Influence of Solvent Nature on the Morphology and Sorption Properties of Polystyrene Nonwoven Materials

IF 0.5 4区 工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY Fibre Chemistry Pub Date : 2024-08-13 DOI:10.1007/s10692-024-10498-y
S. N. Malakhov, N. M. Kuznetsov, A. Yu. Vdovichenko, E. Yu. Nikitina, S. N. Chvalun
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Abstract

Nonwoven microfibrous materials were electrospun from polystyrene solutions of concentrations 15-25 wt% in various solvents (DMF, THF, CHCl3, and EtOAc). Scanning electron microscopy found that fibers of various morphologies, both round and ribbonlike, with smooth and porous surfaces could be produced depending on the spinning solution parameters and process conditions. The average fiber diameter could be regulated in the range 0.5-20 μm. Addition to the spinning solutions of EtOH was shown to improve their rheological and electrophysical characteristics, to decrease the average diameter of the resulting fibers, and to improve their homogeneity. The obtained materials demonstrated superhydrophobic properties and high sorption capacity (up to 185 g/g) for motor and silicone oils. This enabled them to be considered effective sorbents for remediating spills of oil products from water surfaces.

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溶剂性质对聚苯乙烯无纺材料形态和吸附性能的影响
从浓度为 15-25 wt%的聚苯乙烯溶液在各种溶剂(DMF、THF、CHCl3 和 EtOAc)中电纺出了无纺布微纤维材料。扫描电子显微镜发现,根据纺丝溶液参数和工艺条件的不同,可以制备出各种形态的纤维,既有圆形的,也有带状的;既有光滑的,也有多孔的。纤维的平均直径可在 0.5-20 μm 的范围内调节。在纺丝溶液中加入 EtOH 可改善其流变和电物理特性,减小纤维的平均直径,并提高其均匀性。所获得的材料具有超疏水特性,对机油和硅油具有很高的吸附能力(高达 185 克/克)。因此,这些材料被认为是有效的吸附剂,可用于补救水面的油品泄漏。
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来源期刊
Fibre Chemistry
Fibre Chemistry 工程技术-材料科学:纺织
CiteScore
0.70
自引率
60.00%
发文量
70
审稿时长
6-12 weeks
期刊介绍: Fibre Chemistry publishes original research and review articles in the field of man-made fibre production and application. The journal offers scientific and technical articles on the following aspects: chemistry, technology, machinery and economics of man-made production; the initial monomers and polymers; the properties of man-made fibres and their processing in various industry branches (textiles, rubber, composites, etc).
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