Novel supercritical fluid techniques for polymer fractionation and purification
✍ Scribed by Iskender Yilgör; James E. McGrath
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 284 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0170-0839
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## Abstract Commercially available OV‐17 was partitioned into a low and a higher molecular weight fraction by supercritical fluid extraction with carbon dioxide. This higher molecular weight fraction is more thermally stable than the original OV‐17 due to its more viscous and gum‐like nature. Based
## Abstract **Summary:** A simple method to prepare surfactant‐free and solvent‐free semiconducting polymer particles by using an environmentally benign supercritical carbon dioxide (scCO~2~) process is reported. The process of the rapid expansion of supercritical solutions (RESS) is used to produc