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Project theme: 3–material forming

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.

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.

Fundamentals of nanoscale assembly of cellulose nanofiber

I am interested in fundamentals of cellulose nanofibers (CNF) and cellulose nanocrystals (CNC) in dilute, semi-dilute, and crowded environment. Specifically, for CNFs, semi-flexibility of fibers and its effect on nano-scale dynamics is a key aspect of my project. At the moment, combining simulations with experiments (X-ray photon correlation spectroscopy) is the strategy to proceed the …

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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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WWSC2.0 Lignin Materials

We investigate how lignin-derived carbon materials can be tailored for use in electronic applications, primarily as electrodes in electrochemical capacitors.

Modeling, processing and optimization of highly-filled polymer wood fiber composites 

Biocomposites are a critical ingredient in the context of overarching societal efforts to increase the use of renewable materials. Therefore, the use of polymer with natural fiber reinforcements is expected to increase significantly. A current drive for polymer biocomposites is to maximize the use of renewable content in mass production systems. However, the full potential …

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Structure, Dynamics and Interactions of Nanofibres in Dilute Hydrodynamically Forced Systems

The ever increasing threat from climate change has spurred the demand for innovative, sustainable materials that could reduce our dependence on fossil fuels. Dispersions of cellulose nanofibrils (CNFs), derived from wood, can be spun into filaments that exhibit favourable mechanical properties. However, the structure, dynamics and interactions of the CNFs during the spinning process, which …

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Real time 4D X-ray microtomography Imaging and analysis of water transport mechanisms in sustainable paper straws

At present, there are no quantitative experimental studies for liquid transport with relevant spatial and temporal resolution in cellulose fiber networks. This project aims to improve the understanding of the dynamic interplay between water transport processes and the cellulose fiber network. In this way, the proportion of sorption of water in pores and cell walls …

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Colloidal properties of nanocellulose dispersions

The project aim is to control the stability and orientation of nanocellulose particles, by understanding the fundamental colloidal interactions between them in aqueous media. The information will then be used to create ordered and self-organized structures from nanocellulose dispersions. This knowledge is of great importance, since many nanocellulose based materials today are produced directly from …

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