Properties of Thermoplastic Corn Starch Based Green Composites Reinforced with Barley (Hordeum vulgare L.) Straw Particles Obtained by Thermal Compression 


Vol. 19,  No. 9, pp. 1970-1979, Sep.  2018
10.1007/s12221-018-8023-4


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  Abstract

Currently, greater environmental awareness promotes research and development advances in biodegradable materials; they represent an alternative that decreases the environmental impact caused by traditional synthetic plastics. This study consists of the development and characterization of thermoplastic corn starch-based composites, reinforced with barley straw particles made by thermal compression. The study materials were prepared by using three particle concentrations (5, 10, and 15 %), while the matrix (0 %) was used as a reference. A mechanical evaluation of all samples was carried out, as well as that of their water absorption properties. They were also characterized by scanning electron microscopy (SEM), infrared spectroscopy (FTIR), X-ray diffraction (XRD), and flammability tests. The inclusion of straw in the thermoplastic matrix increased water absorption and quickened carbon formation, although it also increased its tensile strength (7 MPa) and the Young셲 modulus of activity (MOE) (420 MPa) with a 15 % reinforcement. The FTIR analysis highlights the presence of a carbonyl signal (1720 cm-1) caused by a thermal breakdown (caramelization) linked to barley particles. Moreover, X-ray diffraction demonstrated a VA-type crystallinity pattern (anhydrous) within the biocomposites and an increase of the crystallinity index, through incorporating barley particles in the thermoplastic corn starch-based matrix.

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  Cite this article

[IEEE Style]

J. A. Silva-Guzman, R. R. Anda, F. J. Fuentes-Talavera, R. Manriquez-Gonzalez, M. G. Lomeli-Ramirez, "Properties of Thermoplastic Corn Starch Based Green Composites Reinforced with Barley (Hordeum vulgare L.) Straw Particles Obtained by Thermal Compression," Fibers and Polymers, vol. 19, no. 9, pp. 1970-1979, 2018. DOI: 10.1007/s12221-018-8023-4.

[ACM Style]

Jose Antonio Silva-Guzman, Raul Rodriguez Anda, Francisco Javier Fuentes-Talavera, Ricardo Manriquez-Gonzalez, and Maria Guadalupe Lomeli-Ramirez. 2018. Properties of Thermoplastic Corn Starch Based Green Composites Reinforced with Barley (Hordeum vulgare L.) Straw Particles Obtained by Thermal Compression. Fibers and Polymers, 19, 9, (2018), 1970-1979. DOI: 10.1007/s12221-018-8023-4.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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