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Pressure-dependent viscosity and free volume of atactic and syndiotactic polystyrene

✍ Scribed by Andrea Sorrentino; Roberto Pantani

Publisher
Springer-Verlag
Year
2009
Tongue
English
Weight
493 KB
Volume
48
Category
Article
ISSN
0035-4511

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πŸ“œ SIMILAR VOLUMES

Miscibility behavior of syndiotactic and
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Blends of atactic and syndiotactic polystyrene have a single composition dependent glass transition temperature. This does not confirm the miscibility of both polymers, however, unambiguously because there is only a small difference of 10Β°C in the glass transition temperatures of both neat polymers.

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## Abstract **Summary:** Molecular weight (MW) effects of atactic polystyrene (aPS) on the morphologies and crystallization kinetics of syndiotactic polystyrene (sPS) blends have been investigated, and miscibility was confirmed for all the sPS/aPS blends. Addition of aPS(M) or aPS(L) leads to a sig

Competitive influence of atactic polysty
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## Abstract The crystallization behavior of miscible syndiotactic polystyrene (sPS) and atactic polystyrene (aPS) blends with different sPS/aPS weight ratios was investigated in supercritical CO~2~ by using Fourier‐transform infrared spectroscopy, differential scanning calorimetry, and wide‐angle X

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## Abstract Crystalline/amorphous binary mixtures of polystyrene with different tacticities, syndiotactic/atactic isomers (sPS/aPS), have been systematically studied to reveal the composition dependence of the blend morphologies, i.e., sPS lamellar structure and aPS diluent segregation, developed a