Positronium formation in semicrystalline poly(ethylene terephthalate)
β Scribed by Xie Li; David W. Gidley; Hristo A. Hristov; Albert F. Yee
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 432 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0032-3861
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## Abstract A rare case of thermodynamic miscibility has been demonstrated in the amorphous state (quenched glass as well as molten state) of a ternary blend system formed by poly(ether imide) and semicrystalline poly(ethylene terephthalate) and polyβ(butylene terephthalate). A single glass transit
After isothermal crystallization, poly(ethylene terephthalate) (PET) showed double endothermic behavior in the differential scanning calorimetry (DSC) heating scan. During the heating scans of semicrystalline PET, a metastable melt which comes from melting thinner lamellar crystal populations formed
## Abstract Gelation of poly(ethylene terephthalate) by heating at 263Β°β300Β°C was investigated. Under nitrogen flow, crosslinks were scarcely formed. However in air, degradation and crosslinking were common, and these were accelerated by purging gaseous and sublimable degradation products out of th