Materials Literature
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Poly(vinyl alcohol) (PVA) grafted with different hydroxy acids (lactic acid (LA), glycolic acid (GA), and hydroxybutyric acid (HB)) has been blended with poly(vinylpyrrolidone) (PVP) and the miscibility of the g -PVA/PVP blends has been investigated by DSC, FTIR, and molecular modeling. Complete miscibility has been e…
In situ neutron reflectivity was used to study thermally induced structural changes of the lamellae-forming polystyrene-block-poly(2-vinylpyridine) (PS-b-P2VP) block copolymer thin films floating on the surface of an ionic liquid (IL). The IL, 1-butyl-3-methylimidazolium trifluoromethanesulfonate, is a nonsolvent for…
The master of suspense: Self-suspended polyaniline doped with a protonic acid containing a polyethylene glycol segment exhibits a unique thermoreversible gel-like rheological response. Gear-like micelles assembled by the polyaniline fibrils can mesh to form physical cross-linking upon heating, and revert to their init…
A new high-pressure phase of RhB has been predicted using a newly developed particle swarm optimization algorithm based on first-principles calculations. The new phase belongs to the orthorhombic Pnma space group (FeB type); it transforms from hexagonal RhB (anti-NiAs type) when the pressure exceeds 22 GPa. The high-p…
Sodium sulfonamides have been extensively used for the treatment of certain infections caused by several types of microorganisms. Although sulfonamides are still widely used in therapeutics, the physicochemical information about their aqueous solutions has not been completed. In this context, the thermodynamic functio…
In the most general and widely recognized classification, NCMs can be divided into 1-D (nanotubes, nanowires, nanofibres), 2-D (nanolayers), and 3-D (bulk materials and nanopowders). Recent progress has been particularly impressive in the development of 1-and 2-D nanomaterials. In the case of bulk NCMs, development ha…
The comparison of the efficiency of some natural products (natural honey, vanillin and tapioca starch) on corrosion inhibition of Al-Mg-Si alloy is investigated in seawater solution at room temperature, using potentiodynamic polarization (PP), linear polarization resistance (LPR), and electrochemical impedance spectro…
Volume is indexed by Thomson Reuters CPCI-S (WoS)This book, comprising internationally peer-reviewed papers, covers the subject areas of natural fibers, chemical fibers, fiber manufacturing technology, principles of textile design, structure, properties and processing of textile materials, measurement technology and i…
The layered triangular antiferromagnets CuFeO 2 and AgCrO 2 exhibit ferroelectric polarization when they adopt a helical spiral-spin magnetic structure. Application of magnetic field parallel to the c -axis or doping Fe sites with Al or Ga is necessary for CuFeO 2 to have a helical spiral spin order. However, AgCrO 2…
Abstract Graphite oxide (GO) and amine surfactant intercalated graphite oxide (GOS) filled maleated polypropylene (PPgMA) nanocomposites were prepared directly by solution blending. In this study, the effects of the surfactant intercalation on the crystalline structure, thermo‐mechanical, and dielectric properties of…
We experimentally demonstrated the basic concept of modulatable optical near-field interactions by utilizing energy transfer between closely positioned resonant CdSe/ZnS quantum dot (QD) pairs dispersed on a flexible substrate. Modulation by physical flexion of the substrate changes the distances between quantum dots…
We report high purity and high yield synthesis of single-wall carbon nanotubes (SWCNTs) of narrow diameter from iron-copper bimetal catalysts. The SWCNTs with diameter of 0.8-1.2 nm are synthesized using the zeolite-supported alcohol chemical vapour deposition method. Single metal and bimetal catalysts are systematica…
Abstract Dynamic covalent reorganization of polycaprolactone (PCL) and poly(ethylene‐ co ‐vinyl alcohol) (EVOH) were realized by solvent free transesterification reactions. Organometallic and organic catalysts effect on these reactions was first evaluated from kinetic studies on small molar mass model reactants. Kinet…
Crystalline flowerlike ZnO was synthesized by an aminolytic reaction at the air-liquid interface in an aqueous media at an alkaline pH. A thin visible film was formed at the air-liquid interface by self-assembly of flowerlike ZnO. Diffraction studies show rearrangement of the single crystalline units at the air-liquid…
Cadmium oxide (CdO) nanostructure was synthesized by solid-vapor deposition. Cadmium powder was heated to 1274 K in a tube furnace, and the resultant vapor was carried to the silicon substrate zone by an argon flow with a trace amount of oxygen. Field emission scanning electron microscopy revealed that the product was…
Carbon deposition on extreme ultraviolet (EUV) optics was observed due to photon-induced dissociation of hydrocarbons in a EUV lithography environment. The reflectance loss of the multilayer mirror is determined by the carbon layer thickness and density. To study the influence of various forms of carbon, EUV-induced c…
Abstract A new organic–inorganic hybrid material was prepared through reactive blending of hydrogenated carboxylated nitrile rubber (HXNBR) with epoxycyclohexyl polyhedral oligomeric silsesquioxanes (epoxycyclohexyl POSS). The structure of the composite was characterized by Fourier transform infrared spectroscopy (FTI…
Osmolytes are small, chemically diverse, organic solutes that function as an essential component of cellular stress response. Protecting osmolytes enhance protein stability via preferential exclusion, and nonprotecting osmolytes, such as urea, destabilize protein structures. Although much is known about osmolyte effec…
Abstract The mechanical properties of thermoplastic vulcanizates (TPVs), depend strongly on their morphologies, which themselves depend on the properties of the primary polymers, the composition of the TPV, and the crosslink system and crosslink process. The morphology is defined during the dynamic vulcanization. This…
We employed both theoretical calculations and experiments to study the nonlinear responses in optical metamaterials. The spectra of second-harmonic generations measured on a fishnet metamaterial are in quantitative agreements with calculations based on full-wave numerical simulations combined with field integrations,…