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      Synthesis of a Conducting Nanocomposite by Intercalative Copolymerisation of Furan and Aniline in Montmorillonite

      1 , 1 , , 1 , *

      International Polymer Processing

      Carl Hanser Verlag

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          Abstract

          Herein, we describe the synthesis of polyfuran, polyaniline, and their copolymer nanocomposites by in-situ oxidative polymerisation of corresponding monomers in the presence of montmorillonite, using ammonium persulfate as an oxidant. The obtained nanocomposites were characterised by Fourier-transform infrared spectroscopy, X-ray diffraction analysis, and UV-vis spectroscopy.

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          Most cited references 19

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          Polyfuran conducting polymers: Synthesis, properties, and applications

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            Strong Adsorbability of Mercury Ions on Aniline/Sulfoanisidine Copolymer Nanosorbents

            The highest Hg-ion adsorbance so far, namely up to 2063 mg g(-1), has been achieved by poly(aniline-co-5-sulfo-2-anisidine) nanosorbents. Sorption of Hg ions occurs mainly by redox and chelation mechanisms (see scheme), but also by ion exchange and physisorption.Poly(aniline (AN)-co-5-sulfo-2-anisidine (SA)) nanoparticles were synthesized by chemical oxidative copolymerization of AN and SA monomers, and their extremely strong adsorption of mercury ions in aqueous solution was demonstrated. The reactivity ratios of AN and SA comonomers were found to be 2.05 and 0.02, respectively. While AN monomer tends to homopolymerize, SA monomer tends to copolymerize with AN monomer because of the great steric hindrance and electron-attracting effect of the sulfo groups, despite the effect of conjugation of the methoxyl group with the benzene ring. The effects of initial mercury(II) concentration, sorption time, sorption temperature, ultrasonic treatment, and sorbent dosage on mercury-ion sorption onto AN/SA (50/50) copolymer nanoparticles with a number-average diameter of around 120 nm were significantly optimized. The results show that the maximum Hg-ion sorption capacity on the particulate nanosorbents can even reach 2063 mg of Hg per gram of sorbent, which would be the highest Hg-ion adsorbance so far. The sorption data fit to the Langmuir isotherm, and the process obeys pseudo-second-order kinetics. The IR and UV/Vis spectral data of the Hg-loaded copolymer particles suggest that some mercury(II) was directly reduced by the copolymer to mercury(I) and even mercury(0). A mechanism of sorption between the particles and Hg ions in aqueous solution is proposed, and a physical/ion exchange/chelation/redox sorption ratio of around 2/3/45/50 was found. Copolymer nanoparticles may be one of the most powerful and cost-effective sorbents of mercury ions, with a wide range of potential applications for the efficient removal and even recovery of the mercury ions from aqueous solution.
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              Ultrasensitive Pb(II) Potentiometric Sensor Based on Copolyaniline Nanoparticles in a Plasticizer-Free Membrane with a Long Lifetime

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                Author and article information

                Journal
                ipp
                International Polymer Processing
                Carl Hanser Verlag
                0930-777X
                2195-8602
                11 August 2017
                : 32
                : 4
                : 515-518
                Affiliations
                1 Mascara University, Laboratory of Organic, Macromolecular and Materials Chemistry, Faculty of Sciences, Mascara, Algeria
                Author notes
                [* ] Correspondence address, Mail address: Ahmed Yahiaoui, Mascara University, Laboratory of Organic, Macromolecular and Materials Chemistry, Faculty of Sciences, BP 763, Mascara 29000, Algeria, E-mail: yahmeddz@ 123456yahoo.fr
                Article
                IPP3419
                10.3139/217.3419
                © 2017, Carl Hanser Verlag, Munich
                Page count
                References: 20, Pages: 4
                Product
                Self URI (journal page): http://www.hanser-elibrary.com/loi/ipp
                Categories
                Regular Contributed Articles

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