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Processing Laboratory

Compounding/Extrusion

Extruders

  • Co-rotating twin screw compounder ZE 25 R/A (Berstorff), 35, 36, 44, 48 or 51 D, 1200 min-1; Ultra Glide
  • Twin screw compounder ZSE 27 MAXX (Leistritz), co-rotating 36 or 44 D, 1200 min-1
  • Twin screw compounder Micro 27 (Leistritz), co-rotating 24, 28, 36 or 44 D, counter rotating 24 or 28 D
  • Co-rotating twin screw compounders ZSK 26 and ZSK 40 with variable processing length (Coperion)
  • Co-rotating twin screw extruder Haake Rheomex OS PTW 16 (Thermo Scientific) 
  • KoKneader MKS 30-18/E 40-6 (Buss)
  • Counter rotating twin screw extruder ZK 35 / 21 D (Collin)
  • Single screw extruders, 19 mm / 25 D (Brabender), 30 mm / 25, 30 or 36 D (DAVO), 35 mm / 25 D (Ankele)
  • Microcompounder 15 cm³ (DSM)

Monitoring

  • NIR process spectrometer (Sentronic)
  • Raman process spectrometer Holo-Probe 785 (Kaiser Optical Systems)
  • Process microphotometer (Topas)
  • Ultrasonic process system
    (all adaptable to several extruders)
  • Specific measuring and sampling plates for positioning of analytical sensors and for simultaneous deter- mination of  states and morphologies of the melt (adaptable to ZSK 40)

Feeding equipment

  • Gravimetric feeders of different sizes for pellets and powders (K-TRON, Engelhardt)
  • Side feeders for powders and pellets (Leistritz, Coperion, Brabender)
  • Various feeders for liquids (ISCO, ProMinent)
  • Paste feeder (seepex)

Downstream equipment

  • Sheet discharge unit Vario G 168/400 :  b < 200 mm, 1 mm < d < 6 mm (Collin)
  • Pipe discharge units 20 and 25 mm diameter (DAVO)   
  • Test profile bar discharge unit, 10 mm * 4 mm (DAVO)
  • Blown film discharge unit 180/400 with blowing die d=60 mm (Collin)
  • Cast film Chill-Roll unit 136/350 with flat film die b=250 mm and coextrusion adapter for ABA-layers (Collin)
  • Screen changer K-SWE-030 (Kreyenborg)
  • Strand dies/pelletizers following cooling in water-bath (Scheer, LabTech u. a.)
  • Water- or air-cooled die-face pelletizer CKG 173 (Collin)
  • Underwater pelletizing system  LabLine 100 (BKG)
  • Cooling equipment for powder coatings (Buss)

Injection moulding

Injection moulding machines

  • Allrounder 420 C 1000-250 (Arburg), clamping force 1000 kN, dcyl = 35 mm
  • Allrounder 270 S (Arburg), clamping force 400 kN, dcyl = 12, 15, 18, 22 mm
  • Victory 330H/80V/80 combi (Engel), clamping force 800 kN, two components / two colours, horizontal dcyl = 30 mm, vertical dcyl = 22 mm, unit for unplasticized PVC
  • Ergotech 100/420-310 (Demag), clamping force 1000 kN, dcyl = 40 mm or 30 mm
  • BOY 22 A HV (Dr. Boy), clamping force 220 kN, dcyl = 18 mm
  • formicaPlast 2K (Desma), 2K micro injection moulding machine

Injection moulding tools for

  • Specimens according to CAMPUS
  • Test sheets (variable thickness)
  • Two-components tensile and peel specimens
  • Single-cavity mouldings for low amounts of material (from about 150 g)
  • Spiral test
  • Special specimens (e.g. DMA)

Further equipments and tests

  • Testing roll mill W 110 P (Collin)
  • Press with working width, 160 mm * 160 mm (Weber)
  • Kneading chambers (Thermo Scientific, Brabender)
  • Pelletizers in different sizes (e.g. Wanner)
  • Fluid mixers FM/L4 and KM 150 (Thyssen Henschel)
  • Dry air and vacuum drying equipments (Heraeus, Gerco)
  • Heating-cooling mixer combination Combimix RV/20/40/FV (Plas Mec)
  • Spray dryer (Nubilosa)

Flammability tests

  • UL 94 (Atlas)
  • Glowing wire test (H.-P. Fischer)
  • LOI-Test and FAA Micro Calorimeter (Stanton Redcroft)

Testing equipment related to processing stages

  • MVR/MFR-devices (Göttfert, Karg)
  • High-pressure capillary rheometer Rheograph 2002 (Göttfert)
  • Rotational rheometer ARES (Rheometric Scientific)
  • Moisture measuring devices (Metrohm, Brabender)
  • Phoenix microwave muffle furnace (CEM)
  • Colour measurement equipment CM-3600d (Konica Minolta)
  • Gas permeation device (Brugger)
  • Thermal conductivity measurement equipment LFA 447 NanoFlash (Netzsch)

Simulation of ageing

  • Ci 5000 Xenon Weather-Ometer (Atlas)
  • Xenotest Alpha (Atlas)
  • Oven ageing (Vötsch)

Contact

Dr.-Ing. Ines Kuehnert
Phone: +49 (0)351 4658 368
Fax:     +49 (0)351 4658 290
E-Mail