Analysis of Protein/Clay Nano-Biocomposites Systems

Part of the Green Energy and Technology book series (GREEN)


Plant protein-based clay nano-biocomposites were analyzed through a series of material characterization technologies including x-ray diffraction (XRD), transmission electron microscopy (TEM), dynamic mechanical analysis (DMA), differential scanning calorimetry (DSC) and high-resolution solid-state nuclear magnetic resonance (NMR) spectroscopy. Efficient dispersion of nanoclay in soy proteins or wheat gluten matrix was achieved via ultra-sonication treatment of the clay nanoparticles in plasticizers or using chemically modified clay nano particles. The dispersion status of the nanoclay in the composites were examined by XRD and TEM respectively and correlated to the changes in molecular motions and glass transitions of the protein matrixes to explore the effect derived from the nanoclay particles. High-resolution solid-state NMR further provides the interaction between the nanoclay and each component in the wheat gluten matrix, and the whole phase structures of the protein matrix. To correlate these results to the physical properties of the nanocomposites is fundamental to understand the performance of the systems and design new protein clay nanocomposites.


Dynamic Mechanical Analysis Magic Angle Spin Clay Platelet Clay Dispersion Clay Nanocomposites 
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Copyright information

© Springer-Verlag London 2012

Authors and Affiliations

  1. 1.CSIRO Materials Science and EngineeringClaytonAustralia

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