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It is argued that gas separation properties (in particular, selectivity) of glassy polymers are better correlated with the kinetic free volume fraction, fK = 1 - Ka/K~, rather than with the geometrical counterpart, f6 = 1 - Ka (where Ka and K? are the molecular packing coefficients in the amorphous and crystalline states, respectively).

Посилання на статтю:

Kinetic free volume controlled gas separation properties of glassy polyheteroarylenes / Valery P. Privalko // Polymer. – 1992. – Vol 33. – P. 2452-2453.

Kinetic free volume controlled gas separation properties of glassy polyheteroarylenes - Завантажити.