Thermoplastic nanocomposite material based on nanocrystalline cellulose (NCC)
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United States of America Patent
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Jan 8, 2013
Grant Date -
Aug 18, 2011
app pub date -
Feb 1, 2011
filing date -
Feb 18, 2010
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Abstract
A green approach for the development of nanocomposite materials comprising nanocrystalline cellulose (NCC) and appropriate vinyl polymers is conceived. The approach deals with the in-situ graft co-polymerization of hydrophobic vinyl monomers, such as vinyl acetate and methyl methacrylate, onto the NCC surface in an aqueous medium. The resulting material is significantly more hydrophobic and thermally stable than the starting NCC. The nanocomposite material can be suspended in appropriate solvents, dried and molded with other materials using conventional polymer processing techniques to develop yet new materials with new characteristics. These nanocomposites have wide ranging applications from industrial to medical use.
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