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.
Meny
Chalmers
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 »
Plasticization and partial depolymerization of lignocellulose-based materials
This project is a part of the competence center FibRe. This particular PhD student project aims to plasticize the lignin in the cell walls. The first part will be to extract lignin from wood and wheat straw, and to evaluate how different plasticizers affect the material properties. This will then be extrapolated to lignocellulose-based fibers.
Design for Circularity: Lignocellulosic based Thermoplastics – FibRe
Global warming is one of the largest threats ever to our planet which can completely alter our living conditions. Human contributions to emissions of green-house gases must decrease, and a drastically decreased use of fossil resources is a key step to achieve this. Daunting 320 million tons of plastics are annually produced in the world, …
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Mass transfer challenges in wood decomposition
Cellulose is the most abundant biopolymer. It can be extracted from the primary cell wall of green plants. The primary resource for production of cellulose is wood, where it is attached to other biopolymers such as hemicelluloses and Lignin. A challenging step in material biorefinery is separation of Lignin from cellulose, in which mass transport …
Enzyme discovery and enzyme application on wood
Our project aims to identify enzymes that have the ability to increase the efficiency of the biorefinery process, designed for the production of biofuels, -chemicals, and -materials. Specifically, this project aims to find, characterize, and utilize, enzyme that attack specific bonds in the complex biomass structure, to increase the saccharification efficiency of cellulolytic enzyme cocktails …
Valorization of lignocellulosic biomass for non-fossil chemicals and fuels using photolysis based on LED
Sawdust, a valuable lignocellulosic biomass, is today considered waste and burnt to generate heat. Depending on the sawing process, sawdust might be up to 50% of the timber. An energy efficient valorization of lignocellulosic waste into non-fossil chemicals and fuels minimizes the CO2 footprint and contributes to a sustainable production. A major challenge is to …
KAW Biocomposites
Technical objective The project is focused on materials design of biocomposites which are semi-structural, recyclable and/or biodegradable. The term “semi-structural” needs to be defined. If 30wt% glass fiber/polypropylene is selected as the reference material for substitution, it would mean that the modulus should be > 6 GPa and the tensile strength > 85 MPa. In …
Conducting cellulose fibres and yarns for circular electronic textiles
Conducting fibres and yarns are essential components of the next generation of wearable electronics that seamlessly integrate electronic function into one of the most versatile and most widely used form of materials: textiles. Necessary requirements are a high degree of wash and wear resistance. Traditionally, colouring of cotton, viscose and lyocell fibres is done with …
Conducting cellulose fibres and yarns for circular electronic textiles Läs mer »
Recyclable and Creep Resistant Polyethylene – through Transient Cellulose Networks
Plastics enhance almost every aspect of human life from food consumption to medical care and even energy production. However, the often superficial use of plastics means that a large fraction of this versatile class of materials is not recycled but, instead, burned for energy recovery, buried as waste in landfills, or worst case simply discarded …
Recyclable and Creep Resistant Polyethylene – through Transient Cellulose Networks Läs mer »
Development of advanced methods for investigation and counteracting of membrane fouling during recovery of extracted wood components in biorefinery applications
This project aims to develop and use advanced characterisation methods to investigate how process parameters can be utilised to decrease the effect of surface fouling during separation for recovery of high molecule weight hemicelluloses in biorefinery applications. Characteristics of formed fouling layers that are difficult to measure: thickness as well as cohesive and adhesive strength, …
Scale-up of sustainable production of dialdehyde cellulose and dialcohol cellulose
The project is a collaboration between Chalmers, KTH, BillerudKorsnäs and TetraPak. The aim of the project is to develop a closed or semi-closed techno-economical feasible process for production of Dialdehyde cellulose, DAC and its derivatives with a target to replace plastic materials in different applications such as thermoforming, extrusion and moulding. The project will have …
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