Journal
JOURNAL OF POLYMERS AND THE ENVIRONMENT
Volume 10, Issue 1-2, Pages 27-30Publisher
KLUWER ACADEMIC/PLENUM PUBL
DOI: 10.1023/A:1021065905986
Keywords
cellulose; nanocomposites; cellulose; cellulose acetatebutyrate; thermal analysis; dynamic mechanical analysis
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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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