A Study of the Physical Aging in Semicrystalline Poly(ethylene terephthalate) via Differential Scanning Calorimetry
โ Scribed by Zhao, J.; Song, R.; Zhang, Z.; Linghu, X.; Zheng, Z.; Fan, Q.
- Book ID
- 126110634
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 43 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0024-9297
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๐ SIMILAR VOLUMES
Temperature-modulated differential scanning calorimetry is used to evaluate the kinetics of the glass transition from measurement of the first harmonic of the apparent, reversing heat capacity. The data are taken from quasi-isothermal experiments with negligible instrument lag, extrapolated to zero
## Abstract Water swollen gels of (unbranched) dialkyl ethers (__n__ = 16, 17, 18, 20 and 21) of poly(ethylene oxide) (__Mฬ__~n~ = 10000, 20000 and 30000) have been investigated using NMR spectroscopy and differential scanning calorimetry (DSC). Aggregates of the alkyl segments were found to underg