What is it about?
Nanocellulose is novel biobased strong and light material liberated from natural, like wood, fibers. Nanocellulose can be used for example as reinforcing agent in composites. In this study, environmental friendly method is introduced to help the liberate nanocellulose from birch cellulose fibers is studied. Method is based on non-derivatization pretreatment of cellulose fibers using deep eutectic solvent.
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Why is it important?
Deep eutectic solvents (DESs) are novel type of solvent that can be obtained widely available and cheap chemicals with low toxicity. Here, B vitamin-like choline chloride and urea were used as starting chemical for DES. Use of DES in the fabrication of nanocellulose is unique method and could help to achieve environmental feasible and cost efficient way to produce novel nanocellulose-based material.
Perspectives
DES are promising material for nanocellulose production and also for other type of cellulose modification, including chemical alteration of cellulose structure.
Dr Juho Antti Sirviö
Oulun Yliopisto
Read the Original
This page is a summary of: Deep eutectic solvent system based on choline chloride-urea as a pre-treatment for nanofibrillation of wood cellulose, Green Chemistry, January 2015, Royal Society of Chemistry,
DOI: 10.1039/c5gc00398a.
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