Materials Literature
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Oxygen-functional plasma polymers are of high interest in diverse fields such as, e.g., biomedical applications where stable surfaces are required, i.e., avoiding strong aging, leaching, and dissolution effects. Plasma polymer deposition from water vapor/acetylene mixtures is thus examined by varying energy input and…
Abstract A new method for the preparation of epoxy fatty acid esters of cassava starch (starch vernolates) is presented based on the reaction of cassava starch with vernonia oil methyl ester (epoxy ester) using only 1‐butyl‐3‐methylimidazolium chloride, [C4C1im]Cl, ionic liquid as a reaction medium and a cheap inexpen…
In this study Fe3O4 nanoparticles were used as catalysts for the growth of vertically aligned carbon nanotubes (VA-CNTs) by chemical vapor deposition (CVD). The effect of catalyst concentration and water vapor during the CVD process on the properties of the VA-CNTs was investigated. Monodisperse Fe3O4 nanoparticles (4…
A new corrosion-resistant multilayer metallic material, in which the composition of the layers is selected depending on the properties and composition of the medium and the ratio of electrochemical potentials, has been proposed. The preparation method for multifunctional multilayer metallic materials designed for prot…
Nanocomposites (NCs) based on the reinforcement of polymers with nanoparticles (NPs) have attracted increasing attention for researchers. The goal of this study was production of new NCs based on poly(amide-imide) (PAI) and modified titanium dioxide (TiO 2 ) NPs. Due to the tendency of the NPs for agglomeration, the s…
The objective of this study was to develop a predictive model for cell seeding depth in electrospun scaffold as a function of fiber stiffness. Electrospun scaffolds (micron and submicron) and 3T3 fibroblasts are used as scaffold-cell systems under vacuum seeding conditions. Atomic force microscopy is used to determine…
Metal–organic chemical vapour deposition was used to fabricate hydroxyapatite (HAp) and α-tricalcium phosphate coatings on the surface of representative biomedical titanium alloys: Ti–29Nb–13Ta–4·6Zr, commercially pure Ti, and Ti–6Al–4V ELI. The effect of the substrate surface roughness, alloy composition and precurso…
Acid Blue 129 (AB129) and salicylate have been cointercalated into the interlayer galleries of ZnAl layered double hydroxides (LDHs) through a coprecipitation method to prepare organic–inorganic hybrid pigments with improved photostability. The prepared hybrids were characterized by XRD, FTIR spectroscopy, SEM, TG-DTG…
Successive detection of Fe 3+ and Cu 2+ based on the quenching and recovery of the fluorescence of AuAg NCs by the use of chelants.
The photo-stabilization of polymers derived from poly(vinyl chloride) (PVC) films was investigated. The PVC and modified PVC films were produced by the casting method from tetrahydrofuran (THF) solvent. The photostabilization activities of these compounds were determined by monitoring the carbonyl, polyene and hydroxy…
Co 3 O 4 spheroids of different texture without/with Au deposition were highly active yet very durable at 60–90 °C for CO oxidation. The calcined Co 3 O 4 -based catalysts and the yolk–shell type one were even more durable. The catalysts encountered obvious enhancement in CO oxidation activity via in situ pretreatment.
Ti-Ni-Au thin film materials libraries were prepared from multilayer precursors by combinatorial sputtering. The materials libraries were annealed at 500, 600, and 700 °C for 1 h and then characterized by high-throughput methods to investigate the relations between composition, structure and functional properties. The…
In this study, the energy absorption of each layer in the multiply system has been investigated experimentally and numerically to improve the theoretical understanding for the armour panel engineering. To achieve accurate results and to improve the calculation efficiency in FE simulation of multiply systems, different…
In this study, the effect of surface nanoscale roughness on fibrinogen adsorption and platelet adhesion was investigated. Nanorough silica surfaces with a low level of surface roughness (10 nm Rrms) were found to support the same level of fibrinogen adsorption as the planar silica surfaces, while nanorough silica surf…
This paper describes a technique for modeling overlapping laminations in magnetic core materials using two-dimensional finiteelement (2-D FE) analysis. The magnetizing characteristic of the overlapping region is captured using a simple 2-D FE model of the periodic overlapping geometry and a composite material is creat…
Rapid construction of layer-by-layer (LbL) self-assembled multilayers on non-planar substrates is challenging because most conventional LbL processes are time consuming, which restricts further applications of LbL in industry and its commercialization. Therefore, herein we introduced the high gravity (HG) technique, w…
The magnetic and dielectric polarization properties of the single crystal samples of CuFe1−xGaxO2 (x = 0 and 0.02) are investigated. Experimental results show that the magnetization and dielectric polarizations are anisotropy and coupled together. Compared with pure CuFeO2, in the case with the magnetic field parallel…
The present work studies the morphology in poly(ethylene-terephthalate)/polyethylene (PET/HDPE) polymer blends and its impact on blend properties. Mixing process in blend preparation is the important parameter for the type of obtained blend morphology and final blend properties, so two different mixing processes were…
ABSTRACT Torrefied almond shells and wood chips were incorporated into polypropylene as fillers to produce torrefied biomass‐polymer composites. The composites were prepared by extrusion and injection molding. Response surface methodology was used to examine the effects of filler concentration, filler size, and lignin…
The simultaneous existence and coupling of ferroelectric and magnetic ordering in a material, so-called multiferroicity, is of great scientific interest due to the underlying complex physical mechanisms and its possible applications. Here we present the multiferroic properties of a prototypical spin-driven ferroelectr…