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Neutron cloud poinds and concentration fluctuations of polymer blends

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Summary

Cloud points were observed in the blends of deuterated polystyrene (PSD) and hydrogeneous poly (vinyl methyl ether) (PVME) by means of temperature scanning Small Angle Neutron Scattering (SANS) technique. The scattering function in the miscible region can be described by the random phase approximation results calculated by de Gennes. This scattering function can also be expressed in the Ornstein-Zernike form in the small q region. A correlation length and spinodal point can then be determined from this critical fluctuation approach.

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References

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Authors and Affiliations

  1. Polymer Research Institute, University of Massachusetts, 01003, Amherst, MA, USA

    Hsinjin Yang, Mitsuhiro Shibayama & Richard S. Stein

  2. National Bureau of Standards, 20234, Washington DC, USA

    Charles C. Han

Authors
  1. Hsinjin Yang
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  2. Mitsuhiro Shibayama
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  3. Richard S. Stein
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  4. Charles C. Han
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Yang, H., Shibayama, M., Stein, R.S. et al. Neutron cloud poinds and concentration fluctuations of polymer blends. Polymer Bulletin 12, 7–13 (1984). https://doi.org/10.1007/BF00258265

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  • DOI: https://doi.org/10.1007/BF00258265

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