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Dissolution and regeneration of wood saccharides in ionic liquids

Carina Olsson (Institutionen för kemi- och bioteknik) ; Gunnar Westman (Institutionen för kemi- och bioteknik, Organisk kemi)
Proceedings, 11th European Workshop of Lignicellulosics and Pulp p. 411-414. (2010)
[Konferensbidrag, övrigt]

Cellulose is one of the most important sources of renewable biomaterials, but the number of solvents that are capable of dissolving cellulose is still today very limited. Among non-derivatizing solvents, there are even fewer alternatives. Imidazolium based ionic liquids make up a well studied group of solvents for cellulose that have many advantages such as being considered environmentally friendly, and relatively easy to recycle. Here a model substance of native cellulose, namely oligomeric cellulose with DP = 4.33 is used to study the interactions between cellulose and ionic liquid in solution using 1H NMR spectroscopy. It can be concluded that the oligocellulose is a suitable model substance, with a higher resemblance to polymeric cellulose than for example cellobiose that have previously been used but with maintained possibilities to give high resolution in 1H NMR spectres.



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Denna post skapades 2013-02-11. Senast ändrad 2016-02-01.
CPL Pubid: 173369

 

Institutioner (Chalmers)

Institutionen för kemi- och bioteknik (2005-2014)
Institutionen för kemi- och bioteknik, Organisk kemi (2006-2014)

Ämnesområden

Materialvetenskap
Hållbar utveckling
Spektroskopi
Materialkemi
Kemiteknik
Polymerteknologi

Chalmers infrastruktur