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Formas

Enzymatic engineering of hemicellulose hydrogels

In this project we will engineer hemicellulose hydrogels using a wide range of enzymes, from oxidative laccases that introduce crosslinking to specific hydrolases that cleave selectively side chains from the hemicelluloses. We expect that the enzymatic treatments will modulate the network interactions in the hydrogels and the rheological properties. We will investigate the morphology and

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Uncovering the synergistic effects between cellulose and lignin for advanced forest-based carbon fibers

Carbon fibers made completely from biobased material with a low climate impact is an area of research that have seen significant breakthroughs during the last years. Forest-based carbon fibers from certified forests have a high value and potential to stimulate new value chains in the area of light-weight composites, making it possible to use carbon

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BIOdegradable vegan networks from REcycled agro-food waste as sustainable single-use abSORBents (BioRESorb)

The objective is to develop biodegradable absorbents containing nonwoven fiber networks from agro-food biomass waste. The material's structure-absorption relationship will be investigated and designed to make a fully bio-based absorbent core encapsulated in a natural nonwoven fabric. The raw materials will also be combined with other natural polymers to provide additional functionality (antimicrobial or binding

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Structure-property relationships in lignin-based porous carbon materials for water purification

Good water quality is essential to human health, social and economic development, as well as the ecosystem. Industrialization and urbanization, together with the explosive population growth, have caused a great challenge for maintaining safe and clean water resources. Among many strategic and research activities for water protection, a direct approach is to develop biobased porous

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Upgrading recycled thermoplastics using cellulose oxalate for a more sustainable future 

The absolute majority of plastic used today are fossil-based thermoplastics such as polypropylene and polyethylene. To an extent these plastics are recycled through mechanical recycling but the recycled plastic is mainly used for low-end, low quality products. This is due to decreased mechanical properties and due to that the recycled plastic often obtains a black

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Resource-efficient and non-toxic material flows from wood waste

With increasing focus on recycling, wood waste can increase its potential to generate secondary raw materials instead of incineration and landfilling. The quality of wood waste, as determined by the presence of material and mainly chemical impurities, is essential to ensure a high quality, clean and safe recycling loop for particleboards or for other emerging

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Functional lignin nanomaterials

This is a umbrella theme of research carried out in Sustainable Materials Chemistry (SUSMATCHEM) research group in Stockholm University. We aim to make most out of lignin with minimal processing and chemical modification according to the principles of green chemistry. In addition to fundamental studies of structure and properties of lignin and lignin nanoparticles, we

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