Process for manufacturing fluoropolymer membranes

The present invention pertains to a process for manufacturing a fluoropolymer membrane, said process comprising the following steps: (i) providing a composition [composition (C)] comprising, preferably consisting of: - at least one fluoropolymer [polymer (F)], - a water-soluble liquid medium [medium (Mws)] comprising, preferably consisting of, at least one solvent selected from the group consisting of diesters of formula (I-de), esteramides of formula (l-ea) and diamides of formula (l-da): R1 (O=)CO-Ade-OC(=O)R2 (l-de) R1O(O=)C-Aea-C(=O)NR3R4 (l-ea) R5R6N(O=)C-Ada-C(=O)NR5R6 (l-da) wherein: - R1 and R2, equal to or different from each other, are independently selected from the group consisting of C1-C20 hydrocarbon groups; - R3, R4, R5 and R6, equal to or different from each other, are independently selected from the group consisting of hydrogen, C1-C36 hydrocarbon groups, possibly substituted, being understood that R3, R4, R5 and R6 might be part of a cyclic moiety including the nitrogen atom to which they a