**Author details**

Lebogang Katata-Seru1 \*, Bathabile Ramalapa<sup>2</sup> and Lesego Tshweu2

1 Department of Chemistry, School of Physical and Chemical Sciences, North-West University, Mmabatho, South Africa

2 Polymer and Composites, CSIR Materials Science and Manufacturing, Pretoria, South Africa

\*Address all correspondence to: lebo.seru@nwu.ac.za

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
