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. 2020 Jun 2;13(11):2530. doi: 10.3390/ma13112530

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© 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/).

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(a) FTIR confirming presence of the individual component in the copolymer, (b) grafting of the copolymers analyzed via TGA: Representative degradation profiles of hydrogel with varied Cs% showed two transition phases (typical of pure Cs and PNIPAAm). Mass remaining at 600 °C was attributed to Cs component and the mass % of Cs component from TGA corresponded to Cs utilized during hydrogel synthesis. Insert shows grafting efficiency and Cs context calculated with weight remaining at 600 °C.