Abstract
AbstractThe complex formation reaction of epoxidized styrene‐butadiene‐styrene triblock copolymer (ESBS) with (N,N‐disalicylideneethylenediamine) cobalt(II) (CoS) in chloroform solution is studied. The coordination number and formation constant are determined by the Miller method. The membranes of ESBS complexing with CoS (ESBS–CoS) are made by solution casting method. The kinetics of oxygen binding to ESBS–CoS membrane is studied and the equilibrium constant, association, and dissociation constant are determined. The membrane of ESBS–CoS has the affinity to absorb oxygen with reversibility and that is confirmed by the studies of DSC. Due to the reversible absorption of oxygen to ESBS–CoS, the permeation of oxygen through ESBS–CoS membrane can be explained by dual mode.
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