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    A Patterned Butyl Methacrylate-co-2-Hydroxyethyl Acrylate Copolymer with Softening Surface and Swelling Capacity

    Year: 2019

    Journal: Polymers, Volume 11, FEB

    Authors: Leon-Boigues, Laia; von Bilderling, Catalina; Pietrasanta, Lia I.; Azzaroni, Omar; Giussi, Juan M.; Mijangos, Carmen

    Organizations: Ministerio de Economia y Competitividad from Spain [MAT2017-83014-C2-2-P, MAT 2014-53437-C2-1P]; Agencia Nacional de Promocion Cientifica y Tecnologica [PICT-2013-0905, PICT-2015-0346]; Universidad Nacional de La Plata (PPID-2018) from Argentina

    Keywords: anodic aluminum oxide template; free radical copolymerization; swelling and mechanical properties

    The tunable swelling and mechanical properties of nanostructures polymers are crucial parameters for the creation of adaptive devices to be used in diverse fields, such as drug delivery, nanomedicine, and tissue engineering. We present the use of anodic aluminum oxide templates as a nanoreactor to copolymerize butyl methacrylate and 2-hydroxyethyl acrylate under radical conditions. The copolymer obtained under confinement showed significant differences with respect to the same copolymer obtained in bulk conditions. Molecular weights, molecular weight dispersities, Young's modulus, and wetting behaviors were significantly modified. The combination of selected monomers allowed us to obtain nanopillar structures with an interesting softening surface and extraordinary swelling capacity that could be of special interest to surface science and specifically, cell culture.
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