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Development of electrospun photocatalytic TiO2-polyamide-12 nanocomposites

23-Aug-2015 | Author(s): E. Cossich, R. Bergamasco, M.T. Pessoa de Amorim, P.M. Martins, J. Marques, C.J. Tavares, S. ..., Materials Chemistry and Physics, 2015

Publication date: Available online 21 August 2015 Source:Materials Chemistry and Physics Author(s): E. Cossich, R. Bergamasco, M.T. Pessoa de Amorim, P.M. Martins, J. Marques, C.J. Tavares, S. Lanceros-Méndez, V. Sencadas Titanium dioxide (TiO2) in different forms such as ...

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Preparation and characterization of magnetite–PDMS composites by magnetic induction heating

23-Aug-2015 | Author(s): Mohamed S.A. Darwish, Ivan Stibor, Materials Chemistry and Physics, 2015

Publication date: Available online 21 August 2015 Source:Materials Chemistry and Physics Author(s): Mohamed S.A. Darwish, Ivan Stibor Magnetic induction heating was used to produce magnetite–Poly (dimethylsiloxane) (PDMS) composites in the presence of the magnetite nanoparticles. ...

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Novel Cross‐linked Superfine Alginate‐Based Nanofibers: Fabrication, Characterization, and Their Use in the Adsorption of Cationic and Anionic Dyes

21-Aug-2015 | MOZHDEH GHANI, BABAK REZAEI, ALIAKBAR GHARE AGHAJI, MOKHTAR ARAMI, Advances in Polymer Technology, 2015

ABSTRACT In this study, fabrication, characterization, and adsorption properties of alginate (Alg)‐based nanofibrous membrane were investigated for two categories of anionic (AR14) and cationic (BB41) dyes. Three optimization steps were performed to achieve the membrane enjoying desirable ...

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Synthesis, Characterization, and Electrospinning of Calcium‐Containing Polyurethane Urea

21-Aug-2015 | PRIYA A. NAIR, RAMESH PARAMESWARAN, Advances in Polymer Technology, 2015

ABSTRACT Calcium‐containing segmented polyurethane urea was synthesized using a calcium salt of p‐aminobenzoic acid, polytetramethylene glycol, and 4,4′‐methylene bis(cyclohexyl isocyanate) and thereafter fabricated into three‐dimensional scaffolds for the use in biomedical applications. ...

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Materials, Vol. 8, Pages 5467-5478: Fabrication of CH3NH3PbI3/PVP Composite Fibers via Electrospinning and Deposition

21-Aug-2015 | Chao, Li-Min ; Tai, Ting-Yu ; Chen, Yueh-Ying ; Lin, Pei-Ying ; Fu, Yaw-Shyan, Materials, 2015

In our study, one-dimensional PbI2/polyvinylpyrrolidone (PVP) composition fibers have been prepared by using PbI2 and PVP as precursors dissolved in N,N-dimethylformamide via a electrospinning process. Dipping the fibers into CH3NH3I solution changed its color, indicating the formation of ...

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Chiral Cyclobutane β-Amino Acid-Based Amphiphiles: Influence of Cis/Trans Stereochemistry on Solution Self-Aggregation and Recognition

21-Aug-2015 | Alessandro Sorrenti; Ona Illa; Ramon Pons; Rosa M. Ortuño, Langmuir, 2015

Novel diastereomeric anionic amphiphiles based on the rigid cyclobutane β-amino acid scaffold have been synthesized and deeply investigated with the aim of generating new functional supramolecular architectures on the basis of the rational design of original amphiphilic molecules and the control ...

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Controlled growth of PbI2 nanoplates for rapid preparation of CH3NH3PbI3 in planar perovskite solar cells

19-Aug-2015 | Fan Fu, Lukas Kranz, Songhak Yoon, Johannes Löckinger, Timo Jäger, Julian Perrenoud, Thomas Feurer, Christina Greten ..., physica status solidi (a), 2015

Absorbers for planar perovskite solar cells are often prepared by two‐step deposition methods, where a thick compact PbI2 layer is deposited followed by conversion to perovskite using CH3NH3I solution. The surface of the precursor layer quickly reacts with the CH3NH3I solution, which hinders ...

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Surface modification of TiO2 nanoparticles and preparation of TiO2/PDMS hybrid membrane materials

19-Aug-2015 | Tianjian Yang, Shoushan Sang, Xiao Zhao, Ziyong Zhang, Huaxin Rao, Polymer Composites, 2015

TiO2 nanoparticles were surface‐modified by a convenient and mild sol–gel method. A novel hybrid membrane material was prepared by crosslinking reaction based on poly(dimethylsiloxane) (PDMS) as organic matrix and TiO2 nanoparticles as inorganic filler as well as a crosslinking agent. The ...

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Effective methodology for the production of novel nanocomposite films based on poly(vinyl chloride) and zinc oxide nanoparticles modified with green poly(vinyl alcohol)

19-Aug-2015 | Shadpour Mallakpour, Mashal Javadpour, Polymer Composites, 2015

Ultrasonic irradiation and solution dispersion methods were used to organize transparent worthwhile poly(vinyl chloride) (PVC) nanocomposite (NC) films which contain different amounts of modified zinc oxide nanoparticles (NP)s. First, modification of ZnO NPs was accomplished by biocompatible ...

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Electric-Field-Induced Order–Order Transition from Hexagonally Perforated Lamellae to Lamellae

19-Aug-2015 | Christian W. Pester; Kristin Schmidt; Markus Ruppel; Heiko G. Schoberth; Alexander Böker, Macromolecules, 2015

Block copolymers form a variety of microphase morphologies due to their ability to phase separate. The hexagonally perforated lamellar (HPL) morphology represents an unusually long-lived, nonequilibrium transient structure between lamellar and cylindrical phases. We present a detailed study of a ...

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