Journal
GELS
Volume 3, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/gels3040040
Keywords
hydrogel; N-isopropylacrylamide; LCST
Categories
Funding
- National Institute of Environmental Health Sciences (NIEHS) [P42ES007380]
- National Science Foundation REU Program [EEC-1460486]
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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.
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