. 2020 Dec 19;12(12):3053. doi: 10.3390/polym12123053
© 2020 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/).
Scheme 1.
The chemical structure of bisphenols and PET.