Rheocord 300p + Mixer/Extruder Sensor = PolyLab System Mixer sensors Rheocord 300p Single screw extruder sensors Twin screw extruder sensor Rotors Feeding systems Screws Dies Postex

PolyLab System

PolyLab System Laboratory Mixers :

Laboratory Mixers measuring principle 3 2 Shearing of a test sample in a heated mixing chamber with counter rotating rotors Test results: Torque Melt temperature

Mixer - Rheogram Temperature Torque Energy

Rotors for Rheomix mixers Banbury rotors Roller rotors Cam rotors Sigma rotors

Mixer Test

Influence of the mixer load on PVC fusion Application Influence of the mixer load on PVC fusion m: 60 g

Influence of the mixer load on PVC fusion Application Influence of the mixer load on PVC fusion m: 66 g

Change from Mixer to Extruder

Single Screw Extruders : PolyLab System Single Screw Extruders :

Rheomex single screw extruder collars for heating and cooling Feeding cooling Sensor ports (2 standard, others optional) Screw back-pressure sensor (optional)

Rheomex Application Extruders are generally used to: transport material plasticize compress homogenize compound vent chemical reaction building up pressure

Rheomex Application Measuring of process variables: torque melt temperature melt pressure mass flow Optimizing of process parameters: extruder speed temperature profile pressure screw design

Screws for single screw extruders Conical Core Screw Standard Metering Screw Short Metering Screw Venting Screw Mixing Screw

Pressure built-up in a single screw extruder barrel - length [L/D] pressure P2 P3 P4 P1 P5 11 14,5 20,5 24,5

PolyLab System Twin Screw Extruders :

Twin-screw extruders CTW100 and PTW25

Feeding of material into twin-screw extruders Co-rotating Counter-rotating

Rheomex CTW100p

Rheomex CTW100p

Screw geometries for CTW100p extruder Venting screw Intensive mixing screw Standard screw

Rheomex CTW100p

Parallel twin-screw extruder Rheomex PTW Processing tasks - 1 Plasticising Mixing Homogenising Cooking Gelling Degassing of momomers, oligomers, solvents etc. Concentrating of polymer solutions Modifying by incorporation of plasticizers, cross-linking agents, flame retardants, UV-stabilisers, etc.

Parallel twin-screw extruder Rheomex PTW Processing tasks - 2 Incorporation of fillers and reinforcing agents such as: wood flour, talc, glass fibres etc. Alloying of polymers Polycondensation, Polyaddition and Polymerization of polymers Chemical reactions Dispersing of pigments and additives Breaking down of high molecular particles

Rheomex PTW16p

Hinged barrel for easy handling Rheomex PTW16p Hinged barrel for easy handling

flexible screw configuration Rheomex PTW16p flexible screw configuration

Rheomex PTW16p Applications: Compounding + Rheology Degassing of i.e. solvents etc. Modifying by incorporation of plasticizers, cross-linking agents, flame retardants, UV-stabilisers, etc. Incorporation of fillers and reinforcing agents such as: wood flour, talc, glass fibres etc. Breaking down of high molecular particles

Rheomex PTW16p Technical Specifications Screws: Segmented, with slip-on elements, allowing variable configuration Screw diameter: 16 mm Corotating, intermeshing screws Screw shafts: Design: hexagonal Material: Heat treated, abrasion resistant

Rheomex PTW16p Screw elements:

Rheomex PTW24p

Rheomex PTW24p

Rheomex PTW24p – Advantages: Extruder barrel: segmented and hinged Segmented screw Sidefeeding

Rheomex PTW25

Rheomex PTW25 with PolyLab System Master Slave Heat- exchanger PolyLab System Rheomex PTW25

Parallel twin-screw extruder Rheomex PTW25 Screw segments 1/3 Conveying elements:

Parallel twin-screw extruder Rheomex PTW25

557- 5001 Rheomex PTW 25 x 20D Barrel segments: Feeding barrel 4D Venting Barrel segments: Feeding barrel 4D Closed barrel 6D Open barrel 6D Measuring barrel 4D Application: Melting of polymers Venting

557- 5031 Rheomex PTW 25 x 32D Production of Masterbatch Side-feeding (pigments) Venting (vacuum) Venting (atmosphere) Feeding (polymer) Barrel segments: Feeding barrel 4D Closed barrel 6D Combi barrel 4D Closed barrel 4D Open barrel 6D Open barrel 4D Measuring barrel 4D

Screw configuration Rheomex PTW25/38 For typical food extrusion 25/1/2 37.5/1/2 ZB-37.5 E-KB-25/LI E-KB-37.5/LI Screwtip Dry-Blend Liquids Steam Feeding Mixing/Hydration Cooking Venting Cooling

Masterbatch production Vacuum Premix Atmosphere Parallel twin-screw Water bath Pelletizer Notes:

PolyLab System Feeding systems :

interchangeable feeding tube Metering Feeder Motor with gearbox Standard Hopper Closure for Cleaning glass window interchangeable feeding tube Metering screw Extruder Principle sketch:

Metering Feeder

Metering Feeder Application: Accurate dosing of powder Accurate dosing of pellets Starved feeding to enable venting Starved feeding to reduce torque Production of masterbatches Feeding of parallel twinscrew extruders

Extruder Application : PolyLab System Extruder Application :

Cast film application Instruments: Rheocord 300p Extruder (single- or twin-screw extruder) Screws Sheet & ribbon die Sheet & ribbon take-off Pressure sensor (Screen package) (OQT 512) Application: Small production of films Testing the processabillity Testing of additives Testing and optimisation of processing conditions Results: Fish-eye testing Pigment distribution Surface quality Tensile testing Weathering

Sheet and Ribbon Die Die width: 25/50/100/150 mm Die gap: adjustable (standard: 0.2-1.2 mm) fixed die gap on request Max. temperature: 360°C 1 measuring port

Sheet and Ribbon Take Off polished and temperable steel rollers rubber rollers circulator waterbath Motor adjusting the gap take-up roller

Cast film application PVC sheets: good & bad

Cast film application

Blown film application Instruments: Rheocord 300p Extruder (single- or twin-screw extruder) Screws Blown film die Cooling ring Blown film take-off Pressure sensor (Screen package) (OQT 512) Application: small production of films Testing the processability of compounds Testing of additives Testing and optimisation of processing conditions Results: Fish-eye testing Pigment distribution surface quality

557- 3175 Blown Film Die Air Ring diameter 25mm (35mm) Pin diameter 24mm (34mm) Gap width 0-0.8 mm Measuring ports 2 Max. temperature 480°C adjustable die gap

PolyLab blown-film combination PolyLab System with extruder Blown film take-off

PolyLab blown-film combination

PolyLab blown film combination With optical testing unit OQT PolyLab System with extruder Lightning Device CCD-Camera Blown film take off

Blown film take-off with built in camera system

OQT- Graphical display of defects

OQT- Graphical display of the data and defects

OQT- Graphical display of the data

Compounding Instruments: PolyLab RC300p Rheomex twin-screw extruder extruder Screw(s) Pressure sensor(s) (Screen package) Rod die (horizontal or vertical) or Multistrand die Waterbath Pelletizer Test results: Testing of the processability of polymer compounds Testing of additives Testing and optimisation of processing conditions small production of masterbatches

557- 3235 Horizontal rod die Application: Universal die for extrusion tests manufacturing of polymer strands for the production of pellets. Nozzles available from: 1mm - 6mm Two sensor ports for pressure- and temperature-measurement

557- 3150 Vertical rod die Application: Universal die for extrusion tests manufacturing of polymer strands for the production of pellets. Nozzles available from: 1mm - 6mm Two sensor ports for pressure- and temperature-measurement

557- 3180 Multistrand die Application: Universal die for extrusion tests with higher output manufacturing of polymer strands for the production of pellets. Strand diameter: 3 mm (others on request)

Compounding