Abstract
Mixed matrix membranes (MMMs) are considered a new-generation membrane for gas purification applications and have become a focus for research and development in both academic and industrial interests due to their unique properties combining inherent characteristics of polymer and inorganic fillers. The development of MMMs has had a long history, since the first pioneer work in 1973 on the incorporation of zeolite 5A molecular sieves into a rubbery polymer, polydimethyl siloxane (PDMS). The incorporation of zeolite materials in various polymeric matrices still maintains its high popularity among the membrane community. This chapter reviews the progress in the development of zeolite-based MMMs. The transport mechanism in MMMs is also discussed, for a better understanding of the interrelation among gas molecules, polymers, and fillers. In addition, the major challenges of zeolite-based MMMs and the strategies for overcoming such barriers are discussed in detail.
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