“…Compared to the NIPS method, there are fewer variables to control [21][22][23][24][25][26], and the prepared membranes have a porous skin layer and bi-continuous pores, which usually results in a high permeation flux and good mechanical properties. Crystalline polymers, such as polypropylene (PP) [28], polyethylene (PE) [29], poly(vinylidene fluroride) (PVDF) [30], poly(ethylene-co-vinyl alcohol) (EVOH) [31], ethylene-acrylic acid copolymer (EAA) [32], polyphenylene (PPS) [33], poly(ether ether ketone) (PEEK) [34], poly(oxymethylene) (POM) [35], poly(ethylene chlorotrifluoroethylene) (PECTFE) [36], poly(4-methyl-1pentene) (PMP) [37] and poly(L-lactic acid) (PLLA) [38], as well as amorphous polymers, such as poly(vinyl butyral) (PVB) [39], poly(methyl methacrylate) (PMMA) [40] and polystyrene (PS) [41], have been prepared successfully by using the TIPS process. Moreover, some researchers have focused on simulating the phase separation dynamics of membrane formation in TIPS [42,43].…”