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Colloid and Polymer Science

, Volume 258, Issue 2, pp 148–151 | Cite as

Bi- and tridimensional solutions: III. Bidimensional mixtures

  • G. Gabrielli
  • P. Baglioni
  • E. Ferroni
Original Contributions Polymer Science

Summary

In order to obtain a possible relationship between the “apparent” surface temperature B, the coefficient of the first grade terms of virial expansion, and the bidimensional compatibility of polymers, three bidimensional systems were studied: PMMA-PEMA which are compatible with an inflection of the free energy in the mixtures; PMMA-PVA “ideally” compatible, and PVS-PVA incompatible.

The “apparent” temperature θ shows negative deviations from the additive behaviour in the same manner as the coefficient of first grade terms of the expansion into a series in powers of the bidimensional state equations in the case of PMMA-PEMA; a continuous behavior of the same type as collapse pressures in the case of PMMA-PVA whilst the coefficients are additive; lastly in the case of PVS-PVA, it was not possible to determine the temperature θ and the coefficients show an inflection.

Keywords

Polymer Physical Chemistry Free Energy Surface Temperature State Equation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1).
    Huggins, M. L., Polymer,12, 357 (1971);13, 554 (1972; J. Phys. Chem.75, 1255 (1971).CrossRefGoogle Scholar
  2. 2).
    Huggins, M. L., Makromol. Chem.87, 119 (1965), Kolloid Z. u. Z. Polymere25, 29 (1973).CrossRefGoogle Scholar
  3. 3).
    Gabrielli, G., P. Baglioni, E. Ferroni, Colloid & Polymer Sci.257, 121 (1979); Colloid & Polymer Sci., submitted to.Google Scholar
  4. 4).
    Gabrielli, G., M. Puggelli, J. Coll. Interface Sci.32, 657 (1970);Gabrielli, G., M. Puggelli, E. Ferroni, - J. Coll. Interfache Sci.47, 145 (1974);Puggelli, M. G. Gabrielli, J. Coll. Interface Sci.61, 420 (1977);Gabrielli, G., A. Maddii,64, 19 (1978).Google Scholar
  5. 5).
    Gabrielli, G., M. Puggelli, M. Faccioli, J. Coll. Interface Sci.37, 213 (1971),41, 63 (1972)44, 177 (1973).Google Scholar
  6. 6).
    Gabrielli, G., et altri unpublished data.Google Scholar
  7. 7).
    Goodrich, F. C., Proc. Intern. Congr. Surf. Activity 2nd LTd 1957;Gaines, G. L. Jr., Insoluble monolayers at liquid gas interface (New York 1966).Google Scholar

Copyright information

© Dr. Dietrich Steinkopff Verlag 1980

Authors and Affiliations

  • G. Gabrielli
    • 1
  • P. Baglioni
    • 1
  • E. Ferroni
    • 1
  1. 1.Institut of Physical ChemistryUniversity of FlorenceFlorenceItaly

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