Journal of Thermal Analysis

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Transitions de phases du pDCB et diagrammes de phases pDCB-pDBB et pDCB-pBCB
Journal of Thermal Analysis - Tập 34 - Trang 537-542 - 1988
M. Labrador, E. Tauler, M. A. Cuevas-Diarte, J. R. Housty, N. B. Chanh, Y. Haget
The phase diagrams of two organic binary systems [p-dichlorobenzene (pDCB) — p-bromochlorobenzene (pBCB)] and [p-dichlorobenzene—p-dibromobenzene (pDBB)] have been determined by X-ray diffraction and thermal methods. The definition and the use of a “form factor” of the thermal signals allows to involve the existence of a very narrow eutectic invariant in the two systems. This eutectic invariant is...... hiện toàn bộ
Thermal methods in the investigation of nickel catalysts
Journal of Thermal Analysis - Tập 79 Số 3 - Trang 521-524 - 2005
Antal Tungler
Construction of a wheat-flour state diagram
Journal of Thermal Analysis - Tập 47 - Trang 1267-1288 - 1996
G. Kaletunç, K. J. Breslauer
We use pressure-variable differential scanning calorimetry to detect and characterize thermally induced transitions (glass, melting, gelatinization) in pre- and post-extruded wheat flour. The resulting data allow us to construct a two-dimensional state diagram which maps the physical states that pre- and post-extruded wheat flour can assume, at constant pressure, as a function of moisture content,...... hiện toàn bộ
Thermal analysis kinetics-problems, pitfalls and how to deal with them
Journal of Thermal Analysis - Tập 34 - Trang 367-381 - 1988
J. H. Flynn
The kinetics of the heterogeneous, condensed-phase systems studied in thermal analytical techniques are often complex and usually affected by many experimental factors such as specimen geometry, thermal history, gaseous environment, etc. These complications impose many problems in experimental design, data analysis, and especially in interpretation of results. This paper concerns itself with pract...... hiện toàn bộ
Infrared spectroscopy and the characterization of terfenadine crystallized from solvents
Journal of Thermal Analysis - Tập 73 - Trang 763-774 - 2003
M. L. P. Leităo, J. Canotilho, A. Sousa, A. A. C. C. Pais, A. T. Sousa, J. Simőes Redinha
In this paper the structural characterization of terfenadine crystallized from ethanol-water, ethanol and methanol is performed by infrared spectroscopy. The OH stretching vibration, composed of three markedly overlapped bands, is analyzed by peak fitting. The assignment of the hydrogen bonds was conducted making use of band parameters, spectroscopic data for CCl4 solutions, and molecular dynamics...... hiện toàn bộ
Single run heat capacity measurements
Journal of Thermal Analysis - Tập 36 Số 2 - Trang 765-789 - 1990
Yuan Jin, Bernhard Wunderlich
Synthesis and thermal analysis of linear triblock copolymers based on methacrylate ester
Journal of Thermal Analysis - Tập 107 - Trang 355-363 - 2010
Bo Lin, Hongdong Zhang, Yuliang Yang
Two linear triblock copolymers poly(t-butyl methacrylate-b-2-hydroxyl ethyl methacrylate-b-N,N-dimethylaminoethyl methacrylate) (PtBMA97-b-PHEMA18-b-PDMAEMA98) and poly(t-butyl methacrylate-b-glycidyl methacrylate-b-styrene) (PtBMA137-b-PGMA23-b-PSt156) were controlled synthesized with living RAFT polymerization technique under the chain transfer of cumyl dithiobenzoate. The results of FT-IR spect...... hiện toàn bộ
Thermal behaviour of limestone and monocrystalline calcite tempers during firing and their use in ancient vessels
Journal of Thermal Analysis - - 1993
S. Shoval, M. Gaft, P. Beck, Yoram Kirsh
Size effect of silica nanoparticles on thermal decomposition of PMMA
Journal of Thermal Analysis - Tập 99 - Trang 21-26 - 2009
D. Q. Zou, H. Yoshida
The size effect of silica nanoparticles (SiO2) on thermal decomposition of poly(methylmethacrylate) (PMMA) was investigated by the controlled rate thermogravimetry. Thermal degradation temperature of PMMA–SiO2 composites depended on both fraction and size of SiO2, the thermal degradation temperature of 23 nm (diameter) SiO2–PMMA (6.1 wt%) was 13.5 °C higher than that of PMMA. The thermal stabiliti...... hiện toàn bộ
Prediction of incompatible reaction of dibenzoyl peroxide by isothermal calorimetry analysis and green thermal analysis technology
Journal of Thermal Analysis - Tập 107 - Trang 927-933 - 2011
Jo-Ming Tseng, Chun-Ping Lin
Dibenzoyl peroxide (BPO) has been widely employed in the petrifaction industry. This study determined the unsafe characteristics of organic peroxide mixed with incompatible materials so as to help prevent runaway reactions, fires or explosions in the process environment. Thermal activity monitor III (TAM III) was applied to assess the kinetic parameters, such as kinetic model, reaction order, heat...... hiện toàn bộ
Tổng số: 9,053   
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