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. 2019 Jun 29;11(7):1103. doi: 10.3390/polym11071103

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Fourier transform infrared spectroscopy (FT-IR) results for alumina particles used in this study: Pristine alumina (PAl₂O₃) and alumina treated with γ-aminopropyltriethoxysilane (APTES) (TAl₂O₃).