Adsorption of polyethylene glycol (PEG) onto cellulose nano-crystals to improve its dispersity

In this work, the adsorption of polyethylene glycol onto cellulose nano-crystals was investigated for preparing re-dispersible dried CNC

Dong Cheng

2015

Scholarcy highlights

  • In this work, the adsorption of polyethylene glycol onto cellulose nano-crystals was investigated for preparing re-dispersible dried CNC
  • PEG1000 dosage of 5% was sufficient to enhance the re-dispersity of CNC
  • CNC crystallinity and thermal stability were not affected by the adsorption of PEG
  • Results showed that the re-dispersity of CNC in water can be significantly enhanced using a PEG1000 dosage of 5 wt%
  • The elemental analysis confirmed the adsorption of PEG onto the CNC surface
  • Thermo-gravimetric analysis and X-ray diffraction suggested that CNC crystallinity and thermal stability were not affected by the adsorption of PEG
  • The adsorption of polyethylene glycol has great potential for producing re-dispersible powder cellulose nano-crystals

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