Multifunctional Hybrid Nanocomposites with Magnetically Controlled Reversible Shape–Memory Effect

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Abstract

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Magneto-sensitivity and a thermo-sensitive reversible shape–memory effect have been successfully integrated into a hybrid nanocomposite, resulting in a magnetically controlled actuator. The complex requirements for gaining this multifunctionality are fulfilled by combining netpoints on the molecular and nano level in a polyesterurethane network prepared from hydroxyl group decorated magnetic nanoparticles, crystallizable star-shaped poly(ω-pentadecalactone) precursors, and a diisocyanate.

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