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Thermal Analysis


The current field of thermal analysis is not a new field, but more applications are constantly appearing on the market and in the literature. Theoretically, almost any substance whether solid, semi-solid, or liquid can be analyzed and characterized with thermal analytical techniques. Thermal Analysis is important to a wide variety of industries, including polymers, composites, pharmaceuticals, foods, petroleum, inorganic and organic chemicals, and many others. These instruments typically measure heat flow, weight loss, dimension change, or mechanical properties as a function of temperature. Properties characterized include melting, crystallization, glass transitions, cross-linking, oxidation, decomposition, volatilization, coefficient of thermal expansion, and modulus. These experiments allow the user to examine end-use performance, composition, processing, stability, and molecular structure and mobility.

While numerous techniques are available, the primary differences in the techniques are the properties of the material being studied.

Key Analysis

Differential Scanning Calorimeters (DSC) measure temperatures and heat flows associated with thermal transitions in a material

Thermogravimetric analysis (TGA) is a method of thermal analysis in which the mass of a sample is measured over time as the temperature changes

Simultaneous analyzers are useful for the analysis of polymers, food, nanomaterials, metals, and oil, among other materials

A technique in which a sample is subjected to varying conditions of humidity and temperature, and measured gravimetrically

Measure the mechanical properties of materials as a function of time, temperature, and frequency

TMA is used to characterize physical properties of materials when force is applied at specified temperatures and time periods

The process of connecting two or more instruments together for the purpose of increasing the amount of information obtainable from a sample

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