Alkyl substituted aromatic polyester gas separation membranes

Details Alkyl substituted aromatic polyester gas separation membranes Alkyl substituted aromatic polyester gas separation membranes

1993-04-14

1994-10-04

Spitzer, Robert

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

95 54, 96 4, B01D 5322, B01D 7148

Patent

active

053522737

ABSTRACT:
Novel alkyl-substituted aromatic polyester gas separation membranes and the process of using such membranes to separate one or more gases from a gaseous mixture is disclosed. The polyesters are formed from aromatic alcohols of the formula ##STR1## where Z is independently alkyl groups having 1 to 10 carbon atoms, most preferably a tertiary butyl group, n is an integer from 0 to 4, preferably 1.

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