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http://hdl.handle.net/1942/18298
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DC Field | Value | Language |
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dc.contributor.author | Glas, Daan | - |
dc.contributor.author | PAESEN, Rik | - |
dc.contributor.author | Depuydt, Daphne | - |
dc.contributor.author | Binnemans, Koen | - |
dc.contributor.author | AMELOOT, Marcel | - |
dc.contributor.author | De Vos, Dirk E. | - |
dc.contributor.author | Ameloot, Rob | - |
dc.date.accessioned | 2015-02-09T10:50:51Z | - |
dc.date.available | 2015-02-09T10:50:51Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | CHEMSUSCHEM, 8 (1), p. 82-86 | - |
dc.identifier.issn | 1864-5631 | - |
dc.identifier.uri | http://hdl.handle.net/1942/18298 | - |
dc.description.abstract | Amorphization of cellulose by swelling in ionic liquid (IL)/water mixtures at room temperature is a suitable alternative to the dissolution-precipitation pretreatment known to facilitate enzymatic digestion. When soaking microcrystalline cellulose in the IL 1-ethyl-3-methylimidazolium acetate containing 20 wt% water, the crystallinity of the cellulose sample is strongly reduced. As less than 4% of the cellulose dissolves in this mixture, this swelling method makes a precipitation step and subsequent energy-intensive IL purification redundant. Secondharmonic generation (SHG) microscopy is used as a structuresensitive technique for in situ monitoring of the changes in cellulose crystallinity. Combined optical and SHG observations confirm that in the pure IL complete dissolution takes place, while swelling without dissolution in the optimal IL/water mixture yields a solid cellulose with a significantly reduced crystallinity in a single step. | - |
dc.description.sponsorship | This project was supported by the Interuniversity Attraction Poles Programme (P7/05) initiated by the Belgian Science Policy Office, the KU Leuven (IOF-KP CO2IL and the Methusalem program), the IWT Flanders (SBO-project "MAPIL"), the FWO Flanders (Research Community "Ionic Liquids" and a fellowship for R.A.) and the Province of Limburg (tUL IMPULS FASE II, allowing for the upgrading of the laser source used in this work). Support by Io-LiTec is also acknowledged. | - |
dc.language.iso | en | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.rights | © 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim | - |
dc.subject.other | biomass; cellulose; ionic liquids; spectroscopy; sustainable chemistry | - |
dc.title | Cellulose Amorphization by Swelling in Ionic Liquid/Water Mixtures: A Combined Macroscopic and Second-Harmonic Microscopy Study | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 86 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 82 | - |
dc.identifier.volume | 8 | - |
local.format.pages | 5 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Glas, Daan; De Vos, Dirk E.; Ameloot, Rob] Katholieke Univ Leuven, Dept Microbial & Mol Syst, Ctr Surface Chem & Catalysis, B-3001 Leuven, Belgium. [Paesen, Rik; Ameloot, Marcel] Hasselt Univ, Biomed Res Inst, B-3590 Diepenbeek, Belgium. [Depuydt, Daphne; Binnemans, Koen] Katholieke Univ Leuven, Dept Chem, Div Mol Design & Synth, B-3001 Leuven, Belgium. | - |
local.publisher.place | WEINHEIM | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.identifier.doi | 10.1002/cssc.201402776 | - |
dc.identifier.isi | 000347541700009 | - |
item.validation | ecoom 2016 | - |
item.fulltext | With Fulltext | - |
item.fullcitation | Glas, Daan; PAESEN, Rik; Depuydt, Daphne; Binnemans, Koen; AMELOOT, Marcel; De Vos, Dirk E. & Ameloot, Rob (2015) Cellulose Amorphization by Swelling in Ionic Liquid/Water Mixtures: A Combined Macroscopic and Second-Harmonic Microscopy Study. In: CHEMSUSCHEM, 8 (1), p. 82-86. | - |
item.accessRights | Restricted Access | - |
item.contributor | Glas, Daan | - |
item.contributor | PAESEN, Rik | - |
item.contributor | Depuydt, Daphne | - |
item.contributor | Binnemans, Koen | - |
item.contributor | AMELOOT, Marcel | - |
item.contributor | De Vos, Dirk E. | - |
item.contributor | Ameloot, Rob | - |
crisitem.journal.issn | 1864-5631 | - |
crisitem.journal.eissn | 1864-564X | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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82_ftp.pdf Restricted Access | 1.02 MB | Adobe PDF | View/Open Request a copy |
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