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3-material forming

Constitutive modeling for macro-micro delamination for paperboard/Tow ards zero defects in packaging technology

The project aims to develop experimental methods for characterizing packaging materials. In the project, the microstructure of packaging materials w ill be methodically characterized and linked to mechanical properties. Traditionally, mechanical testing of paperboard material has been carried out without regard to micro-level mechanisms. With new experimental methods such as in situ x-ray tomography, much […]

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Pre-project ForMAX beamline

This project is focused on SAXS measurements to study structuring of fibrilar systems under flow, such as 3D printing, electro spinning and fibre spinning. The project is in the framework of the feasibility study on the ForMAX beamline at MAX IV. Controlled alignment of for example cellulose nanofibrils is of high interest, since their mechanical

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Develop contact-active antibacterial approaches on bio-based materials using LbL technique and their antibacterial mechanisms

Layer-by-layer coating technique has been shown their considerable advantages including fast and mild process, flexibility and easy to scale up comes to the surface functionalizations. One of the most pronounced functionalities is the antimicrobial approach. We are aiming at developing non-complicated methods for antibacterial properties on different substrates mainly cellulose-based materials using alternative cationic polyelectrolytes,

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Polysaccharide films – formation and properties

Turning wood-based polymers and particles into films is vital for majority of their utilization (packaging, support materials) and for fundamental analytics (model surfaces for adsorption, interaction studies, strength characterization). Cellulose, hemicelluloses and lignins have distinct (from one another) intrinsic film formation behavior and properties that span from solubility, molecular weight and flexibility, and polarity. Main

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Advanced rheological characterization of cellulose based systems

Processing, e.g. extrusion, injection molding, typically involves rheologically complex materials in complex flow configurations. The deformation history therein experienced by materials is generally characterized by a series of shear, extensional, or a combination of the two deformations, at high isotopic pressures and temperatures. Therefore, a fundamental understanding of the material response in simple shear and

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Development of a new rheometer system at MAX IV

Rheometry explores the relationship between forces and motion through (continuum) constitutive relations and suitably defined material functionsi. Rheometry is important for soft matter from two main reasonsii: (i) to investigate correlations between molecular structure and material behavior and (ii) to attempt the prediction of flow behavior in complex situations using material parameters determined in simple,

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Simulation and modelling of wood-based advanced functional materials

In this project we perform multi-scale theoretical modelling of wood-based materials and devices ranging from the Molecular Dynamics and ab initio simulations on the atomistic level to the drift-diffusion device simulation on the system level to answer the fundamental questions concerning material structure, morphology, polymerization, porosity, ion diffusion, role of water, solvents and many others,

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Impact of compaction parameters on the mechanical properties of highly extensible paper

The possibility of producing three-dimensional advanced paper structures create the conditions for replacing plastic-based solutions or plastic details in packaging with multi-material and contributes in an essential way to strategies for a sustainable social development .  Within this context, the project deals with the challenge of producing highly stretchable paper for 3D forming applications through in-plane

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NMR as tool to study heterogeneity in biomass

In this project, the purpose is to implement solid-state NMR methods to obtain domain sizes in biopolymer composites and to determine molecular orientation distribution in anisotropic material. The ambition is to take advantage of recent methodological NMR development regarding spin diffusion and intrinsic chemical shielding tensor properties. The project is a part of WWSC

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Functionalized cellulose structures from aqueous alkaline systems

Even though aqueous alkaline systems are among the most prominent and sustainable conversion media for cellulose (of particular importance for large scale processes) fundamental understanding of principal molecular interactions in these systems is still limited, especially of those stabilizing cellulose solutions in aqueous alkali.   However, regardless of the nature of stabilizing interactions in these solutions,

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Durable water-, oil- and soil repellent wood for outdoor applications via smart surface modification

Syftet med detta projekt är att förbättra hållbarheten utomhus av trä och biokompositmaterial för fasadmaterial samt utemöbler med hjälp av robust ytmodifiering som avvisar vatten, oljor och smuts. Vår nya idé bygger på användning av hållbara komponenter och skalbara processer. Vetenskapliga och tekniska mål är att formulera en halvtransparent beläggning för trä för att skydda

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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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