Polyimide and polyamide-imide gas separation membranes

Details Polyimide and polyamide-imide gas separation membranes Polyimide and polyamide-imide gas separation membranes

1992-11-03

1993-08-03

Foelak, Morton

Gas separation

Means within gas stream for conducting concentrate to collector

55158, 21050023, 528353, 528183, 528188, 528350, 528 26, B01D 1304

Patent

active

052324729

ABSTRACT:
Novel polyimide and polyamide-imide gas separation membranes and the process of using such membranes to separate one or more gases from a gaseous mixture is disclosed. The polyimides and polyamide-imides are formed from a blend of diamines containing the ester derived from 1,3-diamino-2-hydroxypropane.

REFERENCES:
patent: 3533997 (1970-10-01), Angelo
patent: 4080744 (1978-03-01), Manos
patent: 4120098 (1978-10-01), Manos
patent: 4230463 (1980-10-01), Henis et al.
patent: 4734464 (1988-03-01), Biensan
patent: 4859384 (1989-08-01), Fibiger et al.

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