Showing papers in "Thermochimica Acta in 2017"

TL;DR: In this article, the thermal decomposition behavior of high and low-density polyethylene (LDPE and HDPE), polypropylene (PP), poly(lactic acid) (PLA) were investigated under inert condition by dynamic thermogravimetric analysis (TGA) in the temperature range of 303 − 973 K at seven different heating rates.

TL;DR: In this article, the authors present the results of experimental investigation of viscosity, thermal and electrical conductivity of transparent suspensions of silicon dioxide (SiO2) nanoparticles in ethylene glycol (EG).

TL;DR: In this article, in order to enhance the thermal performance of paraffin in thermal energy storage, the graphene and exfoliated graphite sheet have been mixed with the paraffine to prepare composites.

TL;DR: In this article, the authors investigated the hydration heat of slag or fly ash in the composite binder at 25°C, 45°C and 60°C in order to determine the effect of elevated temperature on the reaction of slags and fly ash.

TL;DR: In this paper, the effect of the thermal history on the glass transition temperature was investigated by means of fast scanning calorimetry (flash-DSC), and two different solidification procedures were studied; isothermal crystallization and continuous cooling were performed at different temperatures and rates respectively.

TL;DR: By thermogravimetric experiments under various oxygen concentrations, oxygen-adsorption mass-gain and decomposition/combustion mass-loss stages of coal combustion were investigated.

TL;DR: In this article, 1, 4-butanediol (1,4-BDO), neopentyl glycol (NPG) and bisphenol-a (BPA) were chosen as chain extenders to prepare polyurethane elastomer (PUE) due to their representative structures.

TL;DR: In this article, the effect of expandable graphite (EG) on flame retardant, thermal and mechanical properties of thermoplastic polyurethane (TPU) containing huntite&hydromagnesite (HH) was studied.

TL;DR: In this paper, the authors evaluated the thermal hazards of benzaldehyde oxime (BO) by fitting experimental curves, and showed that BO decomposes rapidly in liquid phase, and releases a large amount of thermal energy.

TL;DR: The co-combustion behaviors between sewage sludge and oil shale were investigated in this article, where the TGA experiment was given a temperature spanning from 105°C to 1000°C by setting the heating rates 10, 20 and 30°C/min.

TL;DR: In this article, the authors investigated the thermal stability of the binary salt as a phase change material for thermal energy storage through thermal decomposition analysis in different environments and thermal cycling using FactSage software 6.4 and its thermophysical properties were experimentally investigated using a Simultaneous Thermal Analyzer and X-Ray Diffraction.

TL;DR: In this article, the effects of K2CO3 on the structure and absorption properties were characterized using various morphological characterization techniques, differential scanning calorimetry (DSC) and thermogravimetric analysis (dynamic and isothermal).

TL;DR: In this article, the catalytic effects of three metal chlorides, including KCl, ZnCl 2, and MnCl 2, on the pyrolysis of lignite were investigated by thermogravimetry coupled with Fourier transform infrared (TG-FTIR) analysis from 105°C to 1000°C at a heating rate of 10°C/min.

TL;DR: In this paper, a modified kaolinite containing Lewis acidic sites (Acid-Kaol) was prepared by calcination of Kaolinite and successive acid treatment, which was then introduced into polypropylene (PP) with intumescent flame-retardant (IFR).

TL;DR: In this article, a thermal analysis of Li(NixCoyMnz)O2(NCM, x = 1/3, 0.6, 0., 0.8) was performed on the battery and showed that the total exothermic heat of both NCM-electrolyte system and full-cell system increases with increasing nickel content.

TL;DR: In this paper, the authors used a thermogravimetric analyzer (TGA) combined with a Fourier transform infrared (FTIR) spectrometer to study the thermal degradation of six typical municipal solid waste components (tire rubber (TR), recycled polyvinyl chloride pellets (PVC), wood sawdust (WS), paper mixture (PM), kitchen waste (KW) and textile (TE)) in CO2 and N2 atmospheres.

TL;DR: In this paper, the organic precursor thermal decomposition method was adopted to prepare Cu2O-Cu-MWCNTs/paraffin light-thermal conversion phase change material via one-step.

TL;DR: In this article, the morphology and properties of blends of PP/HDPE and MAPP/HPE blends, and their composites with wood powder, were investigated, and the blends showed two-phase morphologies.

TL;DR: In this article, an increase of 80-90% has been observed in the enthalpy recovery by fast scanning calorimetry (FSC) investigations, which is related to the high cooling rates used by FSC.

TL;DR: Based on the technology of gas-injection in blast furnace (BF), the thermodynamics and kinetics of ore reduction with H 2 assistance were investigated in this paper, where it was shown that the gas utilization decreases with HO 2 addition below 847°C, and the situation is opposite above 847 °C.

TL;DR: In this paper, fast scanning chip calorimetry (FSC) was used to prepare isothermally crystallized samples of polyamide 66 (PA 66) in a wide range of temperatures between 70 and 230°C for subsequent analysis of the semicrystalline morphology by X-ray diffraction, polarized-light optical microscopy and atomic force microscopy.

TL;DR: In this paper, the melting temperature of cytosine was determined by applying fast scanning calorimetry with the heating rate at 6000 K s−1, which is the same as the temperature of the nucleobases of DNA and RNA.

TL;DR: The non-isothermal curing kinetics of diglycidyl ether of bisphenol-A (DGEBA) and bio-based epoxy resin (ESO) both cured with methyl hexahydrophthalic anhydride (MHHPA) curing agent in the presence of 2-methylimidazole as catalyst (2-MI) was investigated using differential scanning calorimetry (DSC) at three different heating rates 5, 10, 15 -C/min this paper.

TL;DR: The research leading to these results has received funding from the European======Commission Seventh Framework Programme (FP/2007-2013) and under Grant Agreement NoPIRSES-GA-2013-610692 (INNOSTORAGE).

TL;DR: In this paper, the authors studied the thermodynamics and kinetics of hydrogenation-dehydrogenation of nanometric iron (nFe) doped Mg-MgH 2 system.

TL;DR: In this article, the authors focused on the evaluation and prediction of the density of choline chloride-based DES aqueous mixtures and used the Jouyban-Acree mixture density correlation for each DES mixture separately with very good prediction accuracy.

TL;DR: In this article, the growth of the nuclei is assumed to be anisotropic, i.e. with a very fast surface rate compared to the bulk one, and the importance of particle size is also put in evidence.

TL;DR: In this paper, four polyhedral Oligomeric silsesquioxanes (POSSs) having seven C6H5- groups linked to seven silicon atoms of cage, and a substituted −p (C6H4-X) group linked to the eighth silicon atom, were synthesized and characterized by elemental analysis and 1H NMR.

TL;DR: In this article, a series of imidazolium-based ionic liquids with varying functionalities from aliphatic to aromatic groups and a fixed bis[(trifluoromethane)sulfonyl]amide ([NTf2]−) anion were characterized using a commercial rapid scanning nanocalorimetry instrument, the Mettler Toledo Flash DSC.

TL;DR: In this article, the effects of α-zirconium phosphate (i.e., α-ZrP) on the thermal curing of bisphenol A-based benzoxazine (Ba) was studied by preparing resin systems consisting of Ba and α ZrP.