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Alteration of the cellulose nanocrystal surface chemistry for guided formation of polymer brushes

Polymer Chemistry, ISSN: 1759-9962, Vol: 14, Issue: 18, Page: 2164-2173
2023
  • 8
    Citations
  • 0
    Usage
  • 9
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    8
    • Citation Indexes
      8
  • Captures
    9
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Studies from University of Queensland Have Provided New Data on Nanocrystals (Alteration of the Cellulose Nanocrystal Surface Chemistry for Guided Formation of Polymer Brushes)

2023 APR 11 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Current study results on Nanotechnology - Nanocrystals have been published.

Article Description

Grafting polymers using Surface-Initiated Atom Transfer Radical Polymerization (SI-ATRP) from cellulose nanocrystals (CNC) has proven to be an efficient technique for controlling the dispersion of CNC in non-polar solvents and hydrophobic polymer matrices and introducing desired properties of a polymer to CNC. A commonly described initial step to enable the grafting of polymers from CNC is through the esterification of cellulose with 2-bromoisobutyryl bromide (BiBB). Here we demonstrate an optimized approach for the esterification while controlling the degree of substitution of the BiBB initiator, maintaining the rod-like morphology, cellulose I structure, and minimal loss of the crystallinity index value. Understanding how reaction variables control and impact the characteristic properties of CNC and the degree of substitution will assist with tailoring the surface modification and, as a result, tuning the CNC-polymer brush systems properties for advanced applications across different industries, including flexible electronics and biomedical.

Bibliographic Details

Lauren Geurds; Katarzyna Kępa; Jan Lauko; Alan E. Rowan; Nasim Amiralian

Royal Society of Chemistry (RSC)

Chemical Engineering; Biochemistry, Genetics and Molecular Biology; Materials Science; Chemistry

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