期刊
THERMOCHIMICA ACTA
卷 623, 期 -, 页码 80-85出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2015.11.020
关键词
Thermal stability; Decomposition; Crystallization; Polymers; Fast scanning calorimetry
Thermogravimetric analysis (TGA) is a standard technique to measure the thermal stability of polymeric materials. This technique is not sensitive for degradation steps which are not related to mass loss. However, such reactions can significantly influence the mechanical behavior of material. In this contribution we introduce the technique of stability estimation by crystallization analysis (SECA) and pseudo TGA which uses differential scanning calorimetry (DSC). SECA measures the influence of decomposition on crystallization kinetics. This technique is very sensitive to decomposition. Using fast scanning calorimetry, SECA determines the short time thermal stability of semi-crystalline polymers. This property is essential for fast polymer processing like selective laser sintering or welding. (C) 2015 Elsevier B.V. All rights reserved.
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