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EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES
Abstract
The non-Newtonian viscosity of atactic and syndiotactic polystyrenes from 200 to 300˚C temperature range at various pressures is described well using our recently proposed YDT (Yahsi-Dinc-Tav) and the Cross models [1]. The Pressure-Volume-Temperature (PVT) data of atactic and syndiotactic PSs are fitted to the Simha-Somcynsky equation of state (SS) [2], to calculate the characteristic parameters, such as P∗ V∗, T∗ and the hole fraction. The relationships among PVTh values are elucidated both with the Simha-Somcynsk y Hole Theory and the previously obtained various Tait equations. The application of the linear dependency of our derived quantities; zero shear and constant shear-rate viscosities with hand Tdependent “thermo-occupancy” function (Yh) leads to extract novel conclusions on the differences between both types of PSs. In particular, as given in Figure 1, the viscoholibility (the derivative of the logarithm ofviscosities) decreases with the increasing hole fraction,h, computed from the SS theory.
Keywords
References
- F. S. Dinc, T. Sedlacek, C. Tav and U. Yahsi, J. Appl. Polym. Sci., 131(5), 2014. DOI:10.1002/app.40540
- R. Simha and T. Somcynsky, Macromolecules, 2 (4), 342-&,1969.
Details
Primary Language
English
Subjects
-
Journal Section
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Publication Date
January 30, 2015
Submission Date
January 22, 2015
Acceptance Date
-
Published in Issue
Year 2015 Volume: 2 Number: 2
APA
Dinç, F., Sorrentino, A., Tav, C., & Yahşi, U. (2015). EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES. Journal of the Turkish Chemical Society Section A: Chemistry, 2(2), 12-14. https://doi.org/10.18596/jotcsa.57327
AMA
1.Dinç F, Sorrentino A, Tav C, Yahşi U. EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES. JOTCSA. 2015;2(2):12-14. doi:10.18596/jotcsa.57327
Chicago
Dinç, Fatma, Andrea Sorrentino, Cumali Tav, and Uğur Yahşi. 2015. “EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES”. Journal of the Turkish Chemical Society Section A: Chemistry 2 (2): 12-14. https://doi.org/10.18596/jotcsa.57327.
EndNote
Dinç F, Sorrentino A, Tav C, Yahşi U (January 1, 2015) EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES. Journal of the Turkish Chemical Society Section A: Chemistry 2 2 12–14.
IEEE
[1]F. Dinç, A. Sorrentino, C. Tav, and U. Yahşi, “EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES”, JOTCSA, vol. 2, no. 2, pp. 12–14, Jan. 2015, doi: 10.18596/jotcsa.57327.
ISNAD
Dinç, Fatma - Sorrentino, Andrea - Tav, Cumali - Yahşi, Uğur. “EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES”. Journal of the Turkish Chemical Society Section A: Chemistry 2/2 (January 1, 2015): 12-14. https://doi.org/10.18596/jotcsa.57327.
JAMA
1.Dinç F, Sorrentino A, Tav C, Yahşi U. EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES. JOTCSA. 2015;2:12–14.
MLA
Dinç, Fatma, et al. “EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES”. Journal of the Turkish Chemical Society Section A: Chemistry, vol. 2, no. 2, Jan. 2015, pp. 12-14, doi:10.18596/jotcsa.57327.
Vancouver
1.Fatma Dinç, Andrea Sorrentino, Cumali Tav, Uğur Yahşi. EFFECT OF TACTICITY ON VISCOSITY-HOLE FRACTION BEHAVIOR OF ATACTIC AND SYNDIOTACTIC POLYSTYRENES. JOTCSA. 2015 Jan. 1;2(2):12-4. doi:10.18596/jotcsa.57327
