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Multiwalled carbon nanotube‐filled ethylene acrylic elastomer nanocomposites: Influence of ionic liquids on the mechanical, dynamic mechanical, and dielectric properties

Bibhu Prasad Sahoo、Kinsuk Naskar、D. K. Tripathy2015-03-28Polymer Composites

Electrically conductive nanocomposites based on ethylene acrylic elastomer (AEM) and multiwalled carbon nanotube (MWNT) have been successfully prepared. Before mixing the MWNT is dispersed in ethanol in presence of ionic liquids such as 1‐methyl‐3‐octylimidazolium chloride (MOIC) and 1‐allyl‐3‐methyl imidazolium chlor…

Carbon Nanotubes in CompositesPolymer Nanocomposites and PropertiesDielectric materials and actuators

Fabrication of antibacterial silver nanoparticle‐modified chitosan fibers using Eucalyptus extract as a reducing agent

Mansoor Arvand、Esmaeil Mirzaei、Mohammad Ali Derakhshan 等 7 位作者2015-03-28Journal of Applied Polymer Science

ABSTRACT Green chemical method could be a promising route to achieve large scale synthesis of nanostructures for biomedical applications. Here, we describe a green chemical synthesis of silver nanoparticles (Ag NPs) on chitosan‐based electrospun nanofibers using Eucalyptus leaf extract. A series of silver salt (AgNO 3…

Nanoparticles: synthesis and applicationsConducting polymers and applicationsElectrospun Nanofibers in Biomedical Applications

Phase transformation kinetics of Ti‐1300 alloy during continuous heating

Mingpan Wan、Yongqing Zhao、Weidong Zeng2015-03-28Rare Metals

Abstract The α + β → β phase transformation kinetics of Ti‐1300 alloy during continuous heating at different heating rates were investigated using dilatometric method. Results show that the curves of the α + β → β phase transformation exhibit a typical S‐shaped pattern, which indicates that the α + β → β phase transfo…

Intermetallics and Advanced Alloy PropertiesTitanium Alloys Microstructure and PropertiesAdvanced materials and composites

Tracking morphologies at the nanoscale: Self-assembly of an amphiphilic designer peptide into a double helix superstructure

Karin Kornmueller、Ilse Letofsky‐Papst、Kerstin Gradauer 等 10 位作者2015-03-28Nano Research

Hierarchical self-assembly is a fundamental principle in nature, which gives rise to astonishing supramolecular architectures that offer an inspiration for the development of innovative materials in nanotechnology. Here we present the unique structure of a cone-shaped amphiphilic designer peptide. When tracking its co…

Luminescence and Fluorescent MaterialsSupramolecular Self-Assembly in MaterialsPolydiacetylene-based materials and applications

Decoupling of relaxation and diffusion in random pinning glass-forming liquids

Yanwei Li、You‐Liang Zhu、Zhao‐Yan Sun2015-03-28The Journal of Chemical Physics

We investigate numerically the relaxation and diffusion dynamics in three-dimensional Kob-Andersen glass-forming liquids in which part of the particles are randomly chosen and pinned permanently. We find that both the relaxation dynamics and diffusion dynamics slow down as increasing the pinning concentration (cpin) a…

Material Dynamics and PropertiesGlass properties and applicationsTheoretical and Computational Physics

Synthesis and characterization of novel fluorosilicone rubber using imide modified vinyl‐containing fluorosilicone resin as cross‐linker

Tao Xu、He Liu、Jie Song 等 7 位作者2015-03-28Journal of Polymer Science Part A Polymer Chemistry

ABSTRACT A novel imide modified vinyl‐containing fluorosilicone resin (MP‐VFS) was firstly prepared from maleopimaric acid (MPA), and characterized by 1 H NMR and 13 C NMR. Containing MPA based imide heterocycle (MPABI), MP‐VFS was further used as a novel cross‐linker to prepare MPA modified fluorosilicone rubber (MP‐…

Polymer Nanocomposites and PropertiesSynthesis and properties of polymersSilicone and Siloxane Chemistry

Microwave‐assisted chemical synthesis of conducting polyindole: Study of electrical property using Schottky junction

Madhu Tiwari、Ashish Kumar、Harshit Sunil Umre 等 4 位作者2015-03-28Journal of Applied Polymer Science

ABSTRACT A facile and rapid enhanced microwave‐assisted route for one‐pot synthesis has been developed to polymerize indole moiety using two different oxidizing agents for 60 s exposure at 30 ± 1°C. As‐synthesized conducting polyindoles, obtained by varying the synthesis process and oxidant, have been well characteriz…

Conducting polymers and applicationsAnalytical Chemistry and SensorsSynthesis and properties of polymers

Synthesis and characterization of polyphenylenes with polypeptide and poly(ethylene glycol) side chains

Hüseyin Akbulut、Takeshi Endo、Shuhei Yamada 等 4 位作者2015-03-28Journal of Polymer Science Part A Polymer Chemistry

ABSTRACT We report a novel approach for fabrication of multifunctional conjugated polymers, namely poly( p ‐phenylene)s (PPPs) possessing polypeptide (poly‐ l ‐lysine, PLL) and hydrophilic poly(ethylene glycol) (PEG) side chains. The approach is comprised of the combination of Suzuki coupling and in situ N ‐carboxyanh…

Organic Electronics and PhotovoltaicsConducting polymers and applicationsLuminescence and Fluorescent Materials

Quantum chemical studies on the corrosion inhibition of some hector bases on mild steel in acidic medium

Majid Khodaei‐Tehrani、Али Ниази2015-03-28Oriental Journal Of Chemistry

Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It provides a platform for rapid publication of quality research papers, reviews and ch…

Corrosion Behavior and Inhibition

Hydrogen Storage by Titanium Based Sulfides: Nanoribbons (TiS3) and Nanoplates (TiS2)

Mariam Barawi、Eduardo Flores、Marine Ponthieu 等 8 位作者2015-03-28J of Electrical Engineering

Nowadays, finding cheap and non-toxic materials able to reversibly store high amounts of hydrogen is a challenge in the renewable energy field. Metal sulfides seem to be promising candidates to this purpose. Titanium sulfides are reported to be particularly interesting but their ability to store hydrogen remains uncle…

Advanced Photocatalysis TechniquesHydrogen Storage and MaterialsMXene and MAX Phase Materials

Biosynthesis of Copper Oxide Nanoparticles using Extract of E.coli

Hamid Reza Ghorbani2015-03-28Oriental Journal Of Chemistry

Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It provides a platform for rapid publication of quality research papers, reviews and ch…

Nanoparticles: synthesis and applicationsNanotechnology research and applications

Silafluorene‐based polymers for electrochromic and polymer solar cell applications

Ozan Erlik、Naime Akbaşoğlu Ünlü、Gönül Hızalan 等 8 位作者2015-03-28Journal of Polymer Science Part A Polymer Chemistry

ABSTRACT In this study, four novel silafluorene (SiF) and benzotriazole (Btz) bearing conjugated polymers are synthesized. In the context of electrochemical and optical studies, these polymers are promising materials both for electrochromic device (ECD) and polymer solar cell (PSC) applications. All of the polymers ar…

Organic Electronics and PhotovoltaicsConducting polymers and applicationsTransition Metal Oxide Nanomaterials

Photooxidative weathering of biodegradable nanocomposite films containing halloysite

Paola Scarfato、Domenico Acierno、Pietro Russo2015-03-28Polymer Composites

This study reports the results of photodegradation experiments performed on biodegradable nanocomposite blown films based on a commercial grade of poly(3‐hydroxybutyrate‐ co −3‐hydroxyvalerate)/poly(butylene adipate‐ co ‐terephthalate) blend added with different amounts (3, 5, and 10 wt%) of tubular halloysite nanocla…

Polymer Nanocomposites and Propertiesbiodegradable polymer synthesis and propertiesClay minerals and soil interactions

A novel nonchemical approach to the expansion of halloysite nanotubes and their uses in chitosan composite hydrogels for broad‐spectrum dye adsorption capacity

Sinem Palantöken、Emre Tekay、Sinan Şen 等 5 位作者2015-03-28Polymer Composites

A novel method based on cryoscopic expansion of halloysite nanotubes via frozen water molecules entrapped in their lumens and subsequent lyophilization was described. Detailed analyses confirmed that the inner and outer diameters as well as the surface area of the nanotubes could be efficiently increased without distu…

Clay minerals and soil interactionsIron oxide chemistry and applicationsTherapeutic Uses of Natural Elements

Modification of eucalyptus pulp fiber using silane coupling agents with aliphatic side chains of different length

Rafael Farinassi Mendes、Lourival Marin Mendes、Juliano Elvis de Oliveira 等 6 位作者2015-03-28Polymer Engineering and Science

The objective of this work was to evaluate the effect of three silane coupling agents with different aliphatic chain lengths on the hydrophobicity of eucalyptus pulp fiber. The three silanes coupling agents used (isobutyltrimethoxysilane, methyltrimethoxysilane, and n‐ octyltriethoxysilane [OTES]) were each tested at…

Natural Fiber Reinforced CompositesAdvanced Cellulose Research StudiesMaterial Properties and Processing

Properties of poly(vinyl chloride) incorporated with a novel soybean oil based secondary plasticizer containing a flame retardant group

Puyou Jia、Meng Zhang、Chengguo Liu 等 5 位作者2015-03-28Journal of Applied Polymer Science

ABSTRACT A novel bio‐based plasticizer containing flame retardant groups based on soybean oil (SOPE) was synthesized from epoxidized soybean oil (ESO) and diethyl phosphate through a ring‐opening reaction. PVC blends plasticized with ESO and SOPE were prepared, respectively. Properties including rheological behavior,…

Polymer Nanocomposites and Propertiesbiodegradable polymer synthesis and propertiesPolymer Science and PVC

Phase transitions and phase diagram of Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 Pb-free system by anelastic measurement

Dezhen Xue、Jinghui Gao、Yumei Zhou 等 7 位作者2015-03-28Journal of Applied Physics

The internal friction and storage modulus of Ba(Zr0.2Ti0.8)O3-x(Ba0.7Ca0.3)TiO3 (BZT-xBCT) Pb-free ceramics have been measured by dynamic mechanical analysis. The anelastic properties show clear anomalies with regard to the transformations between cubic (C), tetragonal (T), orthorhombic (O), and rhombohedral (R) phase…

Ferroelectric and Piezoelectric MaterialsAdvanced ceramic materials synthesisMicrowave Dielectric Ceramics Synthesis

Optical Evaluation of In Situ Crack Propagation by Using Mechanoluminescence of SrAl 2 O 4 :Eu 2+ , Dy 3+

Suman Timilsina、Kwang Ho Lee、Yong Nam Kwon 等 4 位作者2015-03-28Journal of the American Ceramic Society

New theoretical solutions involving conventional crack propagation from static to dynamic fracture in terms of mechanoluminescence ( ML ) and the experimental techniques to trace the in situ crack and its instantaneous stress intensity factor ( SIF ) have been suggested in SrAl 2 O 4 :Eu 2+ , Dy 3+ ( SAO ). The direct…

Luminescence Properties of Advanced MaterialsGlass properties and applicationsAcoustic Wave Resonator Technologies

Internal and External Atomic Steps in Graphite Exhibit Dramatically Different Physical and Chemical Properties

Hyunsoo Lee、Han‐Bo‐Ram Lee、Sangku Kwon 等 5 位作者2015-03-28ACS Nano

We report on the physical and chemical properties of atomic steps on the surface of highly oriented pyrolytic graphite (HOPG) investigated using atomic force microscopy. Two types of step edges are identified: internal (formed during crystal growth) and external (formed by mechanical cleavage of bulk HOPG). The extern…

Graphene research and applicationsMolecular Junctions and NanostructuresSurface and Thin Film Phenomena

Theoretical and experimental investigations of the thermoelectric properties of Bi2S3

Radosław Chmielowski、Daniel Péré、Chandan Bera 等 11 位作者2015-03-28Journal of Applied Physics

Electronic and transport properties of Bi2S3 with various dopants are studied using density functional theory and experimental characterizations. First, principle calculations of thermoelectric properties are used to evaluate the thermoelectric potential of the orthorhombic Bi2S3 structure. The computational screening…

Advanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsHeusler alloys: electronic and magnetic properties