1 Wet Spinning System Composed of: • Twin Shaft Kneader-Reactor o At least 1-liter capacity o High shear mixer o Viscosities up to 20,000 Pa-s o Vacuum Pump o Heating Unit closed loop control o At least 150°C • Dope Storage, Supply and Spinning Unit o Stirrer o Mesh Filter o Gear or Piston pump Heated up to 90°C or higher Temperature Closed loop controlled Viscosity range pump and system at least 3,000 Pa·s Dope metering for spinning o 3 Spinnerets capillary dimensions and hole count TBD o Capable of both air gap and submerged spinneret o Heating jacket o Dope storage and/or feed vessel to be heat jacketed up to 90°C or higher • Coagulation Bath o Heated o At least 60°C or higher closed loop controlled o At least 1 meter of thread length • Washing o Heated at least 60°C o 3 or more baths o Heated Drying unit • Draw and Drive Rolls o At least 100 Meters per Minute o 3 or more godet rollers o Lubrication application • Fiber Winder o Traverse o At least 100 Meters per Minute o Tension control Application Process Materials • Kneader rector, spinning unit and down stream o Water o Ethanol o Dimethyl sulfoxide (DMSO) o Dimethylformamide (DMF) o N-Methylmorpholine N-oxide (NMMO) o Polyacrylonitrile (PAN) o Polyethylene glycol (PEG) o Cellulose o Lignin o Graphene o Polylactic acid (PLA) • Coagulation Bath and down stream o Water o Aqueous ammonia solution (NH4OH) o Sodium carbonate (Na2CO3) aqueous solution o Diluted aqueous solution of sulphuric acid (H2SO4) o Diluted aqueous solution of phosphoric acid (H3PO4) • Electrical Supply: o One of the following: 208-230 volts, single or 3 phase, 60Hz 480 Volt, 3 phase 60Hz
