Gas Permeation Related to the Moisture Sorption in Films of Glassy Hydrophilic Polymers

  title={Gas Permeation Related to the Moisture Sorption in Films of Glassy Hydrophilic Polymers},
  author={Fesia Lestari Laksmana and Paul J. A. Hartman Kok and Henderik W. Frijlink and Herman Vromans and van der Kees Voort Maarschalk},
  journal={Journal of Applied Polymer Science},
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 simultane- ous moisture sorption into various hydroxypropyl methylcel- lulose (HPMC) films were measured under a wide range of relative humidities using sorption analyzer equipment. Cor- respondingly, the oxygen permeability at different ambient conditions was measured using an oxygen detector. The solu- bility of oxygen in the HPMC film… 
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