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SUMMARY:IMX Seminar Series - Cellulose Nanofibrils: from Single Particle S
 tructure to Multiscale Material Assembly
DTSTART:20191111T131500
DTEND:20191111T141500
DTSTAMP:20260528T120253Z
UID:d98369b8312c2901a236393d5136d6d72e5eaeaea559a41cfbfba653
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Gustav Nystrom\, EMPA Switzerland\nThe increasing global po
 pulation and improved living standards demand a more efficient use of avai
 lable resources and energy\, and it is therefore critical to improve the u
 se of sustainable resources without sacrificing the quality of materials a
 nd products. Cellulose nanofibrils from wood represents an important class
  of sustainable biocolloids with great promise for use in high performance
  nanomaterials due to their high specific strength and stiffness\, chemica
 l resilience and self-organizing behavior. Optimal use of nanocellulose in
  new materials\, however\, requires control of both the individual particl
 e structure as well as how the particles are assembled over several length
  scales. Our fundamental work in this area is dedicated to an understandin
 g of the single particle structure and properties\, and how this structura
 l knowledge can be used to understand and predict the controlled formation
  of higher order structures that ultimately lead to materials with optimiz
 ed functionality. We use high-resolution microscopy to elucidate the physi
 cal properties of nanocellulose particles\, follow their liquid crystal as
 sembly in the light microscope\, use physical scaling arguments to underst
 and the different phases that are formed and combine this knowledge with e
 xternal structuring techniques to form functional nanocellulose materials.
  In this overview presentation\, I will describe our multiscale research a
 pproach specifically highlighting the nanoscale features of the cellulose 
 nanofibrils and also give examples of how these particles can be used to p
 roduce functional materials in the form of gels\, foams and 3D printed mat
 erials with integrated functionalities.\nBio: Gustav Nyström received his
  PhD in Engineering Physics from Uppsala University in 2012. Following pos
 tdoctoral work at KTH Royal Institute of Technology (Stockholm) with Lars 
 Wågberg and Lars Berglund in the Wallenberg Wood Science Center and at ET
 H Zurich with Raffaele Mezzenga\, he is since 2018 head of the Cellulose &
  Wood Materials laboratory at Empa and a Lecturer at ETH Zurich. He was th
 e recipient of the Gunnar Sundblad Research Foundation’s Skills Developm
 ent Prize (2014) and is a Swiss National Science Foundation Ambizione Fell
 ow (2016). His research focuses on the interactions between polymers\, nan
 oparticles\, and colloids from renewable resources with the aim of finding
  energy efficient routes to build high performance materials contributing 
 to a sustainable future.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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