Polymers of intrinsic microporosity(PIMs)have received considerable attention for making high-performance membranes for carbon dioxide separation over the last two decades,owing to their highly permeable porous struct...Polymers of intrinsic microporosity(PIMs)have received considerable attention for making high-performance membranes for carbon dioxide separation over the last two decades,owing to their highly permeable porous structures.However,challenges regarding its relatively low selectivity,physical aging,and plasticisation impede relevant industrial adoptions for gas separation.To address these issues,several strategies including chain modification,post-modification,blending with other polymers,and the addition of fillers,have been developed and explored.PIM-1 is the most investigated PIMs,and hence here we review the stateof-the-arts of the modification strategies of PIM-1 critically and discuss the progress achieved for addressing the aforementioned challenges via meta-analysis.Additionally,the development of PIM-1-based thin film composite membranes is commented as well,shedding light on their potential in industrial gas separation.We hope that the review can be a timely snapshot of the relevant state-of-the-arts of PIMs guiding future design and optimisation of PIMs-based membranes for enhanced performance towards a higher technology readiness level for practical applications.展开更多
基金funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 872102the China Scholarship Council(CSC,file no.202006240076)-University of Manchester joint studentship for supporting the PhD researchthe special innovation project fund from the Institute of Wenzhou,Zhejiang University(No.XMGL-KJZX-202204)。
文摘Polymers of intrinsic microporosity(PIMs)have received considerable attention for making high-performance membranes for carbon dioxide separation over the last two decades,owing to their highly permeable porous structures.However,challenges regarding its relatively low selectivity,physical aging,and plasticisation impede relevant industrial adoptions for gas separation.To address these issues,several strategies including chain modification,post-modification,blending with other polymers,and the addition of fillers,have been developed and explored.PIM-1 is the most investigated PIMs,and hence here we review the stateof-the-arts of the modification strategies of PIM-1 critically and discuss the progress achieved for addressing the aforementioned challenges via meta-analysis.Additionally,the development of PIM-1-based thin film composite membranes is commented as well,shedding light on their potential in industrial gas separation.We hope that the review can be a timely snapshot of the relevant state-of-the-arts of PIMs guiding future design and optimisation of PIMs-based membranes for enhanced performance towards a higher technology readiness level for practical applications.
