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01-09-2011 | Original Paper

The effect of thermoplastic starch on the properties of HDPE/TPS blends during UV-accelerated aging

Authors: M. L. Méndez-Hernández, C. S. Tena-Salcido, Z. Sandoval-Arellano, M. C. González-Cantú, M. Mondragón, F. J. Rodríguez-González

Published in: Polymer Bulletin | Issue 5/2011

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Abstract

The influence of thermoplastic starch (TPS) on the properties of UV-irradiated TPS/high-density polyethylene (HDPE) blends was investigated. Changes in chemical structure, molecular weight, crystallinity, and mechanical properties, as a function of exposure time, were determined using FTIR-spectroscopy, gel permeation chromatography (GPC), differential scanning calorimetry (DSC), and tensile tests. The inclusion of TPS influence neither the evolution of carbonyl index nor the molecular weight reduction of HDPE/TPS. In contrast, the presence of TPS in the blends increased the fusion enthalpy because of starch retrogradation. This increasing resulted in a corresponding increase of Young’s modulus of HDPE/TPS blends.

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Title: The effect of thermoplastic starch on the properties of HDPE/TPS blends during UV-accelerated aging
Authors: M. L. Méndez-Hernández
C. S. Tena-Salcido
Z. Sandoval-Arellano
M. C. González-Cantú
M. Mondragón
F. J. Rodríguez-González
Publication date: 01-09-2011
Publisher: Springer-Verlag
Published in: Polymer Bulletin / Issue 5/2011
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI: https://doi.org/10.1007/s00289-011-0501-4

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