In the laboratories and pilot plants the complete process chain for continuous coating can be represented, from material preparation via laboratory experiments through to continuous manufacture of rolled goods of variable material widths (20 – 75 cm) both from paste-like polymer systems of low viscosity and from thermoplastic polymer systems. Thus, a high degree of flexibility is given when selecting the suitable processing procedure. In the forefront of a product development both processing versions can be taken into consideration coequally.
For product-related developments upscaling to the pilot scale is part of the project. The advantages for the user on the one hand are the process parameters relevant for production gained this way, and on the other hand the model materials available as rolled goods in widths of up to 75 cm relevant for processing. For such developments preferably painting methods, depression, extrusion and calender techniques are used.
The technologies in our pilot plants are available for use by customers at any time. Our head of the plastics pilot plants will like to answer your questions concerning technological possibilities as well as concerning the test procedure.
Matthias Warnecke
Manager Plastics Technology Center
- +49 3731 366128
- matthias.warnecke@filkfreiberg.de
- send e-mail
Laboratories and Pilot Plants
Coating based on systems of low viscosity
Coating based on systems of low viscosity
Techniques
Coater process doctor blade/roll as direct or reverse process, air doctor, rubber blanket doctor
Roll coating via reverse roll coater
Gravure printing using gravure rolls
Impregnation
UV drying/curing
Lamination before and after the drying tunnel
Infiltration
Sluicing
Coagulation
Hot air drying
Radio frequency drying
IR/UV drying
Embossing/polishing
Delamination
Technological possibilities
Operating width: max. 750 mm
Speed: up to a maximum of 20 m/min
Explosion protection operations are possible
IR drying/tempering before and after the drying tunnel
Convection drying with three drying zones up to 260 °C
HF module, heating plate, IR curing units, UV drying possible
Stenter frame with insertion automatic (spiked/clip chain or carpet)
Embossing and lamination unit up to a surface temperature of 200 °C
Cooling before the winding unit,
separately driven delamination and rewind unit
Extrusion coating based on the melt
Extrusion coating based on the melt
Techniques
Extrusion
Polishing
Lamination
Technological possibilities
Gravimetric and volumetric dosings
Different dies (flat sheet dies, strand dies)
Melt pump
Water quenches
Granulator
Polishing calender
Degasification with vacuum pumps (adjustable)
Single-screw and twin-screw extruder
Laboratory compounder
Calender coating based on the melt
Calender coating based on the melt
Walzenschmelzanlage
Techniques
Plasticizing
Blending
Haul-off
Duplicating
Lamination
Coating
Polishing, embossing
Gap load measuring
Technological possibilities
Operating width: max. 650 mm
Coating support: 30 – 2,000 g/m²
Operating speed: up to 30 m/min
Melt roll temperature: up to 250 °C
Gap load indication
different lamination or embossing rolls
Hotmelt lamination
Hotmelt lamination
Techniques
Manufacture of duplex and triplex laminates using thermoplastic and reactive hotmelt adhesive systems
Dot coating
Continuous coating
Technological possibilities
combined gravure and multiple-roll application head
Operating width: max. 500 mm stepless
Temperatures: exceeding 200 °C
large processing viscosity
Mass preparation system
Mass preparation system
Techniques
Dry-blend manufacture in the heating/cooling blender for
Particle crushing in mills
Blending and homogenising in the dissolver, paste blender and 3-roll grinding mill
Mechanical foaming using a rotor/stator system
Compounding in the extruder
Granulation
Innovative printing systems
Innovative printing systems
Techniques
Thermoplastic and hydroplastic processing for
3D printed electronics
Imprinting of 3D objects
Printing of systems with high viscosity
Inkjet printing
Additive manufacture with individual and standard compounds
Technical Equipment
Piezo-clocked printing technology
High-viscosity printing head
Multiple-die inkjet printing head
Five-axis control for complex 3D printed components
Light beam sintering NIRDot
Available space: max. 189 mm x 134 mm x 230 mm
Processing up to a maximum of 300 °C
Layer thickness from 0.15 µm
Laser cutting and engraving
Laser cutting and engraving
Techniques
Cutting
Structuring/engraving
Technical Equipment
CO2 laser, 40 Watt
Working surface up to 1,016 x 711 mm
Resolution 75 to 1,200 dpi
Manual focus and autofocus
