Abstract
A comprehensive model considering both diffusion and reactions simultaneously was established and the diffusion coefficient of ethylene glycol, De was obtained by comparing with the desorption results in solid state poly(ethylene terephthalate). The diffusion coefficient of ethylene glycol, De was found to be proportional to the volume fraction of amorphous of poly(ethylene terephthalate) sample, and it was 5.67×10−8 cm2 s−1 at 230°C, χc=0.373, which is slightly higher than reported elsewhere.8 The activation energy for diffusion in solid state poly(ethylene terephthalate) was 28 kcal g−1 mol−1.
Similar content being viewed by others
Article PDF
References
K. J. Lee, D. Y. Moon, O. O. Park, and Y. S. Kang, J. Polym. Sci., Polym. Phys. Ed., 30, 707 (1992).
S. Chang, M. F. Shen, and S. M. Chen, J. Appl. Polym. Sci., 28, 3289 (1983).
K. Ravindranath and R. A. Mashelker, AIChE J., 30, 415 (1984).
J. Brandrup and E. H. Immergut, “Polymer Handbook,” 3rd ed, John Wiley, New York, N. Y., 1989.
D. W. Van Krevelen, “Properties of Polymers, “2nd ed, Elsevier, Amsterdam, 1976.
S. A. Jabarin, Polym. Eng. Sci., 24, 376 (1984).
W. H. Cobbs, Jr. and R. L. Burton, J. Polym. Sci., 10, 275 (1953).
T. M. Chang, Polym. Eng. Sci., 10, 364 (1970).
S. A. Jabarin and E. A. Lofgren, J. Appl. Polym. Sci., 32, 5315 (1986).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Yoon, K., Kwon, M., Jeon, M. et al. Diffusion of Ethylene Glycol in Solid State Poly(ethylene terephthalate). Polym J 25, 219–226 (1993). https://doi.org/10.1295/polymj.25.219
Issue Date:
DOI: https://doi.org/10.1295/polymj.25.219
Keywords
This article is cited by
-
A review on Copoly(ether-ester) elastomers: degradation and stabilization
Journal of Polymer Research (2019)
-
Evaluation of Poly(ethylene-terephthalate) Products of Chemical Recycling by Differential Scanning Calorimetry
Journal of Polymers and the Environment (2009)