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制备茶树油-聚乙烯吡咯烷酮电纺纤维的减压工艺

Reduced-Pressure Process for Fabricating Tea Tree Oil-Polyvinylpyrrolidone Electrospun Fibers.

作者信息

Zhu Li, Machmudah Siti, Kanda Hideki, Goto Motonobu

机构信息

Department of Materials Process Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.

Department of Chemical Engineering, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia.

出版信息

Polymers (Basel). 2022 Feb 15;14(4):743. doi: 10.3390/polym14040743.

DOI:10.3390/polym14040743
PMID:35215664
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8875683/
Abstract

Electrospun fibers containing tea tree oil (TTO) can be explored for practical applications due to the antimicrobial and anti-inflammatory activities of TTO. Considering that there are potentially toxic components in TTO, it is necessary to eliminate or reduce its content in the preparation process of TTO-doped electrospun fibers. In this work, electrospun TTO-PVP (polyvinylpyrrolidone) fibers containing an 18.18 wt.% decreased content of 1,8-Cineole were successfully fabricated by intense evaporation of a self-made reduced-pressure electrospinning (RP-ES) setup (as low as 94.4 kPa). In addition, such intense evaporation led to a morphology change, where a typical average fiber diameter increased from 0.831 to 1.148 μm, fewer and smaller beads in fibers, along with a rougher and grooves fiber surface. These morphology changes allowed Terpinen-4-ol to remain in the fiber for a more extended period. In addition, RP-ES proved the possibility for intense evaporation and continuous vapor removal by continuously environmental vacuum pumping of electrospinning.

摘要

由于茶树油（TTO）具有抗菌和抗炎活性，含有TTO的电纺纤维可用于实际应用。考虑到TTO中存在潜在的有毒成分，有必要在制备TTO掺杂的电纺纤维的过程中消除或降低其含量。在这项工作中，通过自制的减压电纺（RP-ES）装置（低至94.4 kPa）的强烈蒸发，成功制备了1,8-桉叶素含量降低18.18 wt.%的TTO-PVP（聚乙烯吡咯烷酮）电纺纤维。此外，这种强烈蒸发导致了形态变化，典型的平均纤维直径从0.831μm增加到1.148μm，纤维中的珠粒更少、更小，同时纤维表面更粗糙且有沟槽。这些形态变化使萜品-4-醇在纤维中保留的时间更长。此外，RP-ES通过对电纺过程进行连续的环境真空泵抽气，证明了强烈蒸发和连续去除蒸汽的可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3256/8875683/c68ff10134a0/polymers-14-00743-g015.jpg
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