Free Volume Measurements in Polyimides by Positronium Annihilation

• 1 January 1992
• journal article
• Published by Trans Tech Publications, Ltd. in Materials Science Forum
• Vol. 105-110, 1549-1552
• https://doi.org/10.4028/www.scientific.net/msf.105-110.1549

Abstract

Keywords

• FREE VOLUME
• MEMBRANE
• PERMEABILITY
• POLYIMIDE
• POSITRONIUM ANNIHILATION
• VOID