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Zwitterionic Acetylated Cellulose Nanofibrils.


ABSTRACT: A strategy is devised to synthesize zwitterionic acetylated cellulose nanofibrils (CNF). The strategy included acetylation, periodate oxidation, Schiff base reaction, borohydride reduction, and a quaternary ammonium reaction. Acetylation was performed in glacial acetic acid with a short reaction time of 90 min, yielding, on average, mono-acetylated CNF with hydroxyl groups available for further modification. The products from each step were characterized by FTIR spectroscopy, ?-potential, SEM-EDS, AFM, and titration to track and verify the structural changes along the sequential modification route.

SUBMITTER: Rostami J 

PROVIDER: S-EPMC6749602 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Zwitterionic Acetylated Cellulose Nanofibrils.

Rostami Jowan J   Mathew Aji P AP   Edlund Ulrica U  

Molecules (Basel, Switzerland) 20190829 17


A strategy is devised to synthesize zwitterionic acetylated cellulose nanofibrils (CNF). The strategy included acetylation, periodate oxidation, Schiff base reaction, borohydride reduction, and a quaternary ammonium reaction. Acetylation was performed in glacial acetic acid with a short reaction time of 90 min, yielding, on average, mono-acetylated CNF with hydroxyl groups available for further modification. The products from each step were characterized by FTIR spectroscopy, ζ-potential, SEM-ED  ...[more]

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