Materials Literature
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A series of polyesters with pendant cyclohexane ring as a cardo group were synthesized by reacting 1,1-bis(4-hydroxyphenyl)cylcohexane (bisphenol-Z (BPZ)) with diacid chlorides. The molecular structures of the monomer and polymers were confirmed by spectral analyses. Thermal properties were studied using thermogravime…
Polylactide composites containing bamboo fiber treated with various coupling agents were prepared using melt compounding. 3aminopropyltriethoxysilane, vinyltrimethoxysilane, maleic anhydride, and acrylic acid were used as the coupling agents to improve the mechanical properties of polylactide and bamboo fiber composit…
Chemically treated sawdust-reinforced recycled polyethylene composites were fabricated by the injection molding method, and the effect of fiber treatment on the physicomechanical properties of the composites were examined. Upon treatment with sodium hydroxide and benzoyl chloride, the hydrophilic nature of sawdust was…
Composites were developed by reinforcing available non-woven Lyocell and viscose in acrylated epoxidized soybean oil (AESO). Compression molding was used to make composites with 40–60 wt% fiber content. The fiber content comprises only Lyocell or viscose fiber, or mixture of these fibers in known ratio. Hybrid composi…
Shape memory polymers (SMPs) are the class of self-repairing and intelligent materials that have received significant attention from both industry and academia. SMP materials are attractive substitutes to metals because of their flexibility, bio-compatibility, low cost, easy manufacturing and programming together with…
Topological defects are found in particles confined to planar disks interacting via the 1/r Coulomb potential. The total interior topological charge is found to monotonically converge to a negative value as the energy decreases during the relaxation process regardless of initial configurations; it is more negative in…
A bacterial strain, designated strain LP01(T), was isolated from a laboratory-scale microcosm packed with a mixture of soil and sewage sludge compost designed to study the evolution of microbial biodiversity over time. The bacterial strain was selected for its potential ability to store polyhydroxyalkanoates (PHAs) as…
The single crystal deformation behaviour of orthorhombic Al13Co4 has been studied below the brittle-ductile transition temperature observed in bulk material from room temperature to 600 °C, using indentation, microcompression and transmission electron microscopy. At room temperature, slip occurred most easily by dislo…
The molecular mechanism of calcium carbonate nucleation in the presence of various types of collageneous proteins is unravelled from computer simulation of ion-by-ion association steps. Single calcium ions are incorporated in the triplehelix by formation of salt bridges to carbonyl and hydroxyl groups of collagen, whi…
We studied the low-lying electronic structure of the newly discovered iron-platinum-arsenide superconductor, Ca${}_{10}$(Pt${}_{4}$As${}_{8}$)(Fe${}_{2\ensuremath{-}x}$Pt${}_{x}$As${}_{2}$)${}_{5}$ (${T}_{c}=22$ K) with angle-resolved photoemission spectroscopy. We found that the Pt${}_{4}$As${}_{8}$ layer contributes…
To address the problem of fossil fuel usage and high greenhouse gas emissions at the Missouri University of Science and Technology campus, using of alternative fuels and renewable energy sources can lower energy consumption and greenhouse gas emissions. Biogas, produced by anaerobic digestion of wastewater, organic wa…
In a novel electron-donor-acceptor conjugate, phthalocyanine (Pc) and perylenediimide (PDI) are connected through a trans-platinum(II) diacetylide linker to yield Pc-Pt-PDI 1. In the ground state, the presence of Pt(II) disrupts the electronic communication between the two electroactive components, as revealed by UV/V…
Fano resonance (FR) is routinely observed in three-dimensional symmetric metamaterials (MMs) consisting of elliptical nanoholes array (ENA) embedding through metal–dielectric–metal (MDM) multilayers. It is shown theoretically that a square periodic ENA perforating through MDM layers produces an FR response in the near…
Herein, we present a strategy for the glycoconjugation of nanoparticles (NPs), with a special focus on fluorescent quantum dots (QDs), recently described by us as "preassembly" approach. Therein, prior to the encapsulation of diverse nanoparticles by an amphiphilic poly(isoprene)-b-poly(ethylene glycol) diblock copoly…
The aspect ratio and yield of PbSe nanorods synthesized by the reaction of Pb-oleate with tris(diethylamino)phosphine selenide are highly sensitive to the presence of water, making it critical to control the amount of water present in the reaction. By carefully drying the reaction precursors and then intentionally add…
The functionalization of nanoporous zeolite L crystals with β-cyclodextrin (CD) has been demonstrated. The zeolite surface was first modified with amino groups by using two different aminoalkoxysilanes. Then, 1,4-phenylene diisothiocyanate was reacted with the amino monolayer and used to bind CD heptamine by using its…
Corn distillers dried grains with solubles (DDGS) were used as sustainable and environmentally friendly warp sizing agents for cotton, polyester, and polyester/cotton (P/C) in an effort to find potential substitutes for starch and poly(vinyl alcohol) (PVA). Sizing is an essential textile process to reduce warp breakag…
The thermoforming process is a manufacturing method to produce fibre-reinforced thermoplastic components within short cycle times (<2 min). During this process, the anisotropic material behaviour provokes residual stresses which furthermore induce unwanted deformations. Thereby, at the beginning, newly produced geomet…
Microstructure of turbostratic graphite consists of a large amount of pores and voids which eventually convert to plates and flakes constituting layered microfolding upon high-temperature heat treatment. This treatment results in apparent phase transformation from 3D to 2D structured graphite where stacking order betw…
) was synthesized, and the details of the structures of its thin films were successfully investigated for the first time by using in situ grazing incidence X-ray scattering (GIXS) with a synchrotron radiation source. Our quantitative GIXS analysis showed that thin films of the star polymer molecules have very complex…