Review on Electrospinning Block Copolymers
发布时间:2019-04-02   浏览次数:346

Electrospinning provides a versatile and cost-effective route for the generation of continuous nanofibres with high surface area-to-volume ratio. In parallel, block copolymers (BCPs) are promising candidates for many diverse applications, where nanoscale operation is exploited, owing to their intrinsic self-assembling behaviour at these length scales. Judicious combination of BCPs (with their ability to make nanosized domains at equilibrium) and electrospinning (with its ability to create nano- and microsized fibres and particles) allows one to create BCPs with high surface area-to-volume ratio to deliver higher efficiency or efficacy in their given application.

Recently, a comprehensive review of electrospun block copolymer nanofibers has been published by Professor Linge Wang’s group. This review provided with a focus on the various strategies used to electrospin BCPs and exploits their behaviour in nonwoven fabrics. The article described various properties of BCP nanofibers, such as the self-assembled structures within nanofibers after annealing and their hydrophilic and hydrophobic surface. Subsequently, the applications of functional BCP nanofibers as biomaterials, separation membranes, sensors and electronic materials were systemic summarized. Finally, a small selection of further applications was covered before we summarize and provide an outlook on this exciting field.

 

Figure 1. The various properties and applications of BCP nanofibres through the manipulation of electrospinning.

This work has been published in Soft Matter. Lei Chen and Shuo Wang are co-first authors. The corresponding author is Prof. Linge Wang (South China University of Technology). The authors thank the financial support from National Key R&D Program of China and Guangdong Innovative and Entrepreneurial Research Team Program.

L. Chen, et. al., A comprehensive review of electrospinning block copolymers, Soft Matter, 2019, 15, 2490-2510.

Link: https://pubs.rsc.org/en/content/articlehtml/2019/sm/c8sm02484g


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