Effect of temperature of liquid sulphur on kinetics of transformation of chains in its amorphous modification

Autor: W. Swiatkowski
Rok vydání: 1996
Předmět:
Zdroj: Journal of Thermal Analysis. 47:1735-1741
ISSN: 1572-8943
0368-4466
DOI: 10.1007/bf01980919
Popis: The rate of transformation of the chains in amorphous sulphur was examined by calorimetry at 298 K. The amorphous samples were remelted at the temperatureTf in the range from 458 to 573 K. Increase ofTf decreased the transformation rate. The results satisfy the equationX=1-exp[-(kt)z] (X=transformation degree,t=time, andk andz=constants). A one-stage transformation was observed for samples remelted atTf≤473 K. ForTf ≥523 K, transformation in two stages was observed.
Databáze: OpenAIRE