期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 42, 期 16, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.202100235
关键词
block copolymers; functionalization; isoporous membranes; swelling
资金
- Projekt DEAL
SNIPS is a membrane fabrication technique that combines evaporation induced self-assembly of block copolymers and nonsolvent induced phase separation, allowing for the creation of isoporous membranes with soft nanochannels. This technology has potential applications in ultrafiltration and nanofiltration, showcasing accessible pore functionality and the ability to tune soft nanochannel swelling.
SNIPS stands for a membrane fabrication technique that combines the evaporation induced self-assembly of the block copolymers and the classical nonsolvent induced phase separation. It is a one-step readily scalable technique to fabricate integral asymmetric isoporous membranes. The prominent developments in the last decade have carved out a niche for SNIPS as a potential technique to fabricate next generation isoporous membranes. In the last decade, a rich polymer library and variety of membrane postmodification routes have been successfully implemented to fabricate SNIPS membranes having the desired pore functionality. Some of these membranes form soft nanochannels in hydrated state due to swelling of the pore wall, i.e., the pore forming block of the block copolymer. These membranes having soft nanochannels have demonstrated the potential to perform several challenging separation tasks in ultrafiltration and nanofiltration. This paper highlights the currently accessible pore functionality, the strategies to tune the swelling of the soft nanochannels, the potential applications, and future perspectives of these membranes.
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