The high stability of ZIFs-based membranes ensures reliability and reproducibility in the separation performance for CO2, which are necessary for industrial applications. The chemical and thermal stability of ZIFs-based membranes are not widely investigated compared to ZIF crystals . There are only a few reports on the strength of ZIFs-based membranes . ZIF-69 membrane exhibits high chemical stability . It showed good composure under boiling with methanol and benzene . However, the membranes were unstable in boiling water.