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Open AccessArticle

Development of Novel N-isopropylacrylamide (NIPAAm) Based Hydrogels with Varying Content of Chrysin Multiacrylate

Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA
Superfund Research Center, University of Kentucky, Lexington, KY 40506, USA
Author to whom correspondence should be addressed.
Received: 20 August 2017 / Revised: 9 October 2017 / Accepted: 11 October 2017 / Published: 22 October 2017
(This article belongs to the Special Issue Stimuli-Responsive Gels)
A series of novel temperature responsive hydrogels were synthesized by free radical polymerization with varying content of chrysin multiacrylate (ChryMA). The goal was to study the impact of this novel polyphenolic-based multiacrylate on the properties of N-isopropylacrylamide (NIPAAm) hydrogels. The temperature responsive behavior of the copolymerized gels was characterized by swelling studies, and their lower critical solution temperature (LCST) was characterized through differential scanning calorimetry (DSC). It was shown that the incorporation of ChryMA decreased the swelling ratios of the hydrogels and shifted their LCSTs to a lower temperature. Gels with different ChryMA content showed different levels of response to temperature change. Higher content gels had a broader phase transition and smaller temperature response, which could be attributed to the increased hydrophobicity being introduced by the ChryMA. View Full-Text
Keywords: hydrogel; N-isopropylacrylamide; LCST hydrogel; N-isopropylacrylamide; LCST
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MDPI and ACS Style

Tang, S.; Floy, M.; Bhandari, R.; Dziubla, T.; Hilt, J.Z. Development of Novel N-isopropylacrylamide (NIPAAm) Based Hydrogels with Varying Content of Chrysin Multiacrylate. Gels 2017, 3, 40.

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