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New cellulose deriv...
New cellulose derivatives from wood for high value products
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- Ek, Monica (författare)
- KTH,Träkemi och massateknologi
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- Karlsson, Sigbritt (författare)
- KTH,Fiber- och polymerteknologi
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Fardim, Pedro (författare)
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- Maunu, Sirkka Liisa (författare)
- University of Helsinki
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Nousiainen, Pertti (författare)
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Siika-Aho5, Matti (författare)
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Walkenström, Pernilla (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: TAPPSA: Technical Association of the Pulp and Paper Industry of Southern Africa. - 1029-0109. ; :September 2008
- Relaterad länk:
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http://www.tappsa.co...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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