Journal
NANOSCALE
Volume 5, Issue 21, Pages 10207-10211Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr03456a
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Funding
- Engineering and Science Physical Sciences Research Council (ESPRC) [EP/J015687/1]
- Malaysian government from the Ministry of Science, Technology and Innovation [mosti/bmi/taji-3/2 jilid]
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Pyridinium-grafted-cellulose nanocrystals were prepared by a simple one-pot reaction using 4-(1-bromoethyl/bromomethyl)benzoic acid, pyridine and cellulose nanocrystals (CNCs). The grafting consists of an esterification reaction between 4-(1-bromoethyl/bromomethyl)benzoic acid and CNCs and a nucleophilic attack on the C-Br bond of 4-(1-bromoethyl/bromomethyl)benzoic acid by pyridine. This reaction simplifies existing cationization methods, which leads to a higher grafting density while retaining the CNC crystallinity.
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