Modern machinery and highly qualified specialists form the basis for project-related cooperation with industry for the successful implementation of innovative R&D projects. Our area of expertise ranges from multiphysics simulation to the recycling of post-consumer waste.
Core competencies
- Material development / compounding
- Extrusion (multilayer films, profiles, sheets)
- Process technology, tooling technology
- Component design, tool design
- Process development
- Material testing, plastics analytics
- Rheology, material data determination
- Additive manufacturing, 3D printing (Freeformer, FDM / FFF)
- Material development / filament extrusion for 3D printers
- Flow simulation of extrusion tools
- Structural analysis of tools and components
Equipment
Compounding
Compounder
- Coperion ZSK 26 Mc with co-rotating twin screw
- screw outer diameter Da = 26mm
- Da/Di = 1.55
- process length 44 L/D
- modular, flexible process section and screw geometry design
- twin screw side feeder type ZSB 26 incl. Coperion FET
- twin screw side feeder type ZS-EG 26
Download Anlagenflyer Compoundieranlage
Peripherals
- Various gravimetric solids feeders
- Various liquid metering systems (volumetric/gravimetric)
- Vacuum compacting system
- SGS 50 strand pelletizing system
- Maag extrex EX 32-6 GU melt pump
- ECON ESK 40 Continuous two-piston screen changer
- ECON EWA 50 underwater pelletizer
- ECON EWA 50 air pelletizing
- Mini-micro pelletizing possible
Extrusion
Extruder
- 3 extruder 25L/D Ø 30mm
- 1 extruder 30L/D Ø 30mm
- 1 extruder 30L/D Ø 30mm, HT up to 450°C
- 1 extruder 30L/D Ø 20mm, HT up to 500°C
- Gravimetric metering on all extruders
- Various screw geometries
- Maximum output per extruder approx. 15kg/h
3-layer flat film line
- Wide slot die 400mm with 3-layer feedblock, gap range 0.4 - 5mm
- Wide slot die 150mm mono or 2-layer, gap range 0.1 - 2mm
- COLLIN CR 136/450 S flat film line
- Roll temperature range 25 - 150°C
- Extrusion in 0° or 90° configuration
- Edge trim
- Unwinder for feeding films
Download Anlagenflyer 3-Schicht-Flachfolienanlage
5-layer blown film line
- Stacking die with radial spiral distributor
- Blast tower height adjustable (3.4m to 4.2m) with turner bar system
- throughput range 10-30kg/h
- Nozzle diameter Ø 60mm
- Maximum film dispensing width 300mm
- Film thickness 30μm - 150μm
Download Anlagenflyer Blasfolienextrusion
Multilayer profile and pipe line
- Modular line design with up to 6 extruders
- Various own extrusion dies
- Calibration table with two vacuum pumps
- Vacuum tank, wet and dry calibration
FDM filament line
- Customized material development
- Extrusion dies for Ø1.75 and Ø2.85mm
- Heatable, multifunctional water bath
- haul-off and winder
Simulation
Mold, process and component simulation
- CFD Simulation: ANSYS CFX, ANSYS Fluent, ANSYS Polyflow
- FEM Simulation: ANSYS Mechanical, Marc Mentat
- Process simulation: ANSYS Polyflow, chillWARE
- Thermal coupled tool simulation
- Fluid-structure coupling
- Multiphase flow simulation
- Simulation at tool exit
- Simulation of forming processes
- Simulation of cooling processes
Videos
Awards
FREITAG Circ Case F385
Swiss Plastics Expo Sustainability Award 2023
Tide Ocean
eMove360° Europe – MATERIALICA best of Award 2019
Swiss Plastics Expo Sustainabilty Award 2020
Jansen hipress
European Geothermal Award 2019
German Innovation Award Gold 2019
CREAMELT TPU-R
eMove360° Europe – MATERIALICA Gold Award 2017
German Innovation Award Winner 2018
German Design Award Special Mention 2019
creamelt.com
Technical papers
Reference books
Schwendemann, D., In: Oksman K., Mathew A.P., Bismarck A., Rojas O., Sain M. (Hg.): Materials and Energy - Vol.5: Handbook of Green Materials (Chapter 11). World Scientific Publishing Co. Pte. Ltd., 2014. ISBN 978-981-4566-45-2(set). ISBN 978-981-4566-51-3
Schwendemann, D., In: Bledzki, Andrzej K., Sperber, Volker E. (Hg.): Biobased materials - 9th WPC, Natural Fibre and other innovative Composites Congress and Exhibition, Injection Moulding of Biopolymers (Chapter A16). Carl Hanser Verlag, München, Deutschalnd. 2012.-ISBN 978-3-446-43295-6
Schwendemann, D., In: Oksman-Niska, Kristiina; Sain, Mohini (Hg.): Wood-polymer composites. Chapter 4 Manufacturing technologies for wood-polymer compoistes. Woodhead Publishing Limited, Cambridge, England, 2008.-ISBN 978-1-84569-272-8
Schwendemann, D., In: VDI Gesellschaft Kunststofftechnik (Hg.): Aufbereitungstechnik 2008: Von Naturfasern bis Nanoadditiven; Hochleistungsfüllstoffe in der Kunststofftechnik. Aufbereitung von Holz-Kunststoff Kompositen Von der Terrassendiele zum Strukturbauteil (S. 65-78). VDI, Düsseldorf, 2008.-ISBN 978-3182-3429-77
Schwendemann, D., In: Bledzki, Andrzej K.; Sperber, Volker E. (Hg.): 7th Global WPC and Natural Fibre Composites Congress and Exhibition. Compounding of Renewable Materials (Chapter A4). PPH ZAPOL, Szczecin, Polen, 2008.-ISBN 978-83-751809-7-8
Schwendemann, D., In: Bledzki, Andrzej; Sperber, Volker (Hg.): 6th Global Wood and Natural Fibre Composites Symposium. Needs for the Compounding Process to obtain a high performance wood plastic composite (Chapter A7). PPH ZAPOL, Szczecin, Polen, 2006.-ISBN 978-83-60140-87-1
Journals
2024
Synergy of recycling technologies for a circular plastics industry
Schwendemann, D., Innovation News Network, 05/2024
Download Papier in der Kunststoffverarbeitung
Schwendemann, D., Keller, L., Grimm, S., Bürgisser, B., Konrad, J., KunststoffXtra 03-04/2024, p. 18-19
2022
Download Ganzheitliche Betrachtung des Produktlebenszyklus
Schwendemann, D., Rickenbacher, S., KunststoffXtra 11-12/2022, p. 25-27
Download 3D printing toughens up
Smith, C., Compounding World 05-2022, p. 57-65
Download Digitalisierung beim Compoundieren
Schwendemann, D., Hollender, J., Ehrig, F., Wick, C., Hänggi, R., Kunststoffe 03-2022, p. 12-15
Download Digitalization in Compounding
Schwendemann, D., Hollender, J., Ehrig, F., Wick, C., Hänggi, R., Kunststoffe 02-2022, p. 6-9
Download IWK setzt Massstäbe - auch international
Schwendemann, D., Rickenbacher, S., KunststoffXtra 01-02/2022, p. 20-21
2021
Download Orientation of Polylactic Acid–Chitin Nanocomposite Films via Combined Calendering and Uniaxial Drawing: Effect on Structure, Mechanical, and Thermal Properties
Singh, S., Kumar Patel, M., Shiyu, G., Teleman, A., Herrera, N., Schwendemann, D., Maspoch, M.L., Oksman, K., nanomaterials 12/2021
Download Sind technische Daten herstellungsunabhängig?
Schwendemann, D., Gmür, M., KunststoffXtra 10/2021, p. 39-41
Download Functional Nanocomposite Films of Poly(Lactic Acid) with Well-Dispersed Chitin Nanocrystals Achieved Using a Dispersing Agent and Liquid-Assisted Extrusion Process
Patel, M.¹, Schwendenmann, D., Spigno, G.³, Geng, S.¹, Berglund, L.¹, Oksman, K.¹,⁴: Functional Nanocomposite Films of Poly(Lactic Acid) with Well-Dispersed Chitin Nanocrystals Achieved Using a Dispersing Agent and Liquid Assisted Extrusion Process
Received: 27 May 2021, Accepted: 23 July 2021, Published: 28 July 2021
Download Co-Extrusion neu gedacht
Biedermann, M.¹, Meboldt, M.¹, Walker, S.², Schwendemann, D.² (¹ETH Zürich (pd|z), ²OST - Ostschweizer Fachhochschule, IWK): Co-Extrusion neu gedacht, Kunststoffe 2/2021, p. 33-36
2020
Download 3D-Druck mit schweizer Premium-Schokolade
Schwendemann, D., Fässler, P.: 3D-Druck mit schweizer Premium-Schokolade, xt Additive Fertigung 4/November 2020, p. 46-49
Download Innovation in der Profil Co-Extrusion
KunststoffXtra 11/2020, p. 18-20
Download Flury, M.: Dem Abfall einen Wert geben, Tide Ocean Material – ein Fair-Trade-Label
KunststoffXtra 7-8/2020, p. 26-27
Download Nachschrumpf reduziert, Produktion gesteigert
Silvan Walker ¹, Prof. Daniel Schwendemann ¹, Prof. Dr. Olaf Tietje ², Beat Schmucki ³ (¹ IWK an der HSR Rapperswil, ² HSR Hochschule für Technik, Rapperswil, ³ Datwyler Cabling Solutions AG, Altdorf): Nachschrumpf reduziert, Produktion gesteigert, KunststoffXtra 5/2020, p. 12-14
Download Effect of Chitin Nanocrystals on Crystallization and Properties of Poly(lactic acid)-Based Nanocomposites
Shikha Singh1,2, Mitul Patel1, Daniel Schwendemann1,3, Marta Zaccone4, Shiyu Geng1, Maria Lluisa Maspoch2, and Kristiina Oksman1,5*
Received: 2 March 2020; Accepted: 16 March 2020; Published: 24 March 2020
2019
Download Im Spannungsfeld der Kreislaufwirtschaft
Schwendemann, D.: Im Spannungsfeld der Kreislaufwirtschaft, KunststoffXtra 12/2019, p. 2-4
Download Von der Skipiste in den 3D-Drucker
Schwendemann, D.: Von der Skipiste in den 3D-Drucker, Additive Fertigung 2/Mai 2019, p. 52-55
Download Simulationsgestützte Werkzeugauslegung
Schwendemann, D., Walker, S.: Simulationsgestützte Werkzeugauslegung, KunststoffXtra 4/2019, p. 24-25
2018
Download die stärkste Kunststofferdwärmesonde der Welt
Schwendemann, D., Alge, D.: Die stärkste Kunststofferdwärmesonde der Welt, KunststoffXtra 11/2018, p. 12-13
Lectures
2023
Schwendemann, D.: Industry Case Study, European Business Analysis Day, Frankfurt, March 23 2023
Link to the Website
2020
Schwendemann, D.: Wie aus Ozeanplastik nachhaltige Produkte werden / Aus Meeresmüll werden Teile für die Uhrenindustrie, SwissPlastics Expo Award 2020, Luzern, 22. Januar 2020
Link zum Vortrags-Video
2019
Schwendemann, D.: Aus Skischuhen wird Material für den 3D Druck, Swiss Materials, ARGO Chur, 31. Oktober 2019
Schwendemann, D.1,2*, Oksman, K.3, Wick, B.4, Ramsauer, A.5 (1 Institute of Material Technology and Plastics Processing, University of Applied Sciences Eastern Switzerland, 2 Division of Material Science, Luleå University of Technology, Luleå, Sweden, 3 Division of Material Science, Luleå University of Technology, Luleå, Sweden, 4 SwissPrimePack AG, Altstaetten, Switzerland, 5 Institute of Material Technology and Plastics Processing, University of Applied Sciences Eastern Switzerland): Water-Assisted Compounding of coffee grounds for thermoforming cups, Twenty-second international conference on Composite Materials (ICCM22), Melbourne, Australia, 11-16 August 2019
Schwendemann, D.: Development of water soluble support material for additive manufacturing, 26th BEPS @ Clemson University, Greenville, 6 June 2019
Schwendemann, D.: Zukunftsthemen und Spannungsfelder in der Kunststoffindustrie, Busch Kunststofftage, Maulburg, 5.-6.02.2019
2018
Schwendemann, D.: Compounding of water soluble support material for additive manufacturing, Coperion Extrusion Days 2018, Stuttgart, 28. November 2018
