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Tailoring the Properties of Thermoplastic Starch with Bamboo Powder and/or Hollow Glass Microspheres

Liliane Cruz Gomes de Souza Santos1*, Eliane Ayres2, Flávio Renato de Góes Padula1

Department of Materials, Federal Center of Technological Education (CEFET-MG), Av. Amazonas, Belo Horizonte, MG, Brazil
Department of Materials, Technologies and Processes, School of Design, Minas Gerais State University (UEMG), Avenida Antônio Carlos, Belo Horizonte, Brazil

*Corresponding author:

Journal of Renewable Materials 2017, 5(3-4), 307-312.


In this study, bamboo powder and/or hollow glass microspheres were added to thermoplastic cassava starch in order to overcome its drawbacks. The composites were characterized by scanning electron microscopy (SEM), tensile testing, water contact angle measurement and X-ray diffractometry (XRD), in addition to their thermal properties. The mechanical strength of the composites showed a general decline with increasing bamboo powder content while the water contact angles increased up to 15% of bamboo powder content (% w/w dry starch). The addition of hollow glass microspheres provides an optimal balance between hydrophobicity and mechanical strength. The results pointed to improved properties that are expected to make thermoplastic starch more attractive and hence more competitive with synthetic polymers.


Cite This Article

Cruz, L., Ayres, E., Renato, F. (2017). Tailoring the Properties of Thermoplastic Starch with Bamboo Powder and/or Hollow Glass Microspheres. Journal of Renewable Materials, 5(3-4), 307–312.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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