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Showing 1 to 16 of 16 for “"Modulated Differential Scanning Calorimetry"”.
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Physico-chemical properties of polypropylene glycols
… molecular mass were characterized using differential scanning calorimetry, modulated differential scanning calorimetry, thermogravimetry and thermally stimulated current (TSC) spectroscopy. It was shown, by TSC, that the glass transition temperature and the degree of molecular mobility …
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Effect of structure and plasticizer on the glass transition of adsorbed polymer
… on silica was determined using temperature-modulated differential scanning calorimetry (TMDSC). A two-component model, based on loosely-bound polymer (glass transition temperature, T<sub>g</sub>, similar to that of bulk) and tightly-bound polymer (T<sub>g</sub> higher than that of bulk) was …
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Investigating Crystallization Tendency, Miscibility and Molecular interactions of drug-polymer systems for the development of amorphous solid dispersions
… drug-polymer ratios were determined by using modulated differential scanning calorimetry (MDSC). Thermal analysis i.e. glass transition temperature (Tg), crystallinity and melting point depression along with theoretical calculations such as solubility parameter were performed to study drug …
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Drug-Polymer and Drug-Lipid Miscibility for the Development of Amorphous Solid Dispersions and Solid Lipid Nanoparticles
… 50:50 w/w (drug:polymer) was assessed through modulated differential scanning calorimetry (MDSC). FLT SDs were characterized by powder X-ray diffraction (PXRD). Molecular interactions were determined using infrared and Raman spectroscopy and molecular modeling using Jaguar. Polymer …
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Investigations of Structure–Property Relationships in Semicrystalline Thermoplastic Polymers: Blown Polyethylene Films and Polyacrylonitrile Copolymers
… was gained through both conventional and modulated differential scanning calorimetry.
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Investigating and Understanding the Effects of Reclaimed Asphalt Pavement and Shingles on the Rheology and Performance Grading of Asphalt Cement.
… Transform Infrared (FTIR) spectrometer. The Modulated Differential Scanning Calorimetry (MDSC) technique was used to study the changes in glass transition temperatures between the different RAP/RAS at the same modification dosage and aging. The binder increased in stiffness as the percentage …
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Synthesis and Characterization of methylene bis (p-cyclohexyl isocyanate)-poly (tetramethyl oxide) based Polyurethane Elastomers
… Thermal characterization was performed with modulated differential scanning calorimetry (MDSC). From MDSC, the glass transition temperatures of the soft and hard block for polyurethanes with PTMO-2000 as the soft block were -80°C and 86°C, respectively. For corresponding polyurethanes …
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DEVELOPMENT OF SUPERSATURATED MATRIX SYSTEMS FOR POORLY WATER-SOLUBLE COMPOUNDS BASED ON SPRAY-DRIED SOLID DISPERSIONS
… as revealed by X-ray powder diffraction (XRPD), modulated differential scanning calorimetry (mDSC) and scanning electron microscopy (SEM). Supersaturated micro-dissolution testing of SDD powders in fasted state simulated intestinal fluid showed prolonged supersaturation state (up to 180 minutes) …
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Boson Mode, Dimensional Crossover, Medium Range Structure and Intermediate Phase in Lithium- and Sodium-Borate Glasses
… glasses (SBG) in Raman Scattering, Modulated-Differential Scanning Calorimetry, FTIR and Impedance Spectroscopy. Calorimetric data show the existence of a reversibility window in the 14% < x < 27% range for LBG and in the 20% < x < 40% range for SBG. In analogy to previous work we …
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CHARACTERIZATION OF ELECTROSPRAYED POLY(VINYLIDENE FLUORIDE)/CNT NANOCOMPOSITE
… several characterization techniques, including Modulated Differential Scanning Calorimetry (MDSC), Dielectric spectroscopy, Thermally Stimulated Current (TSC), Fourier Transform Infrared Spectroscopy (FT-IR), and X-Ray Diffraction (XRD). MDSC results show that electrosprayed PVDF has a lower …
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Structure and Glass Transition Behavior of As-Rich As-Se Glasses: Modeling and Experiment
… As-rich As-Se glasses were characterized through modulated differential scanning calorimetry (MDSC) and reveal a bimodal glass transition exhibiting different relaxation behaviors for the two observed components. The prominence of this bimodal signal is maximized at the As60Se40 composition, …
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Understanding correlations between secondary relaxations and thermal behaviour of biologically relevant molecules
… in such systems can be related to stability. Differential scanning calorimetry (DSC), including - where applicable - temperature modulated differential scanning calorimetry (TMDSC), and thermal gravimetric analyses (TGA) were employed to study the thermal behaviour/stability of the different …
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Crystallization and Melting Behavior of Linear Polyethylene and Ethylene/Styrene Copolymers and Chain Length Dependence of Spherulitic Growth Rate for Poly(Ethylene Oxide) Fractions
… using a combination of classical and temperature modulated differential scanning calorimetry. In the case of linear polyethylene and low styrene content copolymers, the temporal evolutions of the melting temperature, degree of crystallinity, and excess heat capacity were studied during …
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DYNAMIC SURFACES FOR URINARY CATHETERS: THE EFFECT OF POLY (GLYCEROL SEBACATE CITRATE) COMPOSITION ON DEGRADATION, ENCRUSTATION RESISTANCE AND BACTERIAL RESPONSE
… a mechanism by which the process occurred. Modulated differential scanning calorimetry (MDSC) also revealed a decrease in glass transition temperature with degradation suggesting a decrease in the degree of crosslinking. Silicone was successfully coated with PGSC 0.6 using an oxygen plasma …
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Investigating the loss of crystal structure in carbohydrate materials
… carbohydrate type materials were screened using differential scanning calorimetry (DSC) to characterize the heating rate dependence of their melting temperature. Three heating rates were used: 1, 5 and 25°C/min. Based on previous research, it was hypothesized that if the material had the same …
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Investigation of thermal decomposition as the cause of the loss of crystalline structure in sucrose, glucose, and fructose
… is determined by heating a sugar at a specified scanning rate using a thermal analytical technique, such as Differential Scanning Calorimetry. The sugar loses its crystalline structure (commonly termed melting) by adsorbing heat energy, which yields the critical parameters of the resultant …