Data of manuscript "Effect of cation's alkyl chain length of imidazolium-driven PVDF-based supported ionic liquid membranes on the CO2 separation performance from biogas and flue gas."

Data of manuscript Title: Effect of cation’s alkyl chain length of imidazolium-driven PVDF-based supported ionic liquid membranes on the CO2 separation performance from biogas and flue gas Authors: Marco-Velasco G, Martínez-Soria V, Izquierdo M, Chafer A, Badia-Valiente JD Journal: Carbon Capture and Technology, Elsevier (2026) Affiliations: Research Group in Materials Technology and Sustainability (MATS), Department of Chemical Engineering, School of Engineering, University of Valencia, Avda. Universitat s/n, 46100 Burjassot, Spain. * Correspondence: jose.badia@uv.es (J.D.B-V.) Funding: This research was supported by project PID2021-1224950A-I00 and TED2021-131276A-I00, funded by Ministerio de Ciencia, Innovación y Universidades (MCIU, Spain) (MCIN/AEI/10.13039/501100011033) and by European Union NextGenerationEU/PRTR and ERDF/EU. The PhD grant of G. Marco-Velasco was also funded by MCIU (FPU23/02636).