Individualization of Nano-Sized Plant Cellulose Fibrils by Direct Surface Carboxylation Using TEMPO Catalyst under Neutral Conditions

Saito, Tsuguyuki; Hirota, Masayuki; Tamura, Naoyuki; Kimura, Satoshi; Fukuzumi, Hayaka; Heux, Laurent; Isogai, Akira

doi:10.1021/bm900414t

Public

Individualization of Nano-Sized Plant Cellulose Fibrils by Direct Surface Carboxylation Using TEMPO Catalyst under Neutral Conditions

Published in Biomacromolecules • May 15, 2009

Authors:

Tsuguyuki Saito

Masayuki Hirota

Naoyuki Tamura

Abstract

A new catalytic oxidation using 2,2,6,6-tetramethylpiperidinyl-1-oxyl (TEMPO) and NaClO is applied to hardwood cellulose in water at 60 °C and pH 6.8 with NaClO(2) used as a primary oxidant. The oxidized celluloses with carboxylate content of approximately 0.8 mmol/g were convertible to highly cryst...

Subject

Cellulose

Carboxylate

Catalysis

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