The Flory−Huggins Interaction Parameter in Blends of Polystyrene and Poly( p -Methylstyrene) by Small-Angle Neutron Scattering
✍ Scribed by Londono, J. D.; Wignall, G. D.
- Book ID
- 126916809
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 164 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0024-9297
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Blends of polystyrene (PS) and polybutadiene (PBD) were investigated by differential scanning calorimetry. From the phase composition diagram of the blends, it appears that PBD dissolves more in the PS-rich phase than does PS in the PBD-rich phase. This result is consistent with the behavior of the
## Abstract Direct determination of the Flory‐Huggins interaction parameter χ of a polymer blend by small‐angle x‐ray scattering experiments is possible on the basis of the random phase approximation, if absolute intensities are measured. The usually superposed void scattering has to be properly ac