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Positron annihilation in free volume elements of polymer structures

โœ Scribed by V.P. Shantarovich; V.I. Goldanskii

Book ID
110314933
Publisher
Springer
Year
1998
Tongue
English
Weight
154 KB
Volume
116
Category
Article
ISSN
0304-3843

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Free volumes in polystyrene probed by po
Free volumes in polystyrene probed by positron annihilation
โœ Megumi Ban; Michihisa Kyoto; Akira Uedono; Takao Kawano; Shoichiro Tanigawa ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 525 KB

Free volume characteristics in three samples of monodisperse polystyrene were investigated by positron annihilation technique over a temperature range from 300 to 380 K. The numberaverage molecular weight of the samples ranged from 5730 to 1,524,000. The observed lifetime spectra were resolved into