Requiring just 20 grams of material per hour, the new Thermo Scientific Process 11 small-scale extruder is designed to meet the key challenges faced by research and development formulation scientists.
- Polymer research & development
- Expensive material incorporation
- Nano compound processing
The Thermo Scientific Process 11 twin-screw extruder includes several setup possibilities: multiple split feeding and venting ports, a die design for quick changes of the strand diameter, and eight barrel segments (length: 5 L/D) for accurate temperature profiles. We offer a complete compounding line including feeding solutions and downstream equipment such as waterbaths or variable length pelletizers.
As a workflow solution, the Thermo Scientific HAAKE MiniJet mini injection molding machine can be used to shape the compounded materials into test specimens for further testing of mechanical or optical properties.
The instrument’s segmented screw design allows adapting the processing conditions to simulate various compounding applications.
Due to the constant processing geometry within the Thermo Scientific extruder portfolio, knowledge obtained from the lab trials using the Process 11 can directly be transferred to pilot or production scale equipment. This scale-up transfer is based on the specific energy introduced into the material. Figure 1 displays the residence time distributions for trials run using a Process 11 extruder with 1 kg/h (orange) and a 16 mm diameter extruder (blue). Achieving equal specific energy levels leads to an almost perfect match for the material’s residence time within the extruder.
PRISM EUROLAB 16 XL
Extendable, modular twin-screw extruders
From sample batches of 50 g up to outputs of 10 kg/h., the bench mounted 16 mm PRISM EUROLAB XL twin-screw extruder is the heart of a complete compounding and sample preparation system. The segmented screw configuration with modular and extendable barrel design give flexibility for the full range of polymer processes. PLC control with real-time trending display and recipe storage gives reliable and repeatable results.
Bench-top Modular Twin-screw extruder
The PRISM EUROLAB 16 XL twin-screw extruder is used for research, development, quality control, and small scale production. A horizontally split barrel, of 25:1 L/D, can be changed to 40:1 with a bolt-on, “plug and play” extension. The barrel has a lift-off top half for easy access to the screws, and the screws themselves have a simple removal device for cleaning and configuration changes.
The segmented top barrel half is constructed in modules and is easy to reconfigure.
Barrel segments are available for feeding solids and liquids or for venting. The touch screen display can be configured to match the barrel and screw arrangements fitted.
Secondary feeders and vacuum pumps can form part of the system.
A rugged colour touch screen interface incorporates real-time trending as standard.
An option is available to log data on a remote computer for archiving and analysis. The controls include recipe storage to pre-set extruder parameters for repeatable process conditions. PID heater logic gives precise temperature control and saves energy. The Digital Servo drive accurately con trols speed and torque of the sealed, low maintenance, brushless, 1.25 kW motor at 500-rpm screw speed. A high-power 2.5 kW motor is available as an option with 1000-rpm screw speed. Academic customers are using PRISM EUROLAB 16 XL twin-screw extruders in research and teaching laboratories, where many different small samples can be pre pared in a short time with minimum product waste.
With a fully equipped Technology Centre for customer trials, and worldwide representation, Thermo Electron Corporation supports customers globally.
- Filter test
- Blown fi lm
Pilot-scale, modular twin-screw extruder
With sample outputs up to 50 kg/h, the PRISM TSE 24 MC floor-mounted twinscrew extruder from Thermo Electron is ideal for test sample and small-scale manufacturing. This flexible extruder is easy to operate, simple to clean, and can be configured for the most aggressive applications.
The horizontally split barrel, up to 40:1 L/D, is hinged for easy access to the screws. A simple screw removal device promotes quick and easy cleaning and configuration changes. The barrel is constructed in segmented modules that can be reconfigured to suit a variety of polymer processes. Replaceable barrel liners can be made from special materials for aggressive applications. Barrel segments are available for feeding solids and liquids or for venting. Secondary feeders and vacuum pumps can also be incorporated into the system.
Control software is programmed to recognize plug-in ancillaries. The large color touch screen interface incorporates on-screen, real-time trend display. An option is available to download data to a remote computer for archiving and analysis. The controls include recipe storage to pre-set extruder temperature profiles for repeatable process conditions. Each barrel section has independent temperature control with PID logic to enable precise processing. To assist with scale-up, the touch-screen displays heat input to each zone.
A low maintenance, brush-less 5.5 kW motor drives the screws at 500 rpm. If higher output is needed, an 11 kW drive can double the screw speed.
With fully equipped Technology Centers for customer trials and worldwide representation, Thermo Electron supports customers globally.
- Blown film
- Sheet extrusion