References

1. I. C. Sanchez. Encyclopedia of Physical Science and TechnologyAcademic Press, New York (1992).

2. Y. B. Melnichenko and G. D. Wignall, Dimension of polymer chains in critical semidilute solutions, Phys. Rev. Lett. 78: 686 (1997).

3. Y. B. Melnichenko, M. A. Anisimov, A. A. Povodyrev, G. D. Wignall, J. V. Sengers, and W. A. Van Hook, Sharp crossover of the susceptibility in polymer solutions near critical demixing point, Phys. Rev. Lett. 79: 5266 (1997).

4. Y. B. Melnichenko, E. Kiran, G. D. Wignall, K. D. Heath, S. Salaniwal, H. D. Cochran, and M. Stamm, Pressure- and temperature-induced transitions in solutions ofpoly(dimethyl siloxane) in supercritical carbon dioxide,Macromolecules 32: 5344 (1999).

5. M. A. McHugh and V.J. Krukonis. Supercritical flu id extraction: principles andpractice, Butterworth-Heinemann,Boston(1994).

6. M. Muthukumar, Thermodynamics ofpolymer solutions, J. Chem. Phys. 85: 4722 (1986).

7. M. Daoud and G. Jannink, Temperature-concentration diagram ofpolymer solutions, J. Phys. (Paris) 37: 973 (1976).

8. B. Duplantier, Lagrangian tricritical theory ofpolymer chain solutions near the ©-point, J. Phys. (Paris) 43:991 (1982).

9. Y. B. Melnichenko,G. D. Wignall, W. A. Van Hook, J. Szydlowsky, H. Wilczura, and L. P. Rebelo, Comparison of inter- and intramolecular correlations of polystyrene in poor and 0 solvents via small-angle neutron scattering, Macromolecules 31: 8436 (1998).

10. Y. Melnichenko, M. Agamalyan, V. Alexeev, V. Klepko, and V. Shilov, Crossover between tricritical and critical demixing regimes ofpolymer solutions. Small-angle neutron scattering, Europhys.Lett. 19: 355 (1992).

11. C. Strazielleand H. Benoit,Some thermodynamic properties ofpolymer-solvent systems. Comparison between deuterated and undeuterated systems, Macromolecules 8: 203 (1975).

12. J. Des Cloizeauxand G. Jannink, Polymers in Solution. TheirModeling andStructure, Claredon Press, Oxford (1990).

13. H. Fujita, Polymer Solutions, Elsevier, Amsterdam, (1990).

14. T. Dobashi, M. Nakata, and M. Kaneko, Coexistence curve ofpolystyrene in methylcyclohexane, 1. Range of simple scaling and critical exponents, J. Chem. Phys. 72: 6685 (1980).

15. R. Perzynski, M. Delsanti,and M. Adam, Experimental study ofpolymer interactions in a bad solvent, J. de Physique 48: 115 (1987).

16. De Gennes P.-G., Scaling Concepts in Polymer Physics, 2nd ed., Cornell University Press, Ithaca (1979).

17. PolymerHandbook, J. Brandrup, E. H. Immergut, E. A. Grulke, eds, John Wiley, New York (1999).

18. G. D. Wignall and F. S. Bates, Absolute calibration of small-angle neutron scattering data, J. Appl. Crystallogr. 20: 28 (1987).

19. Y. B. Melnichenko, W. Brown, S. Rangelov, G. D. Wignall, and M. Stamm, Phys. Lett., in press.

20. B. Chu, LaserLightScattering, Academic Press, New York (1991).

21. W. Brown and T. Nicolai, Scattering from concentrated polymer solutions, in: Dynamic Light Scattering, W. Brown, ed., Clarendon Press, Oxford (1993).

22. H. Sovova and J. Prochaska, Calculations of compressed carbon dioxide viscosities, Ind. Eng. Chem. Res. 32: 3162 (1993).

23. H. C. Burstyn and J. V. Sengers, Decay-rate ofcritical concentration fluctuations in a binary liquid, Phys. Rev. A25: 448 (1982).

24. Y. IzumiandY. Miyake, Universality ofthe coexistence curves in a polymer solutions, J. Chem. Phys. 81: 1501 (1984).

25. G. Raos and G. Allegra, Chain collapse and phase separation in poor-solvent polymer solutions: a unified molecular description, J .Chem. Phys. 104: 1626(1996).

26. N. B. Wilding, M. Muller, and K. Binder, Chain length dependence of the polymer-solvent critical point parameters, J.Chem.Phys. 105: 802 (1996).

27. C. F. Kirby and M. A. McHugh, Phase behavior ofpolymers in supercritical fluid solvents, Chemical Reviews, 99: 565 (1999).

28. G. D. Wignall., Neutron scattering studies ofpolymers in supercritical carbon dioxide, J. Phys.: Condens. Matter 11: R157 (1999).

29. G. Luna-Barcenas, J. C. Meredith, I. C. Sanchez, K. P. Johnson, D. G. Gromov, and J. J. de Pablo, Relashionship between polymer chain conformation and phase boundaries in a supercritical fluid, J. Chem. Phys. 107: 10782 (1997).

30. J. C. Le Guillou and J. Zinn-Justin, Critical exponents from field theory, Phys. Rev. B21: 3976 (1980).

31. S. F. Edwards, private communication.

32. N. Kuwahara, D. V. Fenby, M. Tamsky, and B. Chu, Intensity and line width studies of the system polystyrene-cyclohexane in critical region, J. Chem. Phys. 55: 1140(1971).

33. P. Stepanek, Critical dynamics of binary liquid mixtures and simple fluids studied using light scattering, in: DynamicLightScattering, W. Brown, ed., Clarendon Press, Oxford (1993).

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