Preparation and Properties of Glycerol Plasticized-Corn Starch/Nanoparticles Bionan°Composites

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Abstract:

A bionanocomposite was cast using Ni, TiO2 and ZnO nanoparticles stabilized by soluble starch (nanoNi, nanoTiO2 and nanoZnO) as filler in a glycerol plasticized-pea starch (GPS) matrix. Fourier-transform infrared spectroscopy (FT-IR) and transmission electron microscopy (TEM) results show that nanoparitlces were about 20 nm. In GPS/nanoparticles nanocomposites, loading a low level of nanoparticles improved the mechanical properties. When the nanoparticle content varied from 0 to 4 wt%, the tensile yield strength containing nanoNi, nanoTiO2 and nanoZnO from 2.08 to 4.05, 8.23 and 11.31 MPa; Young’s modulus increased, from 22.3 to 89.1, 212.6 and 243.5 MPa respectively. The improvement in these properties may be attributed to the interaction between the nanoparticle filler and GPS matrix.

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Periodical:

Advanced Materials Research (Volumes 1033-1034)

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724-727

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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