in crystalline and liquid crystalline polymers seems to depend more on the gas
diffusivity rather than the solubility. Furthermore, the crystalline phase effectively
increases gas diffusivity in crystalline and liquid crystalline polymers. This result
Fig. 8 Relationship between
gas diffusivity and solubility
in the amorphous phase
compared to crystalline and
liquid crystalline polymers for
(a) CO 2 , (b) N 2 , and (c) O 2 .
The represented symbols are:
crystalline polymers (●),
liquid crystalline polymers
(~), and conventional
amorphous glassy polymers
(○). (Reprinted with
permission from J Membr
Sci., 365, 40. (Copyright
(2010) Elsevier)
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