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01.06.2008

Tosylation and acylation of cellulose in 1-allyl-3-methylimidazolium chloride

verfasst von: Mari Granström, Jari Kavakka, Alistair King, Johanna Majoinen, Valtteri Mäkelä, Juho Helaja, Sami Hietala, Tommi Virtanen, Sirkka-Liisa Maunu, Dimitris S. Argyropoulos, Ilkka Kilpeläinen

Erschienen in: Cellulose | Ausgabe 3/2008

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Abstract

Tosylation and acylation of cellulose were performed under mild reaction conditions using imidazolium based ionic liquids (ILs) as solvents. The non-degradative nature, lower viscosity, as well as higher solubility of cellulose in [amim]Cl encouraged us to carry out the reactions in this media. The reactions described here were optimised for this particular solvent in order to obtain different cellulose derivatives with high yields, homogeneity and degree of substitution (DS). Two reagents employed for the in situ activation of carboxylic acids were N,N′-carbonyldiimidazole (CDI) and 1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride (EDCI). Final products were characterised by solution and solid-state NMR techniques.

Vorheriger Artikel Cytocompatibility of surface ground PE doped with calcium salt of 6-carboxycellulose

Nächster Artikel Oxidation and sulfonation of cellulosics

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Titel: Tosylation and acylation of cellulose in 1-allyl-3-methylimidazolium chloride
verfasst von: Mari Granström
Jari Kavakka
Alistair King
Johanna Majoinen
Valtteri Mäkelä
Juho Helaja
Sami Hietala
Tommi Virtanen
Sirkka-Liisa Maunu
Dimitris S. Argyropoulos
Ilkka Kilpeläinen
Publikationsdatum: 01.06.2008
Verlag: Springer Netherlands
Erschienen in: Cellulose / Ausgabe 3/2008
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI: https://doi.org/10.1007/s10570-008-9197-5

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