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KTH

Novel Lignin Based Thermoset Resins

The project focuses on synthetic pathways to modify lignin to introduce chemical groups suitable for cross-linking reactions and elaboration on the mechanical properties of the formed materials. The main focus is allylation, introducing an allyl ether functionallity selectively on phenols, and thiol-ene reactions for cross-linking of the thermoset resin. This is performed on technical lignin […]

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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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The use of bio-polymers in micro fluidic devices for biomedical applications

By combining the knowledge in the field of surface modification with bio-polymers such as cellulose with the knowledge in microfluidic devices for biomedical applications. We foresee a huge potential in creating new useful devices for future increased health. During the recent decade cellulose in the form of different types of nano cellulose have attracted a

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From molecular interactions to macroscopic properties

The objective of this research project is to develop a deeper understanding on how chemicals can influence the dry strength of biocomposites, in our case board and tissue. The following parameters will be considered: -Influence of chemistry (mainly polyelectrolytes, PE) on bond and network strength -Influence of PE configuration and loading (charge) on bond and

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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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Inverse modelling of nanofibril dynamics in flowing systems

Design, scale-up and optimisation of flow systems for production of nanostructured assemblies is critical if the potential of many nanotechnologies is to be realised. Computer simulations of the flow and material structure will, of course, play an important role in this work. However, the behaviour of nanoscale building blocks (such as nanofibrils) cannot be simulated

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Characterization of turbulent flows of non-Newtonian fluids with magnetic resonance flow imaging

The project “Characterization of turbulent flows of non-Newtonian fluids with magnetic resonance flow imaging” will provide critical knowledge necessary to provide accurate models for design, prediction and optimisation of processes in which non-Newtonian (and often multiphase) flows occur. The particular aspect that will be enabled is detailed comparison of flow data from experiments on opaque

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High barriers for wood-based materials

 Nature-inspired high barrier materials from wood components for wood-based materials. Objectives Scientific: Investigate how the different components in a fruit/plant cuticle contribute to very high barrier properties (wax/lipid, crosslinked polyester and polysaccharides). Why are they assembled together the whey they are? Are there synergy effects? Can we go even beyond Natures high barriers by introducing

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ForMAX förstudie

Projektet syftar dels till att utveckla experimentella miljöer för att studera skogsrelaterade processer och material vid MAX IV, dels till att demonstrera användningen av synkrotronljus och neutroner för forskning med stor industrirelevans samt slutligen till att utveckla strålröret ForMAX strukturbidrag och prestanda.

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Wallenberg Wood Science Center

Wallenberg Wood Science Center is a research center with a focus on new materials from trees. The center creates knowledge and builds competence that has the potential to form the basis for an innovative and sustainable future value creation from forest raw materials. WWSC is a joint research center between KTH Royal Institute of Technology,

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Structure and Properties of Hemicelluloses

Hemicelluloses represent one of the largest natural resources on Earth. They occur together with cellulose in plant cell walls and the exact structure varies between different types of plants. However, generally they are heteropolysaccharides that are branched and often also acetylated and methylated. The biological background for the structural heterogeneity of hemicellulose is unclear. Hemicelluloses

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