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PDF - Institut national polytechnique de Toulouse

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The measured physical property and the corresponding thermal analysis technique<br />

are cited in Table 1. Note that the technique called “Emanation thermal analysis” (ETA)<br />

and “Thermoparticulate analysis” could well be inserted into the category of techniques<br />

used to measure mass. As can be seen in the table, other properties that can be<br />

<strong>de</strong>termined by means of thermal analysis, in addition to direct thermal properties, are<br />

e.g.: mechanical properties (thermal expansion, softening, …), catalysis, corrosion, phase<br />

transformations and equilibriums.<br />

As Wendlandt [1980], Liptay [1982] or Dunn [1980] observe in their surveys of the<br />

types of thermal analysis techniques used and their applications in numerous areas of<br />

research, the most wi<strong>de</strong>ly used techniques are TG and DTA, followed by DSC and TMA.<br />

Materials that are the most frequently studied are inorganic ones, high polymers, metals<br />

and metallic alloys, and organic substances. Thermal analysis is used for supportive<br />

research relating to quality control, troubleshooting and for innovative research into<br />

processes, base materials, materials and products. According to Lombardi [1980], there<br />

were some 10,000 thermoanalytical instruments used throughout the world at the outset<br />

of 1990s.<br />

Thermal analysis has become the most frequently used polymer characterization<br />

method.<br />

Prior to 1969-1970, thermal analysis papers were published in a large number of<br />

inter<strong>national</strong> scientific journals, making a literature search very time-consuming, as notes<br />

Wendlandt [1986]. In 1969, the Journal of Thermal Analysis was foun<strong>de</strong>d by Buzagh and<br />

Simon in Hungary. In 1970, the Thermochimica Acta journal was foun<strong>de</strong>d (by<br />

Wendlandt). As an illustration of the growth of publications on the subject matter of<br />

thermal analysis, it can be mentioned that the Thermochimica Acta has increased its<br />

volume from about 400 pages in 1970 to over 3600 pages in 1983. Two useful abstracting<br />

journals are available: Thermal Analysis Abstracts (Hey<strong>de</strong>n & Sons, London), and<br />

Chemical Abstracts CA Selects: Thermal Analysis (Chemical Abstracts Service,<br />

Columbus, Ohio, USA).<br />

In the present outline, the state of the arts of thermal analysis will be briefly discussed<br />

with a focus on recent literature. For a more <strong>de</strong>tailed <strong>de</strong>scription of the historical<br />

<strong>de</strong>velopments and reflections about possible future trends, the article of Mathot [2000] is<br />

recommen<strong>de</strong>d.<br />

— 18 —

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