A two-stage stable system of isotactic polypropylene-poly(ethylene oxide) blend, in which poly(ethylene oxide) can be permanent either in molten or in crystallized states in the temperature range from 280 to 327 K, was described. The behavior of that blend was explained in terms of fractionated crys
NMR study of poly(vinylpyrrolidone)/poly(ethylene oxide) blends
β Scribed by Teresinha M. F. F. Diniz; Maria I. B. Tavares
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 85 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0021-8995
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## Abstract The miscibility and crystallization behavior of poly(ethylene oxide)/poly(vinyl alcohol) (PEO/PVA) blends were investigated by differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), and polarizing optical microscopy. Because the glassβtransition temperature of PVA w