Sorption and partial molar volumes of inert gases in rubbery polymers
β Scribed by Yoshinori Kamiya; Keishin Mizoguchi; Yasutoshi Naito
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 671 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0376-7388
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## Abstract Sorption of N~2~, O~2~, Ar, CH~4~, CO~2~, C~2~H~4~, and C~2~H~6~ in poly (dimethyl siloxane) liquid and rubber and the dilation of the polymers due to sorption of the gases are studied at 25Β°C under pressures up to 50 atm. In the liquid, the sorption isotherms for lowβsolubility and hig
During supposedly isothermal sorption/desorption of gases or vapors by solid polymers, latent heat effects alter local temperatures with the result that diffusion behavior may appear to be non-Fickian. Even when sorption curves are seemingly Fickian, spurious values of the diffusion coefficient, D,