With the purpose to clarify the mechanism of the influence of different external factors on the compatibility of polymers in a solvent studied the effect of temperature, carbamide and KCl on the phase separation in two-phase systems dextran-PEG-water and dextran-PVP-water. The thermodynamic parameters of the cooperation χ between the components of the systems and the difference of these parameters (Dc) was calculated and dependence Δχ effect from temperature, dependence from concentration of additions was investigated. With increasing temperature and the concentration of carbamide and KCl Δχ effect decreases, simultaneously improving compatibility of polymers in aqueous solution.
incompatibility of polymer, two-phase systems water-polymer, phase separation
1. Zaslavsky B. Aqueous Two-Phase Partitioning: Physical Chemistry and Bioanalytical Applications. Marcel Dekker, New York, 1994, pp. 212.
2. Brooks D.E., Sharp K.A., Fisher D. Theoretical aspects of partitioning in Aqueous Two-Phase Systems (eds. H. Walter, D.E. Brooks, D. Fisher) Academic Press, New York, 1985, 84 r.
3. Flory P.J. Prediction of thermodynamic properties of polymer solutions. J. of Chemical Physics, 1941, vol. 9, pp. 660-667.
4. Hugelin Ch., Dondos A. Macromol. Chem., 1989, vol. 126, pp. 206-216.
5. Nesterov A.E., Lipatov Yu.S. Termodinamika rastvorov i smesey polimerov. Kiev, Naukova Dumka, 1984, 300 s. [Nesterov A.E., Lipatov Yu.S. Thermodynamics of solutions and mixtures of polymers. Kiev, Naukova Dumka, 1984, pp. 300. (In Russ.)]
6. Scott R. Prediction of thermodynamic properties of polymer solutions. J. of Chemical Physics, 1949, vol. 17, pp. 279-285.
7. Polimernye smesi, pod redakciey D. Pola i S. N'yuten. M.: Mir, 1981, t. 1, 549 s. [The Polymeric mixtures, ed. D. Pola and S. Nyuten. M.: Mir, 1981, vol. 1, 549 r. (In Russ.)]
8. Masimov E.A., Bagirov T.O., Salamova U.R., SalehAzerpur. Vestnik Bakinskogo universiteta, seriya fiziko-matematicheskih nauk, 1998, № 2, s. 82-85. [Masimov E.A., Bagirov T.O., Salamova Y.R., Saleh Azerpur. News of Baku University, A series of physical and mathematical sciences, 1998, no. 2, pp. 82-85. (In Russ.)]
9. DobryA., Boyer-Kawencki F. Phase separation in polymer solution. Polymer Sci. 1947.
10. Albertsson P.A. Partition of cell particles and macromolecules. 3rd Ed., Willey Press: New York, 1986, vol. 2, no. 1, pp. 90-100.
11. Kuleznev V.N., Krohina L.S., Oganesov Yu.G., Zlausk A.M. Kolloidnyy zhurnal, 1971, t. 33, № 1, s. 98-105. [Kuleznev V.N., Krokhina L.S., Oganesov Yu.Q., Zlausk A.M. Colloid Journal, 1971, vol. 33 , no. 1, pp. 98-105. (In Russ.)]
12. Rogovina L.Z., Slonimskiy G.L. Uspehi himii, 1977, t. 46, № 10, s. 1871-1899. [Rogovina L.Z., Slonimskiy G.L. Successes of Chemistry, 1977, vol. 46, no. 10, pp.1871-1899. (In Russ.)]
13. Robara A., Patterson B. Macromolecules, 1977, vol. 10, no. 5, pp. 1021-1033.
14. Vandana G., Sunil N., Subhash C. J.Polymer, 2002, vol. 43, no. 11, pp. 3387-3390.
15. Zeman L., Patterson B. Macromolecules, 1972, vol. 3, no. 4, pp. 513-516.
16. Masimov E.A., Bagirov T.O., Gasanova H.T. Zhurnal izv. vuzov «Himiya i himicheskaya tehnologiya», 2008, t. 51, vyp. 2, s. 123-126. [Masimov E.A., Bagirov T.O., Hasanov H.T. Journal of News of universities "Chemistry and Chemical technology", 2008, vol. 51, no. 2, pp.123-126.(In Russ.)]
