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The study of hydrophobicity and oleophilicity of 3D weft-knitted spacer fabrics integrated with silica aerogels
Journal of Industrial Textiles ( IF 3.2 ) Pub Date : 2021-06-30 , DOI: 10.1177/15280837211029048
Syed Rashedul Islam 1, 2 , Abeer Alassod 1 , Tayyab Naveed 3 , Hewan Dawit 1 , Khalil Ahmed 1 , Jinhua Jiang 1, 2
Affiliation  

The interest in multifunctional textile materials has been increased due to the health and safety measures of living beings, especially in severe conditions. Therefore, this study investigated the hydrophobicity, oil sorption capacity, and bending properties of untreated or uncoated and treated or coated 3D weft-knitted spacer fabric samples (92% polyester/8% spandex), i.e. sample 1, sample 2, and sample 3, having thicknesses of 2 mm (300 gm−2), 3 mm (350 gm−2), and 4 mm (540 gm−2), with silica aerogels (SAs) through the sol-gel method. SEM, FTIR-ATR, and surface roughness test of fabric samples were analyzed to comprehend the influence of SAs. The experimental results revealed the excellent hydrophobicity and oleophilicity of all the treated 3D weft-knitted spacer fabric samples, providing a higher water contact angle (CA) 142 ± 0.84° and an oil sorption capacity 7.51 ± 0.08g/g and 6.88 ± 0.06g/g for vegetable oil and engine oil, especially of sample 2 owing to the most silica particles. The statistical analysis also demonstrated a significant performance (P < 0.05) of treated spacer fabric samples at the 0.05 level. Thus, these fabrics are suitable for an industrial application of hydrophobic and oleophilic properties.



中文翻译:

二氧化硅气凝胶集成3D纬编间隔织物疏水亲油性研究

由于生物的健康和安全措施,特别是在恶劣条件下,人们对多功能纺织材料的兴趣增加了。因此,本研究调查了未处理或未涂层和处理或涂层 3D 纬编间隔织物样品(92% 涤纶/8% 氨纶),即样品 1、样品 2 和样品 3 的疏水性、吸油能力和弯曲性能,具有 2 毫米(300 克-2)、3 毫米(350 克-2)和 4 毫米(540 克-2)的厚度),通过溶胶-凝胶方法使用二氧化硅气凝胶 (SA)。分析了织物样品的 SEM、FTIR-ATR 和表面粗糙度测试,以了解 SA 的影响。实验结果表明,所有处理过的 3D 纬编间隔织物样品均具有优异的疏水性和亲油性,提供更高的水接触角 (CA) 142 ± 0.84° 和吸油量 7.51 ± 0.08g/g 和 6.88 ± 0.06g /g 用于植物油和发动机油,尤其是样品 2,因为二氧化硅颗粒最多。统计分析还证明了处理过的间隔织物样品在 0.05 水平上的显着性能(P < 0.05)。因此,这些织物适用于疏水性和亲油性的工业应用。

更新日期:2021-07-01
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