DOI: 10.1063/1.437544. Depolarized Rayleigh spectroscopy of polystyrene near the glass

Depolarized Rayleigh spectroscopy of polystyrene near the glass–rubber relaxation

10.1063/1.437544

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Depolarized Rayleigh scattering in polystyrene near the glass–rubber relaxation is studied using photon correlation spectroscopy. The observed correlation functions cannot be fit to a single exponential decay, but the empirical form CH(t)−1=δ+A exp[−2 (t/τ)β] describes the results very well. Average relaxation times 〈τ〉= (τ/β) Γ (1/β) are determined from 100 to 130°C. The apparent activation energy for the change of 〈τ〉 with temperature is over 80 kcal/mole. Depolarized Rayleigh spectroscopy should prove to be a very useful tool in the study of relaxation behavior in polymers.

Bibliography

Patterson, G. D., Lindsey, C. P., & Stevens, J. R. (1979). Depolarized Rayleigh spectroscopy of polystyrene near the glassârubber relaxation. The Journal of Chemical Physics, 70(2), 643â645.

Authors 3

G. D. Patterson (first)
C. P. Lindsey (additional)
J. R. Stevens (additional)

References 9 Referenced 67

10.1088/0022-3719/6/3/004 / J. Phys. C (1973)
{'key': '2024020917373168100_r2'}
10.1063/1.1679181 / J. Chem. Phys. (1973)
10.1063/1.436975 / J. Chem. Phys. (1978)
{'key': '2024020917373168100_r5'}
{'key': '2024020917373168100_r6'}
10.1063/1.321639 / J. Appl. Phys. (1975)
10.1111/j.1151-2916.1975.tb19573.x / J. Am. Ceram. Soc. (1975)
10.1002/pol.1970.160080202 / J. Polym. Sci. A-2 (1970)

Dates

Type	When
Created	22 years, 6 months ago (Feb. 27, 2003, 5:52 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 2:30 p.m.)
Indexed	4 months, 2 weeks ago (April 9, 2025, 4:30 p.m.)
Issued	46 years, 7 months ago (Jan. 15, 1979)
Published	46 years, 7 months ago (Jan. 15, 1979)
Published Print	46 years, 7 months ago (Jan. 15, 1979)

Funders 0

None

BibTeX

@article{Patterson_1979, title={Depolarized Rayleigh spectroscopy of polystyrene near the glass–rubber relaxation}, volume={70}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.437544}, DOI={10.1063/1.437544}, number={2}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Patterson, G. D. and Lindsey, C. P. and Stevens, J. R.}, year={1979}, month=jan, pages={643–645} }

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