Amine-modified polyimide membranes

Details Amine-modified polyimide membranes Amine-modified polyimide membranes

1989-06-01

1991-01-01

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55158, B01D 5322, B01D 7164

Patent

active

049814974

ABSTRACT:
Process of reacting polyimide membranes for separation of mixtures of fluids and particularly separation of mixtures of gas with primary or secondary mono-, di-, tri- or polyamines and the resultant products are disclosed. This modification results in improved gas permeation properties and, in some cases, improved environmental resistance.

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