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Direct Formation of γ Form Crystal of Syndiotactic Polystyrene from Amorphous State in Supercritical CO 2

✍ Scribed by Ma, Weiming; Yu, Jian; He, Jiasong


Book ID
126335961
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
170 KB
Volume
37
Category
Article
ISSN
0024-9297

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Supercritical Fluid Assisted Crystal Tra
✍ Weiming Ma; Jian Yu; Jiasong He 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 107 KB

## Abstract **Summary:** In different media in the range of approximately 160–240 °C, the __γ__ form of syndiotactic polystyrene was transformed into different crystal forms having different stabilities. Compared with the transition to less stable forms in ambient air and gaseous CO~2~, the __γ__ f