Blar i USN Open Archive på forfatter "Fredriksen, Siw Bodil"

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    • Experimental Design and Modeling for Propylene Oxide - CO2–Poly (Propylene Carbonate) Solutions 

      Pandey, Umesh; Sætre, Kai Arne; Mathiassen, Jostein; Ronasi, Sara; Fredriksen, Siw Bodil; Pfeiffer, Carlos Fernando (Journal article; Peer reviewed, 2018)
      In this research, experimental design was used to formulate the empirical models of viscosity and density of poly(propylene carbonate) (PPC), propylene oxide (PO), and carbon dioxide (CO2) solutions by designing experiments ...

    • Experimental study of thermal and catalytic pyrolysis of plastic waste components 

      Anene, Azubuike Francis; Fredriksen, Siw Bodil; Sætre, Kai Arne; Tokheim, Lars-André (Journal article; Peer reviewed, 2018)
      Thermal and catalytic pyrolysis of virgin low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and mixtures of LDPE/PP were carried out in a 200 mL laboratory scale batch reactor at 460 °C ...

    • Simulation of the Pyrolysis Process: from Plastic Waste to Environmental Friendly Fuel 

      Andersen, Marius; Sætre, Kai Arne; Fredriksen, Siw Bodil; Pfeiffer, Carlos Fernando (Journal article; Peer reviewed, 2018)
      How to deal with plastic waste is an important question, as it may affect both the climate and environment. A method that may be beneficial to dispose some kinds of plastic waste that cannot be material-recycled is ...

    • Use of recycled materials as mid layer in three layered structures-new possibility in design for recycling 

      Radusin, Tanja; Nilsen, Jorunn; Larsen, Sondre; Annfinsen, Steffen; Waag, Charlotte; Eikeland, Marianne Sørflaten; Pettersen, Marit Kvalvåg; Fredriksen, Siw Bodil (Peer reviewed; Journal article, 2020)
      Challenges of using recycled polymer materials in food packaging are related both to the properties of the material and demanding safety issues for food contact materials. The aim of this research was to detect possible ...