Citation: Dan LI, Zhi Min LIU, Guan Ying YANG, Qing HUO, Bu Xing HAN, Yi LIU, Zhong Hua WU, Bao Zhong DONG. Small Angle X-ray Scattering Study of PS Conformation in Tetrahydrofuran Solvent with Gas Anti-solvent[J]. Chinese Chemical Letters, ;2000, 11(12): 1093-1094. shu

Small Angle X-ray Scattering Study of PS Conformation in Tetrahydrofuran Solvent with Gas Anti-solvent

1.
Center for molecular sciences, Institute of chemistry, Chinese Academy of Science, Beijing 100080;
2.
Chemical Engineering College, Beijing Union University, Beijing 100023;
3.
Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039

Received Date: 15 May 2000

Fund Project: This work was supported by the National Basic Research Project-Macromolecular Condensed State and the National Natural Science Foundation of China (29633020, 29725308)

Small angle X-ray scattering (SAXS) was used to study the effect of dissolved CO₂ on the conformation of polystyrene (PS) in PS/tetrahydrofuran(THF) solution at 308.15 K and at pressures up to 3 MPa. The cloud pressure and the expansion curve of the solution were also determined. The dependence of the conformation on pressure was discussed.
- Small angle X-ray scattering,
- polystyrene,
- THF,
- CO₂,
- conformation
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