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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 ...


Ultraviolet photopolymerization and performances of fast‐water absorbing sodium polyacrylate

21-Aug-2015 | Banugul Dolat, Amatjan Sawut, Mamatjan Yimit, Ismayil Nurulla, Journal of Applied Polymer Science, 2015

ABSTRACT A kind of fast‐water absorbing sodium polyacrylate was prepared by UV polymerization under no crosslinker or initiator condition. Influence of factors, such as exposure time, neutralization degree, polymerization temperature, and monomer concentration on the absorption rate of the ...


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 ...


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. ...


Sensitive Colorimetric Detection of Explosive 2,6‐Bis(picrylamino)pyridine after Preconcentration by Dispersive Liquid‐Liquid Microextraction

20-Aug-2015 | Arash Larki, Mehdi Rahimi Nasrabadi, Nahid Pourreza, Propellants, Explosives, Pyrotechnics, 2015

Abstract An experimental investigation for sensitive spectrophotometric detection of explosive, 2,6‐bis(picrylamino)pyridine (BPAP) using dispersive liquid‐liquid microextraction was carried out. Based on this procedure, which is a dispersive‐solvent‐free technique, the extractant is dispersed ...


Adsorptive removal of dyes from synthetic and real textile wastewater using magnetic iron oxide nanoparticles: Thermodynamic and mechanistic insights

20-Aug-2015 | Nashaat N. Nassar, Nedal N. Marei, Gerardo Vitale, Laith A. Arar, The Canadian Journal of Chemical Engineering, 2015

Abstract Magnetic iron‐oxide nanoparticles exhibit high efficiency in wastewater treatment for many important reasons, including that they can remove contaminants from wastewater rapidly owing to their high external surface area/unit mass and interstice reactivity. Additionally, this type of ...


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 ...


Assessment of the Role Played by N‐propanol Found in Postmortem Blood in the Discrimination Between Antemortem Consumption and Postmortem Formation of Ethanol Using Rats

18-Aug-2015 | Hao Liang, Shenyi Kuang, Lin Guo, Tianfang Yu, Yulan Rao, Journal of Forensic Sciences, 2015

Abstract This study disproves the reliability of n‐propanol as a biomarker to establish whether the ethanol found in postmortem blood is derived from antemortem ingestion or postmortem putrefactive processes. Two groups of rats were given ethanol or normal saline solution, respectively, and ...


Rapid and Facile Formation of P3HT Organogels via Spin Coating: Tuning Functional Properties of Organic Electronic Thin Films

18-Aug-2015 | Cameron S. Lee, Wen Yin, Adam P. Holt, Joshua R. Sangoro, Alexei P. Sokolov, Mark D. Dadmun, Advanced Functional Materials, 2015

Poly(3‐hexyl thiophene) (P3HT) is widely regarded as the benchmark polymer when studying the physics of conjugated polymers used in organic electronic devices. P3HT can self‐assemble via π–π stacking of its backbone, leading to an assembly and growth of P3HT fibrils into 3D percolating ...


Synthesis of poly(ethylene‐co‐vinyl alcohol)‐g‐polystyrene graft copolymer and their applications for ordered porous film and compatibilizer

18-Aug-2015 | Haotian Wu, Tao Jiang, Jun Zhu, Kun Cui, Qiaoling Zhao, Zhi Ma, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A series of new functional poly(ethylene‐co‐vinyl alcohol)‐g‐polystyrene graft copolymers (EVAL‐g‐PS) with controlled molecular weight (Mn = 38,000–94,000 g mol−1) and molecular weight distribution (Mw/Mn = 2.31–3.49) were synthesized via a grafting from methodology. The molecular ...


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