无氟复合纳米纤维膜，通过静电纺丝/喷雾工艺增强了远红外发射率、防水性和透气性

IF 7.7 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2025-09-15 DOI:10.1016/j.coco.2025.102593

Qinwen Ouyang , Mengyao Liu , Ying Hu , Fangqing Ge , Jinbo Huang , Huifang Zhang , Yongbo Zhang , Junlu Sheng , Yunyun Zhai

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引用次数: 0

摘要

远红外材料对人体健康有潜在的好处，而防水和透气的纳米纤维膜在医疗保健领域是理想的。本研究将电纺丝聚丙烯腈/电气石（PAN/TM）与电喷涂热塑性聚氨酯/硅橡胶（TPU/SR）相结合，经热处理制备防水透气纳米纤维膜（PTTS WBM）。PAN/TM膜具有高孔隙率和透气性，同时含有TM纳米颗粒（NPs），具有优异的远红外发射率。SR是一种无氟防水剂，提高了TPU的防水性，TPU的串珠结构经过热处理后形成键合结构，增强了力学性能。结果表明，pttts -3:2膜具有良好的疏水性，水接触角为139.2°，远红外发射率为0.93，温升为2.4°C。经120℃热处理后，拉伸应力达到12.8 MPa，静水耐压达到32.2 kPa，力学性能也得到了显著提高。此外，制备的加热后的PTTS-3:2膜在浓酸性/碱性溶液中浸泡12小时后，没有明显的形态变化，具有优异的耐腐蚀性。因此，结合远红外发射率的多功能PTTS WBM有望在户外装备、防护服、医疗保健等领域有广泛的应用。

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Fluorine-free composite nanofibrous membrane with enhanced far-infrared emissivity, waterproofness, and breathability via electrospinning/spray process

Far-infrared materials are potentially beneficial for human health, while waterproof and breathable nanofibrous membranes are desirable in the medical and healthcare fields. In this study, electrospun polyacrylonitrile/tourmaline (PAN/TM) was integrated with electrosprayed thermoplastic polyurethane/silicone rubber (TPU/SR) followed by heat treatment to fabricate a waterproof and breathable nanofibrous membrane (PTTS WBM). The PAN/TM membrane provided high porosity for breathability while incorporating TM nanoparticles (NPs) for excellent far-infrared emissivity. SR is a fluorine-free water repellent that improved waterproofness, the bead-on-string structure of TPU formed bonding structure after heat treatment, resulting in reinforced mechanical performance. The results showed the PTTS-3:2 membrane exhibited excellent hydrophobicity with a water contact angle of 139.2°, a desirable far-infrared emissivity of 0.93, and a temperature rise of 2.4 °C. When heat-treated at 120 °C, the mechanical properties were also greatly enhanced with a tensile stress of 12.8 MPa and hydrostatic pressure resistance of 32.2 kPa. Furthermore, the as-prepared heated PTTS-3:2 membrane had excellent corrosion resistance with no substantial morphological changes after immersion in concentrated acidic/alkaline solutions for 12 h. Thus, the multifunctional PTTS WBM combining the far-infrared emissivity was expected to have a wide range of applications in outdoor equipment, protective clothing, healthcare, and other fields.

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.