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Free-Volume Hole Properties of Gas-Exposed Polycarbonate Studied by Positron Annihilation Lifetime Spectroscopy

โœ Scribed by Hong, X.; Jean, Y. C.; Yang, Hsinjin; Jordan, S. S.; Koros, W. J.

Book ID
121872662
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
176 KB
Volume
29
Category
Article
ISSN
0024-9297

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โœ J.-P. Yuan; H. Cao; E. W. Hellmuth; Y. C. Jean ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 199 KB ๐Ÿ‘ 2 views

Positron annihilation lifetime (PAL) spectroscopy has been employed to study subnanometer hole properties in polysulfone (PSF). In this study, hole properties of size, fraction, and distribution of PSF exposed to CO 2 are reported. In the PSF/CO 2 system, the hole size and fraction significantly inc