On the measurement of the χ‐parameter under the zero average contrast condition

@inproceedings{Benmouna1992OnTM,
  title={On the measurement of the χ‐parameter under the zero average contrast condition},
  author={Mustapha Benmouna and Erhard Wolfgang Fischer and Bernd Ewen and M-A. Duval},
  year={1992}
}
Several methods for measuring directly the interaction parameter X as a function of polymer concentration are presented. These methods are applied to symmetric ternary mixtures of homopolymers and copolymers in solution under the zero average contrast condition. They can be used for an arbitrary concentration from dilute solution to the bulk and at any value of the scattering wavenumber q. Possible combinations of static and dynamic measurements are presented. © 1992 John Wiley & Sons, Inc. 

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