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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 »

Efficient Washing of Paper grade pulp in the kraft process

The project contributes to strengthened Swedish competitiveness through its expected research results and new fundamental knowledge for the development of an efficient pulp washing process and thus through an increased pace of innovation in the transition to a circular economy. After pulping the wood chips, the resulting pulp fibres and cooking liquor are separated in a

Efficient Washing of Paper grade pulp in the kraft process Läs mer »

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

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

Mechanical aspects of bio based composites

The work consists of understanding the mechanical aspects of novel bio-based composites by exploring microstructures, weak interfaces, anisotropy, and lamella thickness. My current projects are (i) in situ mechanical tests with Deben microtester and scanning electron microscopes on a thin layer of montmorillonite clay on hydroxyethylcellulose films to investigate interfacial (adhesion) properties between the constituents,

Mechanical aspects of bio based composites Läs mer »

Molecular Basis of the Interactions and Recalcitrance of Lignocellulosic Biomass

Lignocellulosic biomass represents the main renewable resource from the biosphere for the production of biofuels, platform chemicals and bio-based materials. Lignocellulose consists of a complex polymeric network of cellulose microfibrils embedded in a matrix of hemicelluloses, pectins, and lignins with exquisite organization from the nano- to the microscale. However, the heterogeneity of the lignocellulose polymeric

Molecular Basis of the Interactions and Recalcitrance of Lignocellulosic Biomass Läs mer »

The kinetics of lignin extraction in oxygen delignification.

The current and future environmental challenges call for improved and more sustainable processes in the pulp industry. To contribute to a sustainable and competitive Swedish bioeconomy the pulp industry needs to increase efficiency without increasing the use of hazardous chemicals. Oxygen delignification is a unit process that has been used in pulp mill fiberlines between

The kinetics of lignin extraction in oxygen delignification. Läs mer »

BioUPGRADE – Biocatalytic upgrading of natural biopolymers for reassembly as multipurpose materials

BioUPGRADE unites expertise in functional genomics and material science to deliver breakthrough biotechnologies that sustainably upgrade nature’s main structural biopolymers into high-value and multipurpose materials.Living organisms drive our planetary carbon cycle via biocatalysts that transform CO2 into an enormous array of diverse and functional molecules. A significant fraction of this carbon is transformed into structural

BioUPGRADE – Biocatalytic upgrading of natural biopolymers for reassembly as multipurpose materials Läs mer »

Multi scale modeling of the delignification kinetics during kraft cooking

The kraft process is today the dominant industrial technology for the production of pulp from wood.In this process, wood chips are boiled with chemicals in order to dissolve lignin, hemicellulose andextractives. The process itself contains several complex mass transport mechanisms, where thechemicals are to be transported into the wood chip and then further into the

Multi scale modeling of the delignification kinetics during kraft cooking Läs mer »

Ex situ and in situ advanced electron microscopy of enzymatic action for biomass tailoring and transport paths in conducting fibres and yarns

The structure of wood is complex with many components. As new cellulose-based materials and devices are to be developed and optimized it is crucial to understand the material microstructure of wood and also the properties of its individual microstructural constituents. Electron microscopy offers a unique capability for site specific imaging, diffraction and spectroscopy with high 

Ex situ and in situ advanced electron microscopy of enzymatic action for biomass tailoring and transport paths in conducting fibres and yarns Läs mer »

A new bio-based wood adhesive

One of the obstacles to easy recycling of wood composites is the thermosetting adhesives used in their production. Increasing the recyclability of composites could be achieved by developing bio-based bonding materials that will decompose under specific conditions. Bio-based adhesives such as those based on starch and microfibrillated cellulose have been demonstrated to form strong bonds

A new bio-based wood adhesive 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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