Optimizing solvent-resistant nanofiltration (SRNF) polyimide membrane preparation towards sustainable upscaling via casting from dimethyl isosorbide and crosslinking with polyethylenimine

Key Points

• Membrane preparation shows improved resistance under solvent conditions, enhancing efficiency.
• Key evidence indicates that polyimide membranes cast from dimethyl isosorbide significantly outperform conventional methods.
• Analysis of membrane characteristics emphasizes crosslinking with polyethylenimine to boost durability and performance.
• This work highlights the potential for sustainable scaling up of nanofiltration technologies—encouraging further exploration.