Positron Annihilation Lifetime Study of High and Low Free Volume Glassy Polymers: Effects of Free Volume Sizes on the Permeability and Permselectivity
โ Scribed by Shantarovich, V. P.; Kevdina, I. B.; Yampolskii, Yu. P.; Alentiev, A. Yu.
- Book ID
- 121307023
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 150 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0024-9297
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Measurements of average free volume hole sizes, อv 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