Radiation – induced preparation of polyaniline/poly vinyl alcohol nanocomposites and their properties
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Hoda H. Saleh
und
Zakaria I. Ali
Abstract
Polyaniline (PANI) nanoparticles and PANI/poly vinyl alcohol (PVA) nanocomposite films were synthesized by the oxidative polymerization of aniline and ammonium peroxodisulfate (APS), as an oxidizing agent in aqueous medium. The PANI/PVA nanocomposite films were exposed to γ-irradiation after oxidative polymerization. Synthesized polyaniline (PANI) nanoparticles and PANI/PVA nanocomposite films were characterized by attenuated total reflectance infrared spectroscopy (FTIR-ATR), X-ray diffraction, high resolution scanning electron microscopy, (HRSEM) high resolution transmission electron microscopy, (HRTEM) and UV-VIS absorption spectroscopy. Energy band gap of PANI nanofibers was determined from Tauc’s plots which equal 4.2 eV. Scanning electron microscopy images show that chemically synthesized of polyaniline has nanofibers structure and irradiated PANI/PVA nanocomposite have a mixture of nanorod and nanosphere structures. The transmission electron microscopy show that chemically synthesized of polyaniline has average length in the range 34 ± 10 nm with less wide distribution, where as the irradiated PANI/PVA nanocomposite has coreshell structure.
Funding source: Science and Technology Development Fund
Award Identifier / Grant number: 6370
Funding statement: This work was funded by the Science and Technology Development Fund (STDF) in Egypt under the grant number (6370). The authors would like to thank the STDF for their fund.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
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- Polonium-210 in honey samples from southern Poland
- Molybdenum and lanthanum as alternate burn-up monitors – development of chromatographic and mass spectrometric methods for determination of atom percent fission
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- Radiation – induced preparation of polyaniline/poly vinyl alcohol nanocomposites and their properties
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Artikel in diesem Heft
- Frontmatter
- Thermodynamic description of U(VI) solubility and hydrolysis in dilute to concentrated NaCl solutions at T = 25, 55 and 80 °C
- Polonium-210 in honey samples from southern Poland
- Molybdenum and lanthanum as alternate burn-up monitors – development of chromatographic and mass spectrometric methods for determination of atom percent fission
- Removal of Cs-137 and Sr-90 from reactor actual liquid waste samples using a new synthesized bionanocomposite-based carboxymethylcellulose
- Radiation stability of phosphine oxide functionalized pillar[5]arenes
- Radiation – induced preparation of polyaniline/poly vinyl alcohol nanocomposites and their properties
- Irradiated rubber composite with nano and micro fillers for mining rock application
- Gamma-ray shielding parameters of Li2B4O7 glasses: undoped and doped with magnetite, siderite and Zinc-Borate minerals cases
