Glass Transition and Structural Relaxation in Polystyrene/Poly(2,6-dimethyl-1,4-phenylene oxide) Miscible Blends
✍ Scribed by Cowie, J. M. G.; Harris, S.; Gómez Ribelles, J. L.; Meseguer, J. M.; Romero, F.; Torregrosa, C.
- Book ID
- 126888349
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 129 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0024-9297
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📜 SIMILAR VOLUMES
Molecular relaxation behavior in terms of the a, b, and g transitions of miscible PS/PPO blends has been studied by means of DMTA and preliminary work has been carried out using DSC. From DSC and DMTA (by tan d), the observed a relaxation ( T a or T g ) of PS, PPO, and the blends, which are intermed
The methyl groups of poly(2,6-dimethyl-l,4-phenylene oxide) (PPO) were brominated to various extents. Bromobenzylated PPO (BrPPO) samples with degrees of bromination of 16, 37, 50, 69 and 76% were found to be miscible with polystyrene (PS) but BrPPO with a degree of bomination of 92% was immiscible