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Showing 1 to 20 of 55 for “"Thermal gravimetric analysis"”.
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Synthesis and Characterization of Novel Adsorbent Fibers
… This system was characterized through elemental analysis (EA), diffuse reflectance infrared fourier transform spectroscopy, thermal gravimetric analysis, and nitrogen/carbon dioxide adsorption. Their performance as efficient ion exchange systems was evaluated through pressure drop, capacity and …
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One-Dimensional nanostructured polymeric materials for solar cell applications
… spectroscopy (UV-Vis), photoluminescence(PL), thermal gravimetric analysis (TGA) and cyclic voltammetry (CV) experiments. Devices fabricated from these materials were characterized under simulated AM 1.5 at 800 mW.
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Carbon Dioxide Capture With Amine Functionlized Graphene Oxide
… spectroscopy (ftir) for chemical structure. Thermal gravimetric analysis (tga) was used to test co2 capture capacity. Functionalized graphene oxide that has been purified with 30 washes via centrifuge with 72 hour amine functionalization method time had greatest co2 capture potential with …
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Polydimethylsiloxane Containing Block Copolymers: Synthesis and Characterization of Alternating Poly(Arylene Ether Phosphine Oxide)-B-Siloxane and Segmented Nylon 6,6 -B-Siloxane Copolymers
… morphologies and good mechanical strength. Thermal gravimetric analysis showed high thermo-oxidative stability and increasing char yield with increasing siloxane content. Additional thermal and mechanical investigations provided evidence of selective phase mixing, particularly at shorter …
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Crystal Engineering of Flavonoids
… diffraction, powder X-ray diffraction, TGA (Thermal Gravimetric Analysis) and melting point. The new compounds were also studied via dissolution studies performed in 1:1 ethanol/water (V/V%). Thus, crystal engineering proves to be effective way to enhance the solubility and bioavailability of …
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Produção de grês porcelanato a partir de matérias-primas do estado da Bahia
… fluorescence, X-ray diffraction, particle size analysis, thermal gravimetric analysis, thermal differential analysis and dilatometric analysis. Admixtures containing different compositions were prepared and fired at four temperatures, 1100 ºC, 1150 ºC, 1200 ºC and 1250 ºC with isotherm for 60 …
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A thermally stabilized fluorescent organic chromophore
… including differential scanning calorimetry, thermal gravimetric analysis, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The thermal stability of the dye was improved from a significant level of decomposition by 200 °C to nearly no loss of mass at 350 °C. It proved …
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An Evaluation of the Durability of Polymer Concrete Bonds to Aluminum Bridge Decks
… (silica aggregates/epoxy bond) as well. Fracture analysis and finite element modeling were completed for linear elastic behavior. Analytical and numerical solutions were in reasonably good agreement. Characterization of the bridge components and failure specimens were accomplished using analytical …
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Smectite to illite transformation of Gulf of Mexico -Eugene Island (GoM-EI) mudrock
… reacts to a final discrete illite. Additional thermal gravimetric analysis (TGA) study on cooked samples confirms that the transformation is releasing water. However, we are unable to determine the volume change of the sample using mineral study.
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Characterization of Fluoropolymer Powders Made By Supercritical Assisted Mixing With Crystalline Additives
… Differential Scanning Calorimetry (DSC) and Thermal Gravimetric Analysis (TGA) were done on the virgin polymer, the additives and the fabricated powders to determine the loading levels and to ascertain if there were any changes to the physical properties of the polymer. Scanning electron …
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Feasibility of AquasolveTM HPMC-AS Lg via Hot-melt Extrusion: Effect of Pressurized CO2 on Physico-mechanical Properties
… stainless-steel hose with armor casing. The thermal characterization of extrudates was obtained by using differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA). A scanning electron microscopy (SEM) was conducted to study morphology and porosity of formulations. The …
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Synthesis, Molecular Weight Characterization and Structure-Property Relationships of Ammonium Ionenes
… of charge density and structural symmetry on thermal and mechanical properties of ammonium 6,6-, 12,6- and 12,12-ionenes. Thermal properties were measured using differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA), and mechanical properties were measured using dynamic …
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CHARACTERIZATION OF A CARDBOARD RECYCLING FACILITY'S PLASTIC WASTE FOR BENEFICIAL USE
… Differential scanning calorimetry (DSC) analysis showed that the polymers exist generally in separate phases. Thermal gravimetric analysis (TGA) determined that the onset degradation (405°C) of the mixed stream is an average of its components. In tensile tests, the mixed plastic waste …
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Gas permeation properties and characterization of mitrimid based carbon tubular membrane
… its structural morphology, chemical structure, thermal stability, and gas permeation properties by using scanning electron microscopy (SEM), Fourier transform infrared (FTIR), thermal gravimetric analysis (TGA), and pure gas permeation system, respectively. From the results, it is found that the …
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Mitigating alkali silica reaction in recycled concrete
… ASTM C 1260/1567 and ASTM C 1293. Pore solution analysis and Thermal Gravimetric Analysis (TGA) were also conducted.</p><p>It was found that fly ash, silica fume and ground granulated blast furnace slag (GGBFS) were effective in mitigating ASR in RCA concrete. Compared to conventional concrete, …
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CHARACTERIZATION OF A CARDBOARD RECYCLING FACILITY'S PLASTIC WASTE FOR BENEFICIAL USE
… Differential scanning calorimetry (DSC) analysis showed that the polymers exist generally in separate phases. Thermal gravimetric analysis (TGA) determined that the onset degradation (405°C) of the mixed stream is an average of its components. In tensile tests, the mixed plastic waste …
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Determination of the Oxidative Capacity of Soot Toward GSH and Characterization of Soot Physicochemical Properties
… Coupled Plasma Mass Spectrometry (ICP-MS), and Thermal Gravimetric Analysis (TGA) to determine particle morphology, aqueous particle surface area and diameter, trace metal content, and volatile organic content, respectively. These physical and chemical properties were correlated with the …
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CO₂ Capture with Lithium Oxide in Molten Salt Media : A Case Study of CO₂ Capture via Electrochemically Produced Metal Oxide
… been urged. Although its maturity, conventional thermal swing processes using aqueous amines, suffer from significant limitations, including high energy requirements and sorbent degradation. Electrochemical CO₂ capture technologies, which use electrical energy instead of thermal energy, have …
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Fundamental Studies of Various Poly(L-lactide)/clay Nanocomposite Systems by in-situ Polymerization
… compete with commodity polymers, mechanical, thermal, and gas barrier properties must be improved. This can be achieved by dispersing inorganic fillers into the polymer matrix, thus forming an exfoliated polymer nanocomposite. In this study, in situ polymerizations ofpoly(L-lactide)-clay …
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Synthesis and Thermal Characterization of a Series of Copolyesters Synthesized from Terephthaloyl Chloride, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and Bisphenol A, AF, F, and HPF
… synthesized and characterized for structure and thermal properties The percent incorporation of the CBDO and bisphenol were varied in order to examine the effect on thermal properties The structure of these various copolymers was verified by fourier-transform infrared spectroscopy (FTIR), as well …
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