Kinetics of the glass transition in Se72Te23Sb5 chalcogenide glass: Variation of the activation energy
โ Scribed by Abdalla A. Elabbar
- Book ID
- 116604104
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 558 KB
- Volume
- 476
- Category
- Article
- ISSN
- 0925-8388
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๐ SIMILAR VOLUMES
## Abstract Summary: An advanced isoconversional method has been applied to determine the effective activation energies (__E__) for the glass transition in polystyrene (PS), poly(ethylene terephthalate) (PET), and boron oxide (B~2~O~3~). The values of __E__ decrease from 280 to 120 kJโยทโmol^โ1^ in
## Abstract **Summary:** Variations of the effective activation energy __E__ of glass transitions have been determined by applying an isoconversional method to DSC data on the glass transition in PVC, PBMA, PVP, and PEN. A variability parameter ฮ~__E__~ has been introduced to characterize the rate