Matrix effect of mixed-matrix membrane containing CO2-selective MOFs

Matrix effect of mixed-matrix membrane containing CO2-selective MOFsMatrixeffectofmixed-matrixmembranecontainingCO2-selectiveMOFsJiyoungKim,1JiyoungChoi,1YongSooKang,2JongokWon11DepartmentofChemistry,SejongPolymerResearchCenter,SejongUniversity,209,Neungdong-Ro,Gwangjin-Gu,Seoul143-747,Korea2DepartmentofEnergyEngineering,HanyangUniversity,222Wangsimni-Ro,Seongdong-Gu,Seoul133-791,KoreaCorrespondenceto:J.Won(E-mail:jwon@sejong.ac.kr)ABSTRACT:Facilitatedmixed-matrixmembranes(MMMs)containingCu-metalorganicframeworks(Cu-MOFs)withhighCO2selec-tivityonanasymmetricpolysulfonesupportwerefabricatedandexaminedtheeffectofgasseparationperformanceusingdifferentmatrices.Anamorphouspoly(2-ethyl-2-oxazoline)(POZ)andsemicrystallinepoly(amide-6-b-ethyleneoxide)(PEBAXVRMH1657)blockcopolymerwerechosenasthepolymericmatrixandtheeffectofthematrixonCO2separationforMMMscontainingCu-MOFswasinvestigated.TheinteractionofCO2indifferentmatrixwasinvestigatedtheoreticallyusingthedensityfunctionaltheorymethod,anditwas