聚酰亚胺碳分子筛气体分离膜的研究进展

Research Progress in Polyimide Molecular Sieve Membrane for Gas Separation

聚酰亚胺碳分子筛膜由于具有较高的热稳定性、耐化学性、气体渗透性和选择性,而受到广泛关注。根据近年来聚酰亚胺碳分子筛膜在气体分离方面的研究现状,详细介绍了填充改性、对前驱体进行预处理和聚酰亚胺单体改性的研究成果,并展望了聚酰亚胺碳分子筛分离膜的发展趋势,以期为未来高效分离膜的研发提供参考。

Polyimide carbon molecular sieve membranes have attracted extensive attention due to the high thermal stability,chemical resistance,gas permeability and selectivity.According to the research status of polyimide carbon molecular sieve membranes in gas separation in recent years,filling modification,precursor pretreatment and polyimide monomer modification are described in detail in this article.Finally,the development prospect of polyimide carbon molecular sieve membranes in gas separation is forecasted,which provides a reference for the research and development of high-efficiency separation membranes in the future.