Aromatic Polyimide Membranes with <i>tert</i>-Butyl and Carboxylic Side Groups for Gas Separation Applications—Covalent Crosslinking Study
A set of aromatic copolyimides was obtained by reaction of 4,4′-(hexafluoroisopropylidene) diphthalic anhydride (6FDA), and mixtures of the diamines 1,4-bis(4-amino-2-trifluoromethylphenoxy)-2,5-di-<i>tert</i>-butylbenzene (CF<sub>3</sub>TBAPB) and 3,5-diamino benzoic acid (D...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2022-12-01
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Series: | Polymers |
Subjects: | |
Online Access: | https://www.mdpi.com/2073-4360/14/24/5517 |