High‐Performance Processable Aromatic Polyamides

Fluorinated Poly(Arylene Ether)s

“…In this context, the design of new membrane materials with both high permeability and permselectivity is highly desirable. In designing such polymers for gas permeation study, attention is directed to the introduction of bulky pendant groups, cardo non-coplanar or asymmetric moieties and ether linkages, and so forth, into the polymer main chain [65,[104][105][106]. However, polymers with bulky groups inhibit interchain packing (i.e., increase FFV) and restrict rotational mobility (i.e., rigidity increase) around the flexible linkages, which finally imparts an improvement in both permeability and permselectivity [96,[98][99][100][101].…”

Fluorinated Polyamides

“…Low-temperature polycondensation methods are of two types: two-phase (interfacial) polycondensation and direct low-temperature polycondensation [26][27][28][29][30].…”

“…Superior mechanical, thermal, and film-forming ability of the soluble polyaramids made them attractive material for membrane-based applications [29]. Incorporation of specific groups into the PA backbone leads to high-performance polymeric materials that can be used as gas separation, PV, and PEM materials.…”

Fluorinated poly(arylene ether)s with aliphatic chain appended cardo moiety: Synthesis and gas transport properties

“…In designing such polymers for gas permeation study, attention was directed to the introduction of bulky pendent groups, cardo non-coplanar or asymmetric moieties and ether linkages etc. into the polymer main chain [16][17][18][19]. In relation to this, fluorinated polymers were proved to be better candidates in terms of higher permeability as well as permselectivity [20][21][22][23].…”