Abstract:Although the solubility and diffusivity of each gas and vapour in each polymer are temperature and in some systems pressure (concentration) dependent, regular trends are noted when either many gases are studied in a single polymer or a single gas is studied in many polymers. Several empirical though scientifically based correlations of such data have been proposed which are at best semi-quantitative. In this paper improved correlations are described to correlate data on diffusivities D and solubilities S of ra… Show more
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