Abstract
A two step process was used for the modification of a cellulose/chitin mixed fibers: the first step was an alkali treatment with a NaOH solution (20 %), which was followed by the reaction with one of the reagents such as Nisopropylacrylamide, p-hydroxybenzoic acid, gallic acid, or eugenol. Both the samples activated with the alkali treatment and modified with chemicals were characterized by attenuated total reflectance Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy and thermal analysis. Results revealed the morphological and structural changes of the fiber surface after the surface grafting, which significantly altered the cellulose/chitin mixed fiber properties. Thermal analysis results showed an increase in the thermal stability of the treated samples. Antioxidant activity of cellulose/chitin mixed fibers modified with phenolic compounds showed that the efficiency depends on the chemical nature of phenolic compound.
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Irimia, A., Csiszar, E., Coroabă, A. et al. Mercerization mediated modification of cellulosic fibers with NIPAAm and some compounds with antioxidant activity. Fibers Polym 17, 1569–1578 (2016). https://doi.org/10.1007/s12221-016-5872-6
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DOI: https://doi.org/10.1007/s12221-016-5872-6