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4-material concepts

Barrier and physicochemical properties of structured cellulose materials

Structured cellulose materials can form quite dense structures, which then yields high gas barrier properties. This has been shown for e.g. cellulose nanofibrillar films. The reason is most probably that these fibrils arranges them self side-by-side locally to the extent that it is often difficult to distinguish individual fibrils in the solidified films.  In this project […]

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Sustainable biocomposites

My research is about molded wood fibers, nanocellulose films, and polymer matrix biocomposites for desired properties, particularly mechanical performance within a sustainable development framework.Understanding the process, structure, and properties of hot-pressed biocomposites is the primary research question.

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Processing of organosolv fractions for a functionalization and valorization in biobased materials

Optimization of organosolv wood fractioning is performed to obtain pulp containing cellulose, hemicellulose, andlow levels of lignin. The pulp is functionalized to achieve specific fibre properties, such as water stability. The functionalized fibres are evaluated in industrial partners’ products, i.e. biobased foams, to provide valuable feedback for optimization of the functionalization procedures based on industry

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Synthesis, Characterization, Structure and Properties of Novel Non-Isocyanate Polyurethanes

To prepare novel biocomposites between cellulose (nano)fillers (nanofibers and nanocrystals) and NIPU thanks to their propensity to set up hydrogen bonding and interfacial covalent cross-linking with them.ESR9: To design biocomposites from novel waterborne or solvent-free functional NIPU polymers, where interface aspects and dispersion considerations are emphasized in order to achieve desired properties and processing characteristics.

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Characterization of water transport in lignocellulosic systems

The aim of the doctoral project is to understand water transport phenomena in lignocellulosic systems better. The focus thereby lies on the characterization of cellulosic dispersions as well as wood-based materials employing state-of-the-art techniques such as nuclear magnetic resonance spectroscopy (NMR), environmental scanning electron microscopy (ESEM) neutron scattering as well as magnetic resonance imaging (MRI).

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Tribocorrosion performance of cellulose bio-base hydraulics fluids and their application in wave energy converters. 

Offshore wave energy converters (WECs) rely on different mechanical sub-systems such as hydraulic cylinders, joints, hinges, cables, gears and bearings to convert and transmit the kinematic energy transported by the waves and tides into mechanical usable energy. In order to comply with the increasing environmental regulations, and protect the mechanical moving components exposed to the

Tribocorrosion performance of cellulose bio-base hydraulics fluids and their application in wave energy converters.  Läs mer »

Understanding the mechanical processes in deep-drawing and press-forming of compacted paper laminates

Compacted paper laminates can be formed by deep-drawing or press-forming to produce packaging solutions with height to diameter ratios not reachable with conventional thermoforming machines. These processes involve complex interactions of the fibres in the compacted paper layers and between these layers, including the bonding between them, which can be made either with glue or

Understanding the mechanical processes in deep-drawing and press-forming of compacted paper laminates Läs mer »

Magnetic nanopaper

This project is focused on production and development of magnetic nanopaper with ferrimagnetic properties. Cellulose nanofibrils (CNFs) are used as a stiff and strong matrix of natural origin, while ferrimagnatic nanoparticles of SrFe12O19 are added to bring in the functionality. Nanopaper is prepared by spray coating technique which is simple to handle and to upscale.

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Hybrid Glycoproteins from Wheat Bran as Platform Materials

Vetekli är det yttre skiktet som omger kornens frövita och utgör den huvudsakliga biprodukten från vetemalningsprocessen och står för cirka 300 000 ton per år i Sverige. Vetekli används för närvarande nästan uteslutande industriellt som djurfoder på grund av lågt organoleptiskt värde och näringsvärde för mänsklig konsumtion. Vetekli innehåller emellertid en stor andel värdefulla biomolekyler

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Preparation and use of lignocellulose nanomaterials in energy storage devices

Cellulose nanomaterials (CNs) obtained from fully-bleached (lignin-free) chemical fibers, such as cellulose nanoparticles (CNPs), cellulose nanofibers (CNFs), microfibrillated cellulose (MFC) have been a topic of extensive research during last decades since they constitute a biodegradable, renewable and naturally abundant resource with an important scientific and technological potential. However, the bleaching process is an energy-intensive process

Preparation and use of lignocellulose nanomaterials in energy storage devices Läs mer »

Om Treesearch

Treesearch har som syfte att skapa en nationell plattform för att stödja forskning. Forskningsprojekt som bedrivs inom Treesearch forskningsområden och de forskare som är aktiva i dessa projekt är välkomna att ansluta till plattformen.

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