Anisotropy of hole structures in oriented polycarbonate probed by two-dimensional angular correlation of annihilation radiation

Journal of Polymer Science, Part B: Polymer Physics

Volumn 34, Issue 17, 1996, Pages 2979-2985

  Jean, Y C ^a   Rhee, Y ^a   Lou, Y ^a   Shelby, D ^b   Wilkes, C L ^b  

^a UNIVERSITY OF MISSOURI KANSAS CITY   (United States)

^b State University   (United States)

Author keywords

2D ACAR; Anisotropy; Correlation; Free volume; Oriented polymers; Polycarbonate; Positron annihilation

Indexed keywords

ANISOTROPY; IMAGE ANALYSIS; MOLECULAR STRUCTURE; OPTICAL CORRELATION; PROBES; THREE DIMENSIONAL;

FREE VOLUME; POSITRON ANNIHILATION SPECTROSCOPY (PAS); TWO DIMENSIONAL ANGULAR CORRELATION ANNIHILATION RADIATION (2D-ACAR); UNIAXIALLY ORIENTED BISPHENOL A POLYCARBONATES;

POLYCARBONATES;

EID: 0030410525     PISSN: 08876266     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1099-0488(199612)34:17<2979::AID-POLB10>3.0.CO;2-5     Document Type: Article

References (17)

1. For example, see J. D. Ferry, Viscoelastic Properties of Polymers, 3rd ed., Wiley, New York, 1980.
2. For example, see Y. C. Jean, in Positron Spectroscopy of Solids, A. Dupasquier and A. P. Mills, Jr., Eds., IOS Press, Amsterdam, 1995, p. 563.
3. For example, see R. N. West, in Positron Spectroscopy of Solids, A. Dupasquier and A. P. Mills, Jr., Eds., IOS Press, Amsterdam, 1995, p. 75.
4. Y. C. Jean, H. Nakanishi, L. Y. Hao, and T. C. Sandreczki, Phys. Rev. B, 42, 9705 (1990).
5. Y. C. Jean, Y. Rhee, Y. Lou, H. L. Yen, H. Cao, K. Cheng, and Y. Gu, Phys. Rev. B, 54, 1785 (1996).
6. E. Ito, K. Sawamura, and S. Saito, Colloid and Polymer Sci., 253, 480 (1975).
7. For example, see R. S. Stein and G. L. Wilkes, in Structure and Properties of Oriented Polymers, I. M. Ward, Ed., Applied Sciences, London, 1975, p. 57.
8. G. L. Wilkes, Encyclopedia of Polymer Science and Engineering, 14, 542 (1983).
9. S. Berko, Momentum Distributions, R. N. Silver and P. E. Sokol, Eds., Plenum Press, New York, 1989, p. 273.
10. H. Nakanishi and Y. C. Jean, in Positron and Positronium Chemistry, D. M. Schrader and Y. C. Jean, Eds., Elsevier, Amsterdam, 1988.
11. Y. C. Jean, Microchem. J., 42, 72 (1990).
12. S. J. Tao, J. Chem. Phys., 56, 5499 (1972).
13. M. Eldrup, D. Lightbody, and J. N. Sherwood, J. Chem. Phys., 63, 51 (1981).
14. H. Nakanishi, S. J. Wang, and Y. C. Jean, in Positron Annihilation Studies of Fluids, S. C. Sharma, Ed., World Scientific, Singapore, 1988, p. 292.
15. PATFIT package (1989), purchased from Risø National Laboratory, Denmark.
16. It can easily be shown mathematically that two gaussian functions with FWHM, θ1/2, and θ, are convoluted to a single gaussian function.
17. Y. C. Jean and H. Shi, J. Non-Cryst. Solids, 172-174, 806 (1994).