Stable covalently photo-cross-linked poly(ionic liquid) membrane with gradient pore size

TL;DR

This paper presents a novel stable porous membrane made from covalently cross-linked poly(ionic liquid) with gradient pore sizes, achieved through UV-induced thiolene chemistry, enhancing membrane stability and functionality.

Contribution

It introduces a new method to create gradient pore size membranes using UV-induced thiolene chemistry on poly(ionic liquid), which is a significant advancement in membrane fabrication.

Findings

Membrane exhibits gradient pore size distribution.

Membrane shows enhanced stability due to covalent cross-linking.

Gradient pore structure is achieved via UV-induced thiolene chemistry.

Abstract

An imidazolium-based poly(ionic liquid) is covalently cross-linked via UV light-induced thiolene (click) chemistry to yield a stable porous polyelectrolyte membrane with gradients of crosslink density and pore size distribution along its cross-section.