Positron lifetime spectroscopy has been applied to study the temperature dependence of free-volume properties in a solvent-free polymer-salt complex polyethylene oxide (PEO) doped with ammonium iodide (NH 4 I, with NH / 4 /EO Γ 0.076) in the temperature range of 298-353 K. The observed lifetime spec
Positron annihilation and free volume studies in polymer glasses
β Scribed by V. P. Shantarovich
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 795 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0887-6266
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Comprehensive, state-of-the-art coverage of advanced research in polymer physics This book offers a much-needed overview of the science of polymer physics today. It walks readers through important areas of advanced research in the field, explaining what scientists and engineers need to know about t
Free volumes in thermotropic side-chain liquid-crystalline polymers were probed by positron annihilation technique. Lifetime spectra of positrons were measured in the temperature range between 130 and -60Β°C in cooling. For a nematic liquid-crystalline polymer (polyacrylate), the lifetime of ortho-po