We developed a light-mediated, surface modification technique to encapsulate hydrogels in covalently bound, hydrophobic polymer coatings. Poly(acrylic acid) (PAA) hydrogel surfaces were photocatalytically decarboxylated and subsequently decorated with hydrophobic polyacrylates. These shell-encapsulated hydrogels exhibited excellent hydrophobicities and anti-swelling behaviors relative to unmodified PAA hydrogels.
Y. Zhao, C. B. Eades, P. Yu, X. Li, X. Li and B. S. Sumerlin, Chem. Commun., 2026, Accepted Manuscript , DOI: 10.1039/D6CC00575F
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