmingen (DE)
Assigned to DOMO ENGINEERING PLASTICS GMBH, Premnitz (DE)
Appl. No. 16/968,868
Filed by DOMO ENGINEERING PLASTICS GMBH, Premnitz (DE)
PCT Filed Feb. 7, 2019, PCT No. PCT/EP2019/052960
§ 371(c)(1), (2) Date Aug. 10, 2020,
PCT Pub. No. WO2019/154889, PCT Pub. Date Aug. 15, 2019.
Claims priority of application No. 10 2018 102 811.3 (DE), filed on Feb. 8, 2018.
Prior Publication US 2021/0008763 A1, Jan. 14, 2021
Int. Cl. B29B 17/02 (2006.01); B29B 7/90 (2006.01); B29B 9/02 (2006.01); B29K 77/00 (2006.01); B29K 507/04 (2006.01); C08F 6/10 (2006.01); C08J 3/22 (2006.01)
CPC B29B 17/0206 (2013.01) [B29B 7/90 (2013.01); B29B 9/02 (2013.01); C08F 6/10 (2013.01); C08J 3/22 (2013.01); B29B 2017/0293 (2013.01); B29K 2023/06 (2013.01); B29K 2077/00 (2013.01); B29K 2507/04 (2013.01); C08J 2323/06 (2013.01)] 28 Claims
OG exemplary drawing
 
1. 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.