Norner compounding centre carry out compounding trials, material and recipe development

Compounding

Norner compounding centre carry out compounding trials, material and recipe development. The centre is equipped with both small and medium scale twin screw machines and our team has wide experience in plastics compounding and modifications. 

 

The projects and activities include:

  • Development and evaluation of materials like polymer blends, additives formulations, modifiers, fillers and nanocomposites
  • Compounds for automotive and appliances industry
  • Pilot scale production of compounds for customer trials
  • Evaluation of process stability, filter blocking, dispersion and homogenisation
  • Small scale extrusion

Our team has wide experience and competence in plastics compounding and modifications.

 

Prism 16

  • Twin Screw
  • Co-rotating
  • Intermeshing
  • 1-2 kg/h
  • L/D 25
  • 2 set screws
  • Rpm 0 – 500
  • 1 Feeder
  • String pelletzing
  • Atm.Ventilation
  • Reextrusion
  • Polymers <300°C, not PVC

Prism 24

  • Twin Screw
  • Co-rotating
  • Intermeshing
  • 1-12 kg/h
  • L/D 28
  • Rpm 0 – 500
  • 2 Feeders
  • String pelletizing
  • Atm. Ventilation
  • Side feeder
  • Liq. Inj.
  • Reextrusion
  • Polymers <300°C, not PVC

ZSK 26 Mcc

  • Twin Screw
  • Co- rotating
  • Intermeshing
  • 10-80 kg/h
  • L/D 40
  • Rpm 120 – 1800
  • 3 + 2 Feeders
  • String pelletizing
  •  2- 3 Atm. Ventilation  (degassing)
  • Side feeder
  • Ling.inj.
  • Reextrusion
  • Polymers <300°C, not PVC

Recycling pilots

Compounding and pelletization

Processing trials on Coperion ZSK26 compounding extruder.

Set up:

  • Twin screw, co-rotating, intermesh
  • 10-80 kg/h
  • L/D 40
  • Rpm 120 – 1800
  • 3 + 2 Feeders, one side feeder
  • String pelletizing

Added features

  • N²,  Ventilation  (degassing)
  • Vacuum unit
  • Liquid feeding

Nordson Melt filtration

  • Continuous melt filtration
  • Mesh flexibility

 

Performance testing

Polymer characterization

  • Volatile components
  • Odour
  • Head space, unknown components
  • Molecular characterization
  • Gels & polutions
  • Visual inspection

Application processing

  • Injection moulding
  • C&C, Thin Wall, General injection moulding
  • Film extrusion
  • Blown film, Cast film, Sheet
  • Bottles HIC (Household Industrial Chemicals)
  • Thermoforming
  • Appliances, Packaging

Application performance tests

  • Std tests
  • End-use tests (e.g. cap hinge performance)

Processing trials and results

Processing results

  • Torque
  • Pressure
  • Energy
  • Melt temperature
  • Output
  • Flow characteristics

Process parameter optimisation

  • Machine pressure, temperature and speed requirements
  • Processability evaluation
  • Material evaluations
  • Evaluation of recycled material
  • Quality improvement
  • Tests at industrial relevant conditions
  • Raw material quality and consistency

Test volume production

  • Compounded PCW
  • Modified PCW/PCR
Compounding extruder equipment - Norner
  • Twin Screw
  • Co-rotating
  • Intermeshing
  • 1-2 kg/h
  • L/D 25
  • 2 set screws
  • Rpm 0 – 500
  • 1 Feeder
  • String pelletzing
  • Atm.Ventilation
  • Reextrusion
  • Polymers <300°C, not PVC
  • Twin Screw
  • Co-rotating
  • Intermeshing
  • 1-12 kg/h
  • L/D 28
  • Rpm 0 – 500
  • 2 Feeders
  • String pelletizing
  • Atm. Ventilation
  • Side feeder
  • Liq. Inj.
  • Reextrusion
  • Polymers <300°C, not PVC

Set up

  • Twin Screw
  • Co- rotating
  • Intermeshing
  • 10-80 kg/h
  • L/D 40
  • Rpm 120 – 1800
  • 3 + 2 Feeders
  • String pelletizing
  •  2- 3 Atm. Ventilation  (degassing)
  • Side feeder
  • Ling.inj.
  • Reextrusion
  • Polymers <300°C, not PVC

Added feature

  • N², Ventilation (degassing)
  • Vacuum unit
  • Liquid feeding

Nordson melt filtration

  • Continuous melt filtration
  • Mesh flexibility

Processing trials/results 

Processing results

  • Torque
  • Pressure
  • Energy
  • Melt temperature
  • Output
  • Flow characteristics

Process parameter optimisation

  • Machine pressure, temperature and speed requirements.
  • Processability evaluation
  • Material evaluations
  • Evaluation of recycled material
  • Quality improvement
  • Tests at industrial relevant conditions
  • Raw material quality and consistency

Test volume production

  • Compounded PCW
  • Modified PCW/PCR
  • Blending
  • Grindig
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