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Positron Lifetime Study on Microstructural Changes in Iodine-Doped Polymer PPO

โœ Scribed by Chandrashekara, A. ;Sreeramalu, V. ;Sreepad, H. R. ;Ravindrachary, V. ;Ranganathaiah, C. ;Gopal, S.


Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
434 KB
Volume
125
Category
Article
ISSN
0031-8965

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Measurements of average free volume hole sizes, อ—v f อ˜, and the fractional free volumes, f ps , in vulcanized cis-polyisoprene (CPI), high-vinyl polybutadiene (HVBD), and their 50 : 50 blend were made via determination of orthopositronium annihilation lifetimes. The results are compared to correspon