Surface active functional groups enhanced PET non-woven fabric for the filtering of harmful substances in smoke

IF 1.6 Q4 ENGINEERING, BIOMEDICAL Biosurface and Biotribology Pub Date : 2024-02-25 DOI:10.1049/bsb2.12075
Lu Ning, Pengfei Tang, Xiong Lu, Guangyuan Yang, Faxing Jiang, Hongping Zhang
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Abstract

Harmful components in cigarette smoke, such as nicotine, tar, and organic particulate matter, are the primary culprits behind lung diseases. While conventional filter materials based on cellulose, carbon, and molecular sieves exhibit commendable filtration capabilities, their high cost restricts their widespread applications. Based on this, the authors aim to prepare PET-based filter materials with good adsorption properties through a simple surface functionalisation strategy. The adsorption performance of the PET-based non-woven fabric was enhanced by the introduction of sodium alginate (SA). The gas adsorption experiments results reveal that SA-modified PET (SA-PET) exhibits significantly improved filtration efficiency for nicotine, tar, and total particulate matter—increasing by 27.1%, 26.2%, and 21.3%, respectively. Moreover, SA-PET exhibits more odour control ability than traditional activated carbon-based filter materials. These results prove that surface-functionalised SA-PET has better filtration performance for harmful substances in smoke and provides a new strategy for the design of high-performance filtration materials.

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用于过滤烟雾中有害物质的表面活性功能基团增强型 PET 无纺布
香烟烟雾中的有害成分,如尼古丁、焦油和有机微粒物质,是导致肺部疾病的罪魁祸首。虽然基于纤维素、碳和分子筛的传统过滤材料具有值得称道的过滤能力,但其高昂的成本限制了它们的广泛应用。基于此,作者希望通过简单的表面功能化策略制备出具有良好吸附性能的 PET 过滤材料。通过引入海藻酸钠(SA),增强了 PET 基无纺布的吸附性能。气体吸附实验结果表明,SA 改性 PET(SA-PET)对尼古丁、焦油和总颗粒物的过滤效率显著提高,分别增加了 27.1%、26.2% 和 21.3%。此外,与传统的活性炭过滤材料相比,SA-PET 还具有更强的气味控制能力。这些结果证明,表面功能化的 SA-PET 对烟雾中的有害物质具有更好的过滤性能,为高性能过滤材料的设计提供了一种新策略。
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来源期刊
Biosurface and Biotribology
Biosurface and Biotribology Engineering-Mechanical Engineering
CiteScore
1.70
自引率
0.00%
发文量
27
审稿时长
11 weeks
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