thermal degradation


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thermal degradation

[′thər·məl ‚deg·rə′dā·shən]
(chemistry)
Molecular deterioration of materials (usually organics) because of overheat; can be avoided by low-temperature or vacuum processing, as for foods and pharmaceuticals.
References in periodicals archive ?
The TGA results indicated that the addition of [Al.sub.2][O.sub.3] raised the thermal degradation temperature of the nanocomposites in relation to the pure polymer, which improved their thermal stability.
[1] studied the thermal degradation performance of untreated banana fibre by means of TGA.
Caption: FIGURE 3: Chromatographic set showing degradation products generated in various conditions at 207 nm: (a) thermal degradation (solution), (b) thermal degradation (powder), (c) acid degradation, (d) alkaline degradation, (e) oxidation (3% [H.sub.2][O.sub.2]), (f) oxidation (7.5% [H.sub.2][O.sub.2]), (g) oxidation (15% [H.sub.2][O.sub.2]), (h) photolysis (24h), (i) photolysis (48h), and (j) photolysis (powder, 120h).
The kinetics of the thermal degradation of polystyrene and polyethylene, J.
TGA curves expose the weight loss percentage of materials with respects to the temperature of thermal degradation. In addition, thermal degradation data shows the weight loss of the materials and the first derivative (DTG) indicates the corresponding rate of weight loss.
Among their topics are optimizing the self-ordering process of electropolishing the surface of high-purity aluminum, the preparation and experimental study of a composite phase change material for conserving building energy, and the thermal stability and thermal degradation kinetics of flame retardant epoxy resins.
Thermal Degradation Kinetic of Polylactic Acid in Multiple Extrusions (1)
The thermal degradation of fabrics coated by polymer nano composites (without phosphorous compounds) starts at higher temperatures than in case of pure fabric.
The sturdy construction of ThermBright targets will endure 2,000 rounds of small-arms fire before thermal degradation begins to occur.
The catalytic and thermal degradation of PS was carried out
* A high resistance to thermal degradation as well as attack by both organic and aqueous environments.