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Polyimide-based separation membranes for liquid separation: A …
2024年1月1日 · This review provides a brief introduction to PIs and focuses on the fabrication and design of PI-based membranes for various liquid separation applications, including filtration …
Recent development of polyimides: Synthesis, processing, and ...
This article reviews recent research progress in aromatic high-performance polymers. Particularly, we focus on the synthesis and processing of polyimides, as well as the application in gas …
Polyimides in membrane gas separation: Monomer’s molecular design …
2019年4月1日 · Polyimides (PIs) are an important, well-established, and commercialized class of polymers due to their extraordinary physical and chemical properties. They have been …
Fine-tuning surface porosity of polyimide-based membranes for membrane …
4 天之前 · Furthermore, the 6FDA-mPDA-based polyimide membranes were also compared to previously reported membranes, as shown in Fig. 8 c and Table 5. Interestingly, the …
Polyimide-Based Membrane Materials for CO2 Separation: A
For practical reasons, polymeric membranes can be divided into two groups: rubbery and glassy. The difference between them is determined by the temperature of polymer glass transition …
Intrinsically Microporous Polyimides Based on a Rigid–Soft …
2025年1月30日 · Polyimide (PI)-based gas separation membranes are of great interest in the field of H2 purification owing to their good thermal stability, chemical stability, and mechanical …
Polyimide-derived carbon molecule sieve membranes for gas
2024年2月8日 · Polyimide-derived carbon molecular sieve (CMS) membranes mark an important step for various current, key energy-intensive separations. The excellent separation …
Tröger’s Base Polyimide Membranes with Enhanced …
3 天之前 · The rigid V-shaped Tröger’s base (TB) unit has been proven efficacious in creating microporosity, making TB-based polyimides (PIs) exhibiting significant advantages in …
Polyimide Membranes | Applications, Fabrications and Properties …
2022年1月26日 · This is a first attempt to provide a general analysis of developments in polyimide membrane synthesis and applications. It will serve as a valuable reference for those with an …
Polyimide Membrane Materials with Multiple Trifluoromethyl …
2023年9月21日 · In this work, the monomers containing multiple trifluoromethyl groups, including 4,4′-(hexafluoroisopropylidene) diphthalic anhydride (6FDA) and 2,2′-bis(trifluoromethyl) …