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Nanocomposites of Cellulose Acetate Butyrate Reinforced with Cellulose Nanocrystals

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Abstract

Nanocrystals were prepared by acid hydrolysis of bacterial cellulose microfibrils. These were topochemically trimethylsilylated, in an attempt to reduce their hydrophilicity. Composites were made by dispersing either native or silylated crystals in cellulose acetatebutyrate matrixes and solution casting of the dispersions. Particles were characterized by transmission electron microscopy. The composites were characterized by differential scanning calorimetry and dynamic mechanical analysis. The unmodified cellulose crystals exhibited better reinforcement characteristics than the trimethylsilated crystals.

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Authors and Affiliations

  1. Pulp and Paper Research Centre, McGill University, 3420 University Street, Montreal, QC, Canada, H3A 2A7

    Maren Grunert

  2. Cellulose Research Institute and Department of Chemistry, SUNY College of Environmental Science and Forestry, Syracuse, New York, 13210

    William T. Winter

Authors
  1. Maren Grunert
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  2. William T. Winter
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Correspondence to William T. Winter.

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Grunert, M., Winter, W.T. Nanocomposites of Cellulose Acetate Butyrate Reinforced with Cellulose Nanocrystals. Journal of Polymers and the Environment 10, 27–30 (2002). https://doi.org/10.1023/A:1021065905986

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  • DOI: https://doi.org/10.1023/A:1021065905986

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