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Biodegradable polymers from renewable sources. New hemicellulose-based hydrogels
KTH, Superseded Departments, Polymer Technology.
2001 (English)In: Macromolecular rapid communications, ISSN 1022-1336, E-ISSN 1521-3927, Vol. 22, no 12, 962-967 p.Article in journal (Refereed) Published
Abstract [en]

Communication: Hemicellulose/poly(2-hydroxyethyl methacrylate) (PHEMA)-based hydrogels were prepared by the radical polymerization of HEMA with hemicellulose purposely modified with well-defined amounts of methacrylic functions using a redox initiator system. Oligomeric hydrosolube hemicelluloses produced from spruce chips were used for modification studies. The chemical modification of hemicellulose was performed with 2-[(1-imidazolyl)formyloxy]ethyl methacrylate as a modifying agent and triethylamine as the catalyst. The kinetics of the modification reaction was monitored by means of H-1 NMR spectroscopy. The resulting hydrogels obtained after a 30 min reaction were homogeneous, elastic, and transparent materials.

Place, publisher, year, edition, pages
2001. Vol. 22, no 12, 962-967 p.
Keyword [en]
dextran hydrogels, acetylation, protein, release, system, wood
URN: urn:nbn:se:kth:diva-20928ISI: 000170894000008OAI: diva2:339625
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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