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Sound absorption and thermal insulation properties of composite thermoplastic polyurethane/polystyrene (TPU/PS) nanofiber web and TPU nanofiber web and PS-extracted TPU/PS microfiber web
Journal of Industrial Textiles ( IF 3.2 ) Pub Date : 2021-09-01 , DOI: 10.1177/15280837211039568
Neslihan Karaca 1 , İlkay Özsev Yüksek 2 , Nuray Uçar 2 , Ayşen Önen 3 , Cafer Kirbaş 4
Affiliation  

In this study, composite thermoplastic polyurethane (TPU)/polystyrene (PS) nanofiber web and TPU nanofiber web and PS-extracted TPU/PS microfiber web have been experimentally investigated with regard to sound absorption and thermal conductivity coefficients to observe a potential use in sound and thermal insulation areas. Moreover, other properties such as surface area, morphology, tensile strength/elongation, air permeability, and thermal degradation have been analyzed. It has been observed that nanofiber web properties such as fiber diameter, extensibility, pore volume, and porosity have been clearly changed by Soxhlet extraction of PS from the composite TPU/PS nanofibers. PS-extracted TPU/PS fibers can be preferred for the low frequency (600–800 Hz) due to higher SAC (0.7). On the other hand, TPU nanofibers were more effective at medium frequencies (around 3000 Hz, SAC 0.6). Both TPU and PS-extracted TPU/PS composite fibers had similar thermal conductivities, whereas TPU/PS composite nanofibers had lowest thermal conductivity (0.05 W/mK) with moderate maximum SAC value (around 1000 Hz, SAC 0.5–0.6).



中文翻译:

复合热塑性聚氨酯/聚苯乙烯(TPU/PS)纳米纤维网和TPU纳米纤维网和PS提取的TPU/PS超细纤维网的吸声隔热性能

在这项研究中,复合热塑性聚氨酯 (TPU)/聚苯乙烯 (PS) 纳米纤维网和 TPU 纳米纤维网和 PS 提取的 TPU/PS 超细纤维网在吸声和导热系数方面进行了实验研究,以观察在声音方面的潜在用途和隔热区域。此外,还分析了其他特性,例如表面积、形态、拉伸强度/伸长率、透气性和热降解。已经观察到,通过从复合 TPU/PS 纳米纤维中提取 PS 的索氏提取物,纳米纤维网的性质,例如纤维直径、延展性、孔体积和孔隙率,已明显改变。由于 SAC (0.7) 较高,PS 提取的 TPU/PS 纤维可首选用于低频 (600–800 Hz)。另一方面,TPU 纳米纤维在中频(约 3000 Hz,SAC 0.6)下更有效。TPU 和 PS 提取的 TPU/PS 复合纤维具有相似的热导率,而 TPU/PS 复合纳米纤维的热导率最低(0.05 W/mK),最大 SAC 值适中(约 1000 Hz,SAC 0.5-0.6)。

更新日期:2021-09-01
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