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Bacterial cellulose nanocrystals produced under different hydrolysis conditions: properties and morphological features

  • Vasconcelos, Niédja Fittipaldi; Feitosa, Judith Pessoa Andrade; Gama, F. Miguel; Morais, João Paulo Saraiva; Andrade, Fábia Karine; Filho, Men de Sá Moreira de Souza; Rosa, Morsyleide de Freitas
  • Carbohydrate Polymers, 155, 425-431, 2017

Publisher: Elsevier

Abstract

Bacterial cellulose (BC) is a polymer with interesting physical properties owing to the regular and uniform structure of its nanofibers, which are formed by amorphous (disordered) and crystalline (ordered) regions. Through hydrolysis with strong acids, it is possible to transform BC into a stable suspension of cellulose nanocrystals, adding new functionality to the material. The aim of this work was to evaluate the effects of inorganic acids on the production of BC nanocrystals (BCNCs). Acid hydrolysis was performed using different H2SO4 concentrations and reaction times, and combined hydrolys ...

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