Preparation and Properties of Glycerol Plasticized-Corn Starch/Titanium Dioxide-Starch Bionanocomposites

Chun Rong Wang; Xian Zai Yan; Li Li Yu; Rong Fang

doi:10.4028/www.scientific.net/AMR.997.480

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 997Preparation and Properties of Glycerol...

Preparation and Properties of Glycerol Plasticized-Corn Starch/Titanium Dioxide-Starch Bionanocomposites

Abstract:

A bionanocomposite was cast using TiO₂ nanoparticles stabilized by soluble starch (nanoTiO₂) as filler in a glycerol plasticized-pea starch (GPS) matrix. Fourier-transform infrared spectroscopy (FT-IR) and transmission electron microscopy (TEM) results show that TiO₂ nanoparitlces were encapsulated by starch partly in nanoTiO₂ particles of about 20 nm. In GPS/nanoTiO₂ nanocomposites, loading a low level of nanoTiO₂ particles improved the mechanical properties When the nanoTiO₂ content varied from 0 to 4 wt%, the tensile yield strength and Young’s modulus increased from 2.11 to 8.35 MPa and from 21.3 to 211.6 MPa respectively. The improvement in these properties may be attributed to the interaction between the nanoTiO₂ filler and GPS matrix.

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Periodical:

Advanced Materials Research (Volume 997)

Pages:

480-483

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.997.480

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Online since:

August 2014

Authors:

Chun Rong Wang*, Xian Zai Yan, Li Li Yu, Rong Fang

Keywords:

Nanocomposite, Starch, Titanium Dioxide

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