J Polym Environ (2018) 26:636–646 DOI 10.1007/s10924-017-0960-2 ORIGINAL PAPER Preparation and Characterization of New Environmental Functional Polymers Based on Vanillin and N- isopropylacrylamide for Post Polymerization Momen S. A. Abdelaty Published online: 6 March 2017 © Springer Science+Business Media New York 2017 Abstract The study aims to synthetize a new functional and polydispersity; DSC for glass temperature of solid acrylate monomer from vanillin in one step reaction. The polymers; XRD for crystallinity. UV–Vis Spectroscopy new monomer has called by vanillin acrylate and abbrevi- was used for the determination of phase separation or the ated (VA). It was confirmed by chemical methods 1H NMR, lower critical solution temperature (Tc) of polymers solu- 13C, IR and UV indicated logic results. The homopolymer tion before and after grafting, not only in deionized water has been prepared by free radical polymerization and char- but in pH 5 and pH 11. acterized chemically and physically, the HNMR and IR Graphical Abstract Synthesis of new functional mono- have proofed the presence of aldehyde group in the polymer mer based on vanillin in one step reaction. Monomer has main chain. This monomer was used to synthesize three been successfully polymerized by free radical polymeriza- different molar concentrations of temperature responsive tion using AIBN
Journal of Polymers and the Environment – Springer Journals
Published: Mar 6, 2017
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