Thin film gas separation membranes

摘要

A gas separation membrane comprises aromatic polyimide polymers that comprise a plurality of repeating units of formula (I);
wherein X1 and Ar are herein defined.

主权项

1. A gas separation membrane comprising aromatic polyimide polymers that comprise a plurality of repeating units of formula:and/orand/orwherein:
n is from 1 to 10,000; p is from 10 to 1000 and, for each p, n and m are independently from 1 to 10,000; and z is from 10 to 1000 and, for each z, x and y are independently from 1 to 10,000.