Mixed Matrix Membranes Loaded with a Porous Organic Polymer Having Bipyridine Moieties.

ABSTRACT: Mixed matrix membranes (MMMs), derived from three aromatic polyimides (PIs), and an affordable porous organic polymer (POP) having basic bipyridine moieties were prepared. Matrimid and two fluorinated polyimides, which were derived from 4,4'-(hexafluoroisopropylidene)diphthalic anhydride and 2,2'-bis(4-aminophenyl)hexafluoropropane (6F6F) or 2,4,6-trimethyl-m-phenylenediamine (6FTMPD), were employed as polymer matrixes. The used POP was a highly microporous material (surface area of 805 m² g^-1) with excellent thermal and chemical stability. The MMMs showed good compatibility between the PIs and POP, high thermal stabilities and glass transition temperatures superior to those of the neat PI membranes, and good mechanical properties. The addition of POP to the matrix le

SUBMITTER: Rico-Martinez S 

PROVIDER: S-EPMC9228454 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature