4.6 Article

Sustainable High Yield Route to Cellulose Nanocrystals from Bacterial Cellulose

Journal

ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 7, Issue 17, Pages 14384-14388

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.9b04005

Keywords

Colloidal dispersion; Gaseous acid; Hydrolysis; Nanocellulose; TEMPO-oxidation

Funding

  1. Academy of Finland [300364]
  2. Academy of Finland (AKA) [300364, 300364] Funding Source: Academy of Finland (AKA)

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HCl gas hydrolysis of a bacterial cellulose (BC) aerogel followed by 2,2,6,6-tetramethylpiperidine-1-oxyl radical-mediated oxidation was used to produce hydrolyzed BC with carboxylate groups, which subsequently disintegrated into a stable dispersion of cellulose nanocrystals (CNCs). The degree of polymerization was successfully reduced from 2160 to 220 with a CNC yield of >80%.

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