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Solvent-free two-component electrospinning of ultrafine polymer fibers

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Abstract

Solvent recovery is a big challenge in conventional solution electrospinning for the large-scale production of ultrafine fibers because the precursor utilization ratio is usually less than 20 wt%. In this paper, we report an eco-friendly two-component electrospinning technique for the fabrication of acrylate composite fibers using a homemade device at room temperature. During this electrospinning process, the two-component spinning solutions (component A: t-butyl peroxy-2-ethyl hexanoate (BPOEH), isobornyl methacrylate (IBOMA), nitrile rubber (NBR), methacrylic acid (MAA); component B: N,N-dimethylaniline (DMA), IBOMA, NBR and MAA) are nearly all electrospun into ultrafine fibers, and the utilization ratio of the precursor can reach more than 90 wt%. The fiber solidification mechanism can be ascribed to the rapid polymerization of the IBOMA monomer in the presence of free radicals formed by a redox initiation system (BPOEH + DMA), which is different from the solvent evaporation in solution electrospinning or cooling solidification in melt electrospinning. Such a two-component electrospinning technique may stimulate the development of an eco-friendly approach to fabricate composite and functional ultrafine fibers.

Graphical abstract: Solvent-free two-component electrospinning of ultrafine polymer fibers

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Publication details

The article was received on 28 Mar 2018, accepted on 30 May 2018 and first published on 31 May 2018


Article type: Paper
DOI: 10.1039/C8NJ01513A
Citation: New J. Chem., 2018, Advance Article
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    Solvent-free two-component electrospinning of ultrafine polymer fibers

    Y. Zhao, X. Yan, H. He, M. Liu, X. Wang, G. Nie, J. Zhang, J. Fu and Y. Long, New J. Chem., 2018, Advance Article , DOI: 10.1039/C8NJ01513A

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