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New cellulose derivatives from wood for high value products
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-5394-7850
University of Helsinki.
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2008 (English)In: TAPPSA: Technical Association of the Pulp and Paper Industry of Southern Africa, no September 2008Article in journal (Refereed) Published
Abstract [en]

Various pre-treatment methods to increase the accessibility of cellulose materials to swelling and reactive agents at different hierarchical levels, has been developed. It was demonstrated that enzymes are very efficient at increasing the cellulose reactivity. A new method to measure the reactivity and accessibility of the hydroxyl groups on cellulose was developed. Reversible addition-fragmentation chain transfer (RAFT) agents were synthesized and used further in esterification reactions with cellulose samples to prepare cellulose based graft-copolymers. MALDI-TOFMS was evaluated for characterization of cellulose derivatives. Methods to prepare electrospun fibres, casings, sponges and beads, were developed with target applications in pharmaceuticals and foods.

Place, publisher, year, edition, pages
2008. no September 2008
National Category
Polymer Technologies Polymer Chemistry
URN: urn:nbn:se:kth:diva-80546OAI: diva2:498115
QC 20120510Available from: 2012-02-11 Created: 2012-02-09 Last updated: 2012-05-10Bibliographically approved

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Ek, MonicaKarlsson, SigbrittMaunu, Sirkka Liisa
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