Project

Cellulose-based triboelectric filters for airborne particles (Tribofilter)

The project aims to design and investigate a novel cellulose-based filter material with high particle retention and low-pressure drop based on triboelectric effect. The developed material is thought to act as a self-charging electrofilter that retains polluting particles harmful to humans.Air pollution caused by particulate matters (PMs) has raised serious concerns due to their threats […]

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Molecularly designed cellulose materials for triboelectric applications

TREESEARCH

Cellulose films possesses favorable triboelectric properties otherwise only found in synthetic, oil-based polymer materials. This can open up entirely new possibilities within the area of internet-of-things (IoT), which is expected to grow significantly in the coming decades. Cheap and sustainable sensor devices based on renewable, self-electrified systems without the need of batteries, self-powered by insignificant

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Physical properties characterization of cellulose biocomposites

TREESEARCH

Advanced cellulose-based biocomposites are bio-degenerable mateirals for a sustainable material. These materials generally have complicated and highly heterogeneous optical and mechanical properties. The developments and applications of such materials demand a thorough investigation of their physical properties and their structure-property relationship. This project aims to characterize the optical and mechanical properties using experiments and simulation.

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Nanostructured composites from latex nanoparticles

TREESEARCH

Latex nanoparticles with controllable physico-chemical properties, such as size, rigidity and surface functionality, have shown great promise in modifying and tailoring macroscopic properties of cellulosic nanomaterials. For instance, it has been found that cationic nanoparticles can stiffen or plasticize cellulose nanopapers depending on additive amount. The impact of nanoparticle shell functionality will be further investigated

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Electroactive Cellulose Composites Towards Future Green Devices

TREESEARCH

In the last few decades, significant interest has arisen in the use of cellulose in conjunction with electrically conductive materials for a wide range of applications, from energy storage and actuators to sensors. The primary driving force for selecting cellulosic materials stems from their intrinsic and extrinsic properties, such as high flexibility, processability, chemical stability,

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Synchrotron Methods for Biomaterial Processes

TREESEARCH

Investigation into the small scale interaction of cellulosic nanofibrils with geling agents through diffusion in flow layers, and the study of the subsequent effect on macro scale flow behavior of fibre spinning. Methods primarily intended to be those utilized at synchrotron facilities, like USAX, WAXS, and more novel techniques like XMPI.

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Återanvändning av matavfall för att konstruera svampmembran och filter för vatten- och luftrening

TREESEARCH

Filter och membran är halvgenomsläppliga barriärer, som ofta produceras från fossilbaserade polymerer och används för luft- och vattenrening. Membranfiltreringsanläggningar drabbas av omfattande membranbeläggningar, vilket kräver frekvent membranbyte. Detta medför en stor mängd plastavfall. Å andra sidan, har coronapandemin lett till en dramatisk ökning engångsmasker och flera miljarder masker slängs varje dag. Miljövänliga alternativ krävs för

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Mass transport in wood components from processed woods(III-3)

TREESEARCH

Purpose of the project is to study mass transport of ionic liquids into wood pieces and fibers and consequent lignin and hemicellulose transport out from the pieces. Therefore, characterisation techniques to investigate the location of ionic liquids and lignin in the fiber structure are needed to be developed. Examples of such techniques are X-ray imaging,

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A multiscale modelling approach aided by X-ray techniques to deepen the understanding of the effect of climate change on the hygromechanical behaviour of wood

TREESEARCH

Climate change has shown to alter the mechanical properties of wood. This suggest an alteration of the hygromechanical behaviour, behaviour that by itself is not fully elucidated yet. The deeper understanding of the hygromechanics of wood is important in the correct prediction and interpretation of drying and long-term behaviour of this material. In this light,

A multiscale modelling approach aided by X-ray techniques to deepen the understanding of the effect of climate change on the hygromechanical behaviour of wood Läs mer »