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KTH

Defence of doctoral thesis: Marie Bäckström – The effect of environment on refining efficiency of kraft pulps

KTH Opponent: Docent Leif Robertsen, Åbo Akademi Supervisors: Professor Monica Ek and Professor Lennart Salmén The seminar will be available for streaming via Zoom webinar https://kth-se.zoom.us/j/66667478550 Follow the defense here Abstract Although the pulp and paper mill processes have been operational for long time there is still a need to understand the unit operations in paper …

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Defence of doctoral thesis: Tianxiao Huang – Hydrophobization of cellulose for bio-based materials

KTH Opponent: Docent Merima Hasani, Chalmers University of Technology, Department of Chemistry and Chemical Engineering Supervisor: Professor Monica Ek, Fiber- och polymerteknologi The seminar will be on Zoom. Link to zoom: https://kth-se.zoom.us/j/63868851719   Abstract As a main structural component of plants, cellulose is naturally abundant and widely distributed on earth. Although the chemical formula of …

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Defence of doctoral thesis: Hyeyun Kim – Wood-Based Nanocellulose In Lithium Ion Batteries and Electrochemical Coatings

KTH / WWSC Opponent: Doctor Davide Beneventi, Centre national de la recherche scientifique Supervisor: Professor Ann M. Cornell, Kemiteknik, Tillämpad elektrokemi, Wallenberg Wood Science Center The presentation will be streamed on this page Abstract Lithium ion batteries contain diverse functional polymeric materials, e.g. binders and separators. Naturally self-assembled wood cellulose can be disintegrated to nanosized …

Defence of doctoral thesis: Hyeyun Kim – Wood-Based Nanocellulose In Lithium Ion Batteries and Electrochemical Coatings Läs mer »

Defence of doctoral thesis: Marcus Jawerth – Thermoset resins using technical lignin as a base constituent

KTH / WWSC Opponent: Professor Heikki Tenhu, University of Helsinki Supervisor: Professor Mats Johansson, Fiber- och polymerteknologi, Polymerteknologi, Fiber- och polymerteknologi The presentation will be streamed on this page Abstract The need to find sustainable paths for our society is imminent to tackle environmental concerns of today. The majority of all plastic materials are produced …

Defence of doctoral thesis: Marcus Jawerth – Thermoset resins using technical lignin as a base constituent Läs mer »

Defence of doctoral thesis: Jennie Berglund – Wood Hemicelluloses – Fundamental Insights on Biological and Technical Properties

KTH, WWSC Supervisor: Prof. Mikael Lindström, KTHOpponent:Prof. Maija Tenkanen, Helsingfors universitet, Finland “Hemicelluloses make up about 30% of wood, a renewable resource that can be used as a raw material replacing fossil based products. However, the hemicellulose fraction in wood has a large potential to be used in a better way. One global sustainability goal is …

Defence of doctoral thesis: Jennie Berglund – Wood Hemicelluloses – Fundamental Insights on Biological and Technical Properties Läs mer »

Defence of doctoral thesis: Anna Ottenhall – Antimicrobial materials from cellulose using environmentally friendly techniques

KTH Opponent: Dr Stefan Spirk, Graz University of Technology Supervisor: Professor Monica Ek, KTH Co-supervisor: Josefin Illergård, KTH The seminar will be streamed on this page Abstract The layer-by-layer (LbL) technique is becoming a powerful tool that has been applied in many surface coatings and functionalizations in recent years. It has many advantages including a …

Defence of doctoral thesis: Anna Ottenhall – Antimicrobial materials from cellulose using environmentally friendly techniques Läs mer »

Scientific Session: Associate Professor Stefan Spirk

Cellulose Thin Film Technology Welcome to a seminar with Dr Stefan Spirk from Institute of Paper, Pulp and Fiber Technology at Graz University of Technology. Dr. Spirk’s research interests deal with biobased materials with a focus on cellulose and how these can be implemented in advanced technologies such as optoelectronics, energy and medical applications. In this seminar …

Scientific Session: Associate Professor Stefan Spirk Läs mer »

Nanocellulosa ger starkare och bättre elektroder

Forskare vid KTH och Wallenberg Wood Science Center (WWSC) har använt nanocellulosa i en ny typ av starkare och billigare elektroder, som kan användas t ex för energilagring. De nya elektroderna kan möjliggöra nya typer av flexibel och bärbar elektronik. Läs mer på kth.se >> Läs publikationen på Advanced Materials >> Tian, W.,  VahidMohammadi, A.,  Reid, M. …

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Defence of doctoral thesis: Chao Chen – Development of Non-leaching Antibacterial Approaches on Cellulose-based Substrates and Their Mechanisms

KTH Opponent: Dr Stefan Spirk, Graz University of Technology Supervisor: Professor Monica Ek, KTHCo-supervisor: Josefin Illergård, KTH The seminar will be streamed on this page Abstract The layer-by-layer (LbL) technique is becoming a powerful tool that has been applied in many surface coatings and functionalizations in recent years. It has many advantages including a fast …

Defence of doctoral thesis: Chao Chen – Development of Non-leaching Antibacterial Approaches on Cellulose-based Substrates and Their Mechanisms Läs mer »

Defence of doctoral thesis: Justin Xuan Yang – Eco-friendly Holocellulose Materials for Mechanical Performance and Optical Transmittance

KTH / WWSC Opponent: Associate professor Eero Kontturi, Aalto University, Helsinki, Finland Supervisor: Lars Berglund KTH The seminar will be streamed on this page Abstract Cellulosic materials can be sustainable replacements for fossil-based plastics; yet for some applications improvements are needed for mechanical properties, optical transmittance and eco-friendly characteristics. In this thesis, holocellulose materials are …

Defence of doctoral thesis: Justin Xuan Yang – Eco-friendly Holocellulose Materials for Mechanical Performance and Optical Transmittance Läs mer »