Effects of film thickness on density and gas permeation parameters of glassy polymers
โ Scribed by A.M. Shishatskii; Yu.P. Yampol'skii; K.-V. Peinemann
- Book ID
- 103790656
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 768 KB
- Volume
- 112
- Category
- Article
- ISSN
- 0376-7388
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๐ SIMILAR VOLUMES
Gas sorption and permeation of physically treated glassy polymeric membranes is studied from the viewpoint of the transport mechanism and the control of microvoids in the membrane. Physical treatments, such as sub-T g annealing, thermal quenching, and CO 2 pressure conditioning were found to be effe
## Abstract The purpose of this article is to elucidate the effect of integral sorption of moisture on gas permeation in glassy hydrophilic polymers. The oxygen and the simultaneous moisture sorption into various hydroxypropyl methylcellulose (HPMC) films were measured under a wide range of relativ