Effects of Comonomer Structure on the Polymorphic Behavior of Syndiotactic Polystyrene-Based Random Copolymers
β Scribed by Hong, Bo Ki; Kim, Keon Hyeong; Cho, Jae Cheol; Jo, Won Ho; Kim, Jungahn
- Book ID
- 126297060
- Publisher
- American Chemical Society
- Year
- 1998
- Tongue
- English
- Weight
- 112 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0024-9297
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## Abstract The complex polymorphic behavior of syndiotactic polystyrene (sβPS) in meltβcrystallized samples is altered by blending with poly (2,6βdimethylβ1,4βdiphenylene oxide) (PPO). In particular, to render the beta form in these blends, starting with samples containing the Ξ± or Ξ³ froms, requir
Clear and high-crystallinity sheets can be prepared consistently from syndiotactic polystyrene (sPS) simply by annealing amorphous sPS sheets at a temperature ranging from 150 to 180Β°C. The combination of its high clarity and high crystallinity makes sPS sheet suitable for many food/medical packagin
Differential scanning calorimetry (DSC) and X-ray diffraction analysis were performed to study the multiple melting behavior and crystal forms of neat syndiotactic polystyrene (s-PS) in comparison with its miscible blends with amorphous atactic polystyrene (a-PS) or poly(2,6-dimethyl-p-phenylene oxi